On Thu, Oct 13, 2022 at 12:12 AM Marek Vasut <[email protected]> wrote: > The RTNI field is multiplied by 16 and incremented by 512 before being > used as the minimum number of pixel clock per horizontal line, hence > it is necessary to subtract those 512 bytes from htotal and then divide > the result by 16 before writing the value into the RTNI field. Fix the > calculation. > > Fixes: de2b4917843c ("drm/panel/panel-sitronix-st7701: Infer horizontal pixel > count from TFT mode") > Signed-off-by: Marek Vasut <[email protected]> > --- > Cc: Guido Günther <[email protected]> > Cc: Jagan Teki <[email protected]> > Cc: Laurent Pinchart <[email protected]> > Cc: Linus Walleij <[email protected]> > Cc: Sam Ravnborg <[email protected]> > Cc: Thierry Reding <[email protected]> > --- > V2: Clamp the htotal to range 512...1008, so RTNI always fits the bitfield
I tried to apply this to drm-misc-fixes but the branch has not yet been moved forward to v6.1-rc1. Yours, Linus Walleij
