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[AMD Public Use]
Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>
From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> on behalf of Jack Zhang <Jack.Zhang1@xxxxxxx>
Sent: Wednesday, April 8, 2020 6:33 AM To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx <amd-gfx@xxxxxxxxxxxxxxxxxxxxx> Cc: Zhang, Jack (Jian) <Jack.Zhang1@xxxxxxx> Subject: [PATCH] drm/amdgpu/sriov move program of sq_config to PF Since SQ_CONFIG will influence performance behavior, it's
unsafe to program in VF. Therefore, program of SQ_CONFIG need to be moved to PF under siov. Skip it here in guest driver. Signed-off-by: Jack Zhang <Jack.Zhang1@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index 2d56b067..9bb89f2 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -2575,7 +2575,8 @@ static void gfx_v9_0_constants_init(struct amdgpu_device *adev) gfx_v9_0_init_compute_vmid(adev); gfx_v9_0_init_gds_vmid(adev); - gfx_v9_0_init_sq_config(adev); + if (!amdgpu_sriov_vf(adev)) + gfx_v9_0_init_sq_config(adev); } static void gfx_v9_0_wait_for_rlc_serdes(struct amdgpu_device *adev) -- 2.7.4 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://nam11.safelinks.protection.outlook.com/?url=""> |
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