Commit 3646cc65 authored by Victor Lu's avatar Victor Lu Committed by Alex Deucher
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drm/amdgpu: Do not write to GRBM_CNTL if Aldebaran SRIOV 



Aldebaran SRIOV VF does not have write permissions to GRBM_CTNL.
This access can be skipped to avoid a dmesg warning.

v2: Use GC IP version check instead of asic check

Signed-off-by: default avatarVictor Lu <victorchengchi.lu@amd.com>
Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent a29936bc

drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c

+4 −1
Original line number Diff line number Diff line
@@ -2637,7 +2637,10 @@ static void gfx_v9_0_constants_init(struct amdgpu_device *adev) 
	u32 tmp;

	int i;



	if (!amdgpu_sriov_vf(adev) ||

	    amdgpu_ip_version(adev, GC_HWIP, 0) != IP_VERSION(9, 4, 2)) {

		WREG32_FIELD15_RLC(GC, 0, GRBM_CNTL, READ_TIMEOUT, 0xff);

	}



	gfx_v9_0_tiling_mode_table_init(adev);