Re: [RESENT PATCH] drm/panel: support Innolux P097PFG panel

[hl]

Hi


On Friday, December 01, 2017 10:54 AM, Brian Norris wrote:
> One more comment:
>
> On Thu, Nov 30, 2017 at 02:14:40PM +0800, Lin Huang wrote:
> > Support Innolux P097PFG 9.7" 1536x2048 TFT LCD panel,
> > it refactor Innolux P079ZCA panel driver, let it support
> > multi panel, and add support P097PFG panel in this driver.
> >
> > Signed-off-by: Lin Huang <hl@xxxxxxxxxxxxxx>
> >
> > ---
> >   drivers/gpu/drm/panel/panel-innolux-p079zca.c | 178 ++++++++++++++++++++------
> >   1 file changed, 136 insertions(+), 42 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/panel/panel-innolux-p079zca.c b/drivers/gpu/drm/panel/panel-innolux-p079zca.c
> > index 6ba9344..a40798f 100644
> > --- a/drivers/gpu/drm/panel/panel-innolux-p079zca.c
> > +++ b/drivers/gpu/drm/panel/panel-innolux-p079zca.c
> ...
>
> > @@ -209,20 +284,39 @@ static const struct drm_panel_funcs innolux_panel_funcs = {
> >   };
> >   
> >   static const struct of_device_id innolux_of_match[] = {
> > -	{ .compatible = "innolux,p079zca", },
> > -	{ }
> > +	{ .compatible = "innolux,p079zca",
> > +	  .data = &innolux_p079zca_panel_desc
> > +	},
> > +	{ .compatible = "innolux,p097pfg",
> > +	  .data = &innolux_p097pfg_panel_desc
> > +	}
> >   };
> >   MODULE_DEVICE_TABLE(of, innolux_of_match);
> >   
> > -static int innolux_panel_add(struct innolux_panel *innolux)
> > +static int innolux_panel_add(struct mipi_dsi_device *dsi,
> > +			     const struct panel_desc_dsi *desc)
> >   {
> > -	struct device *dev = &innolux->link->dev;
> > +	struct innolux_panel *innolux;
> > +	struct device *dev = &dsi->dev;
> >   	struct device_node *np;
> >   	int err;
> >   
> > -	innolux->supply = devm_regulator_get(dev, "power");
> > -	if (IS_ERR(innolux->supply))
> > -		return PTR_ERR(innolux->supply);
> > +	innolux = devm_kzalloc(dev, sizeof(*innolux), GFP_KERNEL);
> > +	if (!innolux)
> > +		return -ENOMEM;
> > +
> > +	innolux->dsi_desc = desc;
> > +	innolux->vddi = devm_regulator_get_optional(dev, "power");
> > +	if (IS_ERR(innolux->vddi))
> > +		return PTR_ERR(innolux->vddi);
> > +
> > +	innolux->avdd = devm_regulator_get(dev, "ppvarp");
> This name ("ppvarp" and the "ppvarn" below) are names from our board
> schematics, not from the panel datasheet. I would think these should be
> "vdd" and "vee", like your variable names.
Okay, will fix it next version.
> Brian
>
> > +	if (IS_ERR(innolux->avdd))
> > +		return PTR_ERR(innolux->avdd);
> > +
> > +	innolux->avee = devm_regulator_get(dev, "ppvarn");
> > +	if (IS_ERR(innolux->avee))
> > +		return PTR_ERR(innolux->avee);
> >   
> >   	innolux->enable_gpio = devm_gpiod_get_optional(dev, "enable",
> >   						       GPIOD_OUT_HIGH);
> ...