On 3/13/26 2:09 PM, David Heidelberg wrote: > On 13/03/2026 13:38, Konrad Dybcio wrote: >> On 3/12/26 12:25 PM, David Heidelberg wrote: >>> On 12/03/2026 03:46, Dmitry Baryshkov wrote: >>>> On Wed, Mar 11, 2026 at 07:44:30PM +0100, David Heidelberg via B4 Relay >>>> wrote: >>>>> From: Petr Hodina <[email protected]> >>>>> >>>>> Currently the panel driver for tianma is broken. >>>> >>>> How broken? Can it be fixed instead? >>> >>> No output to the panel. Definitely can be fixed, but current situation is >>> that we don't have anyone who has available time or device to tackle the >>> problem. >>> >>> I know it's not optimal, but on a way to achieve working mainline phones, >>> my thinking is better to mark it as broken in mainline until someone fixes >>> (assuming Fixes tag and backport) then just going black display (when we >>> have at least framebuffer now). >> >> If you have a person with limited time, would simply copying this: >> >> 2b973ca48ff3 ("drm/panel: sony-td4353-jdi: Enable prepare_prev_first") > > Sorry, I don't follow. You meant introducing prepare_prev_first?
Yes, just setting that single flag > I asked if it's possible to test, but looking at the rest of the driver, > it'll need refactor anyway. Well I'dve assumed it worked at least at some point in time given it's in mainline? Konrad

