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drm/amdgpu: init return value in amdgpu_ttm_clear_buffer

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commit d3c7059b6a8600fc62cd863f1ea203b8675e63e1 upstream.

Otherwise an uninitialized value can be returned if
amdgpu_res_cleared returns true for all regions.

Possibly closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3812

Fixes: a68c7eaa7a ("drm/amdgpu: Enable clear page functionality")
Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 7c62aacc3b452f73a1284198c81551035fac6d71)
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Pierre-Eric Pelloux-Prayer
2025-02-20 14:41:59 +01:00
committed by Greg Kroah-Hartman
parent 98ef70dd98
commit d2c9625b0a
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
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@@ -2280,7 +2280,7 @@ int amdgpu_ttm_clear_buffer(struct amdgpu_bo *bo,
struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring;
struct amdgpu_res_cursor cursor;
u64 addr;
int r;
int r = 0;
if (!adev->mman.buffer_funcs_enabled)
return -EINVAL;