Commit e341631f authored by Jesse Zhang's avatar Jesse Zhang Committed by Alex Deucher
Browse files

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: default avatarJesse Zhang <Jesse.Zhang@amd.com>
Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent ef2354c7

drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c

+7 −0
Original line number Diff line number Diff line
@@ -683,12 +683,19 @@ int amdgpu_amdkfd_submit_ib(struct amdgpu_device *adev, 


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,