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drm/amdgpu: disable GFXOFF and PG during compute for GFX9

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Temporary workaround to fix issues observed in some compute
applications when GFXOFF is enabled on GFX9.

Signed-off-by: Jesse Zhang <Jesse.Zhang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jesse Zhang 2023-10-13 09:28:44 +08:00 committed by Alex Deucher
parent ef2354c70f
commit e341631f4a
1 changed files with 7 additions and 0 deletions
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7
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
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@ -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,