Re: [PATCH v4 3/5] drm: panel: simple: Allow specifying the delay from prepare to enable

2020-11-29 Thread Sam Ravnborg
Hi Douglas, On Mon, Nov 09, 2020 at 05:00:57PM -0800, Douglas Anderson wrote: > On the panel I'm looking at, there's an 80 ms minimum time between HPD > being asserted by the panel and setting the backlight enable GPIO. > While we could just add an 80 ms "enable" delay, this is not ideal. > Link

[PATCH v4 3/5] drm: panel: simple: Allow specifying the delay from prepare to enable

2020-11-09 Thread Douglas Anderson
On the panel I'm looking at, there's an 80 ms minimum time between HPD being asserted by the panel and setting the backlight enable GPIO. While we could just add an 80 ms "enable" delay, this is not ideal. Link training is allowed to happen in parallel with this delay so the fixed 80 ms delay