This is a note to let you know that I've just added the patch titled
drm/amdgpu: fix doorbell regression
to the 6.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-amdgpu-fix-doorbell-regression.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit c24af57f3a3befc79bc64aa489e160691c50f44d
Author: Shashank Sharma <shashank.sharma@xxxxxxx>
Date: Mon Apr 29 14:29:47 2024 +0200
drm/amdgpu: fix doorbell regression
[ Upstream commit 705d0480e6ae5a73ca3a9c04316d0678e19a46ed ]
This patch adds a missed handling of PL domain doorbell while
handling VRAM faults.
Cc: Christian Koenig <christian.koenig@xxxxxxx>
Cc: Alex Deucher <alexander.deucher@xxxxxxx>
Fixes: a6ff969fe9cb ("drm/amdgpu: fix visible VRAM handling during faults")
Reviewed-by: Christian Koenig <christian.koenig@xxxxxxx>
Signed-off-by: Shashank Sharma <shashank.sharma@xxxxxxx>
Signed-off-by: Arvind Yadav <arvind.yadav@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index d1687b5725693..b95018b1d2ae6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -424,7 +424,7 @@ bool amdgpu_res_cpu_visible(struct amdgpu_device *adev,
return false;
if (res->mem_type == TTM_PL_SYSTEM || res->mem_type == TTM_PL_TT ||
- res->mem_type == AMDGPU_PL_PREEMPT)
+ res->mem_type == AMDGPU_PL_PREEMPT || res->mem_type == AMDGPU_PL_DOORBELL)
return true;
if (res->mem_type != TTM_PL_VRAM)
