diff options
| author | Hawking Zhang <Hawking.Zhang@amd.com> | 2020-01-09 19:38:25 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-01-14 10:18:09 -0500 |
| commit | 49da2ccd2d6e449b1a5cefd2b3f90e4d9a5c1adb (patch) | |
| tree | f0cde1adef2fbddda95f814c4d8690234199c61a /drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | |
| parent | 5d4667ec33a0d2978afb999eedc81ac54d76fe5c (diff) | |
drm/amdgpu: check sdma ras funcs pointer before accessing
sdma ras funcs are not supported by ASIC prior
to vega20
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Le Ma <Le.Ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c index ec9d7873ed42..5d9597f5ac5f 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c @@ -1809,7 +1809,10 @@ static int sdma_v4_0_late_init(void *handle) RREG32_SDMA(i, mmSDMA0_EDC_COUNTER); } - return adev->sdma.funcs->ras_late_init(adev, &ih_info); + if (adev->sdma.funcs && adev->sdma.funcs->ras_late_init) + return adev->sdma.funcs->ras_late_init(adev, &ih_info); + else + return 0; } static int sdma_v4_0_sw_init(void *handle) @@ -1881,7 +1884,8 @@ static int sdma_v4_0_sw_fini(void *handle) struct amdgpu_device *adev = (struct amdgpu_device *)handle; int i; - adev->sdma.funcs->ras_fini(adev); + if (adev->sdma.funcs && adev->sdma.funcs->ras_fini) + adev->sdma.funcs->ras_fini(adev); for (i = 0; i < adev->sdma.num_instances; i++) { amdgpu_ring_fini(&adev->sdma.instance[i].ring); |