Commit 2c763f37 authored by Yifan Zha's avatar Yifan Zha Committed by Alex Deucher
Browse files

drm/amdgpu: Skip program gfxhub_v3_0_3 system aperture registers under SRIOV 



[Why]
gfxhub_v3_0_3 system aperture registers are removed from RLCG register access range.

[How]
Skip access gfxhub_v3_0_3 system aperture registers under SRIOV VF.
These registers will be programmed on host side.

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 e1a29b28

drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0_3.c

+3 −0
Original line number Diff line number Diff line
@@ -154,6 +154,9 @@ static void gfxhub_v3_0_3_init_system_aperture_regs(struct amdgpu_device *adev) 
{

	uint64_t value;



	if (amdgpu_sriov_vf(adev))

		return;



	/* Disable AGP. */

	WREG32_SOC15(GC, 0, regGCMC_VM_AGP_BASE, 0);

	WREG32_SOC15(GC, 0, regGCMC_VM_AGP_TOP, 0);