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

Alexandru Ardelean posted 1 patch 2 years, 6 months ago
There is a newer version of this series
drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
[PATCH v3] drm: adv7511: Fix low refresh rate register for ADV7533/5
Posted by Alexandru Ardelean 2 years, 6 months ago 
From: Bogdan Togorean <bogdan.togorean@analog.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@analog.com>
Signed-off-by: Bogdan Togorean <bogdan.togorean@analog.com>
Signed-off-by: Alexandru Ardelean <alex@shruggie.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
Re: [PATCH v3] drm: adv7511: Fix low refresh rate register for ADV7533/5
Posted by Robert Foss 2 years, 6 months ago 
On Tue, Jul 18, 2023 at 10:42 AM Alexandru Ardelean <alex@shruggie.ro> wrote:
>
> From: Bogdan Togorean <bogdan.togorean@analog.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@analog.com>
> Signed-off-by: Bogdan Togorean <bogdan.togorean@analog.com>
> Signed-off-by: Alexandru Ardelean <alex@shruggie.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.

CHECK: Alignment should match open parenthesis
#32: FILE: drivers/gpu/drm/bridge/adv7511/adv7511_drv.c:791:
+        regmap_update_bits(adv7511->regmap, 0xfb,
+            0x6, low_refresh_rate << 1);

CHECK: Alignment should match open parenthesis
#35: FILE: drivers/gpu/drm/bridge/adv7511/adv7511_drv.c:794:
+        regmap_update_bits(adv7511->regmap, 0x4a,
+            0xc, low_refresh_rate << 2);

total: 0 errors, 0 warnings, 2 checks, 15 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit 1955dfe734e4 ("drm: adv7511: Fix low refresh rate register for
ADV7533/5") has style problems, please review.

NOTE: If any of the errors are false positives, please report
Re: [PATCH v3] drm: adv7511: Fix low refresh rate register for ADV7533/5
Posted by Alexandru Ardelean 2 years, 6 months ago 
On Tue, Jul 18, 2023 at 11:50 AM Robert Foss <rfoss@kernel.org> wrote:
>
> On Tue, Jul 18, 2023 at 10:42 AM Alexandru Ardelean <alex@shruggie.ro> wrote:
> >
> > From: Bogdan Togorean <bogdan.togorean@analog.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@analog.com>
> > Signed-off-by: Bogdan Togorean <bogdan.togorean@analog.com>
> > Signed-off-by: Alexandru Ardelean <alex@shruggie.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?
I don't seem to get those warnings.
And I'm basing on an "exynos-drm-fixes"branch from here
   https://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos.git/
(I'll admit it may not be the correct branch)

# /scripts/checkpatch.pl
v3-0001-drm-adv7511-Fix-low-refresh-rate-register-for-ADV.patch
total: 0 errors, 0 warnings, 15 lines checked

v3-0001-drm-adv7511-Fix-low-refresh-rate-register-for-ADV.patch has no
obvious style problems and is ready for submission.


>
> CHECK: Alignment should match open parenthesis
> #32: FILE: drivers/gpu/drm/bridge/adv7511/adv7511_drv.c:791:
> +        regmap_update_bits(adv7511->regmap, 0xfb,
> +            0x6, low_refresh_rate << 1);
>
> CHECK: Alignment should match open parenthesis
> #35: FILE: drivers/gpu/drm/bridge/adv7511/adv7511_drv.c:794:
> +        regmap_update_bits(adv7511->regmap, 0x4a,
> +            0xc, low_refresh_rate << 2);
>
> total: 0 errors, 0 warnings, 2 checks, 15 lines checked
>
> NOTE: For some of the reported defects, checkpatch may be able to
>       mechanically convert to the typical style using --fix or --fix-inplace.
>
> Commit 1955dfe734e4 ("drm: adv7511: Fix low refresh rate register for
> ADV7533/5") has style problems, please review.
>
> NOTE: If any of the errors are false positives, please report
Re: [PATCH v3] drm: adv7511: Fix low refresh rate register for ADV7533/5
Posted by Nuno Sá 2 years, 6 months ago 
On Tue, 2023-07-18 at 14:45 +0300, Alexandru Ardelean wrote:
> On Tue, Jul 18, 2023 at 11:50 AM Robert Foss <rfoss@kernel.org> wrote:
> > 
> > On Tue, Jul 18, 2023 at 10:42 AM Alexandru Ardelean <alex@shruggie.ro>
> > wrote:
> > > 
> > > From: Bogdan Togorean <bogdan.togorean@analog.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@analog.com>
> > > Signed-off-by: Bogdan Togorean <bogdan.togorean@analog.com>
> > > Signed-off-by: Alexandru Ardelean <alex@shruggie.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

Patchew 2.1-devel-b67e4c2

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