Re: [Freedreno] [PATCH v1 1/5] drm/msm/dp: remove pm_runtime_xxx() from dp_power.c

[Abhinav Kumar <quic_abhinavk@quicinc.com>]

On 7/7/2023 5:06 PM, Dmitry Baryshkov wrote:
> On 08/07/2023 02:52, Kuogee Hsieh wrote:
>> Since both pm_runtime_resume() and pm_runtime_suspend() are not
>> populated at dp_pm_ops. Those pm_runtime_get/put() functions within
>> dp_power.c will not have any effects in addition to increase/decrease
>> power counter.
> 
> Lie.
> 

Even if the commit text is incorrect, review comments like this are not 
helping the patch nor the author and will just get ignored anyway.

>> Also pm_runtime_xxx() should be executed at top
>> layer.
> 
> Why?
> 

I guess he meant to centralize this around dp_display.c. Will elaborate 
while posting the next rev.

>>
>> Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
>> ---
>>   drivers/gpu/drm/msm/dp/dp_power.c | 9 ---------
>>   1 file changed, 9 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/msm/dp/dp_power.c 
>> b/drivers/gpu/drm/msm/dp/dp_power.c
>> index 5cb84ca..ed2f62a 100644
>> --- a/drivers/gpu/drm/msm/dp/dp_power.c
>> +++ b/drivers/gpu/drm/msm/dp/dp_power.c
>> @@ -152,8 +152,6 @@ int dp_power_client_init(struct dp_power *dp_power)
>>       power = container_of(dp_power, struct dp_power_private, dp_power);
>> -    pm_runtime_enable(power->dev);
>> -
>>       return dp_power_clk_init(power);
>>   }
>> @@ -162,8 +160,6 @@ void dp_power_client_deinit(struct dp_power 
>> *dp_power)
>>       struct dp_power_private *power;
>>       power = container_of(dp_power, struct dp_power_private, dp_power);
>> -
>> -    pm_runtime_disable(power->dev);
>>   }
>>   int dp_power_init(struct dp_power *dp_power)
>> @@ -173,11 +169,7 @@ int dp_power_init(struct dp_power *dp_power)
>>       power = container_of(dp_power, struct dp_power_private, dp_power);
>> -    pm_runtime_get_sync(power->dev);
>> -
>>       rc = dp_power_clk_enable(dp_power, DP_CORE_PM, true);
>> -    if (rc)
>> -        pm_runtime_put_sync(power->dev);
>>       return rc;
>>   }
>> @@ -189,7 +181,6 @@ int dp_power_deinit(struct dp_power *dp_power)
>>       power = container_of(dp_power, struct dp_power_private, dp_power);
>>       dp_power_clk_enable(dp_power, DP_CORE_PM, false);
>> -    pm_runtime_put_sync(power->dev);
>>       return 0;
>>   }
>