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

[Abhinav Kumar <quic_abhinavk@xxxxxxxxxxx>]

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@xxxxxxxxxxx>
> > ---
> >   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;
> >   }