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Commit cb4b02d7 authored by Leo Liu's avatar Leo Liu Committed by Alex Deucher
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drm/amdgpu: return -ENOENT from uvd 6.0 early init for harvesting 



Fixes init failures on polaris cards with harvested UVD.

Signed-off-by: default avatarLeo Liu <leo.liu@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
parent d3daa2c7

drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c

+4 −0
Original line number Diff line number Diff line
@@ -93,6 +93,10 @@ 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);