[Public] Reviewed-by: Harish Kasiviswanathan <[email protected]>
From: Deucher, Alexander <[email protected]> Sent: Thursday, October 27, 2022 9:56 AM To: Sider, Graham <[email protected]>; [email protected] Cc: Kasiviswanathan, Harish <[email protected]> Subject: Re: [PATCH] drm/amdgpu: disable GFXOFF during compute for GFX11 [Public] Acked-by: Alex Deucher <[email protected]<mailto:[email protected]>> ________________________________ From: amd-gfx <[email protected]<mailto:[email protected]>> on behalf of Graham Sider <[email protected]<mailto:[email protected]>> Sent: Wednesday, October 26, 2022 4:10 PM To: [email protected]<mailto:[email protected]> <[email protected]<mailto:[email protected]>> Cc: Kasiviswanathan, Harish <[email protected]<mailto:[email protected]>>; Sider, Graham <[email protected]<mailto:[email protected]>> Subject: [PATCH] drm/amdgpu: disable GFXOFF during compute for GFX11 Temporary workaround to fix issues observed in some compute applications when GFXOFF is enabled on GFX11. Signed-off-by: Graham Sider <[email protected]<mailto:[email protected]>> --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c index 37db39ba8718..0d764c15f6bf 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -706,6 +706,13 @@ int amdgpu_amdkfd_submit_ib(struct amdgpu_device *adev, void amdgpu_amdkfd_set_compute_idle(struct amdgpu_device *adev, bool idle) { + /* Temporary workaround to fix issues observed in some + * compute applications when GFXOFF is enabled on GFX11. + */ + if (IP_VERSION_MAJ(adev->ip_versions[GC_HWIP][0]) == 11) { + pr_debug("GFXOFF is %s\n", idle ? "enabled" : "disabled"); + amdgpu_gfx_off_ctrl(adev, idle); + } amdgpu_dpm_switch_power_profile(adev, PP_SMC_POWER_PROFILE_COMPUTE, !idle); -- 2.25.1
