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

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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: Victor Lu <victorchengchi.lu@amd.com>
Reviewed-by: Samir Dhume <samir.dhume@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Victor Lu 2023-10-11 16:27:59 -04:00 committed by Alex Deucher
parent a78b481469
commit 0b1695710a
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/amd/amdgpu/hdp_v4_0.c
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@ -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))