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drm-fixes for 5.3-rc3, take 2 

intel fixes (didn't have any ever since the main merge window pull):
 - gvt fixes (2 cc: stable)
 - fix gpu reset vs mm-shrinker vs wakeup fun (needed a few patches)
 - two gem locking fixes (one cc: stable)
 - pile of misc fixes all over with minor impact, 6 cc: stable, others
   from this window
 
 exynos:
 - misc minor fixes
 
 misc:
 - some build/Kconfig fixes
 - regression fix for vm scalability perf test which seems to mostly
   exercise dmesg/console logging ...
 - the vgem cache flush fix for arm64 broke the world on x86, so that's
   reverted again
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Merge tag 'drm-fixes-2019-08-02-1' of git://anongit.freedesktop.org/drm/drm

Pull more drm fixes from Daniel Vetter:
 "Dave sends his pull, everyone realizes they've been asleep at the
  wheel and hits send on their own pulls :-/

  Normally I'd just ignore these all because w/e for me and Dave. But
  this time around the latecomers also included drm-intel-fixes, which
  failed to send out a -fixes pull thus far for this release (screwed up
  vacation coverage, despite that 2/3 maintainers were around ... they
  all look appropriately guilty), and that really is overdue to get
  landed.

  And since I had to do a pull request anyway I pulled the other two
  late ones too.

  intel fixes (didn't have any ever since the main merge window pull):
   - gvt fixes (2 cc: stable)
   - fix gpu reset vs mm-shrinker vs wakeup fun (needed a few patches)
   - two gem locking fixes (one cc: stable)
   - pile of misc fixes all over with minor impact, 6 cc: stable, others
     from this window

  exynos:
   - misc minor fixes

  misc:
   - some build/Kconfig fixes
   - regression fix for vm scalability perf test which seems to mostly
     exercise dmesg/console logging ...
   - the vgem cache flush fix for arm64 broke the world on x86, so
     that's reverted again

* tag 'drm-fixes-2019-08-02-1' of git://anongit.freedesktop.org/drm/drm: (42 commits)
  Revert "drm/vgem: fix cache synchronization on arm/arm64"
  drm/exynos: fix missing decrement of retry counter
  drm/exynos: add CONFIG_MMU dependency
  drm/exynos: remove redundant assignment to pointer 'node'
  drm/exynos: using dev_get_drvdata directly
  drm/bochs: Use shadow buffer for bochs framebuffer console
  drm/fb-helper: Instanciate shadow FB if configured in device's mode_config
  drm/fb-helper: Map DRM client buffer only when required
  drm/client: Support unmapping of DRM client buffers
  drm/i915: Only recover active engines
  drm/i915: Add a wakeref getter for iff the wakeref is already active
  drm/i915: Lift intel_engines_resume() to callers
  drm/vgem: fix cache synchronization on arm/arm64
  drm/i810: Use CONFIG_PREEMPTION
  drm/bridge: tc358764: Fix build error
  drm/bridge: lvds-encoder: Fix build error while CONFIG_DRM_KMS_HELPER=m
  drm/i915/gvt: Adding ppgtt to GVT GEM context after shadow pdps settled.
  drm/i915/gvt: grab runtime pm first for forcewake use
  drm/i915/gvt: fix incorrect cache entry for guest page mapping
  drm/i915/gvt: Checking workload's gma earlier
  ...
This commit is contained in:
Linus Torvalds 2019-08-02 18:53:51 -07:00
parent 4f1a6ef1df 9c8c9c7cdb
commit 0e31225f99
48 changed files with 527 additions and 257 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/Kconfig
View File

@ -394,7 +394,7 @@ config DRM_R128
config DRM_I810
tristate "Intel I810"
# !PREEMPT because of missing ioctl locking
depends on DRM && AGP && AGP_INTEL && (!PREEMPT || BROKEN)
depends on DRM && AGP && AGP_INTEL && (!PREEMPTION || BROKEN)
help
Choose this option if you have an Intel I810 graphics card. If M is
selected, the module will be called i810. AGP support is required

1
drivers/gpu/drm/bochs/bochs_kms.c
View File

@ -191,6 +191,7 @@ int bochs_kms_init(struct bochs_device *bochs)
bochs->dev->mode_config.fb_base = bochs->fb_base;
bochs->dev->mode_config.preferred_depth = 24;
bochs->dev->mode_config.prefer_shadow = 0;
bochs->dev->mode_config.prefer_shadow_fbdev = 1;
bochs->dev->mode_config.quirk_addfb_prefer_host_byte_order = true;
bochs->dev->mode_config.funcs = &bochs_mode_funcs;

4
drivers/gpu/drm/bridge/Kconfig
View File

@ -48,6 +48,7 @@ config DRM_DUMB_VGA_DAC
config DRM_LVDS_ENCODER
tristate "Transparent parallel to LVDS encoder support"
depends on OF
select DRM_KMS_HELPER
select DRM_PANEL_BRIDGE
help
Support for transparent parallel to LVDS encoders that don't require
@ -116,9 +117,10 @@ config DRM_THINE_THC63LVD1024
config DRM_TOSHIBA_TC358764
tristate "TC358764 DSI/LVDS bridge"
depends on DRM && DRM_PANEL
depends on OF
select DRM_MIPI_DSI
select DRM_KMS_HELPER
select DRM_PANEL
help
Toshiba TC358764 DSI/LVDS bridge driver.

62
drivers/gpu/drm/drm_client.c
View File

@ -254,7 +254,6 @@ drm_client_buffer_create(struct drm_client_dev *client, u32 width, u32 height, u
struct drm_device *dev = client->dev;
struct drm_client_buffer *buffer;
struct drm_gem_object *obj;
void *vaddr;
int ret;
buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
@ -281,6 +280,36 @@ drm_client_buffer_create(struct drm_client_dev *client, u32 width, u32 height, u
buffer->gem = obj;
return buffer;
err_delete:
drm_client_buffer_delete(buffer);
return ERR_PTR(ret);
}
/**
* drm_client_buffer_vmap - Map DRM client buffer into address space
* @buffer: DRM client buffer
*
* This function maps a client buffer into kernel address space. If the
* buffer is already mapped, it returns the mapping's address.
*
* Client buffer mappings are not ref'counted. Each call to
* drm_client_buffer_vmap() should be followed by a call to
* drm_client_buffer_vunmap(); or the client buffer should be mapped
* throughout its lifetime.
*
* Returns:
* The mapped memory's address
*/
void *drm_client_buffer_vmap(struct drm_client_buffer *buffer)
{
void *vaddr;
if (buffer->vaddr)
return buffer->vaddr;
/*
* FIXME: The dependency on GEM here isn't required, we could
* convert the driver handle to a dma-buf instead and use the
@ -289,21 +318,30 @@ drm_client_buffer_create(struct drm_client_dev *client, u32 width, u32 height, u
* fd_install step out of the driver backend hooks, to make that
* final step optional for internal users.
*/
vaddr = drm_gem_vmap(obj);
if (IS_ERR(vaddr)) {
ret = PTR_ERR(vaddr);
goto err_delete;
}
vaddr = drm_gem_vmap(buffer->gem);
if (IS_ERR(vaddr))
return vaddr;
buffer->vaddr = vaddr;
return buffer;
err_delete:
drm_client_buffer_delete(buffer);
return ERR_PTR(ret);
return vaddr;
}
EXPORT_SYMBOL(drm_client_buffer_vmap);
/**
* drm_client_buffer_vunmap - Unmap DRM client buffer
* @buffer: DRM client buffer
*
* This function removes a client buffer's memory mapping. Calling this
* function is only required by clients that manage their buffer mappings
* by themselves.
*/
void drm_client_buffer_vunmap(struct drm_client_buffer *buffer)
{
drm_gem_vunmap(buffer->gem, buffer->vaddr);
buffer->vaddr = NULL;
}
EXPORT_SYMBOL(drm_client_buffer_vunmap);
static void drm_client_buffer_rmfb(struct drm_client_buffer *buffer)
{

51
drivers/gpu/drm/drm_fb_helper.c
View File

@ -403,6 +403,7 @@ static void drm_fb_helper_dirty_work(struct work_struct *work)
struct drm_clip_rect *clip = &helper->dirty_clip;
struct drm_clip_rect clip_copy;
unsigned long flags;
void *vaddr;
spin_lock_irqsave(&helper->dirty_lock, flags);
clip_copy = *clip;
@ -412,10 +413,20 @@ static void drm_fb_helper_dirty_work(struct work_struct *work)
/* call dirty callback only when it has been really touched */
if (clip_copy.x1 < clip_copy.x2 && clip_copy.y1 < clip_copy.y2) {
/* Generic fbdev uses a shadow buffer */
if (helper->buffer)
if (helper->buffer) {
vaddr = drm_client_buffer_vmap(helper->buffer);
if (IS_ERR(vaddr))
return;
drm_fb_helper_dirty_blit_real(helper, &clip_copy);
helper->fb->funcs->dirty(helper->fb, NULL, 0, 0, &clip_copy, 1);
}
if (helper->fb->funcs->dirty)
helper->fb->funcs->dirty(helper->fb, NULL, 0, 0,
&clip_copy, 1);
if (helper->buffer)
drm_client_buffer_vunmap(helper->buffer);
}
}
@ -604,6 +615,16 @@ void drm_fb_helper_unlink_fbi(struct drm_fb_helper *fb_helper)
}
EXPORT_SYMBOL(drm_fb_helper_unlink_fbi);
static bool drm_fbdev_use_shadow_fb(struct drm_fb_helper *fb_helper)
{
struct drm_device *dev = fb_helper->dev;
struct drm_framebuffer *fb = fb_helper->fb;
return dev->mode_config.prefer_shadow_fbdev ||
dev->mode_config.prefer_shadow ||
fb->funcs->dirty;
}
static void drm_fb_helper_dirty(struct fb_info *info, u32 x, u32 y,
u32 width, u32 height)
{
@ -611,7 +632,7 @@ static void drm_fb_helper_dirty(struct fb_info *info, u32 x, u32 y,
struct drm_clip_rect *clip = &helper->dirty_clip;
unsigned long flags;
if (!helper->fb->funcs->dirty)
if (!drm_fbdev_use_shadow_fb(helper))
return;
spin_lock_irqsave(&helper->dirty_lock, flags);
@ -2178,6 +2199,7 @@ int drm_fb_helper_generic_probe(struct drm_fb_helper *fb_helper,
struct drm_framebuffer *fb;
struct fb_info *fbi;
u32 format;
void *vaddr;
DRM_DEBUG_KMS("surface width(%d), height(%d) and bpp(%d)\n",
sizes->surface_width, sizes->surface_height,
@ -2200,16 +2222,10 @@ int drm_fb_helper_generic_probe(struct drm_fb_helper *fb_helper,
fbi->fbops = &drm_fbdev_fb_ops;
fbi->screen_size = fb->height * fb->pitches[0];
fbi->fix.smem_len = fbi->screen_size;
fbi->screen_buffer = buffer->vaddr;
/* Shamelessly leak the physical address to user-space */
#if IS_ENABLED(CONFIG_DRM_FBDEV_LEAK_PHYS_SMEM)
if (drm_leak_fbdev_smem && fbi->fix.smem_start == 0)
fbi->fix.smem_start =
page_to_phys(virt_to_page(fbi->screen_buffer));
#endif
drm_fb_helper_fill_info(fbi, fb_helper, sizes);
if (fb->funcs->dirty) {
if (drm_fbdev_use_shadow_fb(fb_helper)) {
struct fb_ops *fbops;
void *shadow;
@ -2231,6 +2247,19 @@ int drm_fb_helper_generic_probe(struct drm_fb_helper *fb_helper,
fbi->fbdefio = &drm_fbdev_defio;
fb_deferred_io_init(fbi);
} else {
/* buffer is mapped for HW framebuffer */
vaddr = drm_client_buffer_vmap(fb_helper->buffer);
if (IS_ERR(vaddr))
return PTR_ERR(vaddr);
fbi->screen_buffer = vaddr;
/* Shamelessly leak the physical address to user-space */
#if IS_ENABLED(CONFIG_DRM_FBDEV_LEAK_PHYS_SMEM)
if (drm_leak_fbdev_smem && fbi->fix.smem_start == 0)
fbi->fix.smem_start =
page_to_phys(virt_to_page(fbi->screen_buffer));
#endif
}
return 0;

1
drivers/gpu/drm/exynos/Kconfig
View File

@ -2,6 +2,7 @@
config DRM_EXYNOS
tristate "DRM Support for Samsung SoC EXYNOS Series"
depends on OF && DRM && (ARCH_S3C64XX || ARCH_S5PV210 || ARCH_EXYNOS || ARCH_MULTIPLATFORM || COMPILE_TEST)
depends on MMU
select DRM_KMS_HELPER
select VIDEOMODE_HELPERS
select SND_SOC_HDMI_CODEC if SND_SOC

2
drivers/gpu/drm/exynos/exynos_drm_fimc.c
View File

@ -44,7 +44,7 @@ static unsigned int fimc_mask = 0xc;
module_param_named(fimc_devs, fimc_mask, uint, 0644);
MODULE_PARM_DESC(fimc_devs, "Alias mask for assigning FIMC devices to Exynos DRM");
#define get_fimc_context(dev) platform_get_drvdata(to_platform_device(dev))
#define get_fimc_context(dev) dev_get_drvdata(dev)
enum {
FIMC_CLK_LCLK,

2
drivers/gpu/drm/exynos/exynos_drm_g2d.c
View File

@ -267,7 +267,7 @@ static inline void g2d_hw_reset(struct g2d_data *g2d)
static int g2d_init_cmdlist(struct g2d_data *g2d)
{
struct device *dev = g2d->dev;
struct g2d_cmdlist_node *node = g2d->cmdlist_node;
struct g2d_cmdlist_node *node;
int nr;
int ret;
struct g2d_buf_info *buf_info;

2
drivers/gpu/drm/exynos/exynos_drm_gsc.c
View File

@ -58,7 +58,7 @@
#define GSC_COEF_DEPTH 3
#define GSC_AUTOSUSPEND_DELAY 2000
#define get_gsc_context(dev) platform_get_drvdata(to_platform_device(dev))
#define get_gsc_context(dev) dev_get_drvdata(dev)
#define gsc_read(offset) readl(ctx->regs + (offset))
#define gsc_write(cfg, offset) writel(cfg, ctx->regs + (offset))

4
drivers/gpu/drm/exynos/exynos_drm_scaler.c
View File

@ -94,12 +94,12 @@ static inline int scaler_reset(struct scaler_context *scaler)
scaler_write(SCALER_CFG_SOFT_RESET, SCALER_CFG);
do {
cpu_relax();
} while (retry > 1 &&
} while (--retry > 1 &&
scaler_read(SCALER_CFG) & SCALER_CFG_SOFT_RESET);
do {
cpu_relax();
scaler_write(1, SCALER_INT_EN);
} while (retry > 0 && scaler_read(SCALER_INT_EN) != 1);
} while (--retry > 0 && scaler_read(SCALER_INT_EN) != 1);
return retry ? 0 : -EIO;
}

2
drivers/gpu/drm/i915/display/intel_bios.c
View File

@ -765,7 +765,7 @@ parse_psr(struct drm_i915_private *dev_priv, const struct bdb_header *bdb)
}
if (bdb->version >= 226) {
u32 wakeup_time = psr_table->psr2_tp2_tp3_wakeup_time;
u32 wakeup_time = psr->psr2_tp2_tp3_wakeup_time;
wakeup_time = (wakeup_time >> (2 * panel_type)) & 0x3;
switch (wakeup_time) {

15
drivers/gpu/drm/i915/display/intel_bw.c
View File

@ -178,6 +178,8 @@ static int icl_get_bw_info(struct drm_i915_private *dev_priv)
clpchgroup = (sa->deburst * deinterleave / num_channels) << i;
bi->num_planes = (ipqdepth - clpchgroup) / clpchgroup + 1;
bi->num_qgv_points = qi.num_points;
for (j = 0; j < qi.num_points; j++) {
const struct intel_qgv_point *sp = &qi.points[j];
int ct, bw;
@ -195,7 +197,7 @@ static int icl_get_bw_info(struct drm_i915_private *dev_priv)
bi->deratedbw[j] = min(maxdebw,
bw * 9 / 10); /* 90% */
DRM_DEBUG_KMS("BW%d / QGV %d: num_planes=%d deratedbw=%d\n",
DRM_DEBUG_KMS("BW%d / QGV %d: num_planes=%d deratedbw=%u\n",
i, j, bi->num_planes, bi->deratedbw[j]);
}
@ -211,14 +213,17 @@ static unsigned int icl_max_bw(struct drm_i915_private *dev_priv,
{
int i;
/* Did we initialize the bw limits successfully? */
if (dev_priv->max_bw[0].num_planes == 0)
return UINT_MAX;
for (i = 0; i < ARRAY_SIZE(dev_priv->max_bw); i++) {
const struct intel_bw_info *bi =
&dev_priv->max_bw[i];
/*
* Pcode will not expose all QGV points when
* SAGV is forced to off/min/med/max.
*/
if (qgv_point >= bi->num_qgv_points)
return UINT_MAX;
if (num_planes >= bi->num_planes)
return bi->deratedbw[qgv_point];
}

11
drivers/gpu/drm/i915/display/intel_cdclk.c
View File

@ -2239,6 +2239,17 @@ int intel_crtc_compute_min_cdclk(const struct intel_crtc_state *crtc_state)
if (crtc_state->has_audio && INTEL_GEN(dev_priv) >= 9)
min_cdclk = max(2 * 96000, min_cdclk);
/*
* "For DP audio configuration, cdclk frequency shall be set to
* meet the following requirements:
* DP Link Frequency(MHz) | Cdclk frequency(MHz)
* 270 | 320 or higher
* 162 | 200 or higher"
*/
if ((IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) &&
intel_crtc_has_dp_encoder(crtc_state) && crtc_state->has_audio)
min_cdclk = max(crtc_state->port_clock, min_cdclk);
/*
* On Valleyview some DSI panels lose (v|h)sync when the clock is lower
* than 320000KHz.

4
drivers/gpu/drm/i915/display/intel_display.c
View File

@ -1839,7 +1839,7 @@ static void intel_enable_pipe(const struct intel_crtc_state *new_crtc_state)
/* FIXME: assert CPU port conditions for SNB+ */
}
trace_intel_pipe_enable(dev_priv, pipe);
trace_intel_pipe_enable(crtc);
reg = PIPECONF(cpu_transcoder);
val = I915_READ(reg);
@ -1880,7 +1880,7 @@ static void intel_disable_pipe(const struct intel_crtc_state *old_crtc_state)
*/
assert_planes_disabled(crtc);
trace_intel_pipe_disable(dev_priv, pipe);
trace_intel_pipe_disable(crtc);
reg = PIPECONF(cpu_transcoder);
val = I915_READ(reg);

11
drivers/gpu/drm/i915/display/intel_display_power.c
View File

@ -438,16 +438,23 @@ icl_combo_phy_aux_power_well_disable(struct drm_i915_private *dev_priv,
#define ICL_AUX_PW_TO_CH(pw_idx) \
((pw_idx) - ICL_PW_CTL_IDX_AUX_A + AUX_CH_A)
#define ICL_TBT_AUX_PW_TO_CH(pw_idx) \
((pw_idx) - ICL_PW_CTL_IDX_AUX_TBT1 + AUX_CH_C)
static void
icl_tc_phy_aux_power_well_enable(struct drm_i915_private *dev_priv,
struct i915_power_well *power_well)
{
enum aux_ch aux_ch = ICL_AUX_PW_TO_CH(power_well->desc->hsw.idx);
int pw_idx = power_well->desc->hsw.idx;
bool is_tbt = power_well->desc->hsw.is_tc_tbt;
enum aux_ch aux_ch;
u32 val;
aux_ch = is_tbt ? ICL_TBT_AUX_PW_TO_CH(pw_idx) :
ICL_AUX_PW_TO_CH(pw_idx);
val = I915_READ(DP_AUX_CH_CTL(aux_ch));
val &= ~DP_AUX_CH_CTL_TBT_IO;
if (power_well->desc->hsw.is_tc_tbt)
if (is_tbt)
val |= DP_AUX_CH_CTL_TBT_IO;
I915_WRITE(DP_AUX_CH_CTL(aux_ch), val);

6
drivers/gpu/drm/i915/display/intel_vbt_defs.h
View File

@ -478,13 +478,13 @@ struct psr_table {
/* TP wake up time in multiple of 100 */
u16 tp1_wakeup_time;
u16 tp2_tp3_wakeup_time;
/* PSR2 TP2/TP3 wakeup time for 16 panels */
u32 psr2_tp2_tp3_wakeup_time;
} __packed;
struct bdb_psr {
struct psr_table psr_table[16];
/* PSR2 TP2/TP3 wakeup time for 16 panels */
u32 psr2_tp2_tp3_wakeup_time;
} __packed;
/*

7
drivers/gpu/drm/i915/gem/i915_gem_pm.c
View File

@ -253,14 +253,15 @@ void i915_gem_resume(struct drm_i915_private *i915)
i915_gem_restore_gtt_mappings(i915);
i915_gem_restore_fences(i915);
if (i915_gem_init_hw(i915))
goto err_wedged;
/*
* As we didn't flush the kernel context before suspend, we cannot
* guarantee that the context image is complete. So let's just reset
* it and start again.
*/
intel_gt_resume(i915);
if (i915_gem_init_hw(i915))
if (intel_gt_resume(i915))
goto err_wedged;
intel_uc_resume(i915);

10
drivers/gpu/drm/i915/gem/i915_gem_userptr.c
View File

@ -664,7 +664,15 @@ i915_gem_userptr_put_pages(struct drm_i915_gem_object *obj,
for_each_sgt_page(page, sgt_iter, pages) {
if (obj->mm.dirty)
set_page_dirty(page);
/*
* As this may not be anonymous memory (e.g. shmem)
* but exist on a real mapping, we have to lock
* the page in order to dirty it -- holding
* the page reference is not sufficient to
* prevent the inode from being truncated.
* Play safe and take the lock.
*/
set_page_dirty_lock(page);
mark_page_accessed(page);
put_page(page);

27
drivers/gpu/drm/i915/gt/intel_context.c
View File

@ -126,6 +126,7 @@ static void intel_context_retire(struct i915_active *active)
if (ce->state)
__context_unpin_state(ce->state);
intel_ring_unpin(ce->ring);
intel_context_put(ce);
}
@ -160,27 +161,35 @@ int intel_context_active_acquire(struct intel_context *ce, unsigned long flags)
intel_context_get(ce);
err = intel_ring_pin(ce->ring);
if (err)
goto err_put;
if (!ce->state)
return 0;
err = __context_pin_state(ce->state, flags);
if (err) {
i915_active_cancel(&ce->active);
intel_context_put(ce);
return err;
}
if (err)
goto err_ring;
/* Preallocate tracking nodes */
if (!i915_gem_context_is_kernel(ce->gem_context)) {
err = i915_active_acquire_preallocate_barrier(&ce->active,
ce->engine);
if (err) {
i915_active_release(&ce->active);
return err;
}
if (err)
goto err_state;
}
return 0;
err_state:
__context_unpin_state(ce->state);
err_ring:
intel_ring_unpin(ce->ring);
err_put:
intel_context_put(ce);
i915_active_cancel(&ce->active);
return err;
}
void intel_context_active_release(struct intel_context *ce)

20
drivers/gpu/drm/i915/gt/intel_engine_cs.c
View File

@ -969,9 +969,14 @@ const char *i915_cache_level_str(struct drm_i915_private *i915, int type)
u32 intel_calculate_mcr_s_ss_select(struct drm_i915_private *dev_priv)
{
const struct sseu_dev_info *sseu = &RUNTIME_INFO(dev_priv)->sseu;
unsigned int slice = fls(sseu->slice_mask) - 1;
unsigned int subslice;
u32 mcr_s_ss_select;
u32 slice = fls(sseu->slice_mask);
u32 subslice = fls(sseu->subslice_mask[slice]);
GEM_BUG_ON(slice >= ARRAY_SIZE(sseu->subslice_mask));
subslice = fls(sseu->subslice_mask[slice]);
GEM_BUG_ON(!subslice);
subslice--;
if (IS_GEN(dev_priv, 10))
mcr_s_ss_select = GEN8_MCR_SLICE(slice) |
@ -1471,6 +1476,7 @@ void intel_engine_dump(struct intel_engine_cs *engine,
struct i915_gpu_error * const error = &engine->i915->gpu_error;
struct i915_request *rq;
intel_wakeref_t wakeref;
unsigned long flags;
if (header) {
va_list ap;
@ -1490,10 +1496,9 @@ void intel_engine_dump(struct intel_engine_cs *engine,
i915_reset_engine_count(error, engine),
i915_reset_count(error));
rcu_read_lock();
drm_printf(m, "\tRequests:\n");
spin_lock_irqsave(&engine->active.lock, flags);
rq = intel_engine_find_active_request(engine);
if (rq) {
print_request(m, rq, "\t\tactive ");
@ -1513,8 +1518,7 @@ void intel_engine_dump(struct intel_engine_cs *engine,
print_request_ring(m, rq);
}
rcu_read_unlock();
spin_unlock_irqrestore(&engine->active.lock, flags);
wakeref = intel_runtime_pm_get_if_in_use(&engine->i915->runtime_pm);
if (wakeref) {
@ -1672,7 +1676,6 @@ struct i915_request *
intel_engine_find_active_request(struct intel_engine_cs *engine)
{
struct i915_request *request, *active = NULL;
unsigned long flags;
/*
* We are called by the error capture, reset and to dump engine
@ -1685,7 +1688,7 @@ intel_engine_find_active_request(struct intel_engine_cs *engine)
* At all other times, we must assume the GPU is still running, but
* we only care about the snapshot of this moment.
*/
spin_lock_irqsave(&engine->active.lock, flags);
lockdep_assert_held(&engine->active.lock);
list_for_each_entry(request, &engine->active.requests, sched.link) {
if (i915_request_completed(request))
continue;
@ -1700,7 +1703,6 @@ intel_engine_find_active_request(struct intel_engine_cs *engine)
active = request;
break;
}
spin_unlock_irqrestore(&engine->active.lock, flags);
return active;
}

24
drivers/gpu/drm/i915/gt/intel_engine_pm.c
View File

@ -142,27 +142,3 @@ void intel_engine_init__pm(struct intel_engine_cs *engine)
{
intel_wakeref_init(&engine->wakeref);
}
int intel_engines_resume(struct drm_i915_private *i915)
{
struct intel_engine_cs *engine;
enum intel_engine_id id;
int err = 0;
intel_gt_pm_get(i915);
for_each_engine(engine, i915, id) {
intel_engine_pm_get(engine);
engine->serial++; /* kernel context lost */
err = engine->resume(engine);
intel_engine_pm_put(engine);
if (err) {
dev_err(i915->drm.dev,
"Failed to restart %s (%d)\n",
engine->name, err);
break;
}
}
intel_gt_pm_put(i915);
return err;
}

12
drivers/gpu/drm/i915/gt/intel_engine_pm.h
View File

@ -7,16 +7,22 @@
#ifndef INTEL_ENGINE_PM_H
#define INTEL_ENGINE_PM_H
#include "intel_engine_types.h"
#include "intel_wakeref.h"
struct drm_i915_private;
struct intel_engine_cs;
void intel_engine_pm_get(struct intel_engine_cs *engine);
void intel_engine_pm_put(struct intel_engine_cs *engine);
static inline bool
intel_engine_pm_get_if_awake(struct intel_engine_cs *engine)
{
return intel_wakeref_get_if_active(&engine->wakeref);
}
void intel_engine_park(struct intel_engine_cs *engine);
void intel_engine_init__pm(struct intel_engine_cs *engine);
int intel_engines_resume(struct drm_i915_private *i915);
#endif /* INTEL_ENGINE_PM_H */

12
drivers/gpu/drm/i915/gt/intel_engine_types.h
View File

@ -70,6 +70,18 @@ struct intel_ring {
struct list_head request_list;
struct list_head active_link;
/*
* As we have two types of rings, one global to the engine used
* by ringbuffer submission and those that are exclusive to a
* context used by execlists, we have to play safe and allow
* atomic updates to the pin_count. However, the actual pinning
* of the context is either done during initialisation for
* ringbuffer submission or serialised as part of the context
* pinning for execlists, and so we do not need a mutex ourselves
* to serialise intel_ring_pin/intel_ring_unpin.
*/
atomic_t pin_count;
u32 head;
u32 tail;
u32 emit;

21
drivers/gpu/drm/i915/gt/intel_gt_pm.c
View File

@ -5,6 +5,7 @@
*/
#include "i915_drv.h"
#include "intel_engine_pm.h"
#include "intel_gt_pm.h"
#include "intel_pm.h"
#include "intel_wakeref.h"
@ -118,10 +119,11 @@ void intel_gt_sanitize(struct drm_i915_private *i915, bool force)
intel_engine_reset(engine, false);
}
void intel_gt_resume(struct drm_i915_private *i915)
int intel_gt_resume(struct drm_i915_private *i915)
{
struct intel_engine_cs *engine;
enum intel_engine_id id;
int err = 0;
/*
* After resume, we may need to poke into the pinned kernel
@ -129,9 +131,12 @@ void intel_gt_resume(struct drm_i915_private *i915)
* Only the kernel contexts should remain pinned over suspend,
* allowing us to fixup the user contexts on their first pin.
*/
intel_gt_pm_get(i915);
for_each_engine(engine, i915, id) {
struct intel_context *ce;
intel_engine_pm_get(engine);
ce = engine->kernel_context;
if (ce)
ce->ops->reset(ce);
@ -139,5 +144,19 @@ void intel_gt_resume(struct drm_i915_private *i915)
ce = engine->preempt_context;
if (ce)
ce->ops->reset(ce);
engine->serial++; /* kernel context lost */
err = engine->resume(engine);
intel_engine_pm_put(engine);
if (err) {
dev_err(i915->drm.dev,
"Failed to restart %s (%d)\n",
engine->name, err);
break;
}
}
intel_gt_pm_put(i915);
return err;
}

2
drivers/gpu/drm/i915/gt/intel_gt_pm.h
View File

@ -22,6 +22,6 @@ void intel_gt_pm_put(struct drm_i915_private *i915);
void intel_gt_pm_init(struct drm_i915_private *i915);
void intel_gt_sanitize(struct drm_i915_private *i915, bool force);
void intel_gt_resume(struct drm_i915_private *i915);
int intel_gt_resume(struct drm_i915_private *i915);
#endif /* INTEL_GT_PM_H */

10
drivers/gpu/drm/i915/gt/intel_lrc.c
View File

@ -1414,6 +1414,7 @@ static void execlists_context_destroy(struct kref *kref)
{
struct intel_context *ce = container_of(kref, typeof(*ce), ref);
GEM_BUG_ON(!i915_active_is_idle(&ce->active));
GEM_BUG_ON(intel_context_is_pinned(ce));
if (ce->state)
@ -1426,7 +1427,6 @@ static void execlists_context_unpin(struct intel_context *ce)
{
i915_gem_context_unpin_hw_id(ce->gem_context);
i915_gem_object_unpin_map(ce->state->obj);
intel_ring_unpin(ce->ring);
}
static void
@ -1478,13 +1478,9 @@ __execlists_context_pin(struct intel_context *ce,
goto unpin_active;
}
ret = intel_ring_pin(ce->ring);
if (ret)
goto unpin_map;
ret = i915_gem_context_pin_hw_id(ce->gem_context);
if (ret)
goto unpin_ring;
goto unpin_map;
ce->lrc_desc = lrc_descriptor(ce, engine);
ce->lrc_reg_state = vaddr + LRC_STATE_PN * PAGE_SIZE;
@ -1492,8 +1488,6 @@ __execlists_context_pin(struct intel_context *ce,
return 0;
unpin_ring:
intel_ring_unpin(ce->ring);
unpin_map:
i915_gem_object_unpin_map(ce->state->obj);
unpin_active:

58
drivers/gpu/drm/i915/gt/intel_reset.c
View File

@ -687,7 +687,6 @@ static void reset_prepare_engine(struct intel_engine_cs *engine)
* written to the powercontext is undefined and so we may lose
* GPU state upon resume, i.e. fail to restart after a reset.
*/
intel_engine_pm_get(engine);
intel_uncore_forcewake_get(engine->uncore, FORCEWAKE_ALL);
engine->reset.prepare(engine);
}
@ -718,16 +717,21 @@ static void revoke_mmaps(struct drm_i915_private *i915)
}
}
static void reset_prepare(struct drm_i915_private *i915)
static intel_engine_mask_t reset_prepare(struct drm_i915_private *i915)
{
struct intel_engine_cs *engine;
intel_engine_mask_t awake = 0;
enum intel_engine_id id;
intel_gt_pm_get(i915);
for_each_engine(engine, i915, id)
for_each_engine(engine, i915, id) {
if (intel_engine_pm_get_if_awake(engine))
awake |= engine->mask;
reset_prepare_engine(engine);
}
intel_uc_reset_prepare(i915);
return awake;
}
static void gt_revoke(struct drm_i915_private *i915)
@ -761,20 +765,22 @@ static int gt_reset(struct drm_i915_private *i915,
static void reset_finish_engine(struct intel_engine_cs *engine)
{
engine->reset.finish(engine);
intel_engine_pm_put(engine);
intel_uncore_forcewake_put(engine->uncore, FORCEWAKE_ALL);
intel_engine_signal_breadcrumbs(engine);
}
static void reset_finish(struct drm_i915_private *i915)
static void reset_finish(struct drm_i915_private *i915,
intel_engine_mask_t awake)
{
struct intel_engine_cs *engine;
enum intel_engine_id id;
for_each_engine(engine, i915, id) {
reset_finish_engine(engine);
intel_engine_signal_breadcrumbs(engine);
if (awake & engine->mask)
intel_engine_pm_put(engine);
}
intel_gt_pm_put(i915);
}
static void nop_submit_request(struct i915_request *request)
@ -798,6 +804,7 @@ static void __i915_gem_set_wedged(struct drm_i915_private *i915)
{
struct i915_gpu_error *error = &i915->gpu_error;
struct intel_engine_cs *engine;
intel_engine_mask_t awake;
enum intel_engine_id id;
if (test_bit(I915_WEDGED, &error->flags))
@ -817,7 +824,7 @@ static void __i915_gem_set_wedged(struct drm_i915_private *i915)
* rolling the global seqno forward (since this would complete requests
* for which we haven't set the fence error to EIO yet).
*/
reset_prepare(i915);
awake = reset_prepare(i915);
/* Even if the GPU reset fails, it should still stop the engines */
if (!INTEL_INFO(i915)->gpu_reset_clobbers_display)
@ -841,7 +848,7 @@ static void __i915_gem_set_wedged(struct drm_i915_private *i915)
for_each_engine(engine, i915, id)
engine->cancel_requests(engine);
reset_finish(i915);
reset_finish(i915, awake);
GEM_TRACE("end\n");
}
@ -951,6 +958,21 @@ static int do_reset(struct drm_i915_private *i915,
return gt_reset(i915, stalled_mask);
}
static int resume(struct drm_i915_private *i915)
{
struct intel_engine_cs *engine;
enum intel_engine_id id;
int ret;
for_each_engine(engine, i915, id) {
ret = engine->resume(engine);
if (ret)
return ret;
}
return 0;
}
/**
* i915_reset - reset chip after a hang
* @i915: #drm_i915_private to reset
@ -973,6 +995,7 @@ void i915_reset(struct drm_i915_private *i915,
const char *reason)
{
struct i915_gpu_error *error = &i915->gpu_error;
intel_engine_mask_t awake;
int ret;
GEM_TRACE("flags=%lx\n", error->flags);
@ -989,7 +1012,7 @@ void i915_reset(struct drm_i915_private *i915,
dev_notice(i915->drm.dev, "Resetting chip for %s\n", reason);
error->reset_count++;
reset_prepare(i915);
awake = reset_prepare(i915);
if (!intel_has_gpu_reset(i915)) {
if (i915_modparams.reset)
@ -1024,13 +1047,17 @@ void i915_reset(struct drm_i915_private *i915,
if (ret) {
DRM_ERROR("Failed to initialise HW following reset (%d)\n",
ret);
goto error;
goto taint;
}
ret = resume(i915);
if (ret)
goto taint;
i915_queue_hangcheck(i915);
finish:
reset_finish(i915);
reset_finish(i915, awake);
unlock:
mutex_unlock(&error->wedge_mutex);
return;
@ -1081,7 +1108,7 @@ int i915_reset_engine(struct intel_engine_cs *engine, const char *msg)
GEM_TRACE("%s flags=%lx\n", engine->name, error->flags);
GEM_BUG_ON(!test_bit(I915_RESET_ENGINE + engine->id, &error->flags));
if (!intel_wakeref_active(&engine->wakeref))
if (!intel_engine_pm_get_if_awake(engine))
return 0;
reset_prepare_engine(engine);
@ -1116,12 +1143,11 @@ int i915_reset_engine(struct intel_engine_cs *engine, const char *msg)
* process to program RING_MODE, HWSP and re-enable submission.
*/
ret = engine->resume(engine);
if (ret)
goto out;
out:
intel_engine_cancel_stop_cs(engine);
reset_finish_engine(engine);
intel_engine_pm_put(engine);
return ret;
}

31
drivers/gpu/drm/i915/gt/intel_ringbuffer.c
View File

@ -1149,16 +1149,16 @@ i915_emit_bb_start(struct i915_request *rq,
int intel_ring_pin(struct intel_ring *ring)
{
struct i915_vma *vma = ring->vma;
enum i915_map_type map = i915_coherent_map_type(vma->vm->i915);
unsigned int flags;
void *addr;
int ret;
GEM_BUG_ON(ring->vaddr);
if (atomic_fetch_inc(&ring->pin_count))
return 0;
ret = i915_timeline_pin(ring->timeline);
if (ret)
return ret;
goto err_unpin;
flags = PIN_GLOBAL;
@ -1172,26 +1172,31 @@ int intel_ring_pin(struct intel_ring *ring)
ret = i915_vma_pin(vma, 0, 0, flags);
if (unlikely(ret))
goto unpin_timeline;
goto err_timeline;
if (i915_vma_is_map_and_fenceable(vma))
addr = (void __force *)i915_vma_pin_iomap(vma);
else
addr = i915_gem_object_pin_map(vma->obj, map);
addr = i915_gem_object_pin_map(vma->obj,
i915_coherent_map_type(vma->vm->i915));
if (IS_ERR(addr)) {
ret = PTR_ERR(addr);
goto unpin_ring;
goto err_ring;
}
vma->obj->pin_global++;
GEM_BUG_ON(ring->vaddr);
ring->vaddr = addr;
return 0;
unpin_ring:
err_ring:
i915_vma_unpin(vma);
unpin_timeline:
err_timeline:
i915_timeline_unpin(ring->timeline);
err_unpin:
atomic_dec(&ring->pin_count);
return ret;
}
@ -1207,16 +1212,19 @@ void intel_ring_reset(struct intel_ring *ring, u32 tail)
void intel_ring_unpin(struct intel_ring *ring)
{
GEM_BUG_ON(!ring->vma);
GEM_BUG_ON(!ring->vaddr);
if (!atomic_dec_and_test(&ring->pin_count))
return;
/* Discard any unused bytes beyond that submitted to hw. */
intel_ring_reset(ring, ring->tail);
GEM_BUG_ON(!ring->vma);
if (i915_vma_is_map_and_fenceable(ring->vma))
i915_vma_unpin_iomap(ring->vma);
else
i915_gem_object_unpin_map(ring->vma->obj);
GEM_BUG_ON(!ring->vaddr);
ring->vaddr = NULL;
ring->vma->obj->pin_global--;
@ -2081,10 +2089,11 @@ static void ring_destroy(struct intel_engine_cs *engine)
WARN_ON(INTEL_GEN(dev_priv) > 2 &&
(ENGINE_READ(engine, RING_MI_MODE) & MODE_IDLE) == 0);
intel_engine_cleanup_common(engine);
intel_ring_unpin(engine->buffer);
intel_ring_put(engine->buffer);
intel_engine_cleanup_common(engine);
kfree(engine);
}

38
drivers/gpu/drm/i915/gt/intel_workarounds.c
View File

@ -1098,10 +1098,25 @@ static void glk_whitelist_build(struct intel_engine_cs *engine)
static void cfl_whitelist_build(struct intel_engine_cs *engine)
{
struct i915_wa_list *w = &engine->whitelist;
if (engine->class != RENDER_CLASS)
return;
gen9_whitelist_build(&engine->whitelist);
gen9_whitelist_build(w);
/*
* WaAllowPMDepthAndInvocationCountAccessFromUMD:cfl,whl,cml,aml
*
* This covers 4 register which are next to one another :
* - PS_INVOCATION_COUNT
* - PS_INVOCATION_COUNT_UDW
* - PS_DEPTH_COUNT
* - PS_DEPTH_COUNT_UDW
*/
whitelist_reg_ext(w, PS_INVOCATION_COUNT,
RING_FORCE_TO_NONPRIV_RD |
RING_FORCE_TO_NONPRIV_RANGE_4);
}
static void cnl_whitelist_build(struct intel_engine_cs *engine)
@ -1129,6 +1144,19 @@ static void icl_whitelist_build(struct intel_engine_cs *engine)
/* WaEnableStateCacheRedirectToCS:icl */
whitelist_reg(w, GEN9_SLICE_COMMON_ECO_CHICKEN1);
/*
* WaAllowPMDepthAndInvocationCountAccessFromUMD:icl
*
* This covers 4 register which are next to one another :
* - PS_INVOCATION_COUNT
* - PS_INVOCATION_COUNT_UDW
* - PS_DEPTH_COUNT
* - PS_DEPTH_COUNT_UDW
*/
whitelist_reg_ext(w, PS_INVOCATION_COUNT,
RING_FORCE_TO_NONPRIV_RD |
RING_FORCE_TO_NONPRIV_RANGE_4);
break;
case VIDEO_DECODE_CLASS:
@ -1258,8 +1286,12 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
if (IS_ICL_REVID(i915, ICL_REVID_A0, ICL_REVID_B0))
wa_write_or(wal,
GEN7_SARCHKMD,
GEN7_DISABLE_DEMAND_PREFETCH |
GEN7_DISABLE_SAMPLER_PREFETCH);
GEN7_DISABLE_DEMAND_PREFETCH);
/* Wa_1606682166:icl */
wa_write_or(wal,
GEN7_SARCHKMD,
GEN7_DISABLE_SAMPLER_PREFETCH);
}
if (IS_GEN_RANGE(i915, 9, 11)) {

1
drivers/gpu/drm/i915/gt/mock_engine.c
View File

@ -66,6 +66,7 @@ static struct intel_ring *mock_ring(struct intel_engine_cs *engine)
ring->base.effective_size = sz;
ring->base.vaddr = (void *)(ring + 1);
ring->base.timeline = &ring->timeline;
atomic_set(&ring->base.pin_count, 1);
INIT_LIST_HEAD(&ring->base.request_list);
intel_ring_update_space(&ring->base);

5
drivers/gpu/drm/i915/gt/selftest_reset.c
View File

@ -71,13 +71,16 @@ static int igt_atomic_reset(void *arg)
goto unlock;
for (p = igt_atomic_phases; p->name; p++) {
intel_engine_mask_t awake;
GEM_TRACE("intel_gpu_reset under %s\n", p->name);
awake = reset_prepare(i915);
p->critical_section_begin();
reset_prepare(i915);
err = intel_gpu_reset(i915, ALL_ENGINES);
reset_finish(i915);
p->critical_section_end();
reset_finish(i915, awake);
if (err) {
pr_err("intel_gpu_reset failed under %s\n", p->name);

7
drivers/gpu/drm/i915/gt/selftest_workarounds.c
View File

@ -925,7 +925,12 @@ check_whitelisted_registers(struct intel_engine_cs *engine,
err = 0;
for (i = 0; i < engine->whitelist.count; i++) {
if (!fn(engine, a[i], b[i], engine->whitelist.list[i].reg))
const struct i915_wa *wa = &engine->whitelist.list[i];
if (i915_mmio_reg_offset(wa->reg) & RING_FORCE_TO_NONPRIV_RD)
continue;
if (!fn(engine, a[i], b[i], wa->reg))
err = -EINVAL;
}

10
drivers/gpu/drm/i915/gvt/cmd_parser.c
View File

@ -2674,11 +2674,6 @@ static int scan_workload(struct intel_vgpu_workload *workload)
gma_head == gma_tail)
return 0;
if (!intel_gvt_ggtt_validate_range(s.vgpu, s.ring_start, s.ring_size)) {
ret = -EINVAL;
goto out;
}
ret = ip_gma_set(&s, gma_head);
if (ret)
goto out;
@ -2724,11 +2719,6 @@ static int scan_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx)
s.workload = workload;
s.is_ctx_wa = true;
if (!intel_gvt_ggtt_validate_range(s.vgpu, s.ring_start, s.ring_size)) {
ret = -EINVAL;
goto out;
}
ret = ip_gma_set(&s, gma_head);
if (ret)
goto out;

6
drivers/gpu/drm/i915/gvt/fb_decoder.c
View File

@ -245,7 +245,7 @@ int intel_vgpu_decode_primary_plane(struct intel_vgpu *vgpu,
plane->hw_format = fmt;
plane->base = vgpu_vreg_t(vgpu, DSPSURF(pipe)) & I915_GTT_PAGE_MASK;
if (!intel_gvt_ggtt_validate_range(vgpu, plane->base, 0))
if (!vgpu_gmadr_is_valid(vgpu, plane->base))
return -EINVAL;
plane->base_gpa = intel_vgpu_gma_to_gpa(vgpu->gtt.ggtt_mm, plane->base);
@ -368,7 +368,7 @@ int intel_vgpu_decode_cursor_plane(struct intel_vgpu *vgpu,
alpha_plane, alpha_force);
plane->base = vgpu_vreg_t(vgpu, CURBASE(pipe)) & I915_GTT_PAGE_MASK;
if (!intel_gvt_ggtt_validate_range(vgpu, plane->base, 0))
if (!vgpu_gmadr_is_valid(vgpu, plane->base))
return -EINVAL;
plane->base_gpa = intel_vgpu_gma_to_gpa(vgpu->gtt.ggtt_mm, plane->base);
@ -472,7 +472,7 @@ int intel_vgpu_decode_sprite_plane(struct intel_vgpu *vgpu,
plane->drm_format = drm_format;
plane->base = vgpu_vreg_t(vgpu, SPRSURF(pipe)) & I915_GTT_PAGE_MASK;
if (!intel_gvt_ggtt_validate_range(vgpu, plane->base, 0))
if (!vgpu_gmadr_is_valid(vgpu, plane->base))
return -EINVAL;
plane->base_gpa = intel_vgpu_gma_to_gpa(vgpu->gtt.ggtt_mm, plane->base);

9
drivers/gpu/drm/i915/gvt/gtt.c
View File

@ -2141,11 +2141,20 @@ static int emulate_ggtt_mmio_read(struct intel_vgpu *vgpu,
struct intel_vgpu_mm *ggtt_mm = vgpu->gtt.ggtt_mm;
const struct intel_gvt_device_info *info = &vgpu->gvt->device_info;
unsigned long index = off >> info->gtt_entry_size_shift;
unsigned long gma;
struct intel_gvt_gtt_entry e;
if (bytes != 4 && bytes != 8)
return -EINVAL;
gma = index << I915_GTT_PAGE_SHIFT;
if (!intel_gvt_ggtt_validate_range(vgpu,
gma, 1 << I915_GTT_PAGE_SHIFT)) {
gvt_dbg_mm("read invalid ggtt at 0x%lx\n", gma);
memset(p_data, 0, bytes);
return 0;
}
ggtt_get_guest_entry(ggtt_mm, &e, index);
memcpy(p_data, (void *)&e.val64 + (off & (info->gtt_entry_size - 1)),
bytes);

12
drivers/gpu/drm/i915/gvt/kvmgt.c
View File

@ -1904,6 +1904,18 @@ static int kvmgt_dma_map_guest_page(unsigned long handle, unsigned long gfn,
entry = __gvt_cache_find_gfn(info->vgpu, gfn);
if (!entry) {
ret = gvt_dma_map_page(vgpu, gfn, dma_addr, size);
if (ret)
goto err_unlock;
ret = __gvt_cache_add(info->vgpu, gfn, *dma_addr, size);
if (ret)
goto err_unmap;
} else if (entry->size != size) {
/* the same gfn with different size: unmap and re-map */
gvt_dma_unmap_page(vgpu, gfn, entry->dma_addr, entry->size);
__gvt_cache_remove_entry(vgpu, entry);
ret = gvt_dma_map_page(vgpu, gfn, dma_addr, size);
if (ret)
goto err_unlock;

59
drivers/gpu/drm/i915/gvt/scheduler.c
View File

@ -364,16 +364,13 @@ static void release_shadow_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx)
wa_ctx->indirect_ctx.shadow_va = NULL;
}
static int set_context_ppgtt_from_shadow(struct intel_vgpu_workload *workload,
struct i915_gem_context *ctx)
static void set_context_ppgtt_from_shadow(struct intel_vgpu_workload *workload,
struct i915_gem_context *ctx)
{
struct intel_vgpu_mm *mm = workload->shadow_mm;
struct i915_ppgtt *ppgtt = i915_vm_to_ppgtt(ctx->vm);
int i = 0;
if (mm->type != INTEL_GVT_MM_PPGTT || !mm->ppgtt_mm.shadowed)
return -EINVAL;
if (mm->ppgtt_mm.root_entry_type == GTT_TYPE_PPGTT_ROOT_L4_ENTRY) {
px_dma(ppgtt->pd) = mm->ppgtt_mm.shadow_pdps[0];
} else {
@ -384,8 +381,6 @@ static int set_context_ppgtt_from_shadow(struct intel_vgpu_workload *workload,
px_dma(pd) = mm->ppgtt_mm.shadow_pdps[i];
}
}
return 0;
}
static int
@ -614,6 +609,8 @@ static void release_shadow_batch_buffer(struct intel_vgpu_workload *workload)
static int prepare_workload(struct intel_vgpu_workload *workload)
{
struct intel_vgpu *vgpu = workload->vgpu;
struct intel_vgpu_submission *s = &vgpu->submission;
int ring = workload->ring_id;
int ret = 0;
ret = intel_vgpu_pin_mm(workload->shadow_mm);
@ -622,8 +619,16 @@ static int prepare_workload(struct intel_vgpu_workload *workload)
return ret;
}
if (workload->shadow_mm->type != INTEL_GVT_MM_PPGTT ||
!workload->shadow_mm->ppgtt_mm.shadowed) {
gvt_vgpu_err("workload shadow ppgtt isn't ready\n");
return -EINVAL;
}
update_shadow_pdps(workload);
set_context_ppgtt_from_shadow(workload, s->shadow[ring]->gem_context);
ret = intel_vgpu_sync_oos_pages(workload->vgpu);
if (ret) {
gvt_vgpu_err("fail to vgpu sync oos pages\n");
@ -674,7 +679,6 @@ static int dispatch_workload(struct intel_vgpu_workload *workload)
{
struct intel_vgpu *vgpu = workload->vgpu;
struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
struct intel_vgpu_submission *s = &vgpu->submission;
struct i915_request *rq;
int ring_id = workload->ring_id;
int ret;
@ -685,13 +689,6 @@ static int dispatch_workload(struct intel_vgpu_workload *workload)
mutex_lock(&vgpu->vgpu_lock);
mutex_lock(&dev_priv->drm.struct_mutex);
ret = set_context_ppgtt_from_shadow(workload,
s->shadow[ring_id]->gem_context);
if (ret < 0) {
gvt_vgpu_err("workload shadow ppgtt isn't ready\n");
goto err_req;
}
ret = intel_gvt_workload_req_alloc(workload);
if (ret)
goto err_req;
@ -990,6 +987,7 @@ static int workload_thread(void *priv)
int ret;
bool need_force_wake = (INTEL_GEN(gvt->dev_priv) >= 9);
DEFINE_WAIT_FUNC(wait, woken_wake_function);
struct intel_runtime_pm *rpm = &gvt->dev_priv->runtime_pm;
kfree(p);
@ -1013,6 +1011,8 @@ static int workload_thread(void *priv)
workload->ring_id, workload,
workload->vgpu->id);
intel_runtime_pm_get(rpm);
gvt_dbg_sched("ring id %d will dispatch workload %p\n",
workload->ring_id, workload);
@ -1042,6 +1042,7 @@ complete:
intel_uncore_forcewake_put(&gvt->dev_priv->uncore,
FORCEWAKE_ALL);
intel_runtime_pm_put_unchecked(rpm);
if (ret && (vgpu_is_vm_unhealthy(ret)))
enter_failsafe_mode(vgpu, GVT_FAILSAFE_GUEST_ERR);
}
@ -1492,6 +1493,12 @@ intel_vgpu_create_workload(struct intel_vgpu *vgpu, int ring_id,
intel_gvt_hypervisor_read_gpa(vgpu, ring_context_gpa +
RING_CTX_OFF(ctx_ctrl.val), &ctx_ctl, 4);
if (!intel_gvt_ggtt_validate_range(vgpu, start,
_RING_CTL_BUF_SIZE(ctl))) {
gvt_vgpu_err("context contain invalid rb at: 0x%x\n", start);
return ERR_PTR(-EINVAL);
}
workload = alloc_workload(vgpu);
if (IS_ERR(workload))
return workload;
@ -1516,9 +1523,31 @@ intel_vgpu_create_workload(struct intel_vgpu *vgpu, int ring_id,
workload->wa_ctx.indirect_ctx.size =
(indirect_ctx & INDIRECT_CTX_SIZE_MASK) *
CACHELINE_BYTES;
if (workload->wa_ctx.indirect_ctx.size != 0) {
if (!intel_gvt_ggtt_validate_range(vgpu,
workload->wa_ctx.indirect_ctx.guest_gma,
workload->wa_ctx.indirect_ctx.size)) {
kmem_cache_free(s->workloads, workload);
gvt_vgpu_err("invalid wa_ctx at: 0x%lx\n",
workload->wa_ctx.indirect_ctx.guest_gma);
return ERR_PTR(-EINVAL);
}
}
workload->wa_ctx.per_ctx.guest_gma =
per_ctx & PER_CTX_ADDR_MASK;
workload->wa_ctx.per_ctx.valid = per_ctx & 1;
if (workload->wa_ctx.per_ctx.valid) {
if (!intel_gvt_ggtt_validate_range(vgpu,
workload->wa_ctx.per_ctx.guest_gma,
CACHELINE_BYTES)) {
kmem_cache_free(s->workloads, workload);
gvt_vgpu_err("invalid per_ctx at: 0x%lx\n",
workload->wa_ctx.per_ctx.guest_gma);
return ERR_PTR(-EINVAL);
}
}
}
gvt_dbg_el("workload %p ring id %d head %x tail %x start %x ctl %x\n",

2
drivers/gpu/drm/i915/gvt/trace_points.c
View File

@ -28,8 +28,6 @@
*
*/
#include "trace.h"
#ifndef __CHECKER__
#define CREATE_TRACE_POINTS
#include "trace.h"

5
drivers/gpu/drm/i915/i915_drv.h
View File

@ -1674,8 +1674,9 @@ struct drm_i915_private {
} dram_info;
struct intel_bw_info {
int num_planes;
int deratedbw[3];
unsigned int deratedbw[3]; /* for each QGV point */
u8 num_qgv_points;
u8 num_planes;
} max_bw[6];
struct drm_private_obj bw_obj;

25
drivers/gpu/drm/i915/i915_gem.c
View File

@ -46,7 +46,6 @@
#include "gem/i915_gem_ioctls.h"
#include "gem/i915_gem_pm.h"
#include "gem/i915_gemfs.h"
#include "gt/intel_engine_pm.h"
#include "gt/intel_gt_pm.h"
#include "gt/intel_mocs.h"
#include "gt/intel_reset.h"
@ -1307,21 +1306,13 @@ int i915_gem_init_hw(struct drm_i915_private *dev_priv)
intel_mocs_init_l3cc_table(dev_priv);
/* Only when the HW is re-initialised, can we replay the requests */
ret = intel_engines_resume(dev_priv);
if (ret)
goto cleanup_uc;
intel_uncore_forcewake_put(&dev_priv->uncore, FORCEWAKE_ALL);
intel_engines_set_scheduler_caps(dev_priv);
return 0;
cleanup_uc:
intel_uc_fini_hw(dev_priv);
out:
intel_uncore_forcewake_put(&dev_priv->uncore, FORCEWAKE_ALL);
return ret;
}
@ -1580,6 +1571,11 @@ int i915_gem_init(struct drm_i915_private *dev_priv)
if (ret)
goto err_uc_init;
/* Only when the HW is re-initialised, can we replay the requests */
ret = intel_gt_resume(dev_priv);
if (ret)
goto err_init_hw;
/*
* Despite its name intel_init_clock_gating applies both display
* clock gating workarounds; GT mmio workarounds and the occasional
@ -1593,20 +1589,20 @@ int i915_gem_init(struct drm_i915_private *dev_priv)
ret = intel_engines_verify_workarounds(dev_priv);
if (ret)
goto err_init_hw;
goto err_gt;
ret = __intel_engines_record_defaults(dev_priv);
if (ret)
goto err_init_hw;
goto err_gt;
if (i915_inject_load_failure()) {
ret = -ENODEV;
goto err_init_hw;
goto err_gt;
}
if (i915_inject_load_failure()) {
ret = -EIO;
goto err_init_hw;
goto err_gt;
}
intel_uncore_forcewake_put(&dev_priv->uncore, FORCEWAKE_ALL);
@ -1620,7 +1616,7 @@ int i915_gem_init(struct drm_i915_private *dev_priv)
* HW as irrevisibly wedged, but keep enough state around that the
* driver doesn't explode during runtime.
*/
err_init_hw:
err_gt:
mutex_unlock(&dev_priv->drm.struct_mutex);
i915_gem_set_wedged(dev_priv);
@ -1630,6 +1626,7 @@ err_init_hw:
i915_gem_drain_workqueue(dev_priv);
mutex_lock(&dev_priv->drm.struct_mutex);
err_init_hw:
intel_uc_fini_hw(dev_priv);
err_uc_init:
intel_uc_fini(dev_priv);

8
drivers/gpu/drm/i915/i915_gem_gtt.c
View File

@ -1444,9 +1444,11 @@ unwind_pd:
spin_lock(&pdp->lock);
if (atomic_dec_and_test(&pd->used)) {
gen8_ppgtt_set_pdpe(pdp, vm->scratch_pd, pdpe);
pdp->entry[pdpe] = vm->scratch_pd;
GEM_BUG_ON(!atomic_read(&pdp->used));
atomic_dec(&pdp->used);
free_pd(vm, pd);
GEM_BUG_ON(alloc);
alloc = pd; /* defer the free to after the lock */
}
spin_unlock(&pdp->lock);
unwind:
@ -1515,7 +1517,9 @@ unwind_pdp:
spin_lock(&pml4->lock);
if (atomic_dec_and_test(&pdp->used)) {
gen8_ppgtt_set_pml4e(pml4, vm->scratch_pdp, pml4e);
free_pd(vm, pdp);
pml4->entry[pml4e] = vm->scratch_pdp;
GEM_BUG_ON(alloc);
alloc = pdp; /* defer the free until after the lock */
}
spin_unlock(&pml4->lock);
unwind:

6
drivers/gpu/drm/i915/i915_gpu_error.c
View File

@ -1418,6 +1418,7 @@ static void gem_record_rings(struct i915_gpu_state *error)
struct intel_engine_cs *engine = i915->engine[i];
struct drm_i915_error_engine *ee = &error->engine[i];
struct i915_request *request;
unsigned long flags;
ee->engine_id = -1;
@ -1429,10 +1430,11 @@ static void gem_record_rings(struct i915_gpu_state *error)
error_record_engine_registers(error, engine, ee);
error_record_engine_execlists(engine, ee);
spin_lock_irqsave(&engine->active.lock, flags);
request = intel_engine_find_active_request(engine);
if (request) {
struct i915_gem_context *ctx = request->gem_context;
struct intel_ring *ring;
struct intel_ring *ring = request->ring;
ee->vm = ctx->vm ?: &ggtt->vm;
@ -1462,7 +1464,6 @@ static void gem_record_rings(struct i915_gpu_state *error)
ee->rq_post = request->postfix;
ee->rq_tail = request->tail;
ring = request->ring;
ee->cpu_ring_head = ring->head;
ee->cpu_ring_tail = ring->tail;
ee->ringbuffer =
@ -1470,6 +1471,7 @@ static void gem_record_rings(struct i915_gpu_state *error)
engine_record_requests(engine, request, ee);
}
spin_unlock_irqrestore(&engine->active.lock, flags);
ee->hws_page =
i915_error_object_create(i915,

67
drivers/gpu/drm/i915/i915_perf.c
View File

@ -1567,28 +1567,10 @@ static void config_oa_regs(struct drm_i915_private *dev_priv,
}
}
static int hsw_enable_metric_set(struct i915_perf_stream *stream)
static void delay_after_mux(void)
{
struct drm_i915_private *dev_priv = stream->dev_priv;
const struct i915_oa_config *oa_config = stream->oa_config;
/* PRM:
*
* OA unit is using “crclk” for its functionality. When trunk
* level clock gating takes place, OA clock would be gated,
* unable to count the events from non-render clock domain.
* Render clock gating must be disabled when OA is enabled to
* count the events from non-render domain. Unit level clock
* gating for RCS should also be disabled.
*/
I915_WRITE(GEN7_MISCCPCTL, (I915_READ(GEN7_MISCCPCTL) &
~GEN7_DOP_CLOCK_GATE_ENABLE));
I915_WRITE(GEN6_UCGCTL1, (I915_READ(GEN6_UCGCTL1) |
GEN6_CSUNIT_CLOCK_GATE_DISABLE));
config_oa_regs(dev_priv, oa_config->mux_regs, oa_config->mux_regs_len);
/* It apparently takes a fairly long time for a new MUX
/*
* It apparently takes a fairly long time for a new MUX
* configuration to be be applied after these register writes.
* This delay duration was derived empirically based on the
* render_basic config but hopefully it covers the maximum
@ -1610,6 +1592,30 @@ static int hsw_enable_metric_set(struct i915_perf_stream *stream)
* a delay at this location would mitigate any invalid reports.
*/
usleep_range(15000, 20000);
}
static int hsw_enable_metric_set(struct i915_perf_stream *stream)
{
struct drm_i915_private *dev_priv = stream->dev_priv;
const struct i915_oa_config *oa_config = stream->oa_config;
/*
* PRM:
*
* OA unit is using “crclk” for its functionality. When trunk
* level clock gating takes place, OA clock would be gated,
* unable to count the events from non-render clock domain.
* Render clock gating must be disabled when OA is enabled to
* count the events from non-render domain. Unit level clock
* gating for RCS should also be disabled.
*/
I915_WRITE(GEN7_MISCCPCTL, (I915_READ(GEN7_MISCCPCTL) &
~GEN7_DOP_CLOCK_GATE_ENABLE));
I915_WRITE(GEN6_UCGCTL1, (I915_READ(GEN6_UCGCTL1) |
GEN6_CSUNIT_CLOCK_GATE_DISABLE));
config_oa_regs(dev_priv, oa_config->mux_regs, oa_config->mux_regs_len);
delay_after_mux();
config_oa_regs(dev_priv, oa_config->b_counter_regs,
oa_config->b_counter_regs_len);
@ -1835,6 +1841,7 @@ static int gen8_enable_metric_set(struct i915_perf_stream *stream)
return ret;
config_oa_regs(dev_priv, oa_config->mux_regs, oa_config->mux_regs_len);
delay_after_mux();
config_oa_regs(dev_priv, oa_config->b_counter_regs,
oa_config->b_counter_regs_len);
@ -2515,6 +2522,9 @@ static int i915_perf_release(struct inode *inode, struct file *file)
i915_perf_destroy_locked(stream);
mutex_unlock(&dev_priv->perf.lock);
/* Release the reference the perf stream kept on the driver. */
drm_dev_put(&dev_priv->drm);
return 0;
}
@ -2650,6 +2660,11 @@ i915_perf_open_ioctl_locked(struct drm_i915_private *dev_priv,
if (!(param->flags & I915_PERF_FLAG_DISABLED))
i915_perf_enable_locked(stream);
/* Take a reference on the driver that will be kept with stream_fd
* until its release.
*/
drm_dev_get(&dev_priv->drm);
return stream_fd;
err_open:
@ -3477,9 +3492,13 @@ void i915_perf_init(struct drm_i915_private *dev_priv)
dev_priv->perf.oa.ops.enable_metric_set = gen8_enable_metric_set;
dev_priv->perf.oa.ops.disable_metric_set = gen10_disable_metric_set;
dev_priv->perf.oa.ctx_oactxctrl_offset = 0x128;
dev_priv->perf.oa.ctx_flexeu0_offset = 0x3de;
if (IS_GEN(dev_priv, 10)) {
dev_priv->perf.oa.ctx_oactxctrl_offset = 0x128;
dev_priv->perf.oa.ctx_flexeu0_offset = 0x3de;
} else {
dev_priv->perf.oa.ctx_oactxctrl_offset = 0x124;
dev_priv->perf.oa.ctx_flexeu0_offset = 0x78e;
}
dev_priv->perf.oa.gen8_valid_ctx_bit = (1<<16);
}
}

76
drivers/gpu/drm/i915/i915_trace.h
View File

@ -21,24 +21,22 @@
/* watermark/fifo updates */
TRACE_EVENT(intel_pipe_enable,
TP_PROTO(struct drm_i915_private *dev_priv, enum pipe pipe),
TP_ARGS(dev_priv, pipe),
TP_PROTO(struct intel_crtc *crtc),
TP_ARGS(crtc),
TP_STRUCT__entry(
__array(u32, frame, 3)
__array(u32, scanline, 3)
__field(enum pipe, pipe)
),
TP_fast_assign(
enum pipe _pipe;
for_each_pipe(dev_priv, _pipe) {
__entry->frame[_pipe] =
dev_priv->drm.driver->get_vblank_counter(&dev_priv->drm, _pipe);
__entry->scanline[_pipe] =
intel_get_crtc_scanline(intel_get_crtc_for_pipe(dev_priv, _pipe));
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
struct intel_crtc *it__;
for_each_intel_crtc(&dev_priv->drm, it__) {
__entry->frame[it__->pipe] = intel_crtc_get_vblank_counter(it__);
__entry->scanline[it__->pipe] = intel_get_crtc_scanline(it__);
}
__entry->pipe = pipe;
__entry->pipe = crtc->pipe;
),
TP_printk("pipe %c enable, pipe A: frame=%u, scanline=%u, pipe B: frame=%u, scanline=%u, pipe C: frame=%u, scanline=%u",
@ -49,8 +47,8 @@ TRACE_EVENT(intel_pipe_enable,
);
TRACE_EVENT(intel_pipe_disable,
TP_PROTO(struct drm_i915_private *dev_priv, enum pipe pipe),
TP_ARGS(dev_priv, pipe),
TP_PROTO(struct intel_crtc *crtc),
TP_ARGS(crtc),
TP_STRUCT__entry(
__array(u32, frame, 3)
@ -59,14 +57,13 @@ TRACE_EVENT(intel_pipe_disable,
),
TP_fast_assign(
enum pipe _pipe;
for_each_pipe(dev_priv, _pipe) {
__entry->frame[_pipe] =
dev_priv->drm.driver->get_vblank_counter(&dev_priv->drm, _pipe);
__entry->scanline[_pipe] =
intel_get_crtc_scanline(intel_get_crtc_for_pipe(dev_priv, _pipe));
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
struct intel_crtc *it__;
for_each_intel_crtc(&dev_priv->drm, it__) {
__entry->frame[it__->pipe] = intel_crtc_get_vblank_counter(it__);
__entry->scanline[it__->pipe] = intel_get_crtc_scanline(it__);
}
__entry->pipe = pipe;
__entry->pipe = crtc->pipe;
),
TP_printk("pipe %c disable, pipe A: frame=%u, scanline=%u, pipe B: frame=%u, scanline=%u, pipe C: frame=%u, scanline=%u",
@ -89,8 +86,7 @@ TRACE_EVENT(intel_pipe_crc,
TP_fast_assign(
__entry->pipe = crtc->pipe;
__entry->frame = crtc->base.dev->driver->get_vblank_counter(crtc->base.dev,
crtc->pipe);
__entry->frame = intel_crtc_get_vblank_counter(crtc);
__entry->scanline = intel_get_crtc_scanline(crtc);
memcpy(__entry->crcs, crcs, sizeof(__entry->crcs));
),
@ -112,9 +108,10 @@ TRACE_EVENT(intel_cpu_fifo_underrun,
),
TP_fast_assign(
struct intel_crtc *crtc = intel_get_crtc_for_pipe(dev_priv, pipe);
__entry->pipe = pipe;
__entry->frame = dev_priv->drm.driver->get_vblank_counter(&dev_priv->drm, pipe);
__entry->scanline = intel_get_crtc_scanline(intel_get_crtc_for_pipe(dev_priv, pipe));
__entry->frame = intel_crtc_get_vblank_counter(crtc);
__entry->scanline = intel_get_crtc_scanline(crtc);
),
TP_printk("pipe %c, frame=%u, scanline=%u",
@ -134,9 +131,10 @@ TRACE_EVENT(intel_pch_fifo_underrun,
TP_fast_assign(
enum pipe pipe = pch_transcoder;
struct intel_crtc *crtc = intel_get_crtc_for_pipe(dev_priv, pipe);
__entry->pipe = pipe;
__entry->frame = dev_priv->drm.driver->get_vblank_counter(&dev_priv->drm, pipe);
__entry->scanline = intel_get_crtc_scanline(intel_get_crtc_for_pipe(dev_priv, pipe));
__entry->frame = intel_crtc_get_vblank_counter(crtc);
__entry->scanline = intel_get_crtc_scanline(crtc);
),
TP_printk("pch transcoder %c, frame=%u, scanline=%u",
@ -156,12 +154,10 @@ TRACE_EVENT(intel_memory_cxsr,
),
TP_fast_assign(
enum pipe pipe;
for_each_pipe(dev_priv, pipe) {
__entry->frame[pipe] =
dev_priv->drm.driver->get_vblank_counter(&dev_priv->drm, pipe);
__entry->scanline[pipe] =
intel_get_crtc_scanline(intel_get_crtc_for_pipe(dev_priv, pipe));
struct intel_crtc *crtc;
for_each_intel_crtc(&dev_priv->drm, crtc) {
__entry->frame[crtc->pipe] = intel_crtc_get_vblank_counter(crtc);
__entry->scanline[crtc->pipe] = intel_get_crtc_scanline(crtc);
}
__entry->old = old;
__entry->new = new;
@ -198,8 +194,7 @@ TRACE_EVENT(g4x_wm,
TP_fast_assign(
__entry->pipe = crtc->pipe;
__entry->frame = crtc->base.dev->driver->get_vblank_counter(crtc->base.dev,
crtc->pipe);
__entry->frame = intel_crtc_get_vblank_counter(crtc);
__entry->scanline = intel_get_crtc_scanline(crtc);
__entry->primary = wm->pipe[crtc->pipe].plane[PLANE_PRIMARY];
__entry->sprite = wm->pipe[crtc->pipe].plane[PLANE_SPRITE0];
@ -243,8 +238,7 @@ TRACE_EVENT(vlv_wm,
TP_fast_assign(
__entry->pipe = crtc->pipe;
__entry->frame = crtc->base.dev->driver->get_vblank_counter(crtc->base.dev,
crtc->pipe);
__entry->frame = intel_crtc_get_vblank_counter(crtc);
__entry->scanline = intel_get_crtc_scanline(crtc);
__entry->level = wm->level;
__entry->cxsr = wm->cxsr;
@ -278,8 +272,7 @@ TRACE_EVENT(vlv_fifo_size,
TP_fast_assign(
__entry->pipe = crtc->pipe;
__entry->frame = crtc->base.dev->driver->get_vblank_counter(crtc->base.dev,
crtc->pipe);
__entry->frame = intel_crtc_get_vblank_counter(crtc);
__entry->scanline = intel_get_crtc_scanline(crtc);
__entry->sprite0_start = sprite0_start;
__entry->sprite1_start = sprite1_start;
@ -310,8 +303,7 @@ TRACE_EVENT(intel_update_plane,
TP_fast_assign(
__entry->pipe = crtc->pipe;
__entry->name = plane->name;
__entry->frame = crtc->base.dev->driver->get_vblank_counter(crtc->base.dev,
crtc->pipe);
__entry->frame = intel_crtc_get_vblank_counter(crtc);
__entry->scanline = intel_get_crtc_scanline(crtc);
memcpy(__entry->src, &plane->state->src, sizeof(__entry->src));
memcpy(__entry->dst, &plane->state->dst, sizeof(__entry->dst));
@ -338,8 +330,7 @@ TRACE_EVENT(intel_disable_plane,
TP_fast_assign(
__entry->pipe = crtc->pipe;
__entry->name = plane->name;
__entry->frame = crtc->base.dev->driver->get_vblank_counter(crtc->base.dev,
crtc->pipe);
__entry->frame = intel_crtc_get_vblank_counter(crtc);
__entry->scanline = intel_get_crtc_scanline(crtc);
),
@ -364,8 +355,7 @@ TRACE_EVENT(i915_pipe_update_start,
TP_fast_assign(
__entry->pipe = crtc->pipe;
__entry->frame = crtc->base.dev->driver->get_vblank_counter(crtc->base.dev,
crtc->pipe);
__entry->frame = intel_crtc_get_vblank_counter(crtc);
__entry->scanline = intel_get_crtc_scanline(crtc);
__entry->min = crtc->debug.min_vbl;
__entry->max = crtc->debug.max_vbl;

10
drivers/gpu/drm/i915/intel_runtime_pm.c
View File

@ -221,13 +221,11 @@ __untrack_all_wakerefs(struct intel_runtime_pm_debug *debug,
static void
dump_and_free_wakeref_tracking(struct intel_runtime_pm_debug *debug)
{
struct drm_printer p;
if (debug->count) {
struct drm_printer p = drm_debug_printer("i915");
if (!debug->count)
return;
p = drm_debug_printer("i915");
__print_intel_runtime_pm_wakeref(&p, debug);
__print_intel_runtime_pm_wakeref(&p, debug);
}
kfree(debug->owners);
}

15
drivers/gpu/drm/i915/intel_wakeref.h
View File

@ -65,6 +65,21 @@ intel_wakeref_get(struct intel_runtime_pm *rpm,
return 0;
}
/**
* intel_wakeref_get_if_in_use: Acquire the wakeref
* @wf: the wakeref
*
* Acquire a hold on the wakeref, but only if the wakeref is already
* active.
*
* Returns: true if the wakeref was acquired, false otherwise.
*/
static inline bool
intel_wakeref_get_if_active(struct intel_wakeref *wf)
{
return atomic_inc_not_zero(&wf->count);
}
/**
* intel_wakeref_put: Release the wakeref
* @i915: the drm_i915_private device

2
include/drm/drm_client.h
View File

@ -149,6 +149,8 @@ struct drm_client_buffer {
struct drm_client_buffer *
drm_client_framebuffer_create(struct drm_client_dev *client, u32 width, u32 height, u32 format);
void drm_client_framebuffer_delete(struct drm_client_buffer *buffer);
void *drm_client_buffer_vmap(struct drm_client_buffer *buffer);
void drm_client_buffer_vunmap(struct drm_client_buffer *buffer);
int drm_client_modeset_create(struct drm_client_dev *client);
void drm_client_modeset_free(struct drm_client_dev *client);

7
include/drm/drm_mode_config.h
View File

@ -852,6 +852,13 @@ struct drm_mode_config {
/* dumb ioctl parameters */
uint32_t preferred_depth, prefer_shadow;
/**
* @prefer_shadow_fbdev:
*
* Hint to framebuffer emulation to prefer shadow-fb rendering.
*/
bool prefer_shadow_fbdev;
/**
* @quirk_addfb_prefer_xbgr_30bpp:
*