diff options
| author | Leo Liu <leo.liu@amd.com> | 2017-11-01 01:03:39 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-11-08 09:08:32 (GMT) |
| commit | 09907f0cbe61f65d9dba6ad1a3bbb9f5ca31c2c9 (patch) | |
| tree | bc6b4fbdf77d9c1c1c70e77db4b85ace2bffc72f /drivers/gpu | |
| parent | b3937f55c725894d03ca6592a8dd29662e85251d (diff) | |
| download | linux-09907f0cbe61f65d9dba6ad1a3bbb9f5ca31c2c9.tar.xz | |
drm/amdgpu: return -ENOENT from uvd 6.0 early init for harvesting
commit cb4b02d7cac56a69d8137d8d843507cca9182aed upstream.
Fixes init failures on polaris cards with harvested UVD.
Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c index ab3df6d..3f445df91 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c @@ -89,6 +89,10 @@ static int uvd_v6_0_early_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; + if (!(adev->flags & AMD_IS_APU) && + (RREG32_SMC(ixCC_HARVEST_FUSES) & CC_HARVEST_FUSES__UVD_DISABLE_MASK)) + return -ENOENT; + uvd_v6_0_set_ring_funcs(adev); uvd_v6_0_set_irq_funcs(adev); |