drm/amdgpu: check domain sanity in amdgpu_bo_pin_restricted()
abort if the bo is pined to other domain already
Signed-off-by: Flora Cui <Flora.Cui@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 4d084ee..0a0f3cb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -520,6 +520,11 @@
return -EINVAL;
if (bo->pin_count) {
+ uint32_t mem_type = bo->tbo.mem.mem_type;
+
+ if (domain != amdgpu_mem_type_to_domain(mem_type))
+ return -EINVAL;
+
bo->pin_count++;
if (gpu_addr)
*gpu_addr = amdgpu_bo_gpu_offset(bo);