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drm/amdgpu: Remove clock gating restore.

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

Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-and-tested-by: Guchun Chen <guchun.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Andrey Grodzovsky 2019-09-04 11:16:24 -04:00 committed by Alex Deucher
parent 1963b7c3be
commit 103efdc1ea
1 changed files with 9 additions and 1 deletions
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10
drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c
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@ -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); */
}