GGTT VMA sizes might be smaller than the whole object size due to
different GGTT views.
Signed-off-by: Joonas Lahtinen <joonas.lahti...@linux.intel.com>
---
drivers/gpu/drm/i915/i915_gem.c | 32 +++++++++++++++++++-------------
drivers/gpu/drm/i915/i915_gem_gtt.c | 23 +++++++++++++++++++++++
drivers/gpu/drm/i915/i915_gem_gtt.h | 4 ++++
3 files changed, 46 insertions(+), 13 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index f7b8766..77116bd 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -3507,7 +3507,7 @@ i915_gem_object_bind_to_vm(struct drm_i915_gem_object
*obj,
{
struct drm_device *dev = obj->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- u32 size, fence_size, fence_alignment, unfenced_alignment;
+ u32 size, vma_size, fence_size, fence_alignment, unfenced_alignment;
unsigned long start =
flags & PIN_OFFSET_BIAS ? flags & PIN_OFFSET_MASK : 0;
unsigned long end =
@@ -3518,15 +3518,18 @@ i915_gem_object_bind_to_vm(struct drm_i915_gem_object
*obj,
if(WARN_ON(i915_is_ggtt(vm) != !!ggtt_view))
return ERR_PTR(-EINVAL);
+ size = ggtt_view ? i915_ggtt_view_size(obj, ggtt_view) :
+ obj->base.size;
+
fence_size = i915_gem_get_gtt_size(dev,
- obj->base.size,
+ size,
obj->tiling_mode);
fence_alignment = i915_gem_get_gtt_alignment(dev,
- obj->base.size,
+ size,
obj->tiling_mode, true);
unfenced_alignment =
i915_gem_get_gtt_alignment(dev,
- obj->base.size,
+ size,
obj->tiling_mode, false);
if (alignment == 0)
@@ -3537,14 +3540,15 @@ i915_gem_object_bind_to_vm(struct drm_i915_gem_object
*obj,
return ERR_PTR(-EINVAL);
}
- size = flags & PIN_MAPPABLE ? fence_size : obj->base.size;
+ vma_size = flags & PIN_MAPPABLE ? fence_size : size;
/* If the object is bigger than the entire aperture, reject it early
* before evicting everything in a vain attempt to find space.
*/
- if (obj->base.size > end) {
- DRM_DEBUG("Attempting to bind an object larger than the
aperture: object=%zd > %s aperture=%lu\n",
- obj->base.size,
+ if (vma_size > end) {
+ DRM_DEBUG("Attempting to bind %s larger than the aperture:
object=%u > %s aperture=%lu\n",
+ ggtt_view ? "a GGTT view " : "an object",
+ vma_size,
flags & PIN_MAPPABLE ? "mappable" : "total",
end);
return ERR_PTR(-E2BIG);
@@ -3564,13 +3568,13 @@ i915_gem_object_bind_to_vm(struct drm_i915_gem_object
*obj,
search_free:
ret = drm_mm_insert_node_in_range_generic(&vm->mm, &vma->node,
- size, alignment,
+ vma_size, alignment,
obj->cache_level,
start, end,
DRM_MM_SEARCH_DEFAULT,
DRM_MM_CREATE_DEFAULT);
if (ret) {
- ret = i915_gem_evict_something(dev, vm, size, alignment,
+ ret = i915_gem_evict_something(dev, vm, vma_size, alignment,
obj->cache_level,
start, end,
flags);
@@ -4233,13 +4237,15 @@ i915_gem_object_do_pin(struct drm_i915_gem_object *obj,
if ((bound ^ vma->bound) & GLOBAL_BIND) {
bool mappable, fenceable;
- u32 fence_size, fence_alignment;
+ u32 size, fence_size, fence_alignment;
+
+ size = i915_ggtt_view_size(obj, ggtt_view);
fence_size = i915_gem_get_gtt_size(obj->base.dev,
- obj->base.size,
+ size,
obj->tiling_mode);
fence_alignment = i915_gem_get_gtt_alignment(obj->base.dev,
- obj->base.size,
+ size,
obj->tiling_mode,
true);
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c
b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 18c695b..fd99fb5 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -2976,3 +2976,26 @@ int i915_vma_bind(struct i915_vma *vma, enum
i915_cache_level cache_level,
return 0;
}
+
+/**
+ * i915_ggtt_view_size - Get the size of a GGTT view.
+ * @obj: Object the view is of.
+ * @view: The view in question.
+ *
+ * @return The size of the GGTT view in bytes.
+ */
+size_t
+i915_ggtt_view_size(struct drm_i915_gem_object *obj,
+ const struct i915_ggtt_view *view)
+{
+ BUG_ON(!view);
+
+ if (view->type == I915_GGTT_VIEW_NORMAL ||
+ view->type == I915_GGTT_VIEW_ROTATED) {
+ return obj->base.size;
+ } else {
+ WARN_ONCE(1, "GGTT view %u not implemented!\n", view->type);
+ return obj->base.size;
+ }
+}
+
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.h
b/drivers/gpu/drm/i915/i915_gem_gtt.h
index 29de64d..d6d6d5b 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.h
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.h
@@ -498,4 +498,8 @@ i915_ggtt_view_equal(const struct i915_ggtt_view *a,
return a->type == b->type;
}
+size_t
+i915_ggtt_view_size(struct drm_i915_gem_object *obj,
+ const struct i915_ggtt_view *view);
+
#endif
--
1.9.3
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