Quoting Stephen Kitt (2022-06-16 18:08:21) > This started with work on the removal of backlight_properties' > deprecated fb_blank field, much of which can be taken care of by using > helper functions provided by backlight.h instead of directly accessing > fields in backlight_properties. This patch series doesn't involve > fb_blank, but it still seems useful to use helper functions where > appropriate. > > Instead of retrieving the backlight brightness in struct > backlight_properties manually, and then checking whether the backlight > should be on at all, use backlight_get_brightness() which does all > this and insulates this from future changes. > > Signed-off-by: Stephen Kitt <steve@xxxxxxx> > Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > Cc: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx> Hi Stephen, This looks reasonable to me too. Reviewed-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx> > Cc: David Airlie <airlied@xxxxxxxx> > Cc: Daniel Vetter <daniel@xxxxxxxx> > Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx > --- > Changes since v1: clarified commit message, this doesn't touch fb_blank > --- > drivers/gpu/drm/shmobile/shmob_drm_backlight.c | 6 +----- > 1 file changed, 1 insertion(+), 5 deletions(-) > > diff --git a/drivers/gpu/drm/shmobile/shmob_drm_backlight.c b/drivers/gpu/drm/shmobile/shmob_drm_backlight.c > index f6628a5ee95f..794573badfe8 100644 > --- a/drivers/gpu/drm/shmobile/shmob_drm_backlight.c > +++ b/drivers/gpu/drm/shmobile/shmob_drm_backlight.c > @@ -18,11 +18,7 @@ static int shmob_drm_backlight_update(struct backlight_device *bdev) > struct shmob_drm_connector *scon = bl_get_data(bdev); > struct shmob_drm_device *sdev = scon->connector.dev->dev_private; > const struct shmob_drm_backlight_data *bdata = &sdev->pdata->backlight; > - int brightness = bdev->props.brightness; > - > - if (bdev->props.power != FB_BLANK_UNBLANK || > - bdev->props.state & BL_CORE_SUSPENDED) > - brightness = 0; > + int brightness = backlight_get_brightness(bdev); > > return bdata->set_brightness(brightness); > } > > base-commit: f2906aa863381afb0015a9eb7fefad885d4e5a56 > -- > 2.30.2 >