Commit 0b169571 authored by Victor Lu's avatar Victor Lu Committed by Alex Deucher
Browse files

drm/amdgpu: Do not program PF-only regs in hdp_v4_0.c under SRIOV (v2) 



The following regs can only be programmed by the PF:
HDP_MISC_CNTL
HDP_NONSURFACE_BASE
HDP_NONSURFACE_BASE_HI

v2: update commit message

Signed-off-by: default avatarVictor Lu <victorchengchi.lu@amd.com>
Reviewed-by: default avatarSamir Dhume <samir.dhume@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent a78b4814

drivers/gpu/drm/amd/amdgpu/hdp_v4_0.c

+4 −0
Original line number Diff line number Diff line
@@ -145,6 +145,10 @@ static void hdp_v4_0_init_registers(struct amdgpu_device *adev) 
		break;

	}



	/* Do not program registers if VF */

	if (amdgpu_sriov_vf(adev))

		return;



	WREG32_FIELD15(HDP, 0, HDP_MISC_CNTL, FLUSH_INVALIDATE_CACHE, 1);



	if (amdgpu_ip_version(adev, HDP_HWIP, 0) == IP_VERSION(4, 4, 0))