Commit 47a7470b authored by Yifan Zha's avatar Yifan Zha Committed by Alex Deucher
Browse files

drm/amdgpu: Skip access GRBM_CNTL under SRIOV on gfx_v11 



[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: default avatarYifan Zha <Yifan.Zha@amd.com>
Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 2103c421

drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c

+2 −1
Original line number Diff line number Diff line
@@ -1626,6 +1626,7 @@ static void gfx_v11_0_constants_init(struct amdgpu_device *adev) 
	u32 tmp;

	int i;



	if (!amdgpu_sriov_vf(adev))

		WREG32_FIELD15_PREREG(GC, 0, GRBM_CNTL, READ_TIMEOUT, 0xff);



	gfx_v11_0_setup_rb(adev);