Hi Sebastian,
On Wed, Feb 26, 2020 at 10:28:19PM +0100, Sebastian Reichel wrote:
> On Tue, Feb 25, 2020 at 01:42:49AM +0200, Laurent Pinchart wrote:
> > On Tue, Feb 25, 2020 at 12:20:34AM +0100, Sebastian Reichel wrote:
> > > The panel-dsi-cm's ddata->pin_config is always NULL, so this
> > > callback is never called. Instead the DSI encoder gets the pin
> > > configuration directly from DT.
> > >
> > > Signed-off-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx>
> > > ---
> > > drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c | 11 -----------
> > > drivers/gpu/drm/omapdrm/dss/dsi.c | 1 -
> > > drivers/gpu/drm/omapdrm/dss/omapdss.h | 2 --
> > > 3 files changed, 14 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..e7fe5d702337 100644
> > > --- a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
> > > +++ b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
> > > @@ -68,8 +68,6 @@ struct panel_drv_data {
> > > int width_mm;
> > > int height_mm;
> > >
> > > - struct omap_dsi_pin_config pin_config;
> > > -
> > > /* runtime variables */
> > > bool enabled;
> > >
> > > @@ -623,15 +621,6 @@ static int dsicm_power_on(struct panel_drv_data *ddata)
> > > }
> > > }
> > >
> > > - if (ddata->pin_config.num_pins > 0) {
> > > - r = src->ops->dsi.configure_pins(src, &ddata->pin_config);
> > > - if (r) {
> > > - dev_err(&ddata->pdev->dev,
> > > - "failed to configure DSI pins\n");
> > > - goto err_vddi;
> > > - }
> > > - }
> > > -
> > > r = src->ops->dsi.set_config(src, &dsi_config);
> > > if (r) {
> > > dev_err(&ddata->pdev->dev, "failed to configure DSI\n");
> > > diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c
> > > index 79ddfbfd1b58..8c39823a8295 100644
> > > --- a/drivers/gpu/drm/omapdrm/dss/dsi.c
> > > +++ b/drivers/gpu/drm/omapdrm/dss/dsi.c
> > > @@ -4892,7 +4892,6 @@ static const struct omap_dss_device_ops dsi_ops = {
> > >
> > > .enable_hs = dsi_vc_enable_hs,
> > >
> > > - .configure_pins = dsi_configure_pins,
> > > .set_config = dsi_set_config,
> > >
> > > .enable_video_output = dsi_enable_video_output,
> > > diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h b/drivers/gpu/drm/omapdrm/dss/omapdss.h
> > > index cbbe10b2b60d..b0424daaceed 100644
> > > --- a/drivers/gpu/drm/omapdrm/dss/omapdss.h
> > > +++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h
> > > @@ -292,8 +292,6 @@ struct omapdss_dsi_ops {
> >
> > I think you can drop the definition of the omap_dsi_pin_config structure
> > earlier in this file too, as well as the OMAP_DSS_MAX_DSI_PINS macro.
> > With this fixed,
>
> No, the struct is still used by the code setting up the pins from
> DT.
Indeed, my bad. I think I'd pass the unsigned int num_pins and const int
*pins to dsi_configure_pins() directly to drop the structure, but that
can be done in a subsequent patch (maybe it is already :-)).
> > Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
This tag holds.
> > > /* bus configuration */
> > > int (*set_config)(struct omap_dss_device *dssdev,
> > > const struct omap_dss_dsi_config *cfg);
> > > - int (*configure_pins)(struct omap_dss_device *dssdev,
> > > - const struct omap_dsi_pin_config *pin_cfg);
> > >
> > > void (*enable_hs)(struct omap_dss_device *dssdev, int channel,
> > > bool enable);
--
Regards,
Laurent Pinchart
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