-----Original Message----- From: Jack Zhang <Jack.Zhang1@xxxxxxx> Sent: Wednesday, April 8, 2020 6:34 PM To: 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://lists.freedesktop.org/mailman/listinfo/amd-gfx
