[AMD Official Use Only - General] Reviewed-By: Horace Chen <[email protected]>
-----Original Message----- From: Yin, ZhenGuo (Chris) <[email protected]> Sent: Monday, November 27, 2023 10:43 AM To: Yin, ZhenGuo (Chris) <[email protected]>; [email protected]; Zha, YiFan(Even) <[email protected]>; Chen, Horace <[email protected]> Subject: Re: [PATCH] drm/amdgpu: Skip access gfx11 golden registers under SRIOV Add potential reviewers. On 11/23/2023 4:57 PM, ZhenGuo Yin wrote: > [Why] > Golden registers are PF-only registers on gfx11. > RLCG interface will return "out-of-range" under SRIOV VF. > > [How] > Skip access gfx11 golden registers under SRIOV. > > Signed-off-by: ZhenGuo Yin <[email protected]> > --- > drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c > b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c > index 8ed4a6fb147a..288e926e5cd4 100644 > --- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c > +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c > @@ -293,6 +293,9 @@ static void gfx_v11_0_set_kiq_pm4_funcs(struct > amdgpu_device *adev) > > static void gfx_v11_0_init_golden_registers(struct amdgpu_device *adev) > { > + if (amdgpu_sriov_vf(adev)) > + return; > + > switch (amdgpu_ip_version(adev, GC_HWIP, 0)) { > case IP_VERSION(11, 0, 1): > case IP_VERSION(11, 0, 4):
