From e341631f4a3129538cc398305649d54e6c0937d4 Mon Sep 17 00:00:00 2001 From: Jesse Zhang Date: Fri, 13 Oct 2023 09:28:44 +0800 Subject: [PATCH] drm/amdgpu: disable GFXOFF and PG during compute for GFX9 Temporary workaround to fix issues observed in some compute applications when GFXOFF is enabled on GFX9. Signed-off-by: Jesse Zhang Acked-by: Alex Deucher Signed-off-by: Alex Deucher --- 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 d3805dbbbb6f..b8412202a1b0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -683,12 +683,19 @@ err: void amdgpu_amdkfd_set_compute_idle(struct amdgpu_device *adev, bool idle) { + enum amd_powergating_state state = idle ? AMD_PG_STATE_GATE : AMD_PG_STATE_UNGATE; /* Temporary workaround to fix issues observed in some * compute applications when GFXOFF is enabled on GFX11. */ if (IP_VERSION_MAJ(amdgpu_ip_version(adev, GC_HWIP, 0)) == 11) { pr_debug("GFXOFF is %s\n", idle ? "enabled" : "disabled"); amdgpu_gfx_off_ctrl(adev, idle); + } else if ((IP_VERSION_MAJ(amdgpu_ip_version(adev, GC_HWIP, 0)) == 9) && + (adev->flags & AMD_IS_APU)) { + /* Disable GFXOFF and PG. Temporary workaround + * to fix some compute applications issue on GFX9. + */ + adev->ip_blocks[AMD_IP_BLOCK_TYPE_GFX].version->funcs->set_powergating_state((void *)adev, state); } amdgpu_dpm_switch_power_profile(adev, PP_SMC_POWER_PROFILE_COMPUTE,