Commit 103efdc1 authored by Andrey Grodzovsky's avatar Andrey Grodzovsky Committed by Alex Deucher
Browse files

drm/amdgpu: Remove clock gating restore. 



Restoring clock gating break SMU opeartion afterwards, avoid
this until this further invistigated with SMU.

Signed-off-by: default avatarAndrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: default avatarTao Zhou <tao.zhou1@amd.com>
Reviewed-and-tested-by: default avatarGuchun Chen <guchun.chen@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 1963b7c3

drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c

+9 −1
Original line number Diff line number Diff line
@@ -493,7 +493,15 @@ static void smu_v11_0_i2c_fini(struct i2c_adapter *control) 
	}



	/* Restore clock gating */

	smu_v11_0_i2c_set_clock_gating(control, true);



	/*

	 * TODO Reenabling clock gating seems to break subsequent SMU operation

	 *      on the I2C bus. My guess is that SMU doesn't disable clock gating like

	 *      we do here before working with the bus. So for now just don't restore

	 *      it but later work with SMU to see if they have this issue and can

	 *      update their code appropriately

	 */

	/* smu_v11_0_i2c_set_clock_gating(control, true); */



}

CRA Git | Maintained and supported by SUSTech CRA and CCSE