Re: [EXT] Re: [PATCH v3 2/2] drm/panel: Add support for Raydium RM67191 panel driver

2019-06-25 Thread Robert Chiras
On Lu, 2019-06-24 at 13:12 -0300, Fabio Estevam wrote: > Caution: EXT Email > > Hi Robert, > > On Mon, Jun 24, 2019 at 4:44 AM Robert Chiras > wrote: > > > > > > > > > You did not handle the "power" regulator. > > There is no need for a power regulator. > I am sure the panel requires power

Re: [EXT] Re: [PATCH v3 2/2] drm/panel: Add support for Raydium RM67191 panel driver

2019-06-24 Thread Fabio Estevam
Hi Robert, On Mon, Jun 24, 2019 at 4:44 AM Robert Chiras wrote: > > You did not handle the "power" regulator. > There is no need for a power regulator. I am sure the panel requires power to be applied so that it can work :-) > > Can't you simply remove them? > The reset gpio pin is shared

Re: [EXT] Re: [PATCH v3 2/2] drm/panel: Add support for Raydium RM67191 panel driver

2019-06-24 Thread Robert Chiras
Hi Fabio, Thanks for your feedback. I will handle them all, but for the pm_ops I have some comments. See inline. On Vi, 2019-06-21 at 10:59 -0300, Fabio Estevam wrote: > Hi Robert, > > On Thu, Jun 20, 2019 at 10:31 AM Robert Chiras > wrote: > > > > > +fail: > > +   if (rad->reset) > > +  

Re: [PATCH v3 2/2] drm/panel: Add support for Raydium RM67191 panel driver

2019-06-21 Thread Fabio Estevam
Hi Robert, On Thu, Jun 20, 2019 at 10:31 AM Robert Chiras wrote: > +fail: > + if (rad->reset) > + gpiod_set_value_cansleep(rad->reset, 1); gpiod_set_value_cansleep() can handle NULL, so no need for the if() check. > +static const struct display_timing rad_default_timing =

[PATCH v3 2/2] drm/panel: Add support for Raydium RM67191 panel driver

2019-06-20 Thread Robert Chiras
This patch adds Raydium RM67191 TFT LCD panel driver (MIPI-DSI protocol). Signed-off-by: Robert Chiras Reviewed-by: Sam Ravnborg --- MAINTAINERS | 6 + drivers/gpu/drm/panel/Kconfig | 9 + drivers/gpu/drm/panel/Makefile| 1