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drm/amdgpu: fix NULL pointer issue buffer funcs

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If SDMA block not enabled, buffer_funcs will not initialize,
fix the null pointer issue if buffer_funcs not initialized.

Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Likun Gao
2024-07-12 11:07:40 +08:00
committed by Alex Deucher
parent c7685d1110
commit 9877a865d6
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@@ -3311,7 +3311,8 @@ static int amdgpu_device_ip_init(struct amdgpu_device *adev)
if (r)
goto init_failed;
if (adev->mman.buffer_funcs_ring->sched.ready)
if (adev->mman.buffer_funcs_ring &&
adev->mman.buffer_funcs_ring->sched.ready)
amdgpu_ttm_set_buffer_funcs_status(adev, true);
/* Don't init kfd if whole hive need to be reset during init */