Move the existing checking inside bind_to_gtt() to the more appropriate
layer in order to prevent recreation of the pages after they have been
explicitly truncated.
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
---
drivers/gpu/drm/i915/i915_gem.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 5b385ca..89a1f03 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1848,6 +1848,11 @@ i915_gem_object_get_pages(struct drm_i915_gem_object
*obj)
if (obj->pages)
return 0;
+ if (obj->madv != I915_MADV_WILLNEED) {
+ DRM_ERROR("Attempting to obtain a purgeable object\n");
+ return -EINVAL;
+ }
+
BUG_ON(obj->pages_pin_count);
ret = ops->get_pages(obj);
@@ -2460,7 +2465,7 @@ int
i915_gem_object_unbind(struct drm_i915_gem_object *obj)
{
drm_i915_private_t *dev_priv = obj->base.dev->dev_private;
- int ret = 0;
+ int ret;
if (obj->gtt_space == NULL)
return 0;
@@ -2914,11 +2919,6 @@ i915_gem_object_bind_to_gtt(struct drm_i915_gem_object
*obj,
bool mappable, fenceable;
int ret;
- if (obj->madv != I915_MADV_WILLNEED) {
- DRM_ERROR("Attempting to bind a purgeable object\n");
- return -EINVAL;
- }
-
fence_size = i915_gem_get_gtt_size(dev,
obj->base.size,
obj->tiling_mode);
--
1.7.10.4
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