Re: [PATCH v3] drm/msm/dsi: only powerup at modeset time if "early_poweron" modparam

2022-05-12 Thread Doug Anderson
Hi, On Thu, May 12, 2022 at 1:59 PM Dmitry Baryshkov wrote: > > On 12/05/2022 23:52, Douglas Anderson wrote: > > Commit 7d8e9a90509f ("drm/msm/dsi: move DSI host powerup to modeset > > time") caused sc7180 Chromebooks that use the parade-ps8640 bridge > > chip to fail to turn the display back on

Re: [PATCH v3] drm/msm/dsi: only powerup at modeset time if "early_poweron" modparam

2022-05-12 Thread Dmitry Baryshkov
On 12/05/2022 23:52, Douglas Anderson wrote: Commit 7d8e9a90509f ("drm/msm/dsi: move DSI host powerup to modeset time") caused sc7180 Chromebooks that use the parade-ps8640 bridge chip to fail to turn the display back on after it turns off. Unfortunately, it doesn't look easy to fix the

[PATCH v3] drm/msm/dsi: only powerup at modeset time if "early_poweron" modparam

2022-05-12 Thread Douglas Anderson
Commit 7d8e9a90509f ("drm/msm/dsi: move DSI host powerup to modeset time") caused sc7180 Chromebooks that use the parade-ps8640 bridge chip to fail to turn the display back on after it turns off. Unfortunately, it doesn't look easy to fix the parade-ps8640 driver to handle the new power sequence.