When buffers are freed during suspend there is no guarantee that
they can be re-allocated during resume.
The PSP subsystem seems to be quite buggy regarding this, so add
a WARN_ON() to point out those bugs.
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index d0d53e83a318..063bf6f69918 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -428,6 +428,8 @@ void amdgpu_bo_free_kernel(struct amdgpu_bo **bo, u64 *gpu_addr,
if (*bo == NULL)
return;
+ WARN_ON(amdgpu_ttm_adev((*bo)->tbo.bdev)->in_suspend);
+
if (likely(amdgpu_bo_reserve(*bo, true) == 0)) {
if (cpu_addr)
amdgpu_bo_kunmap(*bo);
--
2.34.1
