On Wed, 15 Jun 2022 at 00:54, Douglas Anderson <dianders@xxxxxxxxxxxx> wrote: > > Let's add support for being able to read the HPD pin even if it's > hooked directly to the controller. This will let us take away the > waiting in the AUX transfer functions of the eDP controller drivers. > > Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> > --- > > Changes in v4: > - Reorganized logic as per Dmitry's suggestion. > > Changes in v3: > - Don't check "hpd_asserted" boolean when unset. > - Handle errors from gpiod_get_value_cansleep() properly. > > Changes in v2: > - Change is_hpd_asserted() to wait_hpd_asserted() > > .../gpu/drm/panel/panel-samsung-atna33xc20.c | 51 ++++++++++++++----- > 1 file changed, 38 insertions(+), 13 deletions(-) > -- With best wishes Dmitry
