Messages in this thread | | | Date | Sun, 29 Nov 2020 23:11:58 +0100 | From | Sam Ravnborg <> | Subject | Re: [PATCH v4 3/5] drm: panel: simple: Allow specifying the delay from prepare to enable |
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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 training is allowed to happen in parallel with this delay so the > fixed 80 ms delay over-delays. > > We'll support this by logging the time at the end of prepare and then > delaying in enable if enough time hasn't passed. > > Signed-off-by: Douglas Anderson <dianders@chromium.org> Applied too.
Sam
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