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.PaneerSelvam@amd.com Suggested-by: Christian König christian.koenig@amd.com Cc: stable@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