Set the dirty bit when the memory resource is not cleared
during BO release.
v2(Christian):
- Drop the cleared flag set to false.
- Improve the amdgpu_vram_mgr_set_clear_state() function.
v3:
- Add back the resource clear flag set function call after
being wiped during eviction (Christian).
- Modified the patch subject name.
Signed-off-by: Arunpravin Paneer Selvam <arunpravin.paneersel...@amd.com>
Suggested-by: Christian König <christian.koe...@amd.com>
Cc: sta...@vger.kernel.org
Fixes: a68c7eaa7a8f ("drm/amdgpu: Enable clear page functionality")
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.h
b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.h
index b256cbc2bc27..2c88d5fd87da 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.h
@@ -66,7 +66,10 @@ to_amdgpu_vram_mgr_resource(struct ttm_resource *res)
static inline void amdgpu_vram_mgr_set_cleared(struct ttm_resource *res)
{
- to_amdgpu_vram_mgr_resource(res)->flags |= DRM_BUDDY_CLEARED;
+ struct amdgpu_vram_mgr_resource *ares =
to_amdgpu_vram_mgr_resource(res);
+
+ WARN_ON(ares->flags & DRM_BUDDY_CLEARED);
+ ares->flags |= DRM_BUDDY_CLEARED;
}
#endif
--
2.43.0
