Messages in this thread |  | | Date | Tue, 19 Sep 2023 07:40:58 +1000 | From | John Watts <> | Subject | Re: [RFC PATCH v2 3/9] drm/panel: nv3052c: Sleep for 150ms after reset |
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On Mon, Sep 18, 2023 at 11:34:51PM +0200, Paul Cercueil wrote: > The driver is guaranteed to always reset the panel in sleep-in mode - > as long as the panel was off when the driver started. > > What I'd suggest if you really need to support a case where the panel > was enabled by the bootloader, is to read the 0x0a register after > enabling the regulator to read the mode, and sleep 120ms if it was in > sleep-out mode. > > But that's only if it's a case that you can test with. I won't accept a > patch that makes sense on the surface if it addresses a corner case > that nobody ever tested for. > > For what I know, this patch just adds a huge delay to panel boot-up for > all existing users for no valid reason. > > > Cheers, > -Paul
Thank you very much for this feedback. I am more than happy to throw these sleep patches in the trash and come back later with a proper solution when I have an actual hardware setup and use case to test on.
John.
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