[PATCH v1 0/3] drm: drop data-mapping property from panel-dpi

[PATCH v1 0/3] drm: drop data-mapping property from panel-dpi

[Sam Ravnborg]

With the review of Laurent Pinchart we realised that the
data-mapping property introduced in panel-dpi binding
is not the right solution.

Remove it now, while we are working on finding a better way
to specify the interface between panels and display interfaces.

Include a patch to fix some grammar issues spotted in the same review.

	Sam

Sam Ravnborg (3):
      dt-bindings: display: drop data-mapping from panel-dpi
      drm/panel-simple: drop use of data-mapping property
      dt-bindings: display: grammar fixes in panel/

 .../devicetree/bindings/display/panel/display-timings.yaml    |  8 ++++----
 .../devicetree/bindings/display/panel/panel-common.yaml       |  4 ++--
 .../devicetree/bindings/display/panel/panel-dpi.yaml          | 10 ----------
 drivers/gpu/drm/panel/panel-simple.c                          | 11 -----------
 4 files changed, 6 insertions(+), 27 deletions(-)


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[PATCH v1 1/3] dt-bindings: display: drop data-mapping from panel-dpi

[Sam Ravnborg]

data-mapping may not be the best way to describe the
data format used between panels and display interface.

Drop it from the panel-dpi binding so we do not start to rely on it.
We can then work out how to best describe this mapping and when
we know it, we can add it to this binding.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Rob Herring <robh@kernel.org>
---
 .../devicetree/bindings/display/panel/panel-dpi.yaml   | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/Documentation/devicetree/bindings/display/panel/panel-dpi.yaml b/Documentation/devicetree/bindings/display/panel/panel-dpi.yaml
index f63870384c00..0cd74c8dab42 100644
--- a/Documentation/devicetree/bindings/display/panel/panel-dpi.yaml
+++ b/Documentation/devicetree/bindings/display/panel/panel-dpi.yaml
@@ -21,15 +21,6 @@ properties:
       - {}
       - const: panel-dpi
 
-  data-mapping:
-    enum:
-      - rgb24
-      - rgb565
-      - bgr666
-    description: |
-      Describes the media format, how the display panel is connected
-      to the display interface.
-
   backlight: true
   enable-gpios: true
   height-mm: true
@@ -52,7 +43,6 @@ examples:
         compatible = "osddisplays,osd057T0559-34ts", "panel-dpi";
         label = "osddisplay";
         power-supply = <&vcc_supply>;
-        data-mapping = "rgb565";
         backlight = <&backlight>;
 
         port {
-- 
2.20.1

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[PATCH v1 2/3] drm/panel-simple: drop use of data-mapping property

[Sam Ravnborg]

The "data-mapping" property may not be the best way to describe the
interface between panels and display interfaces.
Drop use of in the panel-simple driver, so we have time to find
the right way to describe this interface.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Rob Herring <robh@kernel.org>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
 drivers/gpu/drm/panel/panel-simple.c | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 0ce81b1f36af..3ad828eaefe1 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -361,7 +361,6 @@ static int panel_dpi_probe(struct device *dev,
 	struct panel_desc *desc;
 	unsigned int bus_flags;
 	struct videomode vm;
-	const char *mapping;
 	int ret;
 
 	np = dev->of_node;
@@ -386,16 +385,6 @@ static int panel_dpi_probe(struct device *dev,
 	of_property_read_u32(np, "width-mm", &desc->size.width);
 	of_property_read_u32(np, "height-mm", &desc->size.height);
 
-	of_property_read_string(np, "data-mapping", &mapping);
-	if (!strcmp(mapping, "rgb24"))
-		desc->bus_format = MEDIA_BUS_FMT_RGB888_1X24;
-	else if (!strcmp(mapping, "rgb565"))
-		desc->bus_format = MEDIA_BUS_FMT_RGB565_1X16;
-	else if (!strcmp(mapping, "bgr666"))
-		desc->bus_format = MEDIA_BUS_FMT_RGB666_1X18;
-	else if (!strcmp(mapping, "lvds666"))
-		desc->bus_format = MEDIA_BUS_FMT_RGB666_1X24_CPADHI;
-
 	/* Extract bus_flags from display_timing */
 	bus_flags = 0;
 	vm.flags = timing->flags;
-- 
2.20.1

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[PATCH v1 3/3] dt-bindings: display: grammar fixes in panel/

[Sam Ravnborg]

Fix a few grammar/editorial issues spotted by Laurent Pinchart.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Rob Herring <robh@kernel.org>
---
 .../bindings/display/panel/display-timings.yaml           | 8 ++++----
 .../devicetree/bindings/display/panel/panel-common.yaml   | 4 ++--
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/Documentation/devicetree/bindings/display/panel/display-timings.yaml b/Documentation/devicetree/bindings/display/panel/display-timings.yaml
index c8c0c9cb0492..56903ded005e 100644
--- a/Documentation/devicetree/bindings/display/panel/display-timings.yaml
+++ b/Documentation/devicetree/bindings/display/panel/display-timings.yaml
@@ -4,7 +4,7 @@
 $id: http://devicetree.org/schemas/display/panel/display-timings.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
-title: display timing bindings
+title: display timings bindings
 
 maintainers:
   - Thierry Reding <thierry.reding@gmail.com>
@@ -14,7 +14,7 @@ maintainers:
 description: |
   A display panel may be able to handle several display timings,
   with different resolutions.
-  The display-timings node makes it possible to specify the timing
+  The display-timings node makes it possible to specify the timings
   and to specify the timing that is native for the display.
 
 properties:
@@ -25,8 +25,8 @@ properties:
     $ref: /schemas/types.yaml#/definitions/phandle
     description: |
       The default display timing is the one specified as native-mode.
-      If no native-mode is specified then the first node is assumed the
-      native mode.
+      If no native-mode is specified then the first node is assumed
+      to be the native mode.
 
 patternProperties:
   "^timing":
diff --git a/Documentation/devicetree/bindings/display/panel/panel-common.yaml b/Documentation/devicetree/bindings/display/panel/panel-common.yaml
index ed051ba12084..dee4faffd204 100644
--- a/Documentation/devicetree/bindings/display/panel/panel-common.yaml
+++ b/Documentation/devicetree/bindings/display/panel/panel-common.yaml
@@ -63,9 +63,9 @@ properties:
 
   display-timings:
     description:
-      Some display panels supports several resolutions with different timing.
+      Some display panels supports several resolutions with different timings.
       The display-timings bindings supports specifying several timings and
-      optional specify which is the native mode.
+      optionally specify which is the native mode.
     allOf:
       - $ref: display-timings.yaml#
 
-- 
2.20.1

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Re: [PATCH v1 1/3] dt-bindings: display: drop data-mapping from panel-dpi

[Maxime Ripard]

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Hi Sam,

On Sat, Mar 14, 2020 at 04:30:45PM +0100, Sam Ravnborg wrote:
> data-mapping may not be the best way to describe the
> data format used between panels and display interface.
>
> Drop it from the panel-dpi binding so we do not start to rely on it.
> We can then work out how to best describe this mapping and when
> we know it, we can add it to this binding.
>
> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: Maxime Ripard <mripard@kernel.org>
> Cc: Rob Herring <robh@kernel.org>

I can't say whether it's the right decision or not, but if you want to
go forward with this, you should maintain the backward compatibility,
so leave the code to deal with this as a fallback solution...

> ---
>  .../devicetree/bindings/display/panel/panel-dpi.yaml   | 10 ----------
>  1 file changed, 10 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/display/panel/panel-dpi.yaml b/Documentation/devicetree/bindings/display/panel/panel-dpi.yaml
> index f63870384c00..0cd74c8dab42 100644
> --- a/Documentation/devicetree/bindings/display/panel/panel-dpi.yaml
> +++ b/Documentation/devicetree/bindings/display/panel/panel-dpi.yaml
> @@ -21,15 +21,6 @@ properties:
>        - {}
>        - const: panel-dpi
>
> -  data-mapping:
> -    enum:
> -      - rgb24
> -      - rgb565
> -      - bgr666
> -    description: |
> -      Describes the media format, how the display panel is connected
> -      to the display interface.
> -

And keep that DT property documented too.

You can express that it's only here for compatibility using the
deprecated keyword though.

It doesn't do anything at the moment, but the next spec of the schema
language uses it, so as soon as the library implements it we'll report
it.

Maxime

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Re: [PATCH v1 1/3] dt-bindings: display: drop data-mapping from panel-dpi

[Sam Ravnborg]

Hi Maxime.

On Tue, Mar 17, 2020 at 09:49:59AM +0100, Maxime Ripard wrote:
> Hi Sam,
> 
> On Sat, Mar 14, 2020 at 04:30:45PM +0100, Sam Ravnborg wrote:
> > data-mapping may not be the best way to describe the
> > data format used between panels and display interface.
> >
> > Drop it from the panel-dpi binding so we do not start to rely on it.
> > We can then work out how to best describe this mapping and when
> > we know it, we can add it to this binding.
> >
> > Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
> > Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> > Cc: Maxime Ripard <mripard@kernel.org>
> > Cc: Rob Herring <robh@kernel.org>
> 
> I can't say whether it's the right decision or not, but if you want to
> go forward with this, you should maintain the backward compatibility,
> so leave the code to deal with this as a fallback solution...

This was all introduced very recently and is for now only present in
drm-misc-next.
The idea was to revert is *before* people started to rely on this new
mapping. So we avoid all the backward compatibility fun.
I had hoped the revert could land before the 5.7 pull, alas that was not
the case.

	Sam

> 
> > ---
> >  .../devicetree/bindings/display/panel/panel-dpi.yaml   | 10 ----------
> >  1 file changed, 10 deletions(-)
> >
> > diff --git a/Documentation/devicetree/bindings/display/panel/panel-dpi.yaml b/Documentation/devicetree/bindings/display/panel/panel-dpi.yaml
> > index f63870384c00..0cd74c8dab42 100644
> > --- a/Documentation/devicetree/bindings/display/panel/panel-dpi.yaml
> > +++ b/Documentation/devicetree/bindings/display/panel/panel-dpi.yaml
> > @@ -21,15 +21,6 @@ properties:
> >        - {}
> >        - const: panel-dpi
> >
> > -  data-mapping:
> > -    enum:
> > -      - rgb24
> > -      - rgb565
> > -      - bgr666
> > -    description: |
> > -      Describes the media format, how the display panel is connected
> > -      to the display interface.
> > -
> 
> And keep that DT property documented too.
> 
> You can express that it's only here for compatibility using the
> deprecated keyword though.
> 
> It doesn't do anything at the moment, but the next spec of the schema
> language uses it, so as soon as the library implements it we'll report
> it.
> 
> Maxime


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Re: [PATCH v1 1/3] dt-bindings: display: drop data-mapping from panel-dpi

[Laurent Pinchart]

Hi Sam,

Thank you for the patch.

On Sat, Mar 14, 2020 at 04:30:45PM +0100, Sam Ravnborg wrote:
> data-mapping may not be the best way to describe the
> data format used between panels and display interface.
> 
> Drop it from the panel-dpi binding so we do not start to rely on it.
> We can then work out how to best describe this mapping and when
> we know it, we can add it to this binding.

I certainly welcome that, as we need to define how to express this
information in a more detailed way, taking into account all use cases.

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

I think this qualifies as a v5.7 fix.

> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: Maxime Ripard <mripard@kernel.org>
> Cc: Rob Herring <robh@kernel.org>
> ---
>  .../devicetree/bindings/display/panel/panel-dpi.yaml   | 10 ----------
>  1 file changed, 10 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/display/panel/panel-dpi.yaml b/Documentation/devicetree/bindings/display/panel/panel-dpi.yaml
> index f63870384c00..0cd74c8dab42 100644
> --- a/Documentation/devicetree/bindings/display/panel/panel-dpi.yaml
> +++ b/Documentation/devicetree/bindings/display/panel/panel-dpi.yaml
> @@ -21,15 +21,6 @@ properties:
>        - {}
>        - const: panel-dpi
>  
> -  data-mapping:
> -    enum:
> -      - rgb24
> -      - rgb565
> -      - bgr666
> -    description: |
> -      Describes the media format, how the display panel is connected
> -      to the display interface.
> -
>    backlight: true
>    enable-gpios: true
>    height-mm: true
> @@ -52,7 +43,6 @@ examples:
>          compatible = "osddisplays,osd057T0559-34ts", "panel-dpi";
>          label = "osddisplay";
>          power-supply = <&vcc_supply>;
> -        data-mapping = "rgb565";
>          backlight = <&backlight>;
>  
>          port {

-- 
Regards,

Laurent Pinchart
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Re: [PATCH v1 2/3] drm/panel-simple: drop use of data-mapping property

[Laurent Pinchart]

Hi Sam,

Thank you for the patch.

On Sat, Mar 14, 2020 at 04:30:46PM +0100, Sam Ravnborg wrote:
> The "data-mapping" property may not be the best way to describe the
> interface between panels and display interfaces.
> Drop use of in the panel-simple driver, so we have time to find
> the right way to describe this interface.

For the same reason as for patch 1/3,

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
> Cc: Thierry Reding <thierry.reding@gmail.com>
> Cc: Rob Herring <robh@kernel.org>
> Cc: Maxime Ripard <mripard@kernel.org>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> ---
>  drivers/gpu/drm/panel/panel-simple.c | 11 -----------
>  1 file changed, 11 deletions(-)
> 
> diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
> index 0ce81b1f36af..3ad828eaefe1 100644
> --- a/drivers/gpu/drm/panel/panel-simple.c
> +++ b/drivers/gpu/drm/panel/panel-simple.c
> @@ -361,7 +361,6 @@ static int panel_dpi_probe(struct device *dev,
>  	struct panel_desc *desc;
>  	unsigned int bus_flags;
>  	struct videomode vm;
> -	const char *mapping;
>  	int ret;
>  
>  	np = dev->of_node;
> @@ -386,16 +385,6 @@ static int panel_dpi_probe(struct device *dev,
>  	of_property_read_u32(np, "width-mm", &desc->size.width);
>  	of_property_read_u32(np, "height-mm", &desc->size.height);
>  
> -	of_property_read_string(np, "data-mapping", &mapping);
> -	if (!strcmp(mapping, "rgb24"))
> -		desc->bus_format = MEDIA_BUS_FMT_RGB888_1X24;
> -	else if (!strcmp(mapping, "rgb565"))
> -		desc->bus_format = MEDIA_BUS_FMT_RGB565_1X16;
> -	else if (!strcmp(mapping, "bgr666"))
> -		desc->bus_format = MEDIA_BUS_FMT_RGB666_1X18;
> -	else if (!strcmp(mapping, "lvds666"))
> -		desc->bus_format = MEDIA_BUS_FMT_RGB666_1X24_CPADHI;
> -
>  	/* Extract bus_flags from display_timing */
>  	bus_flags = 0;
>  	vm.flags = timing->flags;

-- 
Regards,

Laurent Pinchart
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Re: [PATCH v1 3/3] dt-bindings: display: grammar fixes in panel/

[Laurent Pinchart]

Hi Sam,

Thank you for the patch.

On Sat, Mar 14, 2020 at 04:30:47PM +0100, Sam Ravnborg wrote:
> Fix a few grammar/editorial issues spotted by Laurent Pinchart.
> 
> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: Rob Herring <robh@kernel.org>
> ---
>  .../bindings/display/panel/display-timings.yaml           | 8 ++++----
>  .../devicetree/bindings/display/panel/panel-common.yaml   | 4 ++--
>  2 files changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/display/panel/display-timings.yaml b/Documentation/devicetree/bindings/display/panel/display-timings.yaml
> index c8c0c9cb0492..56903ded005e 100644
> --- a/Documentation/devicetree/bindings/display/panel/display-timings.yaml
> +++ b/Documentation/devicetree/bindings/display/panel/display-timings.yaml
> @@ -4,7 +4,7 @@
>  $id: http://devicetree.org/schemas/display/panel/display-timings.yaml#
>  $schema: http://devicetree.org/meta-schemas/core.yaml#
>  
> -title: display timing bindings
> +title: display timings bindings
>  
>  maintainers:
>    - Thierry Reding <thierry.reding@gmail.com>
> @@ -14,7 +14,7 @@ maintainers:
>  description: |
>    A display panel may be able to handle several display timings,
>    with different resolutions.
> -  The display-timings node makes it possible to specify the timing
> +  The display-timings node makes it possible to specify the timings
>    and to specify the timing that is native for the display.
>  
>  properties:
> @@ -25,8 +25,8 @@ properties:
>      $ref: /schemas/types.yaml#/definitions/phandle
>      description: |
>        The default display timing is the one specified as native-mode.
> -      If no native-mode is specified then the first node is assumed the
> -      native mode.
> +      If no native-mode is specified then the first node is assumed
> +      to be the native mode.
>  
>  patternProperties:
>    "^timing":
> diff --git a/Documentation/devicetree/bindings/display/panel/panel-common.yaml b/Documentation/devicetree/bindings/display/panel/panel-common.yaml
> index ed051ba12084..dee4faffd204 100644
> --- a/Documentation/devicetree/bindings/display/panel/panel-common.yaml
> +++ b/Documentation/devicetree/bindings/display/panel/panel-common.yaml
> @@ -63,9 +63,9 @@ properties:
>  
>    display-timings:
>      description:
> -      Some display panels supports several resolutions with different timing.
> +      Some display panels supports several resolutions with different timings.

s/supports/support/

>        The display-timings bindings supports specifying several timings and
> -      optional specify which is the native mode.
> +      optionally specify which is the native mode.

s/specify/specifying/ ?

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

>      allOf:
>        - $ref: display-timings.yaml#
>  

-- 
Regards,

Laurent Pinchart
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Re: [PATCH v1 1/3] dt-bindings: display: drop data-mapping from panel-dpi

[Maxime Ripard]

[-- Attachment #1.1: Type: text/plain, Size: 1319 bytes --]

On Tue, Mar 17, 2020 at 12:22:31PM +0100, Sam Ravnborg wrote:
> Hi Maxime.
>
> On Tue, Mar 17, 2020 at 09:49:59AM +0100, Maxime Ripard wrote:
> > Hi Sam,
> >
> > On Sat, Mar 14, 2020 at 04:30:45PM +0100, Sam Ravnborg wrote:
> > > data-mapping may not be the best way to describe the
> > > data format used between panels and display interface.
> > >
> > > Drop it from the panel-dpi binding so we do not start to rely on it.
> > > We can then work out how to best describe this mapping and when
> > > we know it, we can add it to this binding.
> > >
> > > Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
> > > Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> > > Cc: Maxime Ripard <mripard@kernel.org>
> > > Cc: Rob Herring <robh@kernel.org>
> >
> > I can't say whether it's the right decision or not, but if you want to
> > go forward with this, you should maintain the backward compatibility,
> > so leave the code to deal with this as a fallback solution...
>
> This was all introduced very recently and is for now only present in
> drm-misc-next.
> The idea was to revert is *before* people started to rely on this new
> mapping. So we avoid all the backward compatibility fun.
> I had hoped the revert could land before the 5.7 pull, alas that was not
> the case.

My bad, it works for me then :)

Maxime

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Re: [PATCH v1 3/3] dt-bindings: display: grammar fixes in panel/

[Sam Ravnborg]

Hi Laurent.

On Tue, Mar 17, 2020 at 09:25:22PM +0200, Laurent Pinchart wrote:
> Hi Sam,
> 
> Thank you for the patch.
> 
> On Sat, Mar 14, 2020 at 04:30:47PM +0100, Sam Ravnborg wrote:
> > Fix a few grammar/editorial issues spotted by Laurent Pinchart.
> > 
> > Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
> > Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> > Cc: Rob Herring <robh@kernel.org>
> > ---
> >  .../bindings/display/panel/display-timings.yaml           | 8 ++++----
> >  .../devicetree/bindings/display/panel/panel-common.yaml   | 4 ++--
> >  2 files changed, 6 insertions(+), 6 deletions(-)
> > 
> > diff --git a/Documentation/devicetree/bindings/display/panel/display-timings.yaml b/Documentation/devicetree/bindings/display/panel/display-timings.yaml
> > index c8c0c9cb0492..56903ded005e 100644
> > --- a/Documentation/devicetree/bindings/display/panel/display-timings.yaml
> > +++ b/Documentation/devicetree/bindings/display/panel/display-timings.yaml
> > @@ -4,7 +4,7 @@
> >  $id: http://devicetree.org/schemas/display/panel/display-timings.yaml#
> >  $schema: http://devicetree.org/meta-schemas/core.yaml#
> >  
> > -title: display timing bindings
> > +title: display timings bindings
> >  
> >  maintainers:
> >    - Thierry Reding <thierry.reding@gmail.com>
> > @@ -14,7 +14,7 @@ maintainers:
> >  description: |
> >    A display panel may be able to handle several display timings,
> >    with different resolutions.
> > -  The display-timings node makes it possible to specify the timing
> > +  The display-timings node makes it possible to specify the timings
> >    and to specify the timing that is native for the display.
> >  
> >  properties:
> > @@ -25,8 +25,8 @@ properties:
> >      $ref: /schemas/types.yaml#/definitions/phandle
> >      description: |
> >        The default display timing is the one specified as native-mode.
> > -      If no native-mode is specified then the first node is assumed the
> > -      native mode.
> > +      If no native-mode is specified then the first node is assumed
> > +      to be the native mode.
> >  
> >  patternProperties:
> >    "^timing":
> > diff --git a/Documentation/devicetree/bindings/display/panel/panel-common.yaml b/Documentation/devicetree/bindings/display/panel/panel-common.yaml
> > index ed051ba12084..dee4faffd204 100644
> > --- a/Documentation/devicetree/bindings/display/panel/panel-common.yaml
> > +++ b/Documentation/devicetree/bindings/display/panel/panel-common.yaml
> > @@ -63,9 +63,9 @@ properties:
> >  
> >    display-timings:
> >      description:
> > -      Some display panels supports several resolutions with different timing.
> > +      Some display panels supports several resolutions with different timings.
> 
> s/supports/support/
> 
> >        The display-timings bindings supports specifying several timings and
> > -      optional specify which is the native mode.
> > +      optionally specify which is the native mode.
> 
> s/specify/specifying/ ?
> 
> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

Fixed the above and applied this patch to drm-misc-next.
The other patches awaits that drm-misc-next-fixes is ready

	Sam
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