Hi Neil, On Mon, Mar 18, 2024 at 10:03:21AM +0100, Neil Armstrong wrote: > On 17/03/2024 16:48, Laurent Pinchart wrote: > > The ilitek-ili9881c controls the reset GPIO using the non-sleeping > > gpiod_set_value() function. This complains loudly when the GPIO > > controller needs to sleep. As the caller can sleep, use > > gpiod_set_value_cansleep() to fix the issue. > > Seems something buggy happened to the patchset, this patch doesn't appear > in the cover letter and insn't numbered... I've sent it separately, as it's functionally independent from the small series for the same driver. > > Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > > --- > > drivers/gpu/drm/panel/panel-ilitek-ili9881c.c | 6 +++--- > > 1 file changed, 3 insertions(+), 3 deletions(-) > > > > diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c > > index 80b386f91320..084c37fa7348 100644 > > --- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c > > +++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c > > @@ -1276,10 +1276,10 @@ static int ili9881c_prepare(struct drm_panel *panel) > > msleep(5); > > > > /* And reset it */ > > - gpiod_set_value(ctx->reset, 1); > > + gpiod_set_value_cansleep(ctx->reset, 1); > > msleep(20); > > > > - gpiod_set_value(ctx->reset, 0); > > + gpiod_set_value_cansleep(ctx->reset, 0); > > msleep(20); > > > > for (i = 0; i < ctx->desc->init_length; i++) { > > @@ -1334,7 +1334,7 @@ static int ili9881c_unprepare(struct drm_panel *panel) > > > > mipi_dsi_dcs_enter_sleep_mode(ctx->dsi); > > regulator_disable(ctx->power); > > - gpiod_set_value(ctx->reset, 1); > > + gpiod_set_value_cansleep(ctx->reset, 1); > > > > return 0; > > } > > Anyway: > Reviewed-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx> -- Regards, Laurent Pinchart