Re: [PATCH v5 17/20] drm/panel: panel-simple: Power the panel when reading the EDID

2021-04-28 Thread Sean Paul
On Fri, Apr 23, 2021 at 1:00 PM Douglas Anderson wrote: > > I don't believe that it ever makes sense to read the EDID when a panel > is not powered and the powering on of the panel is the job of > prepare(). Let's make sure that this happens before we try to read the > EDID. We use the pm_runtime

[PATCH v5 17/20] drm/panel: panel-simple: Power the panel when reading the EDID

2021-04-23 Thread Douglas Anderson
I don't believe that it ever makes sense to read the EDID when a panel is not powered and the powering on of the panel is the job of prepare(). Let's make sure that this happens before we try to read the EDID. We use the pm_runtime functions directly rather than directly calling the normal prepare(