drm/amdgpu: Disable UVD PG

This causes problems with multiple suspend/resume cycles.

Signed-off-by: Leo Liu <[e-mail]>
Reviewed-by: Christian König <[e-mail]>
Cc: [e-mail]

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

···
 	case CHIP_CARRIZO:
 		adev->has_uvd = true;
 		adev->cg_flags = 0;
-		adev->pg_flags = AMDGPU_PG_SUPPORT_UVD | AMDGPU_PG_SUPPORT_VCE;
+		/* Disable UVD pg */
+		adev->pg_flags = /* AMDGPU_PG_SUPPORT_UVD | */AMDGPU_PG_SUPPORT_VCE;
 		adev->external_rev_id = adev->rev_id + 0x1;
 		if (amdgpu_smc_load_fw && smc_enabled)
 			adev->firmware.smu_load = true;