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drm/i915: Consolidate binding parameters into flags 

Anything more than just one bool parameter is just a pain to read,
symbolic constants are much better.

Split out from Chris' vma-binding rework patch.

v2: Undo the behaviour change in object_pin that Chris spotted.

v3: Split out misplaced hunk to handle set_cache_level errors,
spotted by Jani.

v4: Keep the current over-zealous binding logic in the execbuffer code
working with a quick hack while the overall binding code gets shuffled
around.

v5: Reorder the PIN_ flags for more natural patch splitup.

v6: Pull out the PIN_GLOBAL split-up again.

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ben Widawsky <benjamin.widawsky@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2014-02-14 14:01:11 +01:00
parent 931c1c2698
commit 1ec9e26dda
10 changed files with 70 additions and 81 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/gpu/drm/i915/i915_drv.h
View File

@ -2076,11 +2076,12 @@ void i915_init_vm(struct drm_i915_private *dev_priv,
void i915_gem_free_object(struct drm_gem_object *obj);
void i915_gem_vma_destroy(struct i915_vma *vma);
#define PIN_MAPPABLE 0x1
#define PIN_NONBLOCK 0x2
int __must_check i915_gem_object_pin(struct drm_i915_gem_object *obj,
struct i915_address_space *vm,
uint32_t alignment,
bool map_and_fenceable,
bool nonblocking);
unsigned flags);
void i915_gem_object_ggtt_unpin(struct drm_i915_gem_object *obj);
int __must_check i915_vma_unbind(struct i915_vma *vma);
int __must_check i915_gem_object_ggtt_unbind(struct drm_i915_gem_object *obj);
@ -2283,11 +2284,9 @@ i915_gem_obj_ggtt_size(struct drm_i915_gem_object *obj)
static inline int __must_check
i915_gem_obj_ggtt_pin(struct drm_i915_gem_object *obj,
uint32_t alignment,
bool map_and_fenceable,
bool nonblocking)
unsigned flags)
{
return i915_gem_object_pin(obj, obj_to_ggtt(obj), alignment,
map_and_fenceable, nonblocking);
return i915_gem_object_pin(obj, obj_to_ggtt(obj), alignment, flags);
}
/* i915_gem_context.c */
@ -2331,8 +2330,7 @@ int __must_check i915_gem_evict_something(struct drm_device *dev,
int min_size,
unsigned alignment,
unsigned cache_level,
bool mappable,
bool nonblock);
unsigned flags);
int i915_gem_evict_vm(struct i915_address_space *vm, bool do_idle);
int i915_gem_evict_everything(struct drm_device *dev);

62
drivers/gpu/drm/i915/i915_gem.c
View File

@ -43,12 +43,6 @@ static void i915_gem_object_flush_cpu_write_domain(struct drm_i915_gem_object *o
static __must_check int
i915_gem_object_wait_rendering(struct drm_i915_gem_object *obj,
bool readonly);
static __must_check int
i915_gem_object_bind_to_vm(struct drm_i915_gem_object *obj,
struct i915_address_space *vm,
unsigned alignment,
bool map_and_fenceable,
bool nonblocking);
static int i915_gem_phys_pwrite(struct drm_device *dev,
struct drm_i915_gem_object *obj,
struct drm_i915_gem_pwrite *args,
@ -605,7 +599,7 @@ i915_gem_gtt_pwrite_fast(struct drm_device *dev,
char __user *user_data;
int page_offset, page_length, ret;
ret = i915_gem_obj_ggtt_pin(obj, 0, true, true);
ret = i915_gem_obj_ggtt_pin(obj, 0, PIN_MAPPABLE | PIN_NONBLOCK);
if (ret)
goto out;
@ -1411,7 +1405,7 @@ int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
}
/* Now bind it into the GTT if needed */
ret = i915_gem_obj_ggtt_pin(obj, 0, true, false);
ret = i915_gem_obj_ggtt_pin(obj, 0, PIN_MAPPABLE);
if (ret)
goto unlock;
@ -2721,7 +2715,6 @@ int i915_vma_unbind(struct i915_vma *vma)
if (!drm_mm_node_allocated(&vma->node)) {
i915_gem_vma_destroy(vma);
return 0;
}
@ -3219,14 +3212,13 @@ static int
i915_gem_object_bind_to_vm(struct drm_i915_gem_object *obj,
struct i915_address_space *vm,
unsigned alignment,
bool map_and_fenceable,
bool nonblocking)
unsigned flags)
{
struct drm_device *dev = obj->base.dev;
drm_i915_private_t *dev_priv = dev->dev_private;
u32 size, fence_size, fence_alignment, unfenced_alignment;
size_t gtt_max =
map_and_fenceable ? dev_priv->gtt.mappable_end : vm->total;
flags & PIN_MAPPABLE ? dev_priv->gtt.mappable_end : vm->total;
struct i915_vma *vma;
int ret;
@ -3238,18 +3230,18 @@ i915_gem_object_bind_to_vm(struct drm_i915_gem_object *obj,
obj->tiling_mode, true);
unfenced_alignment =
i915_gem_get_gtt_alignment(dev,
obj->base.size,
obj->tiling_mode, false);
obj->base.size,
obj->tiling_mode, false);
if (alignment == 0)
alignment = map_and_fenceable ? fence_alignment :
alignment = flags & PIN_MAPPABLE ? fence_alignment :
unfenced_alignment;
if (map_and_fenceable && alignment & (fence_alignment - 1)) {
if (flags & PIN_MAPPABLE && alignment & (fence_alignment - 1)) {
DRM_DEBUG("Invalid object alignment requested %u\n", alignment);
return -EINVAL;
}
size = map_and_fenceable ? fence_size : obj->base.size;
size = flags & PIN_MAPPABLE ? fence_size : obj->base.size;
/* If the object is bigger than the entire aperture, reject it early
* before evicting everything in a vain attempt to find space.
@ -3257,7 +3249,7 @@ i915_gem_object_bind_to_vm(struct drm_i915_gem_object *obj,
if (obj->base.size > gtt_max) {
DRM_DEBUG("Attempting to bind an object larger than the aperture: object=%zd > %s aperture=%zu\n",
obj->base.size,
map_and_fenceable ? "mappable" : "total",
flags & PIN_MAPPABLE ? "mappable" : "total",
gtt_max);
return -E2BIG;
}
@ -3281,9 +3273,7 @@ search_free:
DRM_MM_SEARCH_DEFAULT);
if (ret) {
ret = i915_gem_evict_something(dev, vm, size, alignment,
obj->cache_level,
map_and_fenceable,
nonblocking);
obj->cache_level, flags);
if (ret == 0)
goto search_free;
@ -3314,9 +3304,9 @@ search_free:
obj->map_and_fenceable = mappable && fenceable;
}
WARN_ON(map_and_fenceable && !obj->map_and_fenceable);
WARN_ON(flags & PIN_MAPPABLE && !obj->map_and_fenceable);
trace_i915_vma_bind(vma, map_and_fenceable);
trace_i915_vma_bind(vma, flags);
i915_gem_verify_gtt(dev);
return 0;
@ -3687,7 +3677,7 @@ i915_gem_object_pin_to_display_plane(struct drm_i915_gem_object *obj,
* (e.g. libkms for the bootup splash), we have to ensure that we
* always use map_and_fenceable for all scanout buffers.
*/
ret = i915_gem_obj_ggtt_pin(obj, alignment, true, false);
ret = i915_gem_obj_ggtt_pin(obj, alignment, PIN_MAPPABLE);
if (ret)
goto err_unpin_display;
@ -3843,30 +3833,28 @@ int
i915_gem_object_pin(struct drm_i915_gem_object *obj,
struct i915_address_space *vm,
uint32_t alignment,
bool map_and_fenceable,
bool nonblocking)
unsigned flags)
{
const u32 flags = map_and_fenceable ? GLOBAL_BIND : 0;
struct i915_vma *vma;
int ret;
WARN_ON(map_and_fenceable && !i915_is_ggtt(vm));
if (WARN_ON(flags & PIN_MAPPABLE && !i915_is_ggtt(vm)))
return -EINVAL;
vma = i915_gem_obj_to_vma(obj, vm);
if (vma) {
if (WARN_ON(vma->pin_count == DRM_I915_GEM_OBJECT_MAX_PIN_COUNT))
return -EBUSY;
if ((alignment &&
vma->node.start & (alignment - 1)) ||
(map_and_fenceable && !obj->map_and_fenceable)) {
(flags & PIN_MAPPABLE && !obj->map_and_fenceable)) {
WARN(vma->pin_count,
"bo is already pinned with incorrect alignment:"
" offset=%lx, req.alignment=%x, req.map_and_fenceable=%d,"
" obj->map_and_fenceable=%d\n",
i915_gem_obj_offset(obj, vm), alignment,
map_and_fenceable,
flags & PIN_MAPPABLE,
obj->map_and_fenceable);
ret = i915_vma_unbind(vma);
if (ret)
@ -3875,9 +3863,7 @@ i915_gem_object_pin(struct drm_i915_gem_object *obj,
}
if (!i915_gem_obj_bound(obj, vm)) {
ret = i915_gem_object_bind_to_vm(obj, vm, alignment,
map_and_fenceable,
nonblocking);
ret = i915_gem_object_bind_to_vm(obj, vm, alignment, flags);
if (ret)
return ret;
@ -3885,10 +3871,12 @@ i915_gem_object_pin(struct drm_i915_gem_object *obj,
vma = i915_gem_obj_to_vma(obj, vm);
vma->bind_vma(vma, obj->cache_level, flags);
vma->bind_vma(vma, obj->cache_level,
flags & PIN_MAPPABLE ? GLOBAL_BIND : 0);
i915_gem_obj_to_vma(obj, vm)->pin_count++;
obj->pin_mappable |= map_and_fenceable;
if (flags & PIN_MAPPABLE)
obj->pin_mappable |= true;
return 0;
}
@ -3946,7 +3934,7 @@ i915_gem_pin_ioctl(struct drm_device *dev, void *data,
}
if (obj->user_pin_count == 0) {
ret = i915_gem_obj_ggtt_pin(obj, args->alignment, true, false);
ret = i915_gem_obj_ggtt_pin(obj, args->alignment, PIN_MAPPABLE);
if (ret)
goto out;
}

9
drivers/gpu/drm/i915/i915_gem_context.c
View File

@ -258,8 +258,7 @@ i915_gem_create_context(struct drm_device *dev,
* context.
*/
ret = i915_gem_obj_ggtt_pin(ctx->obj,
get_context_alignment(dev),
false, false);
get_context_alignment(dev), 0);
if (ret) {
DRM_DEBUG_DRIVER("Couldn't pin %d\n", ret);
goto err_destroy;
@ -335,8 +334,7 @@ void i915_gem_context_reset(struct drm_device *dev)
if (i == RCS) {
WARN_ON(i915_gem_obj_ggtt_pin(dctx->obj,
get_context_alignment(dev),
false, false));
get_context_alignment(dev), 0));
/* Fake a finish/inactive */
dctx->obj->base.write_domain = 0;
dctx->obj->active = 0;
@ -612,8 +610,7 @@ static int do_switch(struct intel_ring_buffer *ring,
/* Trying to pin first makes error handling easier. */
if (ring == &dev_priv->ring[RCS]) {
ret = i915_gem_obj_ggtt_pin(to->obj,
get_context_alignment(ring->dev),
false, false);
get_context_alignment(ring->dev), 0);
if (ret)
return ret;
}

10
drivers/gpu/drm/i915/i915_gem_evict.c
View File

@ -68,7 +68,7 @@ mark_free(struct i915_vma *vma, struct list_head *unwind)
int
i915_gem_evict_something(struct drm_device *dev, struct i915_address_space *vm,
int min_size, unsigned alignment, unsigned cache_level,
bool mappable, bool nonblocking)
unsigned flags)
{
drm_i915_private_t *dev_priv = dev->dev_private;
struct list_head eviction_list, unwind_list;
@ -76,7 +76,7 @@ i915_gem_evict_something(struct drm_device *dev, struct i915_address_space *vm,
int ret = 0;
int pass = 0;
trace_i915_gem_evict(dev, min_size, alignment, mappable);
trace_i915_gem_evict(dev, min_size, alignment, flags);
/*
* The goal is to evict objects and amalgamate space in LRU order.
@ -102,7 +102,7 @@ i915_gem_evict_something(struct drm_device *dev, struct i915_address_space *vm,
*/
INIT_LIST_HEAD(&unwind_list);
if (mappable) {
if (flags & PIN_MAPPABLE) {
BUG_ON(!i915_is_ggtt(vm));
drm_mm_init_scan_with_range(&vm->mm, min_size,
alignment, cache_level, 0,
@ -117,7 +117,7 @@ search_again:
goto found;
}
if (nonblocking)
if (flags & PIN_NONBLOCK)
goto none;
/* Now merge in the soon-to-be-expired objects... */
@ -141,7 +141,7 @@ none:
/* Can we unpin some objects such as idle hw contents,
* or pending flips?
*/
if (nonblocking)
if (flags & PIN_NONBLOCK)
return -ENOSPC;
/* Only idle the GPU and repeat the search once */

19
drivers/gpu/drm/i915/i915_gem_execbuffer.c
View File

@ -544,19 +544,23 @@ 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, need_mappable;
u32 flags = (entry->flags & EXEC_OBJECT_NEEDS_GTT) &&
!vma->obj->has_global_gtt_mapping ? GLOBAL_BIND : 0;
bool need_fence;
unsigned flags;
int ret;
flags = 0;
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_fence || need_reloc_mappable(vma))
flags |= PIN_MAPPABLE;
ret = i915_gem_object_pin(obj, vma->vm, entry->alignment, need_mappable,
false);
if (entry->flags & EXEC_OBJECT_NEEDS_GTT)
flags |= PIN_MAPPABLE;
ret = i915_gem_object_pin(obj, vma->vm, entry->alignment, flags);
if (ret)
return ret;
@ -585,6 +589,9 @@ i915_gem_execbuffer_reserve_vma(struct i915_vma *vma,
obj->base.pending_write_domain = I915_GEM_DOMAIN_RENDER;
}
/* Temporary hack while we rework the binding logic. */
flags = (entry->flags & EXEC_OBJECT_NEEDS_GTT) &&
!vma->obj->has_global_gtt_mapping ? GLOBAL_BIND : 0;
vma->bind_vma(vma, obj->cache_level, flags);
return 0;

2
drivers/gpu/drm/i915/i915_gem_gtt.c
View File

@ -885,7 +885,7 @@ alloc:
if (ret == -ENOSPC && !retried) {
ret = i915_gem_evict_something(dev, &dev_priv->gtt.base,
GEN6_PD_SIZE, GEN6_PD_ALIGN,
I915_CACHE_NONE, false, true);
I915_CACHE_NONE, PIN_NONBLOCK);
if (ret)
return ret;

20
drivers/gpu/drm/i915/i915_trace.h
View File

@ -34,15 +34,15 @@ TRACE_EVENT(i915_gem_object_create,
);
TRACE_EVENT(i915_vma_bind,
TP_PROTO(struct i915_vma *vma, bool mappable),
TP_ARGS(vma, mappable),
TP_PROTO(struct i915_vma *vma, unsigned flags),
TP_ARGS(vma, flags),
TP_STRUCT__entry(
__field(struct drm_i915_gem_object *, obj)
__field(struct i915_address_space *, vm)
__field(u32, offset)
__field(u32, size)
__field(bool, mappable)
__field(unsigned, flags)
),
TP_fast_assign(
@ -50,12 +50,12 @@ TRACE_EVENT(i915_vma_bind,
__entry->vm = vma->vm;
__entry->offset = vma->node.start;
__entry->size = vma->node.size;
__entry->mappable = mappable;
__entry->flags = flags;
),
TP_printk("obj=%p, offset=%08x size=%x%s vm=%p",
__entry->obj, __entry->offset, __entry->size,
__entry->mappable ? ", mappable" : "",
__entry->flags & PIN_MAPPABLE ? ", mappable" : "",
__entry->vm)
);
@ -196,26 +196,26 @@ DEFINE_EVENT(i915_gem_object, i915_gem_object_destroy,
);
TRACE_EVENT(i915_gem_evict,
TP_PROTO(struct drm_device *dev, u32 size, u32 align, bool mappable),
TP_ARGS(dev, size, align, mappable),
TP_PROTO(struct drm_device *dev, u32 size, u32 align, unsigned flags),
TP_ARGS(dev, size, align, flags),
TP_STRUCT__entry(
__field(u32, dev)
__field(u32, size)
__field(u32, align)
__field(bool, mappable)
__field(unsigned, flags)
),
TP_fast_assign(
__entry->dev = dev->primary->index;
__entry->size = size;
__entry->align = align;
__entry->mappable = mappable;
__entry->flags = flags;
),
TP_printk("dev=%d, size=%d, align=%d %s",
__entry->dev, __entry->size, __entry->align,
__entry->mappable ? ", mappable" : "")
__entry->flags & PIN_MAPPABLE ? ", mappable" : "")
);
TRACE_EVENT(i915_gem_evict_everything,

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

@ -1349,7 +1349,7 @@ void intel_setup_overlay(struct drm_device *dev)
}
overlay->flip_addr = reg_bo->phys_obj->handle->busaddr;
} else {
ret = i915_gem_obj_ggtt_pin(reg_bo, PAGE_SIZE, true, false);
ret = i915_gem_obj_ggtt_pin(reg_bo, PAGE_SIZE, PIN_MAPPABLE);
if (ret) {
DRM_ERROR("failed to pin overlay register bo\n");
goto out_free_bo;

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

@ -2741,7 +2741,7 @@ intel_alloc_context_page(struct drm_device *dev)
return NULL;
}
ret = i915_gem_obj_ggtt_pin(ctx, 4096, true, false);
ret = i915_gem_obj_ggtt_pin(ctx, 4096, PIN_MAPPABLE);
if (ret) {
DRM_ERROR("failed to pin power context: %d\n", ret);
goto err_unref;

11
drivers/gpu/drm/i915/intel_ringbuffer.c
View File

@ -533,7 +533,7 @@ init_pipe_control(struct intel_ring_buffer *ring)
i915_gem_object_set_cache_level(ring->scratch.obj, I915_CACHE_LLC);
ret = i915_gem_obj_ggtt_pin(ring->scratch.obj, 4096, true, false);
ret = i915_gem_obj_ggtt_pin(ring->scratch.obj, 4096, 0);
if (ret)
goto err_unref;
@ -1273,10 +1273,9 @@ static int init_status_page(struct intel_ring_buffer *ring)
i915_gem_object_set_cache_level(obj, I915_CACHE_LLC);
ret = i915_gem_obj_ggtt_pin(obj, 4096, true, false);
if (ret != 0) {
ret = i915_gem_obj_ggtt_pin(obj, 4096, PIN_MAPPABLE);
if (ret)
goto err_unref;
}
ring->status_page.gfx_addr = i915_gem_obj_ggtt_offset(obj);
ring->status_page.page_addr = kmap(sg_page(obj->pages->sgl));
@ -1356,7 +1355,7 @@ static int intel_init_ring_buffer(struct drm_device *dev,
ring->obj = obj;
ret = i915_gem_obj_ggtt_pin(obj, PAGE_SIZE, true, false);
ret = i915_gem_obj_ggtt_pin(obj, PAGE_SIZE, PIN_MAPPABLE);
if (ret)
goto err_unref;
@ -1919,7 +1918,7 @@ int intel_init_render_ring_buffer(struct drm_device *dev)
return -ENOMEM;
}
ret = i915_gem_obj_ggtt_pin(obj, 0, true, false);
ret = i915_gem_obj_ggtt_pin(obj, 0, PIN_MAPPABLE);
if (ret != 0) {
drm_gem_object_unreference(&obj->base);
DRM_ERROR("Failed to ping batch bo\n");