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Merge tag 'drm-intel-next-2014-09-01' of git://anongit.freedesktop.org/drm-intel into drm-next 

drm-intel-next-2014-08-22:
- basic code for execlist, which is the fancy new cmd submission on gen8. Still
  disabled by default (Ben, Oscar Mateo, Thomas Daniel et al)
- remove the useless usage of console_lock for I915_FBDEV=n (Chris)
- clean up relations between ctx and ppgtt
- clean up ppgtt lifetime handling (Michel Thierry)
- various cursor code improvements from Ville
- execbuffer code cleanups and secure batch fixes (Chris)
- prep work for dev -> dev_priv transition (Chris)
- some of the prep patches for the seqno -> request object transition (Chris)
- various small improvements all over

* tag 'drm-intel-next-2014-09-01' of git://anongit.freedesktop.org/drm-intel: (86 commits)
  drm/i915: fix suspend/resume for GENs w/o runtime PM support
  drm/i915: Update DRIVER_DATE to 20140822
  drm: fix plane rotation when restoring fbdev configuration
  drm/i915/bdw: Disable execlists by default
  drm/i915/bdw: Enable Logical Ring Contexts (hence, Execlists)
  drm/i915/bdw: Document Logical Rings, LR contexts and Execlists
  drm/i915/bdw: Print context state in debugfs
  drm/i915/bdw: Display context backing obj & ringbuffer info in debugfs
  drm/i915/bdw: Display execlists info in debugfs
  drm/i915/bdw: Disable semaphores for Execlists
  drm/i915/bdw: Make sure gpu reset still works with Execlists
  drm/i915/bdw: Don't write PDP in the legacy way when using LRCs
  drm/i915: Track cursor changes as frontbuffer tracking flushes
  drm/i915/bdw: Help out the ctx switch interrupt handler
  drm/i915/bdw: Avoid non-lite-restore preemptions
  drm/i915/bdw: Handle context switch events
  drm/i915/bdw: Two-stage execlist submit process
  drm/i915/bdw: Write the tail pointer, LRC style
  drm/i915/bdw: Implement context switching (somewhat)
  drm/i915/bdw: Emission of requests with logical rings
  ...

Conflicts:
	drivers/gpu/drm/i915/i915_drv.c
This commit is contained in:
Dave Airlie 2014-09-03 08:30:48 +10:00
parent 04cd214516 604effb782
commit a18b29f0c6
30 changed files with 3104 additions and 843 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
Documentation/DocBook/drm.tmpl
View File

@ -3919,6 +3919,11 @@ int num_ioctls;</synopsis>
!Pdrivers/gpu/drm/i915/i915_cmd_parser.c batch buffer command parser
!Idrivers/gpu/drm/i915/i915_cmd_parser.c
</sect2>
<sect2>
<title>Logical Rings, Logical Ring Contexts and Execlists</title>
!Pdrivers/gpu/drm/i915/intel_lrc.c Logical Rings, Logical Ring Contexts and Execlists
!Idrivers/gpu/drm/i915/intel_lrc.c
</sect2>
</sect1>
</chapter>
</part>

21
drivers/gpu/drm/drm_crtc.c
View File

@ -4175,12 +4175,25 @@ static int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj,
return ret;
}
static int drm_mode_plane_set_obj_prop(struct drm_mode_object *obj,
/**
* drm_mode_plane_set_obj_prop - set the value of a property
* @plane: drm plane object to set property value for
* @property: property to set
* @value: value the property should be set to
*
* This functions sets a given property on a given plane object. This function
* calls the driver's ->set_property callback and changes the software state of
* the property if the callback succeeds.
*
* Returns:
* Zero on success, error code on failure.
*/
int drm_mode_plane_set_obj_prop(struct drm_plane *plane,
struct drm_property *property,
uint64_t value)
{
int ret = -EINVAL;
struct drm_plane *plane = obj_to_plane(obj);
struct drm_mode_object *obj = &plane->base;
if (plane->funcs->set_property)
ret = plane->funcs->set_property(plane, property, value);
@ -4189,6 +4202,7 @@ static int drm_mode_plane_set_obj_prop(struct drm_mode_object *obj,
return ret;
}
EXPORT_SYMBOL(drm_mode_plane_set_obj_prop);
/**
* drm_mode_getproperty_ioctl - get the current value of a object's property
@ -4327,7 +4341,8 @@ int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data,
ret = drm_mode_crtc_set_obj_prop(arg_obj, property, arg->value);
break;
case DRM_MODE_OBJECT_PLANE:
ret = drm_mode_plane_set_obj_prop(arg_obj, property, arg->value);
ret = drm_mode_plane_set_obj_prop(obj_to_plane(arg_obj),
property, arg->value);
break;
}

2
drivers/gpu/drm/drm_fb_helper.c
View File

@ -296,7 +296,7 @@ static bool restore_fbdev_mode(struct drm_fb_helper *fb_helper)
drm_plane_force_disable(plane);
if (dev->mode_config.rotation_property) {
drm_object_property_set_value(&plane->base,
drm_mode_plane_set_obj_prop(plane,
dev->mode_config.rotation_property,
BIT(DRM_ROTATE_0));
}

1
drivers/gpu/drm/i915/Makefile
View File

@ -31,6 +31,7 @@ i915-y += i915_cmd_parser.o \
i915_gpu_error.o \
i915_irq.o \
i915_trace_points.o \
intel_lrc.o \
intel_ringbuffer.o \
intel_uncore.o

4
drivers/gpu/drm/i915/i915_cmd_parser.c
View File

@ -842,8 +842,6 @@ finish:
*/
bool i915_needs_cmd_parser(struct intel_engine_cs *ring)
{
struct drm_i915_private *dev_priv = ring->dev->dev_private;
if (!ring->needs_cmd_parser)
return false;
@ -852,7 +850,7 @@ bool i915_needs_cmd_parser(struct intel_engine_cs *ring)
* disabled. That will cause all of the parser's PPGTT checks to
* fail. For now, disable parsing when PPGTT is off.
*/
if (!dev_priv->mm.aliasing_ppgtt)
if (USES_PPGTT(ring->dev))
return false;
return (i915.enable_cmd_parser == 1);

187
drivers/gpu/drm/i915/i915_debugfs.c
View File

@ -333,7 +333,7 @@ static int per_file_stats(int id, void *ptr, void *data)
}
ppgtt = container_of(vma->vm, struct i915_hw_ppgtt, base);
if (ppgtt->ctx && ppgtt->ctx->file_priv != stats->file_priv)
if (ppgtt->file_priv != stats->file_priv)
continue;
if (obj->ring) /* XXX per-vma statistic */
@ -703,6 +703,12 @@ static int i915_interrupt_info(struct seq_file *m, void *data)
}
for_each_pipe(pipe) {
if (!intel_display_power_enabled(dev_priv,
POWER_DOMAIN_PIPE(pipe))) {
seq_printf(m, "Pipe %c power disabled\n",
pipe_name(pipe));
continue;
}
seq_printf(m, "Pipe %c IMR:\t%08x\n",
pipe_name(pipe),
I915_READ(GEN8_DE_PIPE_IMR(pipe)));
@ -1671,6 +1677,14 @@ static int i915_gem_framebuffer_info(struct seq_file *m, void *data)
return 0;
}
static void describe_ctx_ringbuf(struct seq_file *m,
struct intel_ringbuffer *ringbuf)
{
seq_printf(m, " (ringbuffer, space: %d, head: %u, tail: %u, last head: %d)",
ringbuf->space, ringbuf->head, ringbuf->tail,
ringbuf->last_retired_head);
}
static int i915_context_status(struct seq_file *m, void *unused)
{
struct drm_info_node *node = m->private;
@ -1697,16 +1711,168 @@ static int i915_context_status(struct seq_file *m, void *unused)
}
list_for_each_entry(ctx, &dev_priv->context_list, link) {
if (ctx->legacy_hw_ctx.rcs_state == NULL)
if (!i915.enable_execlists &&
ctx->legacy_hw_ctx.rcs_state == NULL)
continue;
seq_puts(m, "HW context ");
describe_ctx(m, ctx);
for_each_ring(ring, dev_priv, i)
for_each_ring(ring, dev_priv, i) {
if (ring->default_context == ctx)
seq_printf(m, "(default context %s) ", ring->name);
seq_printf(m, "(default context %s) ",
ring->name);
}
if (i915.enable_execlists) {
seq_putc(m, '\n');
for_each_ring(ring, dev_priv, i) {
struct drm_i915_gem_object *ctx_obj =
ctx->engine[i].state;
struct intel_ringbuffer *ringbuf =
ctx->engine[i].ringbuf;
seq_printf(m, "%s: ", ring->name);
if (ctx_obj)
describe_obj(m, ctx_obj);
if (ringbuf)
describe_ctx_ringbuf(m, ringbuf);
seq_putc(m, '\n');
}
} else {
describe_obj(m, ctx->legacy_hw_ctx.rcs_state);
}
seq_putc(m, '\n');
}
mutex_unlock(&dev->struct_mutex);
return 0;
}
static int i915_dump_lrc(struct seq_file *m, void *unused)
{
struct drm_info_node *node = (struct drm_info_node *) m->private;
struct drm_device *dev = node->minor->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_engine_cs *ring;
struct intel_context *ctx;
int ret, i;
if (!i915.enable_execlists) {
seq_printf(m, "Logical Ring Contexts are disabled\n");
return 0;
}
ret = mutex_lock_interruptible(&dev->struct_mutex);
if (ret)
return ret;
list_for_each_entry(ctx, &dev_priv->context_list, link) {
for_each_ring(ring, dev_priv, i) {
struct drm_i915_gem_object *ctx_obj = ctx->engine[i].state;
if (ring->default_context == ctx)
continue;
if (ctx_obj) {
struct page *page = i915_gem_object_get_page(ctx_obj, 1);
uint32_t *reg_state = kmap_atomic(page);
int j;
seq_printf(m, "CONTEXT: %s %u\n", ring->name,
intel_execlists_ctx_id(ctx_obj));
for (j = 0; j < 0x600 / sizeof(u32) / 4; j += 4) {
seq_printf(m, "\t[0x%08lx] 0x%08x 0x%08x 0x%08x 0x%08x\n",
i915_gem_obj_ggtt_offset(ctx_obj) + 4096 + (j * 4),
reg_state[j], reg_state[j + 1],
reg_state[j + 2], reg_state[j + 3]);
}
kunmap_atomic(reg_state);
seq_putc(m, '\n');
}
}
}
mutex_unlock(&dev->struct_mutex);
return 0;
}
static int i915_execlists(struct seq_file *m, void *data)
{
struct drm_info_node *node = (struct drm_info_node *)m->private;
struct drm_device *dev = node->minor->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_engine_cs *ring;
u32 status_pointer;
u8 read_pointer;
u8 write_pointer;
u32 status;
u32 ctx_id;
struct list_head *cursor;
int ring_id, i;
int ret;
if (!i915.enable_execlists) {
seq_puts(m, "Logical Ring Contexts are disabled\n");
return 0;
}
ret = mutex_lock_interruptible(&dev->struct_mutex);
if (ret)
return ret;
for_each_ring(ring, dev_priv, ring_id) {
struct intel_ctx_submit_request *head_req = NULL;
int count = 0;
unsigned long flags;
seq_printf(m, "%s\n", ring->name);
status = I915_READ(RING_EXECLIST_STATUS(ring));
ctx_id = I915_READ(RING_EXECLIST_STATUS(ring) + 4);
seq_printf(m, "\tExeclist status: 0x%08X, context: %u\n",
status, ctx_id);
status_pointer = I915_READ(RING_CONTEXT_STATUS_PTR(ring));
seq_printf(m, "\tStatus pointer: 0x%08X\n", status_pointer);
read_pointer = ring->next_context_status_buffer;
write_pointer = status_pointer & 0x07;
if (read_pointer > write_pointer)
write_pointer += 6;
seq_printf(m, "\tRead pointer: 0x%08X, write pointer 0x%08X\n",
read_pointer, write_pointer);
for (i = 0; i < 6; i++) {
status = I915_READ(RING_CONTEXT_STATUS_BUF(ring) + 8*i);
ctx_id = I915_READ(RING_CONTEXT_STATUS_BUF(ring) + 8*i + 4);
seq_printf(m, "\tStatus buffer %d: 0x%08X, context: %u\n",
i, status, ctx_id);
}
spin_lock_irqsave(&ring->execlist_lock, flags);
list_for_each(cursor, &ring->execlist_queue)
count++;
head_req = list_first_entry_or_null(&ring->execlist_queue,
struct intel_ctx_submit_request, execlist_link);
spin_unlock_irqrestore(&ring->execlist_lock, flags);
seq_printf(m, "\t%d requests in queue\n", count);
if (head_req) {
struct drm_i915_gem_object *ctx_obj;
ctx_obj = head_req->ctx->engine[ring_id].state;
seq_printf(m, "\tHead request id: %u\n",
intel_execlists_ctx_id(ctx_obj));
seq_printf(m, "\tHead request tail: %u\n",
head_req->tail);
}
seq_putc(m, '\n');
}
@ -1815,7 +1981,13 @@ static int per_file_ctx(int id, void *ptr, void *data)
{
struct intel_context *ctx = ptr;
struct seq_file *m = data;
struct i915_hw_ppgtt *ppgtt = ctx_to_ppgtt(ctx);
struct i915_hw_ppgtt *ppgtt = ctx->ppgtt;
if (!ppgtt) {
seq_printf(m, " no ppgtt for context %d\n",
ctx->user_handle);
return 0;
}
if (i915_gem_context_is_default(ctx))
seq_puts(m, " default context:\n");
@ -1875,8 +2047,7 @@ static void gen6_ppgtt_info(struct seq_file *m, struct drm_device *dev)
seq_printf(m, "pd gtt offset: 0x%08x\n", ppgtt->pd_offset);
ppgtt->debug_dump(ppgtt, m);
} else
return;
}
list_for_each_entry_reverse(file, &dev->filelist, lhead) {
struct drm_i915_file_private *file_priv = file->driver_priv;
@ -3963,6 +4134,8 @@ static const struct drm_info_list i915_debugfs_list[] = {
{"i915_opregion", i915_opregion, 0},
{"i915_gem_framebuffer", i915_gem_framebuffer_info, 0},
{"i915_context_status", i915_context_status, 0},
{"i915_dump_lrc", i915_dump_lrc, 0},
{"i915_execlists", i915_execlists, 0},
{"i915_gen6_forcewake_count", i915_gen6_forcewake_count_info, 0},
{"i915_swizzle_info", i915_swizzle_info, 0},
{"i915_ppgtt_info", i915_ppgtt_info, 0},

18
drivers/gpu/drm/i915/i915_dma.c
View File

@ -999,7 +999,7 @@ static int i915_getparam(struct drm_device *dev, void *data,
value = HAS_WT(dev);
break;
case I915_PARAM_HAS_ALIASING_PPGTT:
value = dev_priv->mm.aliasing_ppgtt || USES_FULL_PPGTT(dev);
value = USES_PPGTT(dev);
break;
case I915_PARAM_HAS_WAIT_TIMEOUT:
value = 1;
@ -1350,8 +1350,6 @@ static int i915_load_modeset_init(struct drm_device *dev)
if (ret)
goto cleanup_irq;
INIT_WORK(&dev_priv->console_resume_work, intel_console_resume);
intel_modeset_gem_init(dev);
/* Always safe in the mode setting case. */
@ -1388,7 +1386,6 @@ cleanup_gem:
i915_gem_cleanup_ringbuffer(dev);
i915_gem_context_fini(dev);
mutex_unlock(&dev->struct_mutex);
WARN_ON(dev_priv->mm.aliasing_ppgtt);
cleanup_irq:
drm_irq_uninstall(dev);
cleanup_gem_stolen:
@ -1603,9 +1600,10 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
dev->dev_private = dev_priv;
dev_priv->dev = dev;
/* copy initial configuration to dev_priv->info */
/* Setup the write-once "constant" device info */
device_info = (struct intel_device_info *)&dev_priv->info;
*device_info = *info;
memcpy(device_info, info, sizeof(dev_priv->info));
device_info->device_id = dev->pdev->device;
spin_lock_init(&dev_priv->irq_lock);
spin_lock_init(&dev_priv->gpu_error.lock);
@ -1817,7 +1815,7 @@ out_mtrrfree:
arch_phys_wc_del(dev_priv->gtt.mtrr);
io_mapping_free(dev_priv->gtt.mappable);
out_gtt:
dev_priv->gtt.base.cleanup(&dev_priv->gtt.base);
i915_global_gtt_cleanup(dev);
out_regs:
intel_uncore_fini(dev);
pci_iounmap(dev->pdev, dev_priv->regs);
@ -1864,7 +1862,6 @@ int i915_driver_unload(struct drm_device *dev)
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
intel_fbdev_fini(dev);
intel_modeset_cleanup(dev);
cancel_work_sync(&dev_priv->console_resume_work);
/*
* free the memory space allocated for the child device
@ -1897,7 +1894,6 @@ int i915_driver_unload(struct drm_device *dev)
mutex_lock(&dev->struct_mutex);
i915_gem_cleanup_ringbuffer(dev);
i915_gem_context_fini(dev);
WARN_ON(dev_priv->mm.aliasing_ppgtt);
mutex_unlock(&dev->struct_mutex);
i915_gem_cleanup_stolen(dev);
@ -1905,8 +1901,6 @@ int i915_driver_unload(struct drm_device *dev)
i915_free_hws(dev);
}
WARN_ON(!list_empty(&dev_priv->vm_list));
drm_vblank_cleanup(dev);
intel_teardown_gmbus(dev);
@ -1916,7 +1910,7 @@ int i915_driver_unload(struct drm_device *dev)
destroy_workqueue(dev_priv->wq);
pm_qos_remove_request(&dev_priv->pm_qos);
dev_priv->gtt.base.cleanup(&dev_priv->gtt.base);
i915_global_gtt_cleanup(dev);
intel_uncore_fini(dev);
if (dev_priv->regs != NULL)

143
drivers/gpu/drm/i915/i915_drv.c
View File

@ -481,6 +481,10 @@ bool i915_semaphore_is_enabled(struct drm_device *dev)
if (i915.semaphores >= 0)
return i915.semaphores;
/* TODO: make semaphores and Execlists play nicely together */
if (i915.enable_execlists)
return false;
/* Until we get further testing... */
if (IS_GEN8(dev))
return false;
@ -524,6 +528,10 @@ static void intel_suspend_encoders(struct drm_i915_private *dev_priv)
drm_modeset_unlock_all(dev);
}
static int intel_suspend_complete(struct drm_i915_private *dev_priv);
static int intel_resume_prepare(struct drm_i915_private *dev_priv,
bool rpm_resume);
static int i915_drm_freeze(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
@ -591,9 +599,7 @@ static int i915_drm_freeze(struct drm_device *dev)
intel_uncore_forcewake_reset(dev, false);
intel_opregion_fini(dev);
console_lock();
intel_fbdev_set_suspend(dev, FBINFO_STATE_SUSPENDED);
console_unlock();
intel_fbdev_set_suspend(dev, FBINFO_STATE_SUSPENDED, true);
dev_priv->suspend_count++;
@ -632,30 +638,20 @@ int i915_suspend(struct drm_device *dev, pm_message_t state)
return 0;
}
void intel_console_resume(struct work_struct *work)
{
struct drm_i915_private *dev_priv =
container_of(work, struct drm_i915_private,
console_resume_work);
struct drm_device *dev = dev_priv->dev;
console_lock();
intel_fbdev_set_suspend(dev, FBINFO_STATE_RUNNING);
console_unlock();
}
static int i915_drm_thaw_early(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
int ret;
if (IS_HASWELL(dev) || IS_BROADWELL(dev))
hsw_disable_pc8(dev_priv);
ret = intel_resume_prepare(dev_priv, false);
if (ret)
DRM_ERROR("Resume prepare failed: %d,Continuing resume\n", ret);
intel_uncore_early_sanitize(dev, true);
intel_uncore_sanitize(dev);
intel_power_domains_init_hw(dev_priv);
return 0;
return ret;
}
static int __i915_drm_thaw(struct drm_device *dev, bool restore_gtt_mappings)
@ -714,17 +710,7 @@ static int __i915_drm_thaw(struct drm_device *dev, bool restore_gtt_mappings)
intel_opregion_init(dev);
/*
* The console lock can be pretty contented on resume due
* to all the printk activity. Try to keep it out of the hot
* path of resume if possible.
*/
if (console_trylock()) {
intel_fbdev_set_suspend(dev, FBINFO_STATE_RUNNING);
console_unlock();
} else {
schedule_work(&dev_priv->console_resume_work);
}
intel_fbdev_set_suspend(dev, FBINFO_STATE_RUNNING, false);
mutex_lock(&dev_priv->modeset_restore_lock);
dev_priv->modeset_restore = MODESET_DONE;
@ -941,6 +927,7 @@ static int i915_pm_suspend_late(struct device *dev)
struct pci_dev *pdev = to_pci_dev(dev);
struct drm_device *drm_dev = pci_get_drvdata(pdev);
struct drm_i915_private *dev_priv = drm_dev->dev_private;
int ret;
/*
* We have a suspedn ordering issue with the snd-hda driver also
@ -954,13 +941,16 @@ static int i915_pm_suspend_late(struct device *dev)
if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF)
return 0;
if (IS_HASWELL(drm_dev) || IS_BROADWELL(drm_dev))
hsw_enable_pc8(dev_priv);
ret = intel_suspend_complete(dev_priv);
if (ret)
DRM_ERROR("Suspend complete failed: %d\n", ret);
else {
pci_disable_device(pdev);
pci_set_power_state(pdev, PCI_D3hot);
}
return 0;
return ret;
}
static int i915_pm_resume_early(struct device *dev)
@ -1016,23 +1006,26 @@ static int i915_pm_poweroff(struct device *dev)
return i915_drm_freeze(drm_dev);
}
static int hsw_runtime_suspend(struct drm_i915_private *dev_priv)
static int hsw_suspend_complete(struct drm_i915_private *dev_priv)
{
hsw_enable_pc8(dev_priv);
return 0;
}
static int snb_runtime_resume(struct drm_i915_private *dev_priv)
static int snb_resume_prepare(struct drm_i915_private *dev_priv,
bool rpm_resume)
{
struct drm_device *dev = dev_priv->dev;
if (rpm_resume)
intel_init_pch_refclk(dev);
return 0;
}
static int hsw_runtime_resume(struct drm_i915_private *dev_priv)
static int hsw_resume_prepare(struct drm_i915_private *dev_priv,
bool rpm_resume)
{
hsw_disable_pc8(dev_priv);
@ -1328,7 +1321,7 @@ static void vlv_check_no_gt_access(struct drm_i915_private *dev_priv)
I915_WRITE(VLV_GTLC_PW_STATUS, VLV_GTLC_ALLOWWAKEERR);
}
static int vlv_runtime_suspend(struct drm_i915_private *dev_priv)
static int vlv_suspend_complete(struct drm_i915_private *dev_priv)
{
u32 mask;
int err;
@ -1368,7 +1361,8 @@ err1:
return err;
}
static int vlv_runtime_resume(struct drm_i915_private *dev_priv)
static int vlv_resume_prepare(struct drm_i915_private *dev_priv,
bool rpm_resume)
{
struct drm_device *dev = dev_priv->dev;
int err;
@ -1393,8 +1387,10 @@ static int vlv_runtime_resume(struct drm_i915_private *dev_priv)
vlv_check_no_gt_access(dev_priv);
if (rpm_resume) {
intel_init_clock_gating(dev);
i915_gem_restore_fences(dev);
}
return ret;
}
@ -1409,7 +1405,9 @@ static int intel_runtime_suspend(struct device *device)
if (WARN_ON_ONCE(!(dev_priv->rps.enabled && intel_enable_rc6(dev))))
return -ENODEV;
WARN_ON(!HAS_RUNTIME_PM(dev));
if (WARN_ON_ONCE(!HAS_RUNTIME_PM(dev)))
return -ENODEV;
assert_force_wake_inactive(dev_priv);
DRM_DEBUG_KMS("Suspending device\n");
@ -1446,17 +1444,7 @@ static int intel_runtime_suspend(struct device *device)
cancel_work_sync(&dev_priv->rps.work);
intel_runtime_pm_disable_interrupts(dev);
if (IS_GEN6(dev)) {
ret = 0;
} else if (IS_HASWELL(dev) || IS_BROADWELL(dev)) {
ret = hsw_runtime_suspend(dev_priv);
} else if (IS_VALLEYVIEW(dev)) {
ret = vlv_runtime_suspend(dev_priv);
} else {
ret = -ENODEV;
WARN_ON(1);
}
ret = intel_suspend_complete(dev_priv);
if (ret) {
DRM_ERROR("Runtime suspend failed, disabling it (%d)\n", ret);
intel_runtime_pm_restore_interrupts(dev);
@ -1487,24 +1475,15 @@ static int intel_runtime_resume(struct device *device)
struct drm_i915_private *dev_priv = dev->dev_private;
int ret;
WARN_ON(!HAS_RUNTIME_PM(dev));
if (WARN_ON_ONCE(!HAS_RUNTIME_PM(dev)))
return -ENODEV;
DRM_DEBUG_KMS("Resuming device\n");
intel_opregion_notify_adapter(dev, PCI_D0);
dev_priv->pm.suspended = false;
if (IS_GEN6(dev)) {
ret = snb_runtime_resume(dev_priv);
} else if (IS_HASWELL(dev) || IS_BROADWELL(dev)) {
ret = hsw_runtime_resume(dev_priv);
} else if (IS_VALLEYVIEW(dev)) {
ret = vlv_runtime_resume(dev_priv);
} else {
WARN_ON(1);
ret = -ENODEV;
}
ret = intel_resume_prepare(dev_priv, true);
/*
* No point of rolling back things in case of an error, as the best
* we can do is to hope that things will still work (and disable RPM).
@ -1523,6 +1502,48 @@ static int intel_runtime_resume(struct device *device)
return ret;
}
/*
* This function implements common functionality of runtime and system
* suspend sequence.
*/
static int intel_suspend_complete(struct drm_i915_private *dev_priv)
{
struct drm_device *dev = dev_priv->dev;
int ret;
if (IS_HASWELL(dev) || IS_BROADWELL(dev))
ret = hsw_suspend_complete(dev_priv);
else if (IS_VALLEYVIEW(dev))
ret = vlv_suspend_complete(dev_priv);
else
ret = 0;
return ret;
}
/*
* This function implements common functionality of runtime and system
* resume sequence. Variable rpm_resume used for implementing different
* code paths.
*/
static int intel_resume_prepare(struct drm_i915_private *dev_priv,
bool rpm_resume)
{
struct drm_device *dev = dev_priv->dev;
int ret;
if (IS_GEN6(dev))
ret = snb_resume_prepare(dev_priv, rpm_resume);
else if (IS_HASWELL(dev) || IS_BROADWELL(dev))
ret = hsw_resume_prepare(dev_priv, rpm_resume);
else if (IS_VALLEYVIEW(dev))
ret = vlv_resume_prepare(dev_priv, rpm_resume);
else
ret = 0;
return ret;
}
static const struct dev_pm_ops i915_pm_ops = {
.suspend = i915_pm_suspend,
.suspend_late = i915_pm_suspend_late,

145
drivers/gpu/drm/i915/i915_drv.h
View File

@ -35,6 +35,7 @@
#include "i915_reg.h"
#include "intel_bios.h"
#include "intel_ringbuffer.h"
#include "intel_lrc.h"
#include "i915_gem_gtt.h"
#include <linux/io-mapping.h>
#include <linux/i2c.h>
@ -53,7 +54,7 @@
#define DRIVER_NAME "i915"
#define DRIVER_DESC "Intel Graphics"
#define DRIVER_DATE "20140808"
#define DRIVER_DATE "20140822"
enum pipe {
INVALID_PIPE = -1,
@ -395,6 +396,7 @@ struct drm_i915_error_state {
pid_t pid;
char comm[TASK_COMM_LEN];
} ring[I915_NUM_RINGS];
struct drm_i915_error_buffer {
u32 size;
u32 name;
@ -413,6 +415,7 @@ struct drm_i915_error_state {
} **active_bo, **pinned_bo;
u32 *active_bo_count, *pinned_bo_count;
u32 vm_count;
};
struct intel_connector;
@ -558,6 +561,7 @@ struct intel_uncore {
struct intel_device_info {
u32 display_mmio_offset;
u16 device_id;
u8 num_pipes:3;
u8 num_sprites[I915_MAX_PIPES];
u8 gen;
@ -622,13 +626,20 @@ struct intel_context {
uint8_t remap_slice;
struct drm_i915_file_private *file_priv;
struct i915_ctx_hang_stats hang_stats;
struct i915_address_space *vm;
struct i915_hw_ppgtt *ppgtt;
/* Legacy ring buffer submission */
struct {
struct drm_i915_gem_object *rcs_state;
bool initialized;
} legacy_hw_ctx;
/* Execlists */
struct {
struct drm_i915_gem_object *state;
struct intel_ringbuffer *ringbuf;
} engine[I915_NUM_RINGS];
struct list_head link;
};
@ -1577,14 +1588,9 @@ struct drm_i915_private {
#ifdef CONFIG_DRM_I915_FBDEV
/* list of fbdev register on this device */
struct intel_fbdev *fbdev;
struct work_struct fbdev_suspend_work;
#endif
/*
* The console may be contended at resume, but we don't
* want it to block on it.
*/
struct work_struct console_resume_work;
struct drm_property *broadcast_rgb_property;
struct drm_property *force_audio_property;
@ -1636,6 +1642,20 @@ struct drm_i915_private {
/* Old ums support infrastructure, same warning applies. */
struct i915_ums_state ums;
/* Abstract the submission mechanism (legacy ringbuffer or execlists) away */
struct {
int (*do_execbuf)(struct drm_device *dev, struct drm_file *file,
struct intel_engine_cs *ring,
struct intel_context *ctx,
struct drm_i915_gem_execbuffer2 *args,
struct list_head *vmas,
struct drm_i915_gem_object *batch_obj,
u64 exec_start, u32 flags);
int (*init_rings)(struct drm_device *dev);
void (*cleanup_ring)(struct intel_engine_cs *ring);
void (*stop_ring)(struct intel_engine_cs *ring);
} gt;
/*
* NOTE: This is the dri1/ums dungeon, don't add stuff here. Your patch
* will be rejected. Instead look for a better place.
@ -1777,13 +1797,6 @@ struct drm_i915_gem_object {
* Only honoured if hardware has relevant pte bit
*/
unsigned long gt_ro:1;
/*
* Is the GPU currently using a fence to access this buffer,
*/
unsigned int pending_fenced_gpu_access:1;
unsigned int fenced_gpu_access:1;
unsigned int cache_level:3;
unsigned int has_aliasing_ppgtt_mapping:1;
@ -1987,51 +2000,63 @@ struct drm_i915_cmd_table {
int count;
};
#define INTEL_INFO(dev) (&to_i915(dev)->info)
/* Note that the (struct drm_i915_private *) cast is just to shut up gcc. */
#define __I915__(p) ({ \
struct drm_i915_private *__p; \
if (__builtin_types_compatible_p(typeof(*p), struct drm_i915_private)) \
__p = (struct drm_i915_private *)p; \
else if (__builtin_types_compatible_p(typeof(*p), struct drm_device)) \
__p = to_i915((struct drm_device *)p); \
else \
BUILD_BUG(); \
__p; \
})
#define INTEL_INFO(p) (&__I915__(p)->info)
#define INTEL_DEVID(p) (INTEL_INFO(p)->device_id)
#define IS_I830(dev) ((dev)->pdev->device == 0x3577)
#define IS_845G(dev) ((dev)->pdev->device == 0x2562)
#define IS_I830(dev) (INTEL_DEVID(dev) == 0x3577)
#define IS_845G(dev) (INTEL_DEVID(dev) == 0x2562)
#define IS_I85X(dev) (INTEL_INFO(dev)->is_i85x)
#define IS_I865G(dev) ((dev)->pdev->device == 0x2572)
#define IS_I865G(dev) (INTEL_DEVID(dev) == 0x2572)
#define IS_I915G(dev) (INTEL_INFO(dev)->is_i915g)
#define IS_I915GM(dev) ((dev)->pdev->device == 0x2592)
#define IS_I945G(dev) ((dev)->pdev->device == 0x2772)
#define IS_I915GM(dev) (INTEL_DEVID(dev) == 0x2592)
#define IS_I945G(dev) (INTEL_DEVID(dev) == 0x2772)
#define IS_I945GM(dev) (INTEL_INFO(dev)->is_i945gm)
#define IS_BROADWATER(dev) (INTEL_INFO(dev)->is_broadwater)
#define IS_CRESTLINE(dev) (INTEL_INFO(dev)->is_crestline)
#define IS_GM45(dev) ((dev)->pdev->device == 0x2A42)
#define IS_GM45(dev) (INTEL_DEVID(dev) == 0x2A42)
#define IS_G4X(dev) (INTEL_INFO(dev)->is_g4x)
#define IS_PINEVIEW_G(dev) ((dev)->pdev->device == 0xa001)
#define IS_PINEVIEW_M(dev) ((dev)->pdev->device == 0xa011)
#define IS_PINEVIEW_G(dev) (INTEL_DEVID(dev) == 0xa001)
#define IS_PINEVIEW_M(dev) (INTEL_DEVID(dev) == 0xa011)
#define IS_PINEVIEW(dev) (INTEL_INFO(dev)->is_pineview)
#define IS_G33(dev) (INTEL_INFO(dev)->is_g33)
#define IS_IRONLAKE_M(dev) ((dev)->pdev->device == 0x0046)
#define IS_IRONLAKE_M(dev) (INTEL_DEVID(dev) == 0x0046)
#define IS_IVYBRIDGE(dev) (INTEL_INFO(dev)->is_ivybridge)
#define IS_IVB_GT1(dev) ((dev)->pdev->device == 0x0156 || \
(dev)->pdev->device == 0x0152 || \
(dev)->pdev->device == 0x015a)
#define IS_SNB_GT1(dev) ((dev)->pdev->device == 0x0102 || \
(dev)->pdev->device == 0x0106 || \
(dev)->pdev->device == 0x010A)
#define IS_IVB_GT1(dev) (INTEL_DEVID(dev) == 0x0156 || \
INTEL_DEVID(dev) == 0x0152 || \
INTEL_DEVID(dev) == 0x015a)
#define IS_SNB_GT1(dev) (INTEL_DEVID(dev) == 0x0102 || \
INTEL_DEVID(dev) == 0x0106 || \
INTEL_DEVID(dev) == 0x010A)
#define IS_VALLEYVIEW(dev) (INTEL_INFO(dev)->is_valleyview)
#define IS_CHERRYVIEW(dev) (INTEL_INFO(dev)->is_valleyview && IS_GEN8(dev))
#define IS_HASWELL(dev) (INTEL_INFO(dev)->is_haswell)
#define IS_BROADWELL(dev) (!INTEL_INFO(dev)->is_valleyview && IS_GEN8(dev))
#define IS_MOBILE(dev) (INTEL_INFO(dev)->is_mobile)
#define IS_HSW_EARLY_SDV(dev) (IS_HASWELL(dev) && \
((dev)->pdev->device & 0xFF00) == 0x0C00)
(INTEL_DEVID(dev) & 0xFF00) == 0x0C00)
#define IS_BDW_ULT(dev) (IS_BROADWELL(dev) && \
(((dev)->pdev->device & 0xf) == 0x2 || \
((dev)->pdev->device & 0xf) == 0x6 || \
((dev)->pdev->device & 0xf) == 0xe))
((INTEL_DEVID(dev) & 0xf) == 0x2 || \
(INTEL_DEVID(dev) & 0xf) == 0x6 || \
(INTEL_DEVID(dev) & 0xf) == 0xe))
#define IS_HSW_ULT(dev) (IS_HASWELL(dev) && \
((dev)->pdev->device & 0xFF00) == 0x0A00)
(INTEL_DEVID(dev) & 0xFF00) == 0x0A00)
#define IS_ULT(dev) (IS_HSW_ULT(dev) || IS_BDW_ULT(dev))
#define IS_HSW_GT3(dev) (IS_HASWELL(dev) && \
((dev)->pdev->device & 0x00F0) == 0x0020)
(INTEL_DEVID(dev) & 0x00F0) == 0x0020)
/* ULX machines are also considered ULT. */
#define IS_HSW_ULX(dev) ((dev)->pdev->device == 0x0A0E || \
(dev)->pdev->device == 0x0A1E)
#define IS_HSW_ULX(dev) (INTEL_DEVID(dev) == 0x0A0E || \
INTEL_DEVID(dev) == 0x0A1E)
#define IS_PRELIMINARY_HW(intel_info) ((intel_info)->is_preliminary)
/*
@ -2063,6 +2088,7 @@ struct drm_i915_cmd_table {
#define I915_NEED_GFX_HWS(dev) (INTEL_INFO(dev)->need_gfx_hws)
#define HAS_HW_CONTEXTS(dev) (INTEL_INFO(dev)->gen >= 6)
#define HAS_LOGICAL_RING_CONTEXTS(dev) (INTEL_INFO(dev)->gen >= 8)
#define HAS_ALIASING_PPGTT(dev) (INTEL_INFO(dev)->gen >= 6)
#define HAS_PPGTT(dev) (INTEL_INFO(dev)->gen >= 7 && !IS_GEN8(dev))
#define USES_PPGTT(dev) (i915.enable_ppgtt)
@ -2150,6 +2176,7 @@ struct i915_params {
int enable_rc6;
int enable_fbc;
int enable_ppgtt;
int enable_execlists;
int enable_psr;
unsigned int preliminary_hw_support;
int disable_power_well;
@ -2196,8 +2223,6 @@ extern void i915_update_gfx_val(struct drm_i915_private *dev_priv);
int vlv_force_gfx_clock(struct drm_i915_private *dev_priv, bool on);
void intel_hpd_cancel_work(struct drm_i915_private *dev_priv);
extern void intel_console_resume(struct work_struct *work);
/* i915_irq.c */
void i915_queue_hangcheck(struct drm_device *dev);
__printf(3, 4)
@ -2245,6 +2270,20 @@ int i915_gem_set_domain_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int i915_gem_sw_finish_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
void i915_gem_execbuffer_move_to_active(struct list_head *vmas,
struct intel_engine_cs *ring);
void i915_gem_execbuffer_retire_commands(struct drm_device *dev,
struct drm_file *file,
struct intel_engine_cs *ring,
struct drm_i915_gem_object *obj);
int i915_gem_ringbuffer_submission(struct drm_device *dev,
struct drm_file *file,
struct intel_engine_cs *ring,
struct intel_context *ctx,
struct drm_i915_gem_execbuffer2 *args,
struct list_head *vmas,
struct drm_i915_gem_object *batch_obj,
u64 exec_start, u32 flags);
int i915_gem_execbuffer(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int i915_gem_execbuffer2(struct drm_device *dev, void *data,
@ -2397,6 +2436,7 @@ void i915_gem_reset(struct drm_device *dev);
bool i915_gem_clflush_object(struct drm_i915_gem_object *obj, bool force);
int __must_check i915_gem_object_finish_gpu(struct drm_i915_gem_object *obj);
int __must_check i915_gem_init(struct drm_device *dev);
int i915_gem_init_rings(struct drm_device *dev);
int __must_check i915_gem_init_hw(struct drm_device *dev);
int i915_gem_l3_remap(struct intel_engine_cs *ring, int slice);
void i915_gem_init_swizzling(struct drm_device *dev);
@ -2467,7 +2507,7 @@ static inline bool i915_gem_obj_is_pinned(struct drm_i915_gem_object *obj) {
}
/* Some GGTT VM helpers */
#define obj_to_ggtt(obj) \
#define i915_obj_to_ggtt(obj) \
(&((struct drm_i915_private *)(obj)->base.dev->dev_private)->gtt.base)
static inline bool i915_is_ggtt(struct i915_address_space *vm)
{
@ -2476,21 +2516,30 @@ static inline bool i915_is_ggtt(struct i915_address_space *vm)
return vm == ggtt;
}
static inline struct i915_hw_ppgtt *
i915_vm_to_ppgtt(struct i915_address_space *vm)
{
WARN_ON(i915_is_ggtt(vm));
return container_of(vm, struct i915_hw_ppgtt, base);
}
static inline bool i915_gem_obj_ggtt_bound(struct drm_i915_gem_object *obj)
{
return i915_gem_obj_bound(obj, obj_to_ggtt(obj));
return i915_gem_obj_bound(obj, i915_obj_to_ggtt(obj));
}
static inline unsigned long
i915_gem_obj_ggtt_offset(struct drm_i915_gem_object *obj)
{
return i915_gem_obj_offset(obj, obj_to_ggtt(obj));
return i915_gem_obj_offset(obj, i915_obj_to_ggtt(obj));
}
static inline unsigned long
i915_gem_obj_ggtt_size(struct drm_i915_gem_object *obj)
{
return i915_gem_obj_size(obj, obj_to_ggtt(obj));
return i915_gem_obj_size(obj, i915_obj_to_ggtt(obj));
}
static inline int __must_check
@ -2498,7 +2547,8 @@ i915_gem_obj_ggtt_pin(struct drm_i915_gem_object *obj,
uint32_t alignment,
unsigned flags)
{
return i915_gem_object_pin(obj, obj_to_ggtt(obj), alignment, flags | PIN_GLOBAL);
return i915_gem_object_pin(obj, i915_obj_to_ggtt(obj),
alignment, flags | PIN_GLOBAL);
}
static inline int
@ -2510,7 +2560,6 @@ i915_gem_object_ggtt_unbind(struct drm_i915_gem_object *obj)
void i915_gem_object_ggtt_unpin(struct drm_i915_gem_object *obj);
/* i915_gem_context.c */
#define ctx_to_ppgtt(ctx) container_of((ctx)->vm, struct i915_hw_ppgtt, base)
int __must_check i915_gem_context_init(struct drm_device *dev);
void i915_gem_context_fini(struct drm_device *dev);
void i915_gem_context_reset(struct drm_device *dev);
@ -2522,6 +2571,8 @@ int i915_switch_context(struct intel_engine_cs *ring,
struct intel_context *
i915_gem_context_get(struct drm_i915_file_private *file_priv, u32 id);
void i915_gem_context_free(struct kref *ctx_ref);
struct drm_i915_gem_object *
i915_gem_alloc_context_obj(struct drm_device *dev, size_t size);
static inline void i915_gem_context_reference(struct intel_context *ctx)
{
kref_get(&ctx->ref);

157
drivers/gpu/drm/i915/i915_gem.c
View File

@ -2160,8 +2160,6 @@ static void
i915_gem_object_move_to_active(struct drm_i915_gem_object *obj,
struct intel_engine_cs *ring)
{
struct drm_device *dev = obj->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
u32 seqno = intel_ring_get_seqno(ring);
BUG_ON(ring == NULL);
@ -2180,19 +2178,6 @@ i915_gem_object_move_to_active(struct drm_i915_gem_object *obj,
list_move_tail(&obj->ring_list, &ring->active_list);
obj->last_read_seqno = seqno;
if (obj->fenced_gpu_access) {
obj->last_fenced_seqno = seqno;
/* Bump MRU to take account of the delayed flush */
if (obj->fence_reg != I915_FENCE_REG_NONE) {
struct drm_i915_fence_reg *reg;
reg = &dev_priv->fence_regs[obj->fence_reg];
list_move_tail(&reg->lru_list,
&dev_priv->mm.fence_list);
}
}
}
void i915_vma_move_to_active(struct i915_vma *vma,
@ -2228,7 +2213,6 @@ i915_gem_object_move_to_inactive(struct drm_i915_gem_object *obj)
obj->base.write_domain = 0;
obj->last_fenced_seqno = 0;
obj->fenced_gpu_access = false;
obj->active = 0;
drm_gem_object_unreference(&obj->base);
@ -2326,10 +2310,21 @@ int __i915_add_request(struct intel_engine_cs *ring,
{
struct drm_i915_private *dev_priv = ring->dev->dev_private;
struct drm_i915_gem_request *request;
struct intel_ringbuffer *ringbuf;
u32 request_ring_position, request_start;
int ret;
request_start = intel_ring_get_tail(ring->buffer);
request = ring->preallocated_lazy_request;
if (WARN_ON(request == NULL))
return -ENOMEM;
if (i915.enable_execlists) {
struct intel_context *ctx = request->ctx;
ringbuf = ctx->engine[ring->id].ringbuf;
} else
ringbuf = ring->buffer;
request_start = intel_ring_get_tail(ringbuf);
/*
* Emit any outstanding flushes - execbuf can fail to emit the flush
* after having emitted the batchbuffer command. Hence we need to fix
@ -2337,24 +2332,32 @@ int __i915_add_request(struct intel_engine_cs *ring,
* is that the flush _must_ happen before the next request, no matter
* what.
*/
if (i915.enable_execlists) {
ret = logical_ring_flush_all_caches(ringbuf);
if (ret)
return ret;
} else {
ret = intel_ring_flush_all_caches(ring);
if (ret)
return ret;
request = ring->preallocated_lazy_request;
if (WARN_ON(request == NULL))
return -ENOMEM;
}
/* Record the position of the start of the request so that
* should we detect the updated seqno part-way through the
* GPU processing the request, we never over-estimate the
* position of the head.
*/
request_ring_position = intel_ring_get_tail(ring->buffer);
request_ring_position = intel_ring_get_tail(ringbuf);
if (i915.enable_execlists) {
ret = ring->emit_request(ringbuf);
if (ret)
return ret;
} else {
ret = ring->add_request(ring);
if (ret)
return ret;
}
request->seqno = intel_ring_get_seqno(ring);
request->ring = ring;
@ -2369,12 +2372,14 @@ int __i915_add_request(struct intel_engine_cs *ring,
*/
request->batch_obj = obj;
if (!i915.enable_execlists) {
/* Hold a reference to the current context so that we can inspect
* it later in case a hangcheck error event fires.
*/
request->ctx = ring->last_context;
if (request->ctx)
i915_gem_context_reference(request->ctx);
}
request->emitted_jiffies = jiffies;
list_add_tail(&request->list, &ring->request_list);
@ -2545,6 +2550,18 @@ static void i915_gem_reset_ring_cleanup(struct drm_i915_private *dev_priv,
i915_gem_free_request(request);
}
while (!list_empty(&ring->execlist_queue)) {
struct intel_ctx_submit_request *submit_req;
submit_req = list_first_entry(&ring->execlist_queue,
struct intel_ctx_submit_request,
execlist_link);
list_del(&submit_req->execlist_link);
intel_runtime_pm_put(dev_priv);
i915_gem_context_unreference(submit_req->ctx);
kfree(submit_req);
}
/* These may not have been flush before the reset, do so now */
kfree(ring->preallocated_lazy_request);
ring->preallocated_lazy_request = NULL;
@ -2629,6 +2646,7 @@ i915_gem_retire_requests_ring(struct intel_engine_cs *ring)
while (!list_empty(&ring->request_list)) {
struct drm_i915_gem_request *request;
struct intel_ringbuffer *ringbuf;
request = list_first_entry(&ring->request_list,
struct drm_i915_gem_request,
@ -2638,12 +2656,24 @@ i915_gem_retire_requests_ring(struct intel_engine_cs *ring)
break;
trace_i915_gem_request_retire(ring, request->seqno);
/* This is one of the few common intersection points
* between legacy ringbuffer submission and execlists:
* we need to tell them apart in order to find the correct
* ringbuffer to which the request belongs to.
*/
if (i915.enable_execlists) {
struct intel_context *ctx = request->ctx;
ringbuf = ctx->engine[ring->id].ringbuf;
} else
ringbuf = ring->buffer;
/* We know the GPU must have read the request to have
* sent us the seqno + interrupt, so use the position
* of tail of the request to update the last known position
* of the GPU head.
*/
ring->buffer->last_retired_head = request->tail;
ringbuf->last_retired_head = request->tail;
i915_gem_free_request(request);
}
@ -2919,9 +2949,8 @@ int i915_vma_unbind(struct i915_vma *vma)
vma->unbind_vma(vma);
list_del_init(&vma->mm_list);
/* Avoid an unnecessary call to unbind on rebind. */
if (i915_is_ggtt(vma->vm))
obj->map_and_fenceable = true;
obj->map_and_fenceable = false;
drm_mm_remove_node(&vma->node);
i915_gem_vma_destroy(vma);
@ -3166,7 +3195,6 @@ i915_gem_object_wait_fence(struct drm_i915_gem_object *obj)
obj->last_fenced_seqno = 0;
}
obj->fenced_gpu_access = false;
return 0;
}
@ -3273,6 +3301,9 @@ i915_gem_object_get_fence(struct drm_i915_gem_object *obj)
return 0;
}
} else if (enable) {
if (WARN_ON(!obj->map_and_fenceable))
return -EINVAL;
reg = i915_find_fence_reg(dev);
if (IS_ERR(reg))
return PTR_ERR(reg);
@ -3583,11 +3614,12 @@ int
i915_gem_object_set_to_gtt_domain(struct drm_i915_gem_object *obj, bool write)
{
struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
struct i915_vma *vma = i915_gem_obj_to_ggtt(obj);
uint32_t old_write_domain, old_read_domains;
int ret;
/* Not valid to be called on unbound objects. */
if (!i915_gem_obj_bound_any(obj))
if (vma == NULL)
return -EINVAL;
if (obj->base.write_domain == I915_GEM_DOMAIN_GTT)
@ -3629,14 +3661,10 @@ i915_gem_object_set_to_gtt_domain(struct drm_i915_gem_object *obj, bool write)
old_write_domain);
/* And bump the LRU for this access */
if (i915_gem_object_is_inactive(obj)) {
struct i915_vma *vma = i915_gem_obj_to_ggtt(obj);
if (vma)
if (i915_gem_object_is_inactive(obj))
list_move_tail(&vma->mm_list,
&dev_priv->gtt.base.inactive_list);
}
return 0;
}
@ -3799,9 +3827,6 @@ static bool is_pin_display(struct drm_i915_gem_object *obj)
{
struct i915_vma *vma;
if (list_empty(&obj->vma_list))
return false;
vma = i915_gem_obj_to_ggtt(obj);
if (!vma)
return false;
@ -4328,8 +4353,6 @@ void i915_gem_object_init(struct drm_i915_gem_object *obj,
obj->fence_reg = I915_FENCE_REG_NONE;
obj->madv = I915_MADV_WILLNEED;
/* Avoid an unnecessary call to unbind on the first bind. */
obj->map_and_fenceable = true;
i915_gem_info_add_obj(obj->base.dev->dev_private, obj->base.size);
}
@ -4490,12 +4513,18 @@ struct i915_vma *i915_gem_obj_to_vma(struct drm_i915_gem_object *obj,
void i915_gem_vma_destroy(struct i915_vma *vma)
{
struct i915_address_space *vm = NULL;
WARN_ON(vma->node.allocated);
/* Keep the vma as a placeholder in the execbuffer reservation lists */
if (!list_empty(&vma->exec_list))
return;
vm = vma->vm;
if (!i915_is_ggtt(vm))
i915_ppgtt_put(i915_vm_to_ppgtt(vm));
list_del(&vma->vma_link);
kfree(vma);
@ -4509,7 +4538,7 @@ i915_gem_stop_ringbuffers(struct drm_device *dev)
int i;
for_each_ring(ring, dev_priv, i)
intel_stop_ring_buffer(ring);
dev_priv->gt.stop_ring(ring);
}
int
@ -4626,7 +4655,7 @@ intel_enable_blt(struct drm_device *dev)
return true;
}
static int i915_gem_init_rings(struct drm_device *dev)
int i915_gem_init_rings(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
int ret;
@ -4709,7 +4738,7 @@ i915_gem_init_hw(struct drm_device *dev)
i915_gem_init_swizzling(dev);
ret = i915_gem_init_rings(dev);
ret = dev_priv->gt.init_rings(dev);
if (ret)
return ret;
@ -4727,6 +4756,14 @@ i915_gem_init_hw(struct drm_device *dev)
if (ret && ret != -EIO) {
DRM_ERROR("Context enable failed %d\n", ret);
i915_gem_cleanup_ringbuffer(dev);
return ret;
}
ret = i915_ppgtt_init_hw(dev);
if (ret && ret != -EIO) {
DRM_ERROR("PPGTT enable failed %d\n", ret);
i915_gem_cleanup_ringbuffer(dev);
}
return ret;
@ -4737,6 +4774,9 @@ int i915_gem_init(struct drm_device *dev)
struct drm_i915_private *dev_priv = dev->dev_private;
int ret;
i915.enable_execlists = intel_sanitize_enable_execlists(dev,
i915.enable_execlists);
mutex_lock(&dev->struct_mutex);
if (IS_VALLEYVIEW(dev)) {
@ -4747,7 +4787,24 @@ int i915_gem_init(struct drm_device *dev)
DRM_DEBUG_DRIVER("allow wake ack timed out\n");
}
i915_gem_init_userptr(dev);
if (!i915.enable_execlists) {
dev_priv->gt.do_execbuf = i915_gem_ringbuffer_submission;
dev_priv->gt.init_rings = i915_gem_init_rings;
dev_priv->gt.cleanup_ring = intel_cleanup_ring_buffer;
dev_priv->gt.stop_ring = intel_stop_ring_buffer;
} else {
dev_priv->gt.do_execbuf = intel_execlists_submission;
dev_priv->gt.init_rings = intel_logical_rings_init;
dev_priv->gt.cleanup_ring = intel_logical_ring_cleanup;
dev_priv->gt.stop_ring = intel_logical_ring_stop;
}
ret = i915_gem_init_userptr(dev);
if (ret) {
mutex_unlock(&dev->struct_mutex);
return ret;
}
i915_gem_init_global_gtt(dev);
ret = i915_gem_context_init(dev);
@ -4782,7 +4839,7 @@ i915_gem_cleanup_ringbuffer(struct drm_device *dev)
int i;
for_each_ring(ring, dev_priv, i)
intel_cleanup_ring_buffer(ring);
dev_priv->gt.cleanup_ring(ring);
}
int
@ -5094,9 +5151,7 @@ unsigned long i915_gem_obj_offset(struct drm_i915_gem_object *o,
struct drm_i915_private *dev_priv = o->base.dev->dev_private;
struct i915_vma *vma;
if (!dev_priv->mm.aliasing_ppgtt ||
vm == &dev_priv->mm.aliasing_ppgtt->base)
vm = &dev_priv->gtt.base;
WARN_ON(vm == &dev_priv->mm.aliasing_ppgtt->base);
list_for_each_entry(vma, &o->vma_list, vma_link) {
if (vma->vm == vm)
@ -5137,9 +5192,7 @@ unsigned long i915_gem_obj_size(struct drm_i915_gem_object *o,
struct drm_i915_private *dev_priv = o->base.dev->dev_private;
struct i915_vma *vma;
if (!dev_priv->mm.aliasing_ppgtt ||
vm == &dev_priv->mm.aliasing_ppgtt->base)
vm = &dev_priv->gtt.base;
WARN_ON(vm == &dev_priv->mm.aliasing_ppgtt->base);
BUG_ON(list_empty(&o->vma_list));
@ -5244,14 +5297,8 @@ struct i915_vma *i915_gem_obj_to_ggtt(struct drm_i915_gem_object *obj)
{
struct i915_vma *vma;
/* This WARN has probably outlived its usefulness (callers already
* WARN if they don't find the GGTT vma they expect). When removing,
* remember to remove the pre-check in is_pin_display() as well */
if (WARN_ON(list_empty(&obj->vma_list)))
return NULL;
vma = list_first_entry(&obj->vma_list, typeof(*vma), vma_link);
if (vma->vm != obj_to_ggtt(obj))
if (vma->vm != i915_obj_to_ggtt(obj))
return NULL;
return vma;

147
drivers/gpu/drm/i915/i915_gem_context.c
View File

@ -96,50 +96,6 @@
#define GEN6_CONTEXT_ALIGN (64<<10)
#define GEN7_CONTEXT_ALIGN 4096
static void do_ppgtt_cleanup(struct i915_hw_ppgtt *ppgtt)
{
struct drm_device *dev = ppgtt->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct i915_address_space *vm = &ppgtt->base;
if (ppgtt == dev_priv->mm.aliasing_ppgtt ||
(list_empty(&vm->active_list) && list_empty(&vm->inactive_list))) {
ppgtt->base.cleanup(&ppgtt->base);
return;
}
/*
* Make sure vmas are unbound before we take down the drm_mm
*
* FIXME: Proper refcounting should take care of this, this shouldn't be
* needed at all.
*/
if (!list_empty(&vm->active_list)) {
struct i915_vma *vma;
list_for_each_entry(vma, &vm->active_list, mm_list)
if (WARN_ON(list_empty(&vma->vma_link) ||
list_is_singular(&vma->vma_link)))
break;
i915_gem_evict_vm(&ppgtt->base, true);
} else {
i915_gem_retire_requests(dev);
i915_gem_evict_vm(&ppgtt->base, false);
}
ppgtt->base.cleanup(&ppgtt->base);
}
static void ppgtt_release(struct kref *kref)
{
struct i915_hw_ppgtt *ppgtt =
container_of(kref, struct i915_hw_ppgtt, ref);
do_ppgtt_cleanup(ppgtt);
kfree(ppgtt);
}
static size_t get_context_alignment(struct drm_device *dev)
{
if (IS_GEN6(dev))
@ -180,23 +136,19 @@ void i915_gem_context_free(struct kref *ctx_ref)
{
struct intel_context *ctx = container_of(ctx_ref,
typeof(*ctx), ref);
struct i915_hw_ppgtt *ppgtt = NULL;
if (ctx->legacy_hw_ctx.rcs_state) {
/* We refcount even the aliasing PPGTT to keep the code symmetric */
if (USES_PPGTT(ctx->legacy_hw_ctx.rcs_state->base.dev))
ppgtt = ctx_to_ppgtt(ctx);
}
if (i915.enable_execlists)
intel_lr_context_free(ctx);
i915_ppgtt_put(ctx->ppgtt);
if (ppgtt)
kref_put(&ppgtt->ref, ppgtt_release);
if (ctx->legacy_hw_ctx.rcs_state)
drm_gem_object_unreference(&ctx->legacy_hw_ctx.rcs_state->base);
list_del(&ctx->link);
kfree(ctx);
}
static struct drm_i915_gem_object *
struct drm_i915_gem_object *
i915_gem_alloc_context_obj(struct drm_device *dev, size_t size)
{
struct drm_i915_gem_object *obj;
@ -226,26 +178,6 @@ i915_gem_alloc_context_obj(struct drm_device *dev, size_t size)
return obj;
}
static struct i915_hw_ppgtt *
create_vm_for_ctx(struct drm_device *dev, struct intel_context *ctx)
{
struct i915_hw_ppgtt *ppgtt;
int ret;
ppgtt = kzalloc(sizeof(*ppgtt), GFP_KERNEL);
if (!ppgtt)
return ERR_PTR(-ENOMEM);
ret = i915_gem_init_ppgtt(dev, ppgtt);
if (ret) {
kfree(ppgtt);
return ERR_PTR(ret);
}
ppgtt->ctx = ctx;
return ppgtt;
}
static struct intel_context *
__create_hw_context(struct drm_device *dev,
struct drm_i915_file_private *file_priv)
@ -301,11 +233,9 @@ err_out:
*/
static struct intel_context *
i915_gem_create_context(struct drm_device *dev,
struct drm_i915_file_private *file_priv,
bool create_vm)
struct drm_i915_file_private *file_priv)
{
const bool is_global_default_ctx = file_priv == NULL;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_context *ctx;
int ret = 0;
@ -331,34 +261,18 @@ i915_gem_create_context(struct drm_device *dev,
}
}
if (create_vm) {
struct i915_hw_ppgtt *ppgtt = create_vm_for_ctx(dev, ctx);
if (USES_FULL_PPGTT(dev)) {
struct i915_hw_ppgtt *ppgtt = i915_ppgtt_create(dev, file_priv);
if (IS_ERR_OR_NULL(ppgtt)) {
DRM_DEBUG_DRIVER("PPGTT setup failed (%ld)\n",
PTR_ERR(ppgtt));
ret = PTR_ERR(ppgtt);
goto err_unpin;
} else
ctx->vm = &ppgtt->base;
/* This case is reserved for the global default context and
* should only happen once. */
if (is_global_default_ctx) {
if (WARN_ON(dev_priv->mm.aliasing_ppgtt)) {
ret = -EEXIST;
goto err_unpin;
}
dev_priv->mm.aliasing_ppgtt = ppgtt;
ctx->ppgtt = ppgtt;
}
} else if (USES_PPGTT(dev)) {
/* For platforms which only have aliasing PPGTT, we fake the
* address space and refcounting. */
ctx->vm = &dev_priv->mm.aliasing_ppgtt->base;
kref_get(&dev_priv->mm.aliasing_ppgtt->ref);
} else
ctx->vm = &dev_priv->gtt.base;
return ctx;
@ -417,7 +331,11 @@ int i915_gem_context_init(struct drm_device *dev)
if (WARN_ON(dev_priv->ring[RCS].default_context))
return 0;
if (HAS_HW_CONTEXTS(dev)) {
if (i915.enable_execlists) {
/* NB: intentionally left blank. We will allocate our own
* backing objects as we need them, thank you very much */
dev_priv->hw_context_size = 0;
} else if (HAS_HW_CONTEXTS(dev)) {
dev_priv->hw_context_size = round_up(get_context_size(dev), 4096);
if (dev_priv->hw_context_size > (1<<20)) {
DRM_DEBUG_DRIVER("Disabling HW Contexts; invalid size %d\n",
@ -426,18 +344,23 @@ int i915_gem_context_init(struct drm_device *dev)
}
}
ctx = i915_gem_create_context(dev, NULL, USES_PPGTT(dev));
ctx = i915_gem_create_context(dev, NULL);
if (IS_ERR(ctx)) {
DRM_ERROR("Failed to create default global context (error %ld)\n",
PTR_ERR(ctx));
return PTR_ERR(ctx);
}
/* NB: RCS will hold a ref for all rings */
for (i = 0; i < I915_NUM_RINGS; i++)
dev_priv->ring[i].default_context = ctx;
for (i = 0; i < I915_NUM_RINGS; i++) {
struct intel_engine_cs *ring = &dev_priv->ring[i];
DRM_DEBUG_DRIVER("%s context support initialized\n", dev_priv->hw_context_size ? "HW" : "fake");
/* NB: RCS will hold a ref for all rings */
ring->default_context = ctx;
}
DRM_DEBUG_DRIVER("%s context support initialized\n",
i915.enable_execlists ? "LR" :
dev_priv->hw_context_size ? "HW" : "fake");
return 0;
}
@ -489,13 +412,6 @@ int i915_gem_context_enable(struct drm_i915_private *dev_priv)
struct intel_engine_cs *ring;
int ret, i;
/* This is the only place the aliasing PPGTT gets enabled, which means
* it has to happen before we bail on reset */
if (dev_priv->mm.aliasing_ppgtt) {
struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt;
ppgtt->enable(ppgtt);
}
/* FIXME: We should make this work, even in reset */
if (i915_reset_in_progress(&dev_priv->gpu_error))
return 0;
@ -527,7 +443,7 @@ int i915_gem_context_open(struct drm_device *dev, struct drm_file *file)
idr_init(&file_priv->context_idr);
mutex_lock(&dev->struct_mutex);
ctx = i915_gem_create_context(dev, file_priv, USES_FULL_PPGTT(dev));
ctx = i915_gem_create_context(dev, file_priv);
mutex_unlock(&dev->struct_mutex);
if (IS_ERR(ctx)) {
@ -614,7 +530,6 @@ static int do_switch(struct intel_engine_cs *ring,
{
struct drm_i915_private *dev_priv = ring->dev->dev_private;
struct intel_context *from = ring->last_context;
struct i915_hw_ppgtt *ppgtt = ctx_to_ppgtt(to);
u32 hw_flags = 0;
bool uninitialized = false;
int ret, i;
@ -642,8 +557,8 @@ static int do_switch(struct intel_engine_cs *ring,
*/
from = ring->last_context;
if (USES_FULL_PPGTT(ring->dev)) {
ret = ppgtt->switch_mm(ppgtt, ring, false);
if (to->ppgtt) {
ret = to->ppgtt->switch_mm(to->ppgtt, ring, false);
if (ret)
goto unpin_out;
}
@ -766,9 +681,9 @@ int i915_switch_context(struct intel_engine_cs *ring,
return do_switch(ring, to);
}
static bool hw_context_enabled(struct drm_device *dev)
static bool contexts_enabled(struct drm_device *dev)
{
return to_i915(dev)->hw_context_size;
return i915.enable_execlists || to_i915(dev)->hw_context_size;
}
int i915_gem_context_create_ioctl(struct drm_device *dev, void *data,
@ -779,14 +694,14 @@ int i915_gem_context_create_ioctl(struct drm_device *dev, void *data,
struct intel_context *ctx;
int ret;
if (!hw_context_enabled(dev))
if (!contexts_enabled(dev))
return -ENODEV;
ret = i915_mutex_lock_interruptible(dev);
if (ret)
return ret;
ctx = i915_gem_create_context(dev, file_priv, USES_FULL_PPGTT(dev));
ctx = i915_gem_create_context(dev, file_priv);
mutex_unlock(&dev->struct_mutex);
if (IS_ERR(ctx))
return PTR_ERR(ctx);

207
drivers/gpu/drm/i915/i915_gem_execbuffer.c
View File

@ -35,6 +35,7 @@
#define __EXEC_OBJECT_HAS_PIN (1<<31)
#define __EXEC_OBJECT_HAS_FENCE (1<<30)
#define __EXEC_OBJECT_NEEDS_MAP (1<<29)
#define __EXEC_OBJECT_NEEDS_BIAS (1<<28)
#define BATCH_OFFSET_BIAS (256*1024)
@ -94,7 +95,6 @@ eb_lookup_vmas(struct eb_vmas *eb,
struct i915_address_space *vm,
struct drm_file *file)
{
struct drm_i915_private *dev_priv = vm->dev->dev_private;
struct drm_i915_gem_object *obj;
struct list_head objects;
int i, ret;
@ -129,20 +129,6 @@ eb_lookup_vmas(struct eb_vmas *eb,
i = 0;
while (!list_empty(&objects)) {
struct i915_vma *vma;
struct i915_address_space *bind_vm = vm;
if (exec[i].flags & EXEC_OBJECT_NEEDS_GTT &&
USES_FULL_PPGTT(vm->dev)) {
ret = -EINVAL;
goto err;
}
/* If we have secure dispatch, or the userspace assures us that
* they know what they're doing, use the GGTT VM.
*/
if (((args->flags & I915_EXEC_SECURE) &&
(i == (args->buffer_count - 1))))
bind_vm = &dev_priv->gtt.base;
obj = list_first_entry(&objects,
struct drm_i915_gem_object,
@ -156,7 +142,7 @@ eb_lookup_vmas(struct eb_vmas *eb,
* from the (obj, vm) we don't run the risk of creating
* duplicated vmas for the same vm.
*/
vma = i915_gem_obj_lookup_or_create_vma(obj, bind_vm);
vma = i915_gem_obj_lookup_or_create_vma(obj, vm);
if (IS_ERR(vma)) {
DRM_DEBUG("Failed to lookup VMA\n");
ret = PTR_ERR(vma);
@ -307,7 +293,7 @@ relocate_entry_gtt(struct drm_i915_gem_object *obj,
struct drm_device *dev = obj->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
uint64_t delta = reloc->delta + target_offset;
uint32_t __iomem *reloc_entry;
uint64_t offset;
void __iomem *reloc_page;
int ret;
@ -320,25 +306,24 @@ relocate_entry_gtt(struct drm_i915_gem_object *obj,
return ret;
/* Map the page containing the relocation we're going to perform. */
reloc->offset += i915_gem_obj_ggtt_offset(obj);
offset = i915_gem_obj_ggtt_offset(obj);
offset += reloc->offset;
reloc_page = io_mapping_map_atomic_wc(dev_priv->gtt.mappable,
reloc->offset & PAGE_MASK);
reloc_entry = (uint32_t __iomem *)
(reloc_page + offset_in_page(reloc->offset));
iowrite32(lower_32_bits(delta), reloc_entry);
offset & PAGE_MASK);
iowrite32(lower_32_bits(delta), reloc_page + offset_in_page(offset));
if (INTEL_INFO(dev)->gen >= 8) {
reloc_entry += 1;
offset += sizeof(uint32_t);
if (offset_in_page(reloc->offset + sizeof(uint32_t)) == 0) {
if (offset_in_page(offset) == 0) {
io_mapping_unmap_atomic(reloc_page);
reloc_page = io_mapping_map_atomic_wc(
dev_priv->gtt.mappable,
reloc->offset + sizeof(uint32_t));
reloc_entry = reloc_page;
reloc_page =
io_mapping_map_atomic_wc(dev_priv->gtt.mappable,
offset);
}
iowrite32(upper_32_bits(delta), reloc_entry);
iowrite32(upper_32_bits(delta),
reloc_page + offset_in_page(offset));
}
io_mapping_unmap_atomic(reloc_page);
@ -534,14 +519,6 @@ i915_gem_execbuffer_relocate(struct eb_vmas *eb)
return ret;
}
static int
need_reloc_mappable(struct i915_vma *vma)
{
struct drm_i915_gem_exec_object2 *entry = vma->exec_entry;
return entry->relocation_count && !use_cpu_reloc(vma->obj) &&
i915_is_ggtt(vma->vm);
}
static int
i915_gem_execbuffer_reserve_vma(struct i915_vma *vma,
struct intel_engine_cs *ring,
@ -549,20 +526,12 @@ i915_gem_execbuffer_reserve_vma(struct i915_vma *vma,
{
struct drm_i915_gem_object *obj = vma->obj;
struct drm_i915_gem_exec_object2 *entry = vma->exec_entry;
bool has_fenced_gpu_access = INTEL_INFO(ring->dev)->gen < 4;
bool need_fence;
uint64_t flags;
int ret;
flags = 0;
need_fence =
has_fenced_gpu_access &&
entry->flags & EXEC_OBJECT_NEEDS_FENCE &&
obj->tiling_mode != I915_TILING_NONE;
if (need_fence || need_reloc_mappable(vma))
if (entry->flags & __EXEC_OBJECT_NEEDS_MAP)
flags |= PIN_MAPPABLE;
if (entry->flags & EXEC_OBJECT_NEEDS_GTT)
flags |= PIN_GLOBAL;
if (entry->flags & __EXEC_OBJECT_NEEDS_BIAS)
@ -574,7 +543,6 @@ i915_gem_execbuffer_reserve_vma(struct i915_vma *vma,
entry->flags |= __EXEC_OBJECT_HAS_PIN;
if (has_fenced_gpu_access) {
if (entry->flags & EXEC_OBJECT_NEEDS_FENCE) {
ret = i915_gem_object_get_fence(obj);
if (ret)
@ -582,9 +550,6 @@ i915_gem_execbuffer_reserve_vma(struct i915_vma *vma,
if (i915_gem_object_pin_fence(obj))
entry->flags |= __EXEC_OBJECT_HAS_FENCE;
obj->pending_fenced_gpu_access = true;
}
}
if (entry->offset != vma->node.start) {
@ -601,26 +566,40 @@ i915_gem_execbuffer_reserve_vma(struct i915_vma *vma,
}
static bool
eb_vma_misplaced(struct i915_vma *vma, bool has_fenced_gpu_access)
need_reloc_mappable(struct i915_vma *vma)
{
struct drm_i915_gem_exec_object2 *entry = vma->exec_entry;
if (entry->relocation_count == 0)
return false;
if (!i915_is_ggtt(vma->vm))
return false;
/* See also use_cpu_reloc() */
if (HAS_LLC(vma->obj->base.dev))
return false;
if (vma->obj->base.write_domain == I915_GEM_DOMAIN_CPU)
return false;
return true;
}
static bool
eb_vma_misplaced(struct i915_vma *vma)
{
struct drm_i915_gem_exec_object2 *entry = vma->exec_entry;
struct drm_i915_gem_object *obj = vma->obj;
bool need_fence, need_mappable;
need_fence =
has_fenced_gpu_access &&
entry->flags & EXEC_OBJECT_NEEDS_FENCE &&
obj->tiling_mode != I915_TILING_NONE;
need_mappable = need_fence || need_reloc_mappable(vma);
WARN_ON((need_mappable || need_fence) &&
WARN_ON(entry->flags & __EXEC_OBJECT_NEEDS_MAP &&
!i915_is_ggtt(vma->vm));
if (entry->alignment &&
vma->node.start & (entry->alignment - 1))
return true;
if (need_mappable && !obj->map_and_fenceable)
if (entry->flags & __EXEC_OBJECT_NEEDS_MAP && !obj->map_and_fenceable)
return true;
if (entry->flags & __EXEC_OBJECT_NEEDS_BIAS &&
@ -642,9 +621,6 @@ i915_gem_execbuffer_reserve(struct intel_engine_cs *ring,
bool has_fenced_gpu_access = INTEL_INFO(ring->dev)->gen < 4;
int retry;
if (list_empty(vmas))
return 0;
i915_gem_retire_requests_ring(ring);
vm = list_first_entry(vmas, struct i915_vma, exec_list)->vm;
@ -658,20 +634,21 @@ i915_gem_execbuffer_reserve(struct intel_engine_cs *ring,
obj = vma->obj;
entry = vma->exec_entry;
if (!has_fenced_gpu_access)
entry->flags &= ~EXEC_OBJECT_NEEDS_FENCE;
need_fence =
has_fenced_gpu_access &&
entry->flags & EXEC_OBJECT_NEEDS_FENCE &&
obj->tiling_mode != I915_TILING_NONE;
need_mappable = need_fence || need_reloc_mappable(vma);
if (need_mappable)
if (need_mappable) {
entry->flags |= __EXEC_OBJECT_NEEDS_MAP;
list_move(&vma->exec_list, &ordered_vmas);
else
} else
list_move_tail(&vma->exec_list, &ordered_vmas);
obj->base.pending_read_domains = I915_GEM_GPU_DOMAINS & ~I915_GEM_DOMAIN_COMMAND;
obj->base.pending_write_domain = 0;
obj->pending_fenced_gpu_access = false;
}
list_splice(&ordered_vmas, vmas);
@ -696,7 +673,7 @@ i915_gem_execbuffer_reserve(struct intel_engine_cs *ring,
if (!drm_mm_node_allocated(&vma->node))
continue;
if (eb_vma_misplaced(vma, has_fenced_gpu_access))
if (eb_vma_misplaced(vma))
ret = i915_vma_unbind(vma);
else
ret = i915_gem_execbuffer_reserve_vma(vma, ring, need_relocs);
@ -744,9 +721,6 @@ i915_gem_execbuffer_relocate_slow(struct drm_device *dev,
int i, total, ret;
unsigned count = args->buffer_count;
if (WARN_ON(list_empty(&eb->vmas)))
return 0;
vm = list_first_entry(&eb->vmas, struct i915_vma, exec_list)->vm;
/* We may process another execbuffer during the unlock... */
@ -890,18 +864,24 @@ i915_gem_check_execbuffer(struct drm_i915_gem_execbuffer2 *exec)
}
static int
validate_exec_list(struct drm_i915_gem_exec_object2 *exec,
validate_exec_list(struct drm_device *dev,
struct drm_i915_gem_exec_object2 *exec,
int count)
{
int i;
unsigned relocs_total = 0;
unsigned relocs_max = UINT_MAX / sizeof(struct drm_i915_gem_relocation_entry);
unsigned invalid_flags;
int i;
invalid_flags = __EXEC_OBJECT_UNKNOWN_FLAGS;
if (USES_FULL_PPGTT(dev))
invalid_flags |= EXEC_OBJECT_NEEDS_GTT;
for (i = 0; i < count; i++) {
char __user *ptr = to_user_ptr(exec[i].relocs_ptr);
int length; /* limited by fault_in_pages_readable() */
if (exec[i].flags & __EXEC_OBJECT_UNKNOWN_FLAGS)
if (exec[i].flags & invalid_flags)
return -EINVAL;
/* First check for malicious input causing overflow in
@ -951,16 +931,26 @@ i915_gem_validate_context(struct drm_device *dev, struct drm_file *file,
return ERR_PTR(-EIO);
}
if (i915.enable_execlists && !ctx->engine[ring->id].state) {
int ret = intel_lr_context_deferred_create(ctx, ring);
if (ret) {
DRM_DEBUG("Could not create LRC %u: %d\n", ctx_id, ret);
return ERR_PTR(ret);
}
}
return ctx;
}
static void
void
i915_gem_execbuffer_move_to_active(struct list_head *vmas,
struct intel_engine_cs *ring)
{
u32 seqno = intel_ring_get_seqno(ring);
struct i915_vma *vma;
list_for_each_entry(vma, vmas, exec_list) {
struct drm_i915_gem_exec_object2 *entry = vma->exec_entry;
struct drm_i915_gem_object *obj = vma->obj;
u32 old_read = obj->base.read_domains;
u32 old_write = obj->base.write_domain;
@ -969,24 +959,31 @@ i915_gem_execbuffer_move_to_active(struct list_head *vmas,
if (obj->base.write_domain == 0)
obj->base.pending_read_domains |= obj->base.read_domains;
obj->base.read_domains = obj->base.pending_read_domains;
obj->fenced_gpu_access = obj->pending_fenced_gpu_access;
i915_vma_move_to_active(vma, ring);
if (obj->base.write_domain) {
obj->dirty = 1;
obj->last_write_seqno = intel_ring_get_seqno(ring);
obj->last_write_seqno = seqno;
intel_fb_obj_invalidate(obj, ring);
/* update for the implicit flush after a batch */
obj->base.write_domain &= ~I915_GEM_GPU_DOMAINS;
}
if (entry->flags & EXEC_OBJECT_NEEDS_FENCE) {
obj->last_fenced_seqno = seqno;
if (entry->flags & __EXEC_OBJECT_HAS_FENCE) {
struct drm_i915_private *dev_priv = to_i915(ring->dev);
list_move_tail(&dev_priv->fence_regs[obj->fence_reg].lru_list,
&dev_priv->mm.fence_list);
}
}
trace_i915_gem_object_change_domain(obj, old_read, old_write);
}
}
static void
void
i915_gem_execbuffer_retire_commands(struct drm_device *dev,
struct drm_file *file,
struct intel_engine_cs *ring,
@ -1026,8 +1023,8 @@ i915_reset_gen7_sol_offsets(struct drm_device *dev,
return 0;
}
static int
legacy_ringbuffer_submission(struct drm_device *dev, struct drm_file *file,
int
i915_gem_ringbuffer_submission(struct drm_device *dev, struct drm_file *file,
struct intel_engine_cs *ring,
struct intel_context *ctx,
struct drm_i915_gem_execbuffer2 *args,
@ -1254,7 +1251,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
if (!i915_gem_check_execbuffer(args))
return -EINVAL;
ret = validate_exec_list(exec, args->buffer_count);
ret = validate_exec_list(dev, exec, args->buffer_count);
if (ret)
return ret;
@ -1318,8 +1315,9 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
i915_gem_context_reference(ctx);
vm = ctx->vm;
if (!USES_FULL_PPGTT(dev))
if (ctx->ppgtt)
vm = &ctx->ppgtt->base;
else
vm = &dev_priv->gtt.base;
eb = eb_create(args);
@ -1386,25 +1384,36 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
/* snb/ivb/vlv conflate the "batch in ppgtt" bit with the "non-secure
* batch" bit. Hence we need to pin secure batches into the global gtt.
* hsw should have this fixed, but bdw mucks it up again. */
if (flags & I915_DISPATCH_SECURE &&
!batch_obj->has_global_gtt_mapping) {
/* When we have multiple VMs, we'll need to make sure that we
* allocate space first */
struct i915_vma *vma = i915_gem_obj_to_ggtt(batch_obj);
BUG_ON(!vma);
vma->bind_vma(vma, batch_obj->cache_level, GLOBAL_BIND);
}
if (flags & I915_DISPATCH_SECURE)
exec_start += i915_gem_obj_ggtt_offset(batch_obj);
else
exec_start += i915_gem_obj_offset(batch_obj, vm);
ret = legacy_ringbuffer_submission(dev, file, ring, ctx,
args, &eb->vmas, batch_obj, exec_start, flags);
if (flags & I915_DISPATCH_SECURE) {
/*
* So on first glance it looks freaky that we pin the batch here
* outside of the reservation loop. But:
* - The batch is already pinned into the relevant ppgtt, so we
* already have the backing storage fully allocated.
* - No other BO uses the global gtt (well contexts, but meh),
* so we don't really have issues with mutliple objects not
* fitting due to fragmentation.
* So this is actually safe.
*/
ret = i915_gem_obj_ggtt_pin(batch_obj, 0, 0);
if (ret)
goto err;
exec_start += i915_gem_obj_ggtt_offset(batch_obj);
} else
exec_start += i915_gem_obj_offset(batch_obj, vm);
ret = dev_priv->gt.do_execbuf(dev, file, ring, ctx, args,
&eb->vmas, batch_obj, exec_start, flags);
/*
* FIXME: We crucially rely upon the active tracking for the (ppgtt)
* batch vma for correctness. For less ugly and less fragility this
* needs to be adjusted to also track the ggtt batch vma properly as
* active.
*/
if (flags & I915_DISPATCH_SECURE)
i915_gem_object_ggtt_unpin(batch_obj);
err:
/* the request owns the ref now */
i915_gem_context_unreference(ctx);

212
drivers/gpu/drm/i915/i915_gem_gtt.c
View File

@ -67,7 +67,6 @@ static void ppgtt_bind_vma(struct i915_vma *vma,
enum i915_cache_level cache_level,
u32 flags);
static void ppgtt_unbind_vma(struct i915_vma *vma);
static int gen8_ppgtt_enable(struct i915_hw_ppgtt *ppgtt);
static inline gen8_gtt_pte_t gen8_pte_encode(dma_addr_t addr,
enum i915_cache_level level,
@ -392,9 +391,6 @@ static void gen8_ppgtt_cleanup(struct i915_address_space *vm)
struct i915_hw_ppgtt *ppgtt =
container_of(vm, struct i915_hw_ppgtt, base);
list_del(&vm->global_link);
drm_mm_takedown(&vm->mm);
gen8_ppgtt_unmap_pages(ppgtt);
gen8_ppgtt_free(ppgtt);
}
@ -604,7 +600,6 @@ static int gen8_ppgtt_init(struct i915_hw_ppgtt *ppgtt, uint64_t size)
kunmap_atomic(pd_vaddr);
}
ppgtt->enable = gen8_ppgtt_enable;
ppgtt->switch_mm = gen8_mm_switch;
ppgtt->base.clear_range = gen8_ppgtt_clear_range;
ppgtt->base.insert_entries = gen8_ppgtt_insert_entries;
@ -825,39 +820,26 @@ static int gen6_mm_switch(struct i915_hw_ppgtt *ppgtt,
return 0;
}
static int gen8_ppgtt_enable(struct i915_hw_ppgtt *ppgtt)
static void gen8_ppgtt_enable(struct drm_device *dev)
{
struct drm_device *dev = ppgtt->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_engine_cs *ring;
int j, ret;
int j;
/* In the case of execlists, PPGTT is enabled by the context descriptor
* and the PDPs are contained within the context itself. We don't
* need to do anything here. */
if (i915.enable_execlists)
return;
for_each_ring(ring, dev_priv, j) {
I915_WRITE(RING_MODE_GEN7(ring),
_MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE));
/* We promise to do a switch later with FULL PPGTT. If this is
* aliasing, this is the one and only switch we'll do */
if (USES_FULL_PPGTT(dev))
continue;
ret = ppgtt->switch_mm(ppgtt, ring, true);
if (ret)
goto err_out;
}
return 0;
err_out:
for_each_ring(ring, dev_priv, j)
I915_WRITE(RING_MODE_GEN7(ring),
_MASKED_BIT_DISABLE(GFX_PPGTT_ENABLE));
return ret;
}
static int gen7_ppgtt_enable(struct i915_hw_ppgtt *ppgtt)
static void gen7_ppgtt_enable(struct drm_device *dev)
{
struct drm_device *dev = ppgtt->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_engine_cs *ring;
uint32_t ecochk, ecobits;
@ -876,31 +858,16 @@ static int gen7_ppgtt_enable(struct i915_hw_ppgtt *ppgtt)
I915_WRITE(GAM_ECOCHK, ecochk);
for_each_ring(ring, dev_priv, i) {
int ret;
/* GFX_MODE is per-ring on gen7+ */
I915_WRITE(RING_MODE_GEN7(ring),
_MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE));
/* We promise to do a switch later with FULL PPGTT. If this is
* aliasing, this is the one and only switch we'll do */
if (USES_FULL_PPGTT(dev))
continue;
ret = ppgtt->switch_mm(ppgtt, ring, true);
if (ret)
return ret;
}
return 0;
}
static int gen6_ppgtt_enable(struct i915_hw_ppgtt *ppgtt)
static void gen6_ppgtt_enable(struct drm_device *dev)
{
struct drm_device *dev = ppgtt->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_engine_cs *ring;
uint32_t ecochk, gab_ctl, ecobits;
int i;
ecobits = I915_READ(GAC_ECO_BITS);
I915_WRITE(GAC_ECO_BITS, ecobits | ECOBITS_SNB_BIT |
@ -913,14 +880,6 @@ static int gen6_ppgtt_enable(struct i915_hw_ppgtt *ppgtt)
I915_WRITE(GAM_ECOCHK, ecochk | ECOCHK_SNB_BIT | ECOCHK_PPGTT_CACHE64B);
I915_WRITE(GFX_MODE, _MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE));
for_each_ring(ring, dev_priv, i) {
int ret = ppgtt->switch_mm(ppgtt, ring, true);
if (ret)
return ret;
}
return 0;
}
/* PPGTT support for Sandybdrige/Gen6 and later */
@ -1018,8 +977,6 @@ static void gen6_ppgtt_cleanup(struct i915_address_space *vm)
struct i915_hw_ppgtt *ppgtt =
container_of(vm, struct i915_hw_ppgtt, base);
list_del(&vm->global_link);
drm_mm_takedown(&ppgtt->base.mm);
drm_mm_remove_node(&ppgtt->node);
gen6_ppgtt_unmap_pages(ppgtt);
@ -1140,13 +1097,10 @@ static int gen6_ppgtt_init(struct i915_hw_ppgtt *ppgtt)
ppgtt->base.pte_encode = dev_priv->gtt.base.pte_encode;
if (IS_GEN6(dev)) {
ppgtt->enable = gen6_ppgtt_enable;
ppgtt->switch_mm = gen6_mm_switch;
} else if (IS_HASWELL(dev)) {
ppgtt->enable = gen7_ppgtt_enable;
ppgtt->switch_mm = hsw_mm_switch;
} else if (IS_GEN7(dev)) {
ppgtt->enable = gen7_ppgtt_enable;
ppgtt->switch_mm = gen7_mm_switch;
} else
BUG();
@ -1177,39 +1131,108 @@ static int gen6_ppgtt_init(struct i915_hw_ppgtt *ppgtt)
ppgtt->node.size >> 20,
ppgtt->node.start / PAGE_SIZE);
gen6_write_pdes(ppgtt);
DRM_DEBUG("Adding PPGTT at offset %x\n",
ppgtt->pd_offset << 10);
return 0;
}
int i915_gem_init_ppgtt(struct drm_device *dev, struct i915_hw_ppgtt *ppgtt)
static int __hw_ppgtt_init(struct drm_device *dev, struct i915_hw_ppgtt *ppgtt)
{
struct drm_i915_private *dev_priv = dev->dev_private;
int ret = 0;
ppgtt->base.dev = dev;
ppgtt->base.scratch = dev_priv->gtt.base.scratch;
if (INTEL_INFO(dev)->gen < 8)
ret = gen6_ppgtt_init(ppgtt);
return gen6_ppgtt_init(ppgtt);
else if (IS_GEN8(dev))
ret = gen8_ppgtt_init(ppgtt, dev_priv->gtt.base.total);
return gen8_ppgtt_init(ppgtt, dev_priv->gtt.base.total);
else
BUG();
if (!ret) {
}
int i915_ppgtt_init(struct drm_device *dev, struct i915_hw_ppgtt *ppgtt)
{
struct drm_i915_private *dev_priv = dev->dev_private;
int ret = 0;
ret = __hw_ppgtt_init(dev, ppgtt);
if (ret == 0) {
kref_init(&ppgtt->ref);
drm_mm_init(&ppgtt->base.mm, ppgtt->base.start,
ppgtt->base.total);
i915_init_vm(dev_priv, &ppgtt->base);
if (INTEL_INFO(dev)->gen < 8) {
gen6_write_pdes(ppgtt);
DRM_DEBUG("Adding PPGTT at offset %x\n",
ppgtt->pd_offset << 10);
}
return ret;
}
int i915_ppgtt_init_hw(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_engine_cs *ring;
struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt;
int i, ret = 0;
if (!USES_PPGTT(dev))
return 0;
if (IS_GEN6(dev))
gen6_ppgtt_enable(dev);
else if (IS_GEN7(dev))
gen7_ppgtt_enable(dev);
else if (INTEL_INFO(dev)->gen >= 8)
gen8_ppgtt_enable(dev);
else
WARN_ON(1);
if (ppgtt) {
for_each_ring(ring, dev_priv, i) {
ret = ppgtt->switch_mm(ppgtt, ring, true);
if (ret != 0)
return ret;
}
}
return ret;
}
struct i915_hw_ppgtt *
i915_ppgtt_create(struct drm_device *dev, struct drm_i915_file_private *fpriv)
{
struct i915_hw_ppgtt *ppgtt;
int ret;
ppgtt = kzalloc(sizeof(*ppgtt), GFP_KERNEL);
if (!ppgtt)
return ERR_PTR(-ENOMEM);
ret = i915_ppgtt_init(dev, ppgtt);
if (ret) {
kfree(ppgtt);
return ERR_PTR(ret);
}
ppgtt->file_priv = fpriv;
return ppgtt;
}
void i915_ppgtt_release(struct kref *kref)
{
struct i915_hw_ppgtt *ppgtt =
container_of(kref, struct i915_hw_ppgtt, ref);
/* vmas should already be unbound */
WARN_ON(!list_empty(&ppgtt->base.active_list));
WARN_ON(!list_empty(&ppgtt->base.inactive_list));
list_del(&ppgtt->base.global_link);
drm_mm_takedown(&ppgtt->base.mm);
ppgtt->base.cleanup(&ppgtt->base);
kfree(ppgtt);
}
static void
ppgtt_bind_vma(struct i915_vma *vma,
@ -1664,7 +1687,7 @@ static void i915_gtt_color_adjust(struct drm_mm_node *node,
}
}
void i915_gem_setup_global_gtt(struct drm_device *dev,
int i915_gem_setup_global_gtt(struct drm_device *dev,
unsigned long start,
unsigned long mappable_end,
unsigned long end)
@ -1683,6 +1706,7 @@ void i915_gem_setup_global_gtt(struct drm_device *dev,
struct drm_mm_node *entry;
struct drm_i915_gem_object *obj;
unsigned long hole_start, hole_end;
int ret;
BUG_ON(mappable_end > end);
@ -1694,14 +1718,16 @@ void i915_gem_setup_global_gtt(struct drm_device *dev,
/* Mark any preallocated objects as occupied */
list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) {
struct i915_vma *vma = i915_gem_obj_to_vma(obj, ggtt_vm);
int ret;
DRM_DEBUG_KMS("reserving preallocated space: %lx + %zx\n",
i915_gem_obj_ggtt_offset(obj), obj->base.size);
WARN_ON(i915_gem_obj_ggtt_bound(obj));
ret = drm_mm_reserve_node(&ggtt_vm->mm, &vma->node);
if (ret)
DRM_DEBUG_KMS("Reservation failed\n");
if (ret) {
DRM_DEBUG_KMS("Reservation failed: %i\n", ret);
return ret;
}
obj->has_global_gtt_mapping = 1;
}
@ -1718,6 +1744,22 @@ void i915_gem_setup_global_gtt(struct drm_device *dev,
/* And finally clear the reserved guard page */
ggtt_vm->clear_range(ggtt_vm, end - PAGE_SIZE, PAGE_SIZE, true);
if (USES_PPGTT(dev) && !USES_FULL_PPGTT(dev)) {
struct i915_hw_ppgtt *ppgtt;
ppgtt = kzalloc(sizeof(*ppgtt), GFP_KERNEL);
if (!ppgtt)
return -ENOMEM;
ret = __hw_ppgtt_init(dev, ppgtt);
if (ret != 0)
return ret;
dev_priv->mm.aliasing_ppgtt = ppgtt;
}
return 0;
}
void i915_gem_init_global_gtt(struct drm_device *dev)
@ -1731,6 +1773,25 @@ void i915_gem_init_global_gtt(struct drm_device *dev)
i915_gem_setup_global_gtt(dev, 0, mappable_size, gtt_size);
}
void i915_global_gtt_cleanup(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct i915_address_space *vm = &dev_priv->gtt.base;
if (dev_priv->mm.aliasing_ppgtt) {
struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt;
ppgtt->base.cleanup(&ppgtt->base);
}
if (drm_mm_initialized(&vm->mm)) {
drm_mm_takedown(&vm->mm);
list_del(&vm->global_link);
}
vm->cleanup(vm);
}
static int setup_scratch_page(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
@ -1999,10 +2060,6 @@ static void gen6_gmch_remove(struct i915_address_space *vm)
struct i915_gtt *gtt = container_of(vm, struct i915_gtt, base);
if (drm_mm_initialized(&vm->mm)) {
drm_mm_takedown(&vm->mm);
list_del(&vm->global_link);
}
iounmap(gtt->gsm);
teardown_scratch_page(vm->dev);
}
@ -2035,10 +2092,6 @@ static int i915_gmch_probe(struct drm_device *dev,
static void i915_gmch_remove(struct i915_address_space *vm)
{
if (drm_mm_initialized(&vm->mm)) {
drm_mm_takedown(&vm->mm);
list_del(&vm->global_link);
}
intel_gmch_remove();
}
@ -2153,5 +2206,8 @@ i915_gem_obj_lookup_or_create_vma(struct drm_i915_gem_object *obj,
if (!vma)
vma = __i915_gem_vma_create(obj, vm);
if (!i915_is_ggtt(vm))
i915_ppgtt_get(i915_vm_to_ppgtt(vm));
return vma;
}

24
drivers/gpu/drm/i915/i915_gem_gtt.h
View File

@ -34,6 +34,8 @@
#ifndef __I915_GEM_GTT_H__
#define __I915_GEM_GTT_H__
struct drm_i915_file_private;
typedef uint32_t gen6_gtt_pte_t;
typedef uint64_t gen8_gtt_pte_t;
typedef gen8_gtt_pte_t gen8_ppgtt_pde_t;
@ -258,7 +260,7 @@ struct i915_hw_ppgtt {
dma_addr_t *gen8_pt_dma_addr[4];
};
struct intel_context *ctx;
struct drm_i915_file_private *file_priv;
int (*enable)(struct i915_hw_ppgtt *ppgtt);
int (*switch_mm)(struct i915_hw_ppgtt *ppgtt,
@ -269,10 +271,26 @@ struct i915_hw_ppgtt {
int i915_gem_gtt_init(struct drm_device *dev);
void i915_gem_init_global_gtt(struct drm_device *dev);
void i915_gem_setup_global_gtt(struct drm_device *dev, unsigned long start,
int i915_gem_setup_global_gtt(struct drm_device *dev, unsigned long start,
unsigned long mappable_end, unsigned long end);
void i915_global_gtt_cleanup(struct drm_device *dev);
int i915_gem_init_ppgtt(struct drm_device *dev, struct i915_hw_ppgtt *ppgtt);
int i915_ppgtt_init(struct drm_device *dev, struct i915_hw_ppgtt *ppgtt);
int i915_ppgtt_init_hw(struct drm_device *dev);
void i915_ppgtt_release(struct kref *kref);
struct i915_hw_ppgtt *i915_ppgtt_create(struct drm_device *dev,
struct drm_i915_file_private *fpriv);
static inline void i915_ppgtt_get(struct i915_hw_ppgtt *ppgtt)
{
if (ppgtt)
kref_get(&ppgtt->ref);
}
static inline void i915_ppgtt_put(struct i915_hw_ppgtt *ppgtt)
{
if (ppgtt)
kref_put(&ppgtt->ref, i915_ppgtt_release);
}
void i915_check_and_clear_faults(struct drm_device *dev);
void i915_gem_suspend_gtt_mappings(struct drm_device *dev);

2
drivers/gpu/drm/i915/i915_gem_tiling.c
View File

@ -376,7 +376,7 @@ i915_gem_set_tiling(struct drm_device *dev, void *data,
if (ret == 0) {
obj->fence_dirty =
obj->fenced_gpu_access ||
obj->last_fenced_seqno ||
obj->fence_reg != I915_FENCE_REG_NONE;
obj->tiling_mode = args->tiling_mode;

84
drivers/gpu/drm/i915/i915_gpu_error.c
View File

@ -192,7 +192,7 @@ static void print_error_buffers(struct drm_i915_error_state_buf *m,
struct drm_i915_error_buffer *err,
int count)
{
err_printf(m, "%s [%d]:\n", name, count);
err_printf(m, " %s [%d]:\n", name, count);
while (count--) {
err_printf(m, " %08x %8u %02x %02x %x %x",
@ -393,15 +393,17 @@ int i915_error_state_to_str(struct drm_i915_error_state_buf *m,
i915_ring_error_state(m, dev, &error->ring[i]);
}
if (error->active_bo)
print_error_buffers(m, "Active",
error->active_bo[0],
error->active_bo_count[0]);
for (i = 0; i < error->vm_count; i++) {
err_printf(m, "vm[%d]\n", i);
print_error_buffers(m, "Active",
error->active_bo[i],
error->active_bo_count[i]);
if (error->pinned_bo)
print_error_buffers(m, "Pinned",
error->pinned_bo[0],
error->pinned_bo_count[0]);
error->pinned_bo[i],
error->pinned_bo_count[i]);
}
for (i = 0; i < ARRAY_SIZE(error->ring); i++) {
obj = error->ring[i].batchbuffer;
@ -644,13 +646,15 @@ unwind:
(src)->base.size>>PAGE_SHIFT)
static void capture_bo(struct drm_i915_error_buffer *err,
struct drm_i915_gem_object *obj)
struct i915_vma *vma)
{
struct drm_i915_gem_object *obj = vma->obj;
err->size = obj->base.size;
err->name = obj->base.name;
err->rseqno = obj->last_read_seqno;
err->wseqno = obj->last_write_seqno;
err->gtt_offset = i915_gem_obj_ggtt_offset(obj);
err->gtt_offset = vma->node.start;
err->read_domains = obj->base.read_domains;
err->write_domain = obj->base.write_domain;
err->fence_reg = obj->fence_reg;
@ -674,7 +678,7 @@ static u32 capture_active_bo(struct drm_i915_error_buffer *err,
int i = 0;
list_for_each_entry(vma, head, mm_list) {
capture_bo(err++, vma->obj);
capture_bo(err++, vma);
if (++i == count)
break;
}
@ -683,21 +687,27 @@ static u32 capture_active_bo(struct drm_i915_error_buffer *err,
}
static u32 capture_pinned_bo(struct drm_i915_error_buffer *err,
int count, struct list_head *head)
int count, struct list_head *head,
struct i915_address_space *vm)
{
struct drm_i915_gem_object *obj;
int i = 0;
struct drm_i915_error_buffer * const first = err;
struct drm_i915_error_buffer * const last = err + count;
list_for_each_entry(obj, head, global_list) {
if (!i915_gem_obj_is_pinned(obj))
continue;
struct i915_vma *vma;
capture_bo(err++, obj);
if (++i == count)
if (err == last)
break;
list_for_each_entry(vma, &obj->vma_list, vma_link)
if (vma->vm == vm && vma->pin_count > 0) {
capture_bo(err++, vma);
break;
}
}
return i;
return err - first;
}
/* Generate a semi-unique error code. The code is not meant to have meaning, The
@ -967,6 +977,12 @@ static void i915_gem_record_rings(struct drm_device *dev,
request = i915_gem_find_active_request(ring);
if (request) {
struct i915_address_space *vm;
vm = request->ctx && request->ctx->ppgtt ?
&request->ctx->ppgtt->base :
&dev_priv->gtt.base;
/* We need to copy these to an anonymous buffer
* as the simplest method to avoid being overwritten
* by userspace.
@ -974,9 +990,7 @@ static void i915_gem_record_rings(struct drm_device *dev,
error->ring[i].batchbuffer =
i915_error_object_create(dev_priv,
request->batch_obj,
request->ctx ?
request->ctx->vm :
&dev_priv->gtt.base);
vm);
if (HAS_BROKEN_CS_TLB(dev_priv->dev) &&
ring->scratch.obj)
@ -1049,9 +1063,14 @@ static void i915_gem_capture_vm(struct drm_i915_private *dev_priv,
list_for_each_entry(vma, &vm->active_list, mm_list)
i++;
error->active_bo_count[ndx] = i;
list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list)
if (i915_gem_obj_is_pinned(obj))
list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) {
list_for_each_entry(vma, &obj->vma_list, vma_link)
if (vma->vm == vm && vma->pin_count > 0) {
i++;
break;
}
}
error->pinned_bo_count[ndx] = i - error->active_bo_count[ndx];
if (i) {
@ -1070,7 +1089,7 @@ static void i915_gem_capture_vm(struct drm_i915_private *dev_priv,
error->pinned_bo_count[ndx] =
capture_pinned_bo(pinned_bo,
error->pinned_bo_count[ndx],
&dev_priv->mm.bound_list);
&dev_priv->mm.bound_list, vm);
error->active_bo[ndx] = active_bo;
error->pinned_bo[ndx] = pinned_bo;
}
@ -1091,8 +1110,25 @@ static void i915_gem_capture_buffers(struct drm_i915_private *dev_priv,
error->pinned_bo_count = kcalloc(cnt, sizeof(*error->pinned_bo_count),
GFP_ATOMIC);
if (error->active_bo == NULL ||
error->pinned_bo == NULL ||
error->active_bo_count == NULL ||
error->pinned_bo_count == NULL) {
kfree(error->active_bo);
kfree(error->active_bo_count);
kfree(error->pinned_bo);
kfree(error->pinned_bo_count);
error->active_bo = NULL;
error->active_bo_count = NULL;
error->pinned_bo = NULL;
error->pinned_bo_count = NULL;
} else {
list_for_each_entry(vm, &dev_priv->vm_list, global_link)
i915_gem_capture_vm(dev_priv, error, vm, i++);
error->vm_count = cnt;
}
}
/* Capture all registers which don't fit into another category. */

52
drivers/gpu/drm/i915/i915_irq.c
View File

@ -1322,10 +1322,10 @@ static u32 vlv_c0_residency(struct drm_i915_private *dev_priv,
* @dev_priv: DRM device private
*
*/
static u32 vlv_calc_delay_from_C0_counters(struct drm_i915_private *dev_priv)
static int vlv_calc_delay_from_C0_counters(struct drm_i915_private *dev_priv)
{
u32 residency_C0_up = 0, residency_C0_down = 0;
u8 new_delay, adj;
int new_delay, adj;
dev_priv->rps.ei_interrupt_count++;
@ -1627,6 +1627,7 @@ static irqreturn_t gen8_gt_irq_handler(struct drm_device *dev,
struct drm_i915_private *dev_priv,
u32 master_ctl)
{
struct intel_engine_cs *ring;
u32 rcs, bcs, vcs;
uint32_t tmp = 0;
irqreturn_t ret = IRQ_NONE;
@ -1636,12 +1637,20 @@ static irqreturn_t gen8_gt_irq_handler(struct drm_device *dev,
if (tmp) {
I915_WRITE(GEN8_GT_IIR(0), tmp);
ret = IRQ_HANDLED;
rcs = tmp >> GEN8_RCS_IRQ_SHIFT;
bcs = tmp >> GEN8_BCS_IRQ_SHIFT;
ring = &dev_priv->ring[RCS];
if (rcs & GT_RENDER_USER_INTERRUPT)
notify_ring(dev, &dev_priv->ring[RCS]);
notify_ring(dev, ring);
if (rcs & GT_CONTEXT_SWITCH_INTERRUPT)
intel_execlists_handle_ctx_events(ring);
bcs = tmp >> GEN8_BCS_IRQ_SHIFT;
ring = &dev_priv->ring[BCS];
if (bcs & GT_RENDER_USER_INTERRUPT)
notify_ring(dev, &dev_priv->ring[BCS]);
notify_ring(dev, ring);
if (bcs & GT_CONTEXT_SWITCH_INTERRUPT)
intel_execlists_handle_ctx_events(ring);
} else
DRM_ERROR("The master control interrupt lied (GT0)!\n");
}
@ -1651,12 +1660,20 @@ static irqreturn_t gen8_gt_irq_handler(struct drm_device *dev,
if (tmp) {
I915_WRITE(GEN8_GT_IIR(1), tmp);
ret = IRQ_HANDLED;
vcs = tmp >> GEN8_VCS1_IRQ_SHIFT;
ring = &dev_priv->ring[VCS];
if (vcs & GT_RENDER_USER_INTERRUPT)
notify_ring(dev, &dev_priv->ring[VCS]);
notify_ring(dev, ring);
if (vcs & GT_CONTEXT_SWITCH_INTERRUPT)
intel_execlists_handle_ctx_events(ring);
vcs = tmp >> GEN8_VCS2_IRQ_SHIFT;
ring = &dev_priv->ring[VCS2];
if (vcs & GT_RENDER_USER_INTERRUPT)
notify_ring(dev, &dev_priv->ring[VCS2]);
notify_ring(dev, ring);
if (vcs & GT_CONTEXT_SWITCH_INTERRUPT)
intel_execlists_handle_ctx_events(ring);
} else
DRM_ERROR("The master control interrupt lied (GT1)!\n");
}
@ -1677,9 +1694,13 @@ static irqreturn_t gen8_gt_irq_handler(struct drm_device *dev,
if (tmp) {
I915_WRITE(GEN8_GT_IIR(3), tmp);
ret = IRQ_HANDLED;
vcs = tmp >> GEN8_VECS_IRQ_SHIFT;
ring = &dev_priv->ring[VECS];
if (vcs & GT_RENDER_USER_INTERRUPT)
notify_ring(dev, &dev_priv->ring[VECS]);
notify_ring(dev, ring);
if (vcs & GT_CONTEXT_SWITCH_INTERRUPT)
intel_execlists_handle_ctx_events(ring);
} else
DRM_ERROR("The master control interrupt lied (GT3)!\n");
}
@ -1772,7 +1793,9 @@ static inline void intel_hpd_irq_handler(struct drm_device *dev,
long_hpd = (dig_hotplug_reg >> dig_shift) & PORTB_HOTPLUG_LONG_DETECT;
}
DRM_DEBUG_DRIVER("digital hpd port %d %d\n", port, long_hpd);
DRM_DEBUG_DRIVER("digital hpd port %c - %s\n",
port_name(port),
long_hpd ? "long" : "short");
/* for long HPD pulses we want to have the digital queue happen,
but we still want HPD storm detection to function. */
if (long_hpd) {
@ -3781,12 +3804,17 @@ static void gen8_gt_irq_postinstall(struct drm_i915_private *dev_priv)
/* These are interrupts we'll toggle with the ring mask register */
uint32_t gt_interrupts[] = {
GT_RENDER_USER_INTERRUPT << GEN8_RCS_IRQ_SHIFT |
GT_CONTEXT_SWITCH_INTERRUPT << GEN8_RCS_IRQ_SHIFT |
GT_RENDER_L3_PARITY_ERROR_INTERRUPT |
GT_RENDER_USER_INTERRUPT << GEN8_BCS_IRQ_SHIFT,
GT_RENDER_USER_INTERRUPT << GEN8_BCS_IRQ_SHIFT |
GT_CONTEXT_SWITCH_INTERRUPT << GEN8_BCS_IRQ_SHIFT,
GT_RENDER_USER_INTERRUPT << GEN8_VCS1_IRQ_SHIFT |
GT_RENDER_USER_INTERRUPT << GEN8_VCS2_IRQ_SHIFT,
GT_CONTEXT_SWITCH_INTERRUPT << GEN8_VCS1_IRQ_SHIFT |
GT_RENDER_USER_INTERRUPT << GEN8_VCS2_IRQ_SHIFT |
GT_CONTEXT_SWITCH_INTERRUPT << GEN8_VCS2_IRQ_SHIFT,
0,
GT_RENDER_USER_INTERRUPT << GEN8_VECS_IRQ_SHIFT
GT_RENDER_USER_INTERRUPT << GEN8_VECS_IRQ_SHIFT |
GT_CONTEXT_SWITCH_INTERRUPT << GEN8_VECS_IRQ_SHIFT
};
for (i = 0; i < ARRAY_SIZE(gt_interrupts); i++)

6
drivers/gpu/drm/i915/i915_params.c
View File

@ -35,6 +35,7 @@ struct i915_params i915 __read_mostly = {
.vbt_sdvo_panel_type = -1,
.enable_rc6 = -1,
.enable_fbc = -1,
.enable_execlists = 0,
.enable_hangcheck = true,
.enable_ppgtt = -1,
.enable_psr = 0,
@ -118,6 +119,11 @@ MODULE_PARM_DESC(enable_ppgtt,
"Override PPGTT usage. "
"(-1=auto [default], 0=disabled, 1=aliasing, 2=full)");
module_param_named(enable_execlists, i915.enable_execlists, int, 0400);
MODULE_PARM_DESC(enable_execlists,
"Override execlists usage. "
"(-1=auto, 0=disabled [default], 1=enabled)");
module_param_named(enable_psr, i915.enable_psr, int, 0600);
MODULE_PARM_DESC(enable_psr, "Enable PSR (default: false)");

7
drivers/gpu/drm/i915/i915_reg.h
View File

@ -272,6 +272,7 @@
#define MI_SEMAPHORE_POLL (1<<15)
#define MI_SEMAPHORE_SAD_GTE_SDD (1<<12)
#define MI_STORE_DWORD_IMM MI_INSTR(0x20, 1)
#define MI_STORE_DWORD_IMM_GEN8 MI_INSTR(0x20, 2)
#define MI_MEM_VIRTUAL (1 << 22) /* 965+ only */
#define MI_STORE_DWORD_INDEX MI_INSTR(0x21, 1)
#define MI_STORE_DWORD_INDEX_SHIFT 2
@ -282,6 +283,7 @@
* address/value pairs. Don't overdue it, though, x <= 2^4 must hold!
*/
#define MI_LOAD_REGISTER_IMM(x) MI_INSTR(0x22, 2*(x)-1)
#define MI_LRI_FORCE_POSTED (1<<12)
#define MI_STORE_REGISTER_MEM(x) MI_INSTR(0x24, 2*(x)-1)
#define MI_STORE_REGISTER_MEM_GEN8(x) MI_INSTR(0x24, 3*(x)-1)
#define MI_SRM_LRM_GLOBAL_GTT (1<<22)
@ -1085,6 +1087,7 @@ enum punit_power_well {
#define RING_ACTHD_UDW(base) ((base)+0x5c)
#define RING_NOPID(base) ((base)+0x94)
#define RING_IMR(base) ((base)+0xa8)
#define RING_HWSTAM(base) ((base)+0x98)
#define RING_TIMESTAMP(base) ((base)+0x358)
#define TAIL_ADDR 0x001FFFF8
#define HEAD_WRAP_COUNT 0xFFE00000
@ -1401,6 +1404,7 @@ enum punit_power_well {
#define GT_BSD_CS_ERROR_INTERRUPT (1 << 15)
#define GT_BSD_USER_INTERRUPT (1 << 12)
#define GT_RENDER_L3_PARITY_ERROR_INTERRUPT_S1 (1 << 11) /* hsw+; rsvd on snb, ivb, vlv */
#define GT_CONTEXT_SWITCH_INTERRUPT (1 << 8)
#define GT_RENDER_L3_PARITY_ERROR_INTERRUPT (1 << 5) /* !snb */
#define GT_RENDER_PIPECTL_NOTIFY_INTERRUPT (1 << 4)
#define GT_RENDER_CS_MASTER_ERROR_INTERRUPT (1 << 3)
@ -4124,7 +4128,8 @@ enum punit_power_well {
/* Old style CUR*CNTR flags (desktop 8xx) */
#define CURSOR_ENABLE 0x80000000
#define CURSOR_GAMMA_ENABLE 0x40000000
#define CURSOR_STRIDE_MASK 0x30000000
#define CURSOR_STRIDE_SHIFT 28
#define CURSOR_STRIDE(x) ((ffs(x)-9) << CURSOR_STRIDE_SHIFT) /* 256,512,1k,2k */
#define CURSOR_PIPE_CSC_ENABLE (1<<24)
#define CURSOR_FORMAT_SHIFT 24
#define CURSOR_FORMAT_MASK (0x07 << CURSOR_FORMAT_SHIFT)

6
drivers/gpu/drm/i915/intel_ddi.c
View File

@ -169,14 +169,14 @@ static void intel_prepare_ddi_buffers(struct drm_device *dev, enum port port)
ddi_translations_dp = bdw_ddi_translations_dp;
ddi_translations_edp = bdw_ddi_translations_edp;
ddi_translations_hdmi = bdw_ddi_translations_hdmi;
n_hdmi_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi);
n_hdmi_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi) / 2;
hdmi_800mV_0dB = 7;
} else if (IS_HASWELL(dev)) {
ddi_translations_fdi = hsw_ddi_translations_fdi;
ddi_translations_dp = hsw_ddi_translations_dp;
ddi_translations_edp = hsw_ddi_translations_dp;
ddi_translations_hdmi = hsw_ddi_translations_hdmi;
n_hdmi_entries = ARRAY_SIZE(hsw_ddi_translations_hdmi);
n_hdmi_entries = ARRAY_SIZE(hsw_ddi_translations_hdmi) / 2;
hdmi_800mV_0dB = 6;
} else {
WARN(1, "ddi translation table missing\n");
@ -184,7 +184,7 @@ static void intel_prepare_ddi_buffers(struct drm_device *dev, enum port port)
ddi_translations_fdi = bdw_ddi_translations_fdi;
ddi_translations_dp = bdw_ddi_translations_dp;
ddi_translations_hdmi = bdw_ddi_translations_hdmi;
n_hdmi_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi);
n_hdmi_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi) / 2;
hdmi_800mV_0dB = 7;
}

372
drivers/gpu/drm/i915/intel_display.c
View File

@ -1797,7 +1797,7 @@ static void intel_enable_shared_dpll(struct intel_crtc *crtc)
pll->on = true;
}
void intel_disable_shared_dpll(struct intel_crtc *crtc)
static void intel_disable_shared_dpll(struct intel_crtc *crtc)
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
@ -2082,35 +2082,28 @@ void intel_flush_primary_plane(struct drm_i915_private *dev_priv,
/**
* intel_enable_primary_hw_plane - enable the primary plane on a given pipe
* @dev_priv: i915 private structure
* @plane: plane to enable
* @pipe: pipe being fed
* @plane: plane to be enabled
* @crtc: crtc for the plane
*
* Enable @plane on @pipe, making sure that @pipe is running first.
* Enable @plane on @crtc, making sure that the pipe is running first.
*/
static void intel_enable_primary_hw_plane(struct drm_i915_private *dev_priv,
enum plane plane, enum pipe pipe)
static void intel_enable_primary_hw_plane(struct drm_plane *plane,
struct drm_crtc *crtc)
{
struct drm_device *dev = dev_priv->dev;
struct intel_crtc *intel_crtc =
to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]);
int reg;
u32 val;
struct drm_device *dev = plane->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
/* If the pipe isn't enabled, we can't pump pixels and may hang */
assert_pipe_enabled(dev_priv, pipe);
assert_pipe_enabled(dev_priv, intel_crtc->pipe);
if (intel_crtc->primary_enabled)
return;
intel_crtc->primary_enabled = true;
reg = DSPCNTR(plane);
val = I915_READ(reg);
WARN_ON(val & DISPLAY_PLANE_ENABLE);
I915_WRITE(reg, val | DISPLAY_PLANE_ENABLE);
intel_flush_primary_plane(dev_priv, plane);
dev_priv->display.update_primary_plane(crtc, plane->fb,
crtc->x, crtc->y);
/*
* BDW signals flip done immediately if the plane
@ -2123,31 +2116,27 @@ static void intel_enable_primary_hw_plane(struct drm_i915_private *dev_priv,
/**
* intel_disable_primary_hw_plane - disable the primary hardware plane
* @dev_priv: i915 private structure
* @plane: plane to disable
* @pipe: pipe consuming the data
* @plane: plane to be disabled
* @crtc: crtc for the plane
*
* Disable @plane; should be an independent operation.
* Disable @plane on @crtc, making sure that the pipe is running first.
*/
static void intel_disable_primary_hw_plane(struct drm_i915_private *dev_priv,
enum plane plane, enum pipe pipe)
static void intel_disable_primary_hw_plane(struct drm_plane *plane,
struct drm_crtc *crtc)
{
struct intel_crtc *intel_crtc =
to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]);
int reg;
u32 val;
struct drm_device *dev = plane->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
assert_pipe_enabled(dev_priv, intel_crtc->pipe);
if (!intel_crtc->primary_enabled)
return;
intel_crtc->primary_enabled = false;
reg = DSPCNTR(plane);
val = I915_READ(reg);
WARN_ON((val & DISPLAY_PLANE_ENABLE) == 0);
I915_WRITE(reg, val & ~DISPLAY_PLANE_ENABLE);
intel_flush_primary_plane(dev_priv, plane);
dev_priv->display.update_primary_plane(crtc, plane->fb,
crtc->x, crtc->y);
}
static bool need_vtd_wa(struct drm_device *dev)
@ -2388,12 +2377,35 @@ static void i9xx_update_primary_plane(struct drm_crtc *crtc,
int plane = intel_crtc->plane;
unsigned long linear_offset;
u32 dspcntr;
u32 reg;
u32 reg = DSPCNTR(plane);
if (!intel_crtc->primary_enabled) {
I915_WRITE(reg, 0);
if (INTEL_INFO(dev)->gen >= 4)
I915_WRITE(DSPSURF(plane), 0);
else
I915_WRITE(DSPADDR(plane), 0);
POSTING_READ(reg);
return;
}
dspcntr = DISPPLANE_GAMMA_ENABLE;
dspcntr |= DISPLAY_PLANE_ENABLE;
if (INTEL_INFO(dev)->gen < 4) {
if (intel_crtc->pipe == PIPE_B)
dspcntr |= DISPPLANE_SEL_PIPE_B;
/* pipesrc and dspsize control the size that is scaled from,
* which should always be the user's requested size.
*/
I915_WRITE(DSPSIZE(plane),
((intel_crtc->config.pipe_src_h - 1) << 16) |
(intel_crtc->config.pipe_src_w - 1));
I915_WRITE(DSPPOS(plane), 0);
}
reg = DSPCNTR(plane);
dspcntr = I915_READ(reg);
/* Mask out pixel format bits in case we change it */
dspcntr &= ~DISPPLANE_PIXFORMAT_MASK;
switch (fb->pixel_format) {
case DRM_FORMAT_C8:
dspcntr |= DISPPLANE_8BPP;
@ -2425,12 +2437,9 @@ static void i9xx_update_primary_plane(struct drm_crtc *crtc,
BUG();
}
if (INTEL_INFO(dev)->gen >= 4) {
if (obj->tiling_mode != I915_TILING_NONE)
if (INTEL_INFO(dev)->gen >= 4 &&
obj->tiling_mode != I915_TILING_NONE)
dspcntr |= DISPPLANE_TILED;
else
dspcntr &= ~DISPPLANE_TILED;
}
if (IS_G4X(dev))
dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE;
@ -2474,12 +2483,22 @@ static void ironlake_update_primary_plane(struct drm_crtc *crtc,
int plane = intel_crtc->plane;
unsigned long linear_offset;
u32 dspcntr;
u32 reg;
u32 reg = DSPCNTR(plane);
if (!intel_crtc->primary_enabled) {
I915_WRITE(reg, 0);
I915_WRITE(DSPSURF(plane), 0);
POSTING_READ(reg);
return;
}
dspcntr = DISPPLANE_GAMMA_ENABLE;
dspcntr |= DISPLAY_PLANE_ENABLE;
if (IS_HASWELL(dev) || IS_BROADWELL(dev))
dspcntr |= DISPPLANE_PIPE_CSC_ENABLE;
reg = DSPCNTR(plane);
dspcntr = I915_READ(reg);
/* Mask out pixel format bits in case we change it */
dspcntr &= ~DISPPLANE_PIXFORMAT_MASK;
switch (fb->pixel_format) {
case DRM_FORMAT_C8:
dspcntr |= DISPPLANE_8BPP;
@ -2509,12 +2528,8 @@ static void ironlake_update_primary_plane(struct drm_crtc *crtc,
if (obj->tiling_mode != I915_TILING_NONE)
dspcntr |= DISPPLANE_TILED;
else
dspcntr &= ~DISPPLANE_TILED;
if (IS_HASWELL(dev) || IS_BROADWELL(dev))
dspcntr &= ~DISPPLANE_TRICKLE_FEED_DISABLE;
else
if (!IS_HASWELL(dev) && !IS_BROADWELL(dev))
dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE;
I915_WRITE(reg, dspcntr);
@ -3873,14 +3888,12 @@ static void intel_crtc_dpms_overlay(struct intel_crtc *intel_crtc, bool enable)
static void intel_crtc_enable_planes(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
int pipe = intel_crtc->pipe;
int plane = intel_crtc->plane;
drm_vblank_on(dev, pipe);
intel_enable_primary_hw_plane(dev_priv, plane, pipe);
intel_enable_primary_hw_plane(crtc->primary, crtc);
intel_enable_planes(crtc);
intel_crtc_update_cursor(crtc, true);
intel_crtc_dpms_overlay(intel_crtc, true);
@ -3917,7 +3930,7 @@ static void intel_crtc_disable_planes(struct drm_crtc *crtc)
intel_crtc_dpms_overlay(intel_crtc, false);
intel_crtc_update_cursor(crtc, false);
intel_disable_planes(crtc);
intel_disable_primary_hw_plane(dev_priv, plane, pipe);
intel_disable_primary_hw_plane(crtc->primary, crtc);
/*
* FIXME: Once we grow proper nuclear flip support out of this we need
@ -3936,7 +3949,6 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc)
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
struct intel_encoder *encoder;
int pipe = intel_crtc->pipe;
enum plane plane = intel_crtc->plane;
WARN_ON(!crtc->enabled);
@ -3958,13 +3970,6 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc)
ironlake_set_pipeconf(crtc);
/* Set up the display plane register */
I915_WRITE(DSPCNTR(plane), DISPPLANE_GAMMA_ENABLE);
POSTING_READ(DSPCNTR(plane));
dev_priv->display.update_primary_plane(crtc, crtc->primary->fb,
crtc->x, crtc->y);
intel_crtc->active = true;
intel_set_cpu_fifo_underrun_reporting(dev, pipe, true);
@ -4049,7 +4054,6 @@ static void haswell_crtc_enable(struct drm_crtc *crtc)
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
struct intel_encoder *encoder;
int pipe = intel_crtc->pipe;
enum plane plane = intel_crtc->plane;
WARN_ON(!crtc->enabled);
@ -4073,13 +4077,6 @@ static void haswell_crtc_enable(struct drm_crtc *crtc)
intel_set_pipe_csc(crtc);
/* Set up the display plane register */
I915_WRITE(DSPCNTR(plane), DISPPLANE_GAMMA_ENABLE | DISPPLANE_PIPE_CSC_ENABLE);
POSTING_READ(DSPCNTR(plane));
dev_priv->display.update_primary_plane(crtc, crtc->primary->fb,
crtc->x, crtc->y);
intel_crtc->active = true;
intel_set_cpu_fifo_underrun_reporting(dev, pipe, true);
@ -4628,13 +4625,10 @@ static void valleyview_modeset_global_resources(struct drm_device *dev)
static void valleyview_crtc_enable(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
struct intel_encoder *encoder;
int pipe = intel_crtc->pipe;
int plane = intel_crtc->plane;
bool is_dsi;
u32 dspcntr;
WARN_ON(!crtc->enabled);
@ -4650,30 +4644,13 @@ static void valleyview_crtc_enable(struct drm_crtc *crtc)
vlv_prepare_pll(intel_crtc);
}
/* Set up the display plane register */
dspcntr = DISPPLANE_GAMMA_ENABLE;
if (intel_crtc->config.has_dp_encoder)
intel_dp_set_m_n(intel_crtc);
intel_set_pipe_timings(intel_crtc);
/* pipesrc and dspsize control the size that is scaled from,
* which should always be the user's requested size.
*/
I915_WRITE(DSPSIZE(plane),
((intel_crtc->config.pipe_src_h - 1) << 16) |
(intel_crtc->config.pipe_src_w - 1));
I915_WRITE(DSPPOS(plane), 0);
i9xx_set_pipeconf(intel_crtc);
I915_WRITE(DSPCNTR(plane), dspcntr);
POSTING_READ(DSPCNTR(plane));
dev_priv->display.update_primary_plane(crtc, crtc->primary->fb,
crtc->x, crtc->y);
intel_crtc->active = true;
intel_set_cpu_fifo_underrun_reporting(dev, pipe, true);
@ -4721,12 +4698,9 @@ static void i9xx_set_pll_dividers(struct intel_crtc *crtc)
static void i9xx_crtc_enable(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
struct intel_encoder *encoder;
int pipe = intel_crtc->pipe;
int plane = intel_crtc->plane;
u32 dspcntr;
WARN_ON(!crtc->enabled);
@ -4735,35 +4709,13 @@ static void i9xx_crtc_enable(struct drm_crtc *crtc)
i9xx_set_pll_dividers(intel_crtc);
/* Set up the display plane register */
dspcntr = DISPPLANE_GAMMA_ENABLE;
if (pipe == 0)
dspcntr &= ~DISPPLANE_SEL_PIPE_MASK;
else
dspcntr |= DISPPLANE_SEL_PIPE_B;
if (intel_crtc->config.has_dp_encoder)
intel_dp_set_m_n(intel_crtc);
intel_set_pipe_timings(intel_crtc);
/* pipesrc and dspsize control the size that is scaled from,
* which should always be the user's requested size.
*/
I915_WRITE(DSPSIZE(plane),
((intel_crtc->config.pipe_src_h - 1) << 16) |
(intel_crtc->config.pipe_src_w - 1));
I915_WRITE(DSPPOS(plane), 0);
i9xx_set_pipeconf(intel_crtc);
I915_WRITE(DSPCNTR(plane), dspcntr);
POSTING_READ(DSPCNTR(plane));
dev_priv->display.update_primary_plane(crtc, crtc->primary->fb,
crtc->x, crtc->y);
intel_crtc->active = true;
if (!IS_GEN2(dev))
@ -8095,28 +8047,54 @@ static void i845_update_cursor(struct drm_crtc *crtc, u32 base)
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
uint32_t cntl;
uint32_t cntl = 0, size = 0;
if (base != intel_crtc->cursor_base) {
/* On these chipsets we can only modify the base whilst
* the cursor is disabled.
if (base) {
unsigned int width = intel_crtc->cursor_width;
unsigned int height = intel_crtc->cursor_height;
unsigned int stride = roundup_pow_of_two(width) * 4;
switch (stride) {
default:
WARN_ONCE(1, "Invalid cursor width/stride, width=%u, stride=%u\n",
width, stride);
stride = 256;
/* fallthrough */
case 256:
case 512:
case 1024:
case 2048:
break;
}
cntl |= CURSOR_ENABLE |
CURSOR_GAMMA_ENABLE |
CURSOR_FORMAT_ARGB |
CURSOR_STRIDE(stride);
size = (height << 12) | width;
}
if (intel_crtc->cursor_cntl != 0 &&
(intel_crtc->cursor_base != base ||
intel_crtc->cursor_size != size ||
intel_crtc->cursor_cntl != cntl)) {
/* On these chipsets we can only modify the base/size/stride
* whilst the cursor is disabled.
*/
if (intel_crtc->cursor_cntl) {
I915_WRITE(_CURACNTR, 0);
POSTING_READ(_CURACNTR);
intel_crtc->cursor_cntl = 0;
}
if (intel_crtc->cursor_base != base)
I915_WRITE(_CURABASE, base);
POSTING_READ(_CURABASE);
if (intel_crtc->cursor_size != size) {
I915_WRITE(CURSIZE, size);
intel_crtc->cursor_size = size;
}
/* XXX width must be 64, stride 256 => 0x00 << 28 */
cntl = 0;
if (base)
cntl = (CURSOR_ENABLE |
CURSOR_GAMMA_ENABLE |
CURSOR_FORMAT_ARGB);
if (intel_crtc->cursor_cntl != cntl) {
I915_WRITE(_CURACNTR, cntl);
POSTING_READ(_CURACNTR);
@ -8151,43 +8129,6 @@ static void i9xx_update_cursor(struct drm_crtc *crtc, u32 base)
}
cntl |= pipe << 28; /* Connect to correct pipe */
}
if (intel_crtc->cursor_cntl != cntl) {
I915_WRITE(CURCNTR(pipe), cntl);
POSTING_READ(CURCNTR(pipe));
intel_crtc->cursor_cntl = cntl;
}
/* and commit changes on next vblank */
I915_WRITE(CURBASE(pipe), base);
POSTING_READ(CURBASE(pipe));
}
static void ivb_update_cursor(struct drm_crtc *crtc, u32 base)
{
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
int pipe = intel_crtc->pipe;
uint32_t cntl;
cntl = 0;
if (base) {
cntl = MCURSOR_GAMMA_ENABLE;
switch (intel_crtc->cursor_width) {
case 64:
cntl |= CURSOR_MODE_64_ARGB_AX;
break;
case 128:
cntl |= CURSOR_MODE_128_ARGB_AX;
break;
case 256:
cntl |= CURSOR_MODE_256_ARGB_AX;
break;
default:
WARN_ON(1);
return;
}
}
if (IS_HASWELL(dev) || IS_BROADWELL(dev))
cntl |= CURSOR_PIPE_CSC_ENABLE;
@ -8246,15 +8187,50 @@ static void intel_crtc_update_cursor(struct drm_crtc *crtc,
I915_WRITE(CURPOS(pipe), pos);
if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev) || IS_BROADWELL(dev))
ivb_update_cursor(crtc, base);
else if (IS_845G(dev) || IS_I865G(dev))
if (IS_845G(dev) || IS_I865G(dev))
i845_update_cursor(crtc, base);
else
i9xx_update_cursor(crtc, base);
intel_crtc->cursor_base = base;
}
static bool cursor_size_ok(struct drm_device *dev,
uint32_t width, uint32_t height)
{
if (width == 0 || height == 0)
return false;
/*
* 845g/865g are special in that they are only limited by
* the width of their cursors, the height is arbitrary up to
* the precision of the register. Everything else requires
* square cursors, limited to a few power-of-two sizes.
*/
if (IS_845G(dev) || IS_I865G(dev)) {
if ((width & 63) != 0)
return false;
if (width > (IS_845G(dev) ? 64 : 512))
return false;
if (height > 1023)
return false;
} else {
switch (width | height) {
case 256:
case 128:
if (IS_GEN2(dev))
return false;
case 64:
break;
default:
return false;
}
}
return true;
}
/*
* intel_crtc_cursor_set_obj - Set cursor to specified GEM object
*
@ -8267,10 +8243,9 @@ static int intel_crtc_cursor_set_obj(struct drm_crtc *crtc,
uint32_t width, uint32_t height)
{
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
enum pipe pipe = intel_crtc->pipe;
unsigned old_width;
unsigned old_width, stride;
uint32_t addr;
int ret;
@ -8284,14 +8259,13 @@ static int intel_crtc_cursor_set_obj(struct drm_crtc *crtc,
}
/* Check for which cursor types we support */
if (!((width == 64 && height == 64) ||
(width == 128 && height == 128 && !IS_GEN2(dev)) ||
(width == 256 && height == 256 && !IS_GEN2(dev)))) {
if (!cursor_size_ok(dev, width, height)) {
DRM_DEBUG("Cursor dimension not supported\n");
return -EINVAL;
}
if (obj->base.size < width * height * 4) {
stride = roundup_pow_of_two(width) * 4;
if (obj->base.size < stride * height) {
DRM_DEBUG_KMS("buffer is too small\n");
ret = -ENOMEM;
goto fail;
@ -8340,9 +8314,6 @@ static int intel_crtc_cursor_set_obj(struct drm_crtc *crtc,
addr = obj->phys_handle->busaddr;
}
if (IS_GEN2(dev))
I915_WRITE(CURSIZE, (height << 12) | width);
finish:
if (intel_crtc->cursor_bo) {
if (!INTEL_INFO(dev)->cursor_needs_physical)
@ -9577,6 +9548,8 @@ static bool use_mmio_flip(struct intel_engine_cs *ring,
return false;
else if (i915.use_mmio_flip > 0)
return true;
else if (i915.enable_execlists)
return true;
else
return ring != obj->ring;
}
@ -11380,7 +11353,6 @@ static int intel_crtc_set_config(struct drm_mode_set *set)
ret = intel_set_mode(set->crtc, set->mode,
set->x, set->y, set->fb);
} else if (config->fb_changed) {
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(set->crtc);
intel_crtc_wait_for_pending_flips(set->crtc);
@ -11394,8 +11366,7 @@ static int intel_crtc_set_config(struct drm_mode_set *set)
*/
if (!intel_crtc->primary_enabled && ret == 0) {
WARN_ON(!intel_crtc->active);
intel_enable_primary_hw_plane(dev_priv, intel_crtc->plane,
intel_crtc->pipe);
intel_enable_primary_hw_plane(set->crtc->primary, set->crtc);
}
/*
@ -11548,8 +11519,6 @@ static int
intel_primary_plane_disable(struct drm_plane *plane)
{
struct drm_device *dev = plane->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_plane *intel_plane = to_intel_plane(plane);
struct intel_crtc *intel_crtc;
if (!plane->fb)
@ -11572,8 +11541,8 @@ intel_primary_plane_disable(struct drm_plane *plane)
goto disable_unpin;
intel_crtc_wait_for_pending_flips(plane->crtc);
intel_disable_primary_hw_plane(dev_priv, intel_plane->plane,
intel_plane->pipe);
intel_disable_primary_hw_plane(plane, plane->crtc);
disable_unpin:
mutex_lock(&dev->struct_mutex);
i915_gem_track_fb(intel_fb_obj(plane->fb), NULL,
@ -11593,9 +11562,7 @@ intel_primary_plane_setplane(struct drm_plane *plane, struct drm_crtc *crtc,
uint32_t src_w, uint32_t src_h)
{
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
struct intel_plane *intel_plane = to_intel_plane(plane);
struct drm_i915_gem_object *obj = intel_fb_obj(fb);
struct drm_i915_gem_object *old_obj = intel_fb_obj(plane->fb);
struct drm_rect dest = {
@ -11682,9 +11649,7 @@ intel_primary_plane_setplane(struct drm_plane *plane, struct drm_crtc *crtc,
INTEL_FRONTBUFFER_PRIMARY(intel_crtc->pipe));
if (intel_crtc->primary_enabled)
intel_disable_primary_hw_plane(dev_priv,
intel_plane->plane,
intel_plane->pipe);
intel_disable_primary_hw_plane(plane, crtc);
if (plane->fb != fb)
@ -11701,8 +11666,7 @@ intel_primary_plane_setplane(struct drm_plane *plane, struct drm_crtc *crtc,
return ret;
if (!intel_crtc->primary_enabled)
intel_enable_primary_hw_plane(dev_priv, intel_crtc->plane,
intel_crtc->pipe);
intel_enable_primary_hw_plane(plane, crtc);
return 0;
}
@ -11811,6 +11775,10 @@ intel_cursor_plane_update(struct drm_plane *plane, struct drm_crtc *crtc,
return intel_crtc_cursor_set_obj(crtc, obj, crtc_w, crtc_h);
} else {
intel_crtc_update_cursor(crtc, visible);
intel_frontbuffer_flip(crtc->dev,
INTEL_FRONTBUFFER_CURSOR(intel_crtc->pipe));
return 0;
}
}
@ -11887,6 +11855,7 @@ static void intel_crtc_init(struct drm_device *dev, int pipe)
intel_crtc->cursor_base = ~0;
intel_crtc->cursor_cntl = ~0;
intel_crtc->cursor_size = ~0;
BUG_ON(pipe >= ARRAY_SIZE(dev_priv->plane_to_crtc_mapping) ||
dev_priv->plane_to_crtc_mapping[intel_crtc->plane] != NULL);
@ -12404,8 +12373,9 @@ static void intel_init_display(struct drm_device *dev)
dev_priv->display.get_display_clock_speed =
i830_get_display_clock_speed;
if (HAS_PCH_SPLIT(dev)) {
if (IS_GEN5(dev)) {
if (IS_G4X(dev)) {
dev_priv->display.write_eld = g4x_write_eld;
} else if (IS_GEN5(dev)) {
dev_priv->display.fdi_link_train = ironlake_fdi_link_train;
dev_priv->display.write_eld = ironlake_write_eld;
} else if (IS_GEN6(dev)) {
@ -12424,9 +12394,6 @@ static void intel_init_display(struct drm_device *dev)
dev_priv->display.write_eld = haswell_write_eld;
dev_priv->display.modeset_global_resources =
haswell_modeset_global_resources;
}
} else if (IS_G4X(dev)) {
dev_priv->display.write_eld = g4x_write_eld;
} else if (IS_VALLEYVIEW(dev)) {
dev_priv->display.modeset_global_resources =
valleyview_modeset_global_resources;
@ -12677,7 +12644,10 @@ void intel_modeset_init(struct drm_device *dev)
dev->mode_config.max_height = 8192;
}
if (IS_GEN2(dev)) {
if (IS_845G(dev) || IS_I865G(dev)) {
dev->mode_config.cursor_width = IS_845G(dev) ? 64 : 512;
dev->mode_config.cursor_height = 1023;
} else if (IS_GEN2(dev)) {
dev->mode_config.cursor_width = GEN2_CURSOR_WIDTH;
dev->mode_config.cursor_height = GEN2_CURSOR_HEIGHT;
} else {

3
drivers/gpu/drm/i915/intel_dp.c
View File

@ -4059,7 +4059,8 @@ intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, bool long_hpd)
if (intel_dig_port->base.type != INTEL_OUTPUT_EDP)
intel_dig_port->base.type = INTEL_OUTPUT_DISPLAYPORT;
DRM_DEBUG_KMS("got hpd irq on port %d - %s\n", intel_dig_port->port,
DRM_DEBUG_KMS("got hpd irq on port %c - %s\n",
port_name(intel_dig_port->port),
long_hpd ? "long" : "short");
power_domain = intel_display_port_power_domain(intel_encoder);

5
drivers/gpu/drm/i915/intel_drv.h
View File

@ -411,6 +411,7 @@ struct intel_crtc {
uint32_t cursor_addr;
int16_t cursor_width, cursor_height;
uint32_t cursor_cntl;
uint32_t cursor_size;
uint32_t cursor_base;
struct intel_plane_config plane_config;
@ -952,7 +953,7 @@ void intel_dvo_init(struct drm_device *dev);
extern int intel_fbdev_init(struct drm_device *dev);
extern void intel_fbdev_initial_config(struct drm_device *dev);
extern void intel_fbdev_fini(struct drm_device *dev);
extern void intel_fbdev_set_suspend(struct drm_device *dev, int state);
extern void intel_fbdev_set_suspend(struct drm_device *dev, int state, bool synchronous);
extern void intel_fbdev_output_poll_changed(struct drm_device *dev);
extern void intel_fbdev_restore_mode(struct drm_device *dev);
#else
@ -969,7 +970,7 @@ static inline void intel_fbdev_fini(struct drm_device *dev)
{
}
static inline void intel_fbdev_set_suspend(struct drm_device *dev, int state)
static inline void intel_fbdev_set_suspend(struct drm_device *dev, int state, bool synchronous)
{
}

44
drivers/gpu/drm/i915/intel_fbdev.c
View File

@ -26,6 +26,7 @@
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/console.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/mm.h>
@ -636,6 +637,15 @@ out:
return false;
}
static void intel_fbdev_suspend_worker(struct work_struct *work)
{
intel_fbdev_set_suspend(container_of(work,
struct drm_i915_private,
fbdev_suspend_work)->dev,
FBINFO_STATE_RUNNING,
true);
}
int intel_fbdev_init(struct drm_device *dev)
{
struct intel_fbdev *ifbdev;
@ -662,6 +672,8 @@ int intel_fbdev_init(struct drm_device *dev)
}
dev_priv->fbdev = ifbdev;
INIT_WORK(&dev_priv->fbdev_suspend_work, intel_fbdev_suspend_worker);
drm_fb_helper_single_add_all_connectors(&ifbdev->helper);
return 0;
@ -682,12 +694,14 @@ void intel_fbdev_fini(struct drm_device *dev)
if (!dev_priv->fbdev)
return;
flush_work(&dev_priv->fbdev_suspend_work);
intel_fbdev_destroy(dev, dev_priv->fbdev);
kfree(dev_priv->fbdev);
dev_priv->fbdev = NULL;
}
void intel_fbdev_set_suspend(struct drm_device *dev, int state)
void intel_fbdev_set_suspend(struct drm_device *dev, int state, bool synchronous)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_fbdev *ifbdev = dev_priv->fbdev;
@ -698,6 +712,33 @@ void intel_fbdev_set_suspend(struct drm_device *dev, int state)
info = ifbdev->helper.fbdev;
if (synchronous) {
/* Flush any pending work to turn the console on, and then
* wait to turn it off. It must be synchronous as we are
* about to suspend or unload the driver.
*
* Note that from within the work-handler, we cannot flush
* ourselves, so only flush outstanding work upon suspend!
*/
if (state != FBINFO_STATE_RUNNING)
flush_work(&dev_priv->fbdev_suspend_work);
console_lock();
} else {
/*
* The console lock can be pretty contented on resume due
* to all the printk activity. Try to keep it out of the hot
* path of resume if possible.
*/
WARN_ON(state != FBINFO_STATE_RUNNING);
if (!console_trylock()) {
/* Don't block our own workqueue as this can
* be run in parallel with other i915.ko tasks.
*/
schedule_work(&dev_priv->fbdev_suspend_work);
return;
}
}
/* On resume from hibernation: If the object is shmemfs backed, it has
* been restored from swap. If the object is stolen however, it will be
* full of whatever garbage was left in there.
@ -706,6 +747,7 @@ void intel_fbdev_set_suspend(struct drm_device *dev, int state)
memset_io(info->screen_base, 0, info->screen_size);
fb_set_suspend(info, state);
console_unlock();
}
void intel_fbdev_output_poll_changed(struct drm_device *dev)

1697
drivers/gpu/drm/i915/intel_lrc.c Normal file
View File

File diff suppressed because it is too large Load Diff

112
drivers/gpu/drm/i915/intel_lrc.h Normal file
View File

@ -0,0 +1,112 @@
/*
* Copyright © 2014 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef _INTEL_LRC_H_
#define _INTEL_LRC_H_
/* Execlists regs */
#define RING_ELSP(ring) ((ring)->mmio_base+0x230)
#define RING_EXECLIST_STATUS(ring) ((ring)->mmio_base+0x234)
#define RING_CONTEXT_CONTROL(ring) ((ring)->mmio_base+0x244)
#define RING_CONTEXT_STATUS_BUF(ring) ((ring)->mmio_base+0x370)
#define RING_CONTEXT_STATUS_PTR(ring) ((ring)->mmio_base+0x3a0)
/* Logical Rings */
void intel_logical_ring_stop(struct intel_engine_cs *ring);
void intel_logical_ring_cleanup(struct intel_engine_cs *ring);
int intel_logical_rings_init(struct drm_device *dev);
int logical_ring_flush_all_caches(struct intel_ringbuffer *ringbuf);
void intel_logical_ring_advance_and_submit(struct intel_ringbuffer *ringbuf);
/**
* intel_logical_ring_advance() - advance the ringbuffer tail
* @ringbuf: Ringbuffer to advance.
*
* The tail is only updated in our logical ringbuffer struct.
*/
static inline void intel_logical_ring_advance(struct intel_ringbuffer *ringbuf)
{
ringbuf->tail &= ringbuf->size - 1;
}
/**
* intel_logical_ring_emit() - write a DWORD to the ringbuffer.
* @ringbuf: Ringbuffer to write to.
* @data: DWORD to write.
*/
static inline void intel_logical_ring_emit(struct intel_ringbuffer *ringbuf,
u32 data)
{
iowrite32(data, ringbuf->virtual_start + ringbuf->tail);
ringbuf->tail += 4;
}
int intel_logical_ring_begin(struct intel_ringbuffer *ringbuf, int num_dwords);
/* Logical Ring Contexts */
void intel_lr_context_free(struct intel_context *ctx);
int intel_lr_context_deferred_create(struct intel_context *ctx,
struct intel_engine_cs *ring);
/* Execlists */
int intel_sanitize_enable_execlists(struct drm_device *dev, int enable_execlists);
int intel_execlists_submission(struct drm_device *dev, struct drm_file *file,
struct intel_engine_cs *ring,
struct intel_context *ctx,
struct drm_i915_gem_execbuffer2 *args,
struct list_head *vmas,
struct drm_i915_gem_object *batch_obj,
u64 exec_start, u32 flags);
u32 intel_execlists_ctx_id(struct drm_i915_gem_object *ctx_obj);
/**
* struct intel_ctx_submit_request - queued context submission request
* @ctx: Context to submit to the ELSP.
* @ring: Engine to submit it to.
* @tail: how far in the context's ringbuffer this request goes to.
* @execlist_link: link in the submission queue.
* @work: workqueue for processing this request in a bottom half.
* @elsp_submitted: no. of times this request has been sent to the ELSP.
*
* The ELSP only accepts two elements at a time, so we queue context/tail
* pairs on a given queue (ring->execlist_queue) until the hardware is
* available. The queue serves a double purpose: we also use it to keep track
* of the up to 2 contexts currently in the hardware (usually one in execution
* and the other queued up by the GPU): We only remove elements from the head
* of the queue when the hardware informs us that an element has been
* completed.
*
* All accesses to the queue are mediated by a spinlock (ring->execlist_lock).
*/
struct intel_ctx_submit_request {
struct intel_context *ctx;
struct intel_engine_cs *ring;
u32 tail;
struct list_head execlist_link;
struct work_struct work;
int elsp_submitted;
};
void intel_execlists_handle_ctx_events(struct intel_engine_cs *ring);
#endif /* _INTEL_LRC_H_ */

2
drivers/gpu/drm/i915/intel_pm.c
View File

@ -3719,7 +3719,6 @@ static void gen6_enable_rps(struct drm_device *dev)
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_engine_cs *ring;
u32 rp_state_cap;
u32 gt_perf_status;
u32 rc6vids, pcu_mbox = 0, rc6_mask = 0;
u32 gtfifodbg;
int rc6_mode;
@ -3744,7 +3743,6 @@ static void gen6_enable_rps(struct drm_device *dev)
gen6_gt_force_wake_get(dev_priv, FORCEWAKE_ALL);
rp_state_cap = I915_READ(GEN6_RP_STATE_CAP);
gt_perf_status = I915_READ(GEN6_GT_PERF_STATUS);
parse_rp_state_cap(dev_priv, rp_state_cap);

93
drivers/gpu/drm/i915/intel_ringbuffer.c
View File

@ -33,14 +33,24 @@
#include "i915_trace.h"
#include "intel_drv.h"
/* Early gen2 devices have a cacheline of just 32 bytes, using 64 is overkill,
* but keeps the logic simple. Indeed, the whole purpose of this macro is just
* to give some inclination as to some of the magic values used in the various
* workarounds!
*/
#define CACHELINE_BYTES 64
bool
intel_ring_initialized(struct intel_engine_cs *ring)
{
struct drm_device *dev = ring->dev;
static inline int __ring_space(int head, int tail, int size)
if (!dev)
return false;
if (i915.enable_execlists) {
struct intel_context *dctx = ring->default_context;
struct intel_ringbuffer *ringbuf = dctx->engine[ring->id].ringbuf;
return ringbuf->obj;
} else
return ring->buffer && ring->buffer->obj;
}
int __intel_ring_space(int head, int tail, int size)
{
int space = head - (tail + I915_RING_FREE_SPACE);
if (space < 0)
@ -48,12 +58,13 @@ static inline int __ring_space(int head, int tail, int size)
return space;
}
static inline int ring_space(struct intel_ringbuffer *ringbuf)
int intel_ring_space(struct intel_ringbuffer *ringbuf)
{
return __ring_space(ringbuf->head & HEAD_ADDR, ringbuf->tail, ringbuf->size);
return __intel_ring_space(ringbuf->head & HEAD_ADDR,
ringbuf->tail, ringbuf->size);
}
static bool intel_ring_stopped(struct intel_engine_cs *ring)
bool intel_ring_stopped(struct intel_engine_cs *ring)
{
struct drm_i915_private *dev_priv = ring->dev->dev_private;
return dev_priv->gpu_error.stop_rings & intel_ring_flag(ring);
@ -478,6 +489,11 @@ static bool stop_ring(struct intel_engine_cs *ring)
I915_WRITE_MODE(ring, _MASKED_BIT_ENABLE(STOP_RING));
if (wait_for((I915_READ_MODE(ring) & MODE_IDLE) != 0, 1000)) {
DRM_ERROR("%s : timed out trying to stop ring\n", ring->name);
/* Sometimes we observe that the idle flag is not
* set even though the ring is empty. So double
* check before giving up.
*/
if (I915_READ_HEAD(ring) != I915_READ_TAIL(ring))
return false;
}
}
@ -563,7 +579,7 @@ static int init_ring_common(struct intel_engine_cs *ring)
else {
ringbuf->head = I915_READ_HEAD(ring);
ringbuf->tail = I915_READ_TAIL(ring) & TAIL_ADDR;
ringbuf->space = ring_space(ringbuf);
ringbuf->space = intel_ring_space(ringbuf);
ringbuf->last_retired_head = -1;
}
@ -575,8 +591,25 @@ out:
return ret;
}
static int
init_pipe_control(struct intel_engine_cs *ring)
void
intel_fini_pipe_control(struct intel_engine_cs *ring)
{
struct drm_device *dev = ring->dev;
if (ring->scratch.obj == NULL)
return;
if (INTEL_INFO(dev)->gen >= 5) {
kunmap(sg_page(ring->scratch.obj->pages->sgl));
i915_gem_object_ggtt_unpin(ring->scratch.obj);
}
drm_gem_object_unreference(&ring->scratch.obj->base);
ring->scratch.obj = NULL;
}
int
intel_init_pipe_control(struct intel_engine_cs *ring)
{
int ret;
@ -651,7 +684,7 @@ static int init_render_ring(struct intel_engine_cs *ring)
_MASKED_BIT_ENABLE(GFX_REPLAY_MODE));
if (INTEL_INFO(dev)->gen >= 5) {
ret = init_pipe_control(ring);
ret = intel_init_pipe_control(ring);
if (ret)
return ret;
}
@ -686,16 +719,7 @@ static void render_ring_cleanup(struct intel_engine_cs *ring)
dev_priv->semaphore_obj = NULL;
}
if (ring->scratch.obj == NULL)
return;
if (INTEL_INFO(dev)->gen >= 5) {
kunmap(sg_page(ring->scratch.obj->pages->sgl));
i915_gem_object_ggtt_unpin(ring->scratch.obj);
}
drm_gem_object_unreference(&ring->scratch.obj->base);
ring->scratch.obj = NULL;
intel_fini_pipe_control(ring);
}
static int gen8_rcs_signal(struct intel_engine_cs *signaller,
@ -1514,7 +1538,7 @@ static int init_phys_status_page(struct intel_engine_cs *ring)
return 0;
}
static void intel_destroy_ringbuffer_obj(struct intel_ringbuffer *ringbuf)
void intel_destroy_ringbuffer_obj(struct intel_ringbuffer *ringbuf)
{
if (!ringbuf->obj)
return;
@ -1525,7 +1549,7 @@ static void intel_destroy_ringbuffer_obj(struct intel_ringbuffer *ringbuf)
ringbuf->obj = NULL;
}
static int intel_alloc_ringbuffer_obj(struct drm_device *dev,
int intel_alloc_ringbuffer_obj(struct drm_device *dev,
struct intel_ringbuffer *ringbuf)
{
struct drm_i915_private *dev_priv = to_i915(dev);
@ -1588,7 +1612,9 @@ static int intel_init_ring_buffer(struct drm_device *dev,
ring->dev = dev;
INIT_LIST_HEAD(&ring->active_list);
INIT_LIST_HEAD(&ring->request_list);
INIT_LIST_HEAD(&ring->execlist_queue);
ringbuf->size = 32 * PAGE_SIZE;
ringbuf->ring = ring;
memset(ring->semaphore.sync_seqno, 0, sizeof(ring->semaphore.sync_seqno));
init_waitqueue_head(&ring->irq_queue);
@ -1671,13 +1697,14 @@ static int intel_ring_wait_request(struct intel_engine_cs *ring, int n)
ringbuf->head = ringbuf->last_retired_head;
ringbuf->last_retired_head = -1;
ringbuf->space = ring_space(ringbuf);
ringbuf->space = intel_ring_space(ringbuf);
if (ringbuf->space >= n)
return 0;
}
list_for_each_entry(request, &ring->request_list, list) {
if (__ring_space(request->tail, ringbuf->tail, ringbuf->size) >= n) {
if (__intel_ring_space(request->tail, ringbuf->tail,
ringbuf->size) >= n) {
seqno = request->seqno;
break;
}
@ -1694,7 +1721,7 @@ static int intel_ring_wait_request(struct intel_engine_cs *ring, int n)
ringbuf->head = ringbuf->last_retired_head;
ringbuf->last_retired_head = -1;
ringbuf->space = ring_space(ringbuf);
ringbuf->space = intel_ring_space(ringbuf);
return 0;
}
@ -1723,7 +1750,7 @@ static int ring_wait_for_space(struct intel_engine_cs *ring, int n)
trace_i915_ring_wait_begin(ring);
do {
ringbuf->head = I915_READ_HEAD(ring);
ringbuf->space = ring_space(ringbuf);
ringbuf->space = intel_ring_space(ringbuf);
if (ringbuf->space >= n) {
ret = 0;
break;
@ -1775,7 +1802,7 @@ static int intel_wrap_ring_buffer(struct intel_engine_cs *ring)
iowrite32(MI_NOOP, virt++);
ringbuf->tail = 0;
ringbuf->space = ring_space(ringbuf);
ringbuf->space = intel_ring_space(ringbuf);
return 0;
}
@ -1980,9 +2007,7 @@ gen8_ring_dispatch_execbuffer(struct intel_engine_cs *ring,
u64 offset, u32 len,
unsigned flags)
{
struct drm_i915_private *dev_priv = ring->dev->dev_private;
bool ppgtt = dev_priv->mm.aliasing_ppgtt != NULL &&
!(flags & I915_DISPATCH_SECURE);
bool ppgtt = USES_PPGTT(ring->dev) && !(flags & I915_DISPATCH_SECURE);
int ret;
ret = intel_ring_begin(ring, 4);

44
drivers/gpu/drm/i915/intel_ringbuffer.h
View File

@ -5,6 +5,13 @@
#define I915_CMD_HASH_ORDER 9
/* Early gen2 devices have a cacheline of just 32 bytes, using 64 is overkill,
* but keeps the logic simple. Indeed, the whole purpose of this macro is just
* to give some inclination as to some of the magic values used in the various
* workarounds!
*/
#define CACHELINE_BYTES 64
/*
* Gen2 BSpec "1. Programming Environment" / 1.4.4.6 "Ring Buffer Use"
* Gen3 BSpec "vol1c Memory Interface Functions" / 2.3.4.5 "Ring Buffer Use"
@ -90,6 +97,15 @@ struct intel_ringbuffer {
struct drm_i915_gem_object *obj;
void __iomem *virtual_start;
struct intel_engine_cs *ring;
/*
* FIXME: This backpointer is an artifact of the history of how the
* execlist patches came into being. It will get removed once the basic
* code has landed.
*/
struct intel_context *FIXME_lrc_ctx;
u32 head;
u32 tail;
int space;
@ -214,6 +230,18 @@ struct intel_engine_cs {
unsigned int num_dwords);
} semaphore;
/* Execlists */
spinlock_t execlist_lock;
struct list_head execlist_queue;
u8 next_context_status_buffer;
u32 irq_keep_mask; /* bitmask for interrupts that should not be masked */
int (*emit_request)(struct intel_ringbuffer *ringbuf);
int (*emit_flush)(struct intel_ringbuffer *ringbuf,
u32 invalidate_domains,
u32 flush_domains);
int (*emit_bb_start)(struct intel_ringbuffer *ringbuf,
u64 offset, unsigned flags);
/**
* List of objects currently involved in rendering from the
* ringbuffer.
@ -287,11 +315,7 @@ struct intel_engine_cs {
u32 (*get_cmd_length_mask)(u32 cmd_header);
};
static inline bool
intel_ring_initialized(struct intel_engine_cs *ring)
{
return ring->buffer && ring->buffer->obj;
}
bool intel_ring_initialized(struct intel_engine_cs *ring);
static inline unsigned
intel_ring_flag(struct intel_engine_cs *ring)
@ -355,6 +379,10 @@ intel_write_status_page(struct intel_engine_cs *ring,
#define I915_GEM_HWS_SCRATCH_INDEX 0x30
#define I915_GEM_HWS_SCRATCH_ADDR (I915_GEM_HWS_SCRATCH_INDEX << MI_STORE_DWORD_INDEX_SHIFT)
void intel_destroy_ringbuffer_obj(struct intel_ringbuffer *ringbuf);
int intel_alloc_ringbuffer_obj(struct drm_device *dev,
struct intel_ringbuffer *ringbuf);
void intel_stop_ring_buffer(struct intel_engine_cs *ring);
void intel_cleanup_ring_buffer(struct intel_engine_cs *ring);
@ -372,6 +400,9 @@ static inline void intel_ring_advance(struct intel_engine_cs *ring)
struct intel_ringbuffer *ringbuf = ring->buffer;
ringbuf->tail &= ringbuf->size - 1;
}
int __intel_ring_space(int head, int tail, int size);
int intel_ring_space(struct intel_ringbuffer *ringbuf);
bool intel_ring_stopped(struct intel_engine_cs *ring);
void __intel_ring_advance(struct intel_engine_cs *ring);
int __must_check intel_ring_idle(struct intel_engine_cs *ring);
@ -379,6 +410,9 @@ void intel_ring_init_seqno(struct intel_engine_cs *ring, u32 seqno);
int intel_ring_flush_all_caches(struct intel_engine_cs *ring);
int intel_ring_invalidate_all_caches(struct intel_engine_cs *ring);
void intel_fini_pipe_control(struct intel_engine_cs *ring);
int intel_init_pipe_control(struct intel_engine_cs *ring);
int intel_init_render_ring_buffer(struct drm_device *dev);
int intel_init_bsd_ring_buffer(struct drm_device *dev);
int intel_init_bsd2_ring_buffer(struct drm_device *dev);

3
include/drm/drm_crtc.h
View File

@ -1127,6 +1127,9 @@ extern int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int drm_mode_plane_set_obj_prop(struct drm_plane *plane,
struct drm_property *property,
uint64_t value);
extern void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth,
int *bpp);