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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>
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1 changed files with 6 additions and 2 deletions
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@ -471,8 +471,12 @@ static void gfx_v11_0_check_fw_cp_gfx_shadow(struct amdgpu_device *adev)
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case IP_VERSION(11, 0, 3):
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if ((adev->gfx.me_fw_version >= 1505) &&
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(adev->gfx.pfp_fw_version >= 1600) &&
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(adev->gfx.mec_fw_version >= 512))
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(adev->gfx.mec_fw_version >= 512)) {
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if (amdgpu_sriov_vf(adev))
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adev->gfx.cp_gfx_shadow = true;
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else
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adev->gfx.cp_gfx_shadow = false;
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}
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break;
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default:
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adev->gfx.cp_gfx_shadow = false;
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