Commit 39ea6e5f authored by Evan Quan's avatar Evan Quan Committed by Alex Deucher
Browse files

drm/amdgpu: change pstate only after all XGMI device initialized 



Pstate settings should be performed after all device of the
XGMI setup get initialized.

Signed-off-by: default avatarEvan Quan <evan.quan@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 89b3d864

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

+12 −3
Original line number Diff line number Diff line
@@ -2082,9 +2082,6 @@ static int amdgpu_device_ip_late_init(struct amdgpu_device *adev) 
	if (r)

		DRM_ERROR("enable mgpu fan boost failed (%d).\n", r);



	/* set to low pstate by default */

	amdgpu_xgmi_set_pstate(adev, 0);



	return 0;

}
@@ -2197,6 +2194,18 @@ static void amdgpu_device_delayed_init_work_handler(struct work_struct *work) 
	r = amdgpu_ib_ring_tests(adev);

	if (r)

		DRM_ERROR("ib ring test failed (%d).\n", r);



	/*

	 * set to low pstate by default

	 * This should be performed after all devices from

	 * XGMI finish their initializations. Thus it's moved

	 * to here.

	 * The time delay is 2S. TODO: confirm whether that

	 * is enough for all possible XGMI setups.

	 */

	r = amdgpu_xgmi_set_pstate(adev, 0);

	if (r)

		DRM_ERROR("pstate setting failed (%d).\n", r);

}



static void amdgpu_device_delay_enable_gfx_off(struct work_struct *work)