linux-kernel - Re: [PATCH v3] drm: adv7511: Fix low refresh rate register for ADV7533/5

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Message-ID: <c39c46dcd8302573334e6dced459c3f146f445b8.camel@gmail.com>
Date:   Tue, 18 Jul 2023 14:21:19 +0200
From:   Nuno Sá <noname.nuno@...il.com>
To:     Alexandru Ardelean <alex@...uggie.ro>,
        Robert Foss <rfoss@...nel.org>
Cc:     linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        bogdan.togorean@...log.com, nuno.sa@...log.com, daniel@...ll.ch,
        airlied@...il.com, jonas@...boo.se,
        Laurent.pinchart@...asonboard.com, neil.armstrong@...aro.org,
        andrzej.hajda@...el.com, festevam@...il.com
Subject: Re: [PATCH v3] drm: adv7511: Fix low refresh rate register for
 ADV7533/5

On Tue, 2023-07-18 at 14:45 +0300, Alexandru Ardelean wrote:
> On Tue, Jul 18, 2023 at 11:50 AM Robert Foss <rfoss@...nel.org> wrote:
> > 
> > On Tue, Jul 18, 2023 at 10:42 AM Alexandru Ardelean <alex@...uggie.ro>
> > wrote:
> > > 
> > > From: Bogdan Togorean <bogdan.togorean@...log.com>
> > > 
> > > For ADV7533 and ADV7535 low refresh rate is selected using
> > > bits [3:2] of 0x4a main register.
> > > So depending on ADV model write 0xfb or 0x4a register.
> > > 
> > > Fixes: 2437e7cd88e8 ("drm/bridge: adv7533: Initial support for ADV7533")
> > > Reviewed-by: Nuno Sa <nuno.sa@...log.com>
> > > Signed-off-by: Bogdan Togorean <bogdan.togorean@...log.com>
> > > Signed-off-by: Alexandru Ardelean <alex@...uggie.ro>
> > > ---
> > > 
> > > Changelog v2 -> v3:
> > > *
> > > https://lore.kernel.org/dri-devel/1c3fde3a873b0f948d3c4d37107c5bb67dc9f7bb.camel@gmail.com/T/#u
> > > * Added my S-o-b tag back
> > > 
> > > Changelog v1 -> v2:
> > > *
> > > https://lore.kernel.org/dri-devel/20190716131005.761-1-bogdan.togorean@analog.com/
> > > * added Fixes: tag
> > > * added Reviewed-by: tag for Nuno
> > > 
> > > 
> > >  drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 9 +++++++--
> > >  1 file changed, 7 insertions(+), 2 deletions(-)
> > > 
> > > diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
> > > b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
> > > index ddceafa7b637..09290a377957 100644
> > > --- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
> > > +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
> > > @@ -786,8 +786,13 @@ static void adv7511_mode_set(struct adv7511 *adv7511,
> > >         else
> > >                 low_refresh_rate = ADV7511_LOW_REFRESH_RATE_NONE;
> > > 
> > > -       regmap_update_bits(adv7511->regmap, 0xfb,
> > > -               0x6, low_refresh_rate << 1);
> > > +       if (adv7511->type == ADV7511)
> > > +               regmap_update_bits(adv7511->regmap, 0xfb,
> > > +                       0x6, low_refresh_rate << 1);
> > > +       else
> > > +               regmap_update_bits(adv7511->regmap, 0x4a,
> > > +                       0xc, low_refresh_rate << 2);
> > > +
> > >         regmap_update_bits(adv7511->regmap, 0x17,
> > >                 0x60, (vsync_polarity << 6) | (hsync_polarity << 5));
> > > 
> > > --
> > > 2.41.0
> > > 
> > 
> > This looks good, but I'm seeing some checkpatch style warnings, with
> > those fixed feel free to add my r-b.
> 
> Thanks.
> Will do.
> May I ask what options you are using for checkpatch.pl?

'--strict' should trigger those CHECKS...

Cool enough (or not) it seems the option is not really there when you type 
--help


- Nuno Sá