[PATCH v1 21/22] drm/omap: display: Backlight update

Sam Ravnborg sam at ravnborg.org
Sun Aug 2 14:32:07 UTC 2020


Hi Sebastian.

On Sun, Aug 02, 2020 at 04:26:05PM +0200, Sebastian Reichel wrote:
> Hi,
> 
> On Sun, Aug 02, 2020 at 01:06:35PM +0200, Sam Ravnborg wrote:
> > - Introduce backlight_{enable/disable)
> > - Use get/set methods for backlight_properties
> > - Drop redundant get_brightness() implementation
> >   The default implementation return the current brightness value
> > - Use macro for backlight initialization
> > 
> > Signed-off-by: Sam Ravnborg <sam at ravnborg.org>
> > Cc: Tomi Valkeinen <tomi.valkeinen at ti.com>
> > Cc: Sebastian Reichel <sebastian.reichel at collabora.com>
> > Cc: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> > Cc: Zheng Bin <zhengbin13 at huawei.com>
> > Cc: Sam Ravnborg <sam at ravnborg.org>
> > ---
> >  .../gpu/drm/omapdrm/displays/panel-dsi-cm.c   | 35 ++++---------------
> >  1 file changed, 6 insertions(+), 29 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
> > index 3484b5d4a91c..433e240896b3 100644
> > --- a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
> > +++ b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
> > @@ -110,15 +110,10 @@ static void dsicm_bl_power(struct panel_drv_data *ddata, bool enable)
> >  	else
> >  		return;
> >  
> > -	if (enable) {
> > -		backlight->props.fb_blank = FB_BLANK_UNBLANK;
> > -		backlight->props.state = ~(BL_CORE_FBBLANK | BL_CORE_SUSPENDED);
> > -		backlight->props.power = FB_BLANK_UNBLANK;
> > -	} else {
> > -		backlight->props.fb_blank = FB_BLANK_NORMAL;
> > -		backlight->props.power = FB_BLANK_POWERDOWN;
> > -		backlight->props.state |= BL_CORE_FBBLANK | BL_CORE_SUSPENDED;
> > -	}
> > +	if (enable)
> > +		backlight_enable(backlight);
> > +	else
> > +		backlight_disable(backlight);
> >  
> >  	backlight_update_status(backlight);
> 
> backlight_update_status() is already called by backlight_enable/disable.

Right, thanks.
Dropped in v2.

Let me know if you already have a similar patch and if I shall drop
this.

It would be nice to have the panel parts of omapdrm migrated in this cycle.
I recall you have 50+ patches pending.

	Sam


More information about the dri-devel mailing list