On Tue, Oct 18, 2022 at 11:03 AM Marek Vasut <marex@xxxxxxx> wrote: > On 10/18/22 10:53, Linus Walleij wrote: > > On Thu, Oct 13, 2022 at 12:12 AM Marek Vasut <marex@xxxxxxx> 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 <marex@xxxxxxx> > >> --- > >> Cc: Guido Günther <agx@xxxxxxxxxxx> > >> Cc: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> > >> Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > >> Cc: Linus Walleij <linus.walleij@xxxxxxxxxx> > >> Cc: Sam Ravnborg <sam@xxxxxxxxxxxx> > >> Cc: Thierry Reding <thierry.reding@xxxxxxxxx> > >> --- > >> 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. > > Can I maybe get RB until then ? Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx> I've been told to go and poke the DRM git people at IRC to rebase the fixes branch. Yours, Linus Walleij