[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: Yifan Zha <[email protected]> --- drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0_3.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0_3.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0_3.c index 5d3fffd4929f..8c5bdf25df12 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0_3.c +++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0_3.c @@ -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); -- 2.25.1
