[PATCH v2 04/21] drm/exynos: Fix potential unbalanced calls to pm_runtime_put

Sam Ravnborg sam at ravnborg.org
Sat Oct 12 07:15:26 UTC 2019

Hi Boris/Andrzej.

> > 
> > 
> > > Note that -ENOSYS is actually a valid case, it just
> > > means the panel driver does not implement the hook.  
> > 
> > 
> > It would be good then to fix it in panel framework, ie without hook
> > drm_panel_* function should return 0, ENOSYS makes no sense here.
> I'm fine with that. Thierry, Sam, any opinion?

Agreed, I have following patch in my panel patch queue:

drm/drm_panel: no error when no callback

    The callbacks in drm_panel_funcs are optional, so do not
    return an error just because no callback is assigned.

    Signed-off-by: Sam Ravnborg <sam at ravnborg.org>

If I get time this weekend I will rebase/test and send the
set of patches out.


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