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drm/amdgpu/gfx11: only enable CP GFX shadowing on SR-IOV 

This is only required for SR-IOV world switches, but it
adds additional latency leading to reduced performance in
some benchmarks.  Disable for now on bare metal.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2023-07-28 16:53:49 -04:00
parent ec8e59cb4e
commit 81af32520e
1 changed files with 6 additions and 2 deletions
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8
drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
View File

@ -471,8 +471,12 @@ static void gfx_v11_0_check_fw_cp_gfx_shadow(struct amdgpu_device *adev)
case IP_VERSION(11, 0, 3):
if ((adev->gfx.me_fw_version >= 1505) &&
(adev->gfx.pfp_fw_version >= 1600) &&
(adev->gfx.mec_fw_version >= 512))
adev->gfx.cp_gfx_shadow = true;
(adev->gfx.mec_fw_version >= 512)) {
if (amdgpu_sriov_vf(adev))
adev->gfx.cp_gfx_shadow = true;
else
adev->gfx.cp_gfx_shadow = false;
}
break;
default:
adev->gfx.cp_gfx_shadow = false;