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drm/amdgpu: Skip access GRBM_CNTL under SRIOV on gfx_v11

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[Why]
GRBM_CNTL is a PF_only register on gfx_v11.
RLCG interface will return "out of range" under SRIOV VF.

[How]
Skip access GRBM_CNTL under gfx_v11 SRIOV VF.

Signed-off-by: Yifan Zha <Yifan.Zha@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Yifan Zha
2022-10-25 16:55:05 +08:00
committed by Alex Deucher
parent 2103c42198
commit 47a7470bb2
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
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@@ -1626,7 +1626,8 @@ static void gfx_v11_0_constants_init(struct amdgpu_device *adev)
u32 tmp;
int i;
WREG32_FIELD15_PREREG(GC, 0, GRBM_CNTL, READ_TIMEOUT, 0xff);
if (!amdgpu_sriov_vf(adev))
WREG32_FIELD15_PREREG(GC, 0, GRBM_CNTL, READ_TIMEOUT, 0xff);
gfx_v11_0_setup_rb(adev);
gfx_v11_0_get_cu_info(adev, &adev->gfx.cu_info);