[AMD Public Use] Acked-by: Alex Deucher <[email protected]> ________________________________ From: amd-gfx <[email protected]> on behalf of Jack Zhang <[email protected]> Sent: Wednesday, April 8, 2020 6:33 AM To: [email protected] <[email protected]> Cc: Zhang, Jack (Jian) <[email protected]> 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 <[email protected]> --- 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 [email protected] https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.freedesktop.org%2Fmailman%2Flistinfo%2Famd-gfx&data=02%7C01%7Calexander.deucher%40amd.com%7C38604ab03f8142a547f808d7dba854d4%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637219388971131150&sdata=gBSa%2BchPmFMSaTgAq8z5Sabs3G6ARuHN8wAPSi%2FoJqA%3D&reserved=0
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