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author | Alex Deucher <alexander.deucher@amd.com> | 2023-07-28 16:53:49 -0400 |
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committer | Alex Deucher <alexander.deucher@amd.com> | 2023-08-09 10:56:14 -0400 |
commit | 2e91e731f24817bc55f9c9acc95a8939c4077b05 (patch) | |
tree | ee803602564139fc0dda48976020a192c0c4f3bc /drivers/gpu/drm | |
parent | 3bb575572bf498a9d39e9d1ca5c06cc3152928a1 (diff) | |
download | linux-stable-2e91e731f24817bc55f9c9acc95a8939c4077b05.tar.gz linux-stable-2e91e731f24817bc55f9c9acc95a8939c4077b05.tar.bz2 linux-stable-2e91e731f24817bc55f9c9acc95a8939c4077b05.zip |
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>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c index 3a7af59e83ca..0451533ddde4 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c @@ -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; |