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From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Maxime Ripard <maxime@cerno.tech>
Cc: Mark Rutland <mark.rutland@arm.com>,
	devicetree@vger.kernel.org, David Airlie <airlied@linux.ie>,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	dri-devel@lists.freedesktop.org, Chen-Yu Tsai <wens@csie.org>,
	Rob Herring <robh+dt@kernel.org>,
	Sean Paul <seanpaul@chromium.org>,
	Maxime Ripard <mripard@kernel.org>,
	Daniel Vetter <daniel.vetter@intel.com>,
	Frank Rowand <frowand.list@gmail.com>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/2] dt-bindings: display: sun4i-tcon: Add LVDS Dual Link property
Date: Fri, 14 Feb 2020 15:10:25 +0200	[thread overview]
Message-ID: <20200214131025.GI4831@pendragon.ideasonboard.com> (raw)
In-Reply-To: <20200214123244.109300-1-maxime@cerno.tech>

Hi Maxime,

Thank you for the patch.

On Fri, Feb 14, 2020 at 01:32:43PM +0100, Maxime Ripard wrote:
> SoCs that have multiple TCONs can use the two set of pins on the first TCON
> to drive a dual-link display. Add a property to enable the dual link.
> 
> Signed-off-by: Maxime Ripard <maxime@cerno.tech>
> ---
>  .../bindings/display/allwinner,sun4i-a10-tcon.yaml         | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml b/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml
> index 86ad617d2327..aa6dd8409dbc 100644
> --- a/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml
> +++ b/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml
> @@ -105,6 +105,13 @@ properties:
>          - const: edp
>          - const: lvds
>  
> +  allwinner,lvds-dual-link:
> +    type: boolean
> +    description: |
> +      On a SoC with two TCON with LVDS support, the first TCON can
> +      operate over both pins sets to output in a dual-link setup. This
> +      will be triggered by setting this property.

Could you maybe provide an example of how this property is supposed to
be used ? I'm especially wondering what ports are used in that case and
how they're connected.

> +
>    ports:
>      type: object
>      description: |

-- 
Regards,

Laurent Pinchart

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

WARNING: multiple messages have this Message-ID (diff)
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Maxime Ripard <maxime@cerno.tech>
Cc: Chen-Yu Tsai <wens@csie.org>, Maxime Ripard <mripard@kernel.org>,
	dri-devel@lists.freedesktop.org,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Sean Paul <seanpaul@chromium.org>,
	Daniel Vetter <daniel.vetter@intel.com>,
	David Airlie <airlied@linux.ie>,
	devicetree@vger.kernel.org, Mark Rutland <mark.rutland@arm.com>,
	Rob Herring <robh+dt@kernel.org>,
	Frank Rowand <frowand.list@gmail.com>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/2] dt-bindings: display: sun4i-tcon: Add LVDS Dual Link property
Date: Fri, 14 Feb 2020 15:10:25 +0200	[thread overview]
Message-ID: <20200214131025.GI4831@pendragon.ideasonboard.com> (raw)
In-Reply-To: <20200214123244.109300-1-maxime@cerno.tech>

Hi Maxime,

Thank you for the patch.

On Fri, Feb 14, 2020 at 01:32:43PM +0100, Maxime Ripard wrote:
> SoCs that have multiple TCONs can use the two set of pins on the first TCON
> to drive a dual-link display. Add a property to enable the dual link.
> 
> Signed-off-by: Maxime Ripard <maxime@cerno.tech>
> ---
>  .../bindings/display/allwinner,sun4i-a10-tcon.yaml         | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml b/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml
> index 86ad617d2327..aa6dd8409dbc 100644
> --- a/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml
> +++ b/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml
> @@ -105,6 +105,13 @@ properties:
>          - const: edp
>          - const: lvds
>  
> +  allwinner,lvds-dual-link:
> +    type: boolean
> +    description: |
> +      On a SoC with two TCON with LVDS support, the first TCON can
> +      operate over both pins sets to output in a dual-link setup. This
> +      will be triggered by setting this property.

Could you maybe provide an example of how this property is supposed to
be used ? I'm especially wondering what ports are used in that case and
how they're connected.

> +
>    ports:
>      type: object
>      description: |

-- 
Regards,

Laurent Pinchart

WARNING: multiple messages have this Message-ID (diff)
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Maxime Ripard <maxime@cerno.tech>
Cc: Mark Rutland <mark.rutland@arm.com>,
	devicetree@vger.kernel.org, David Airlie <airlied@linux.ie>,
	dri-devel@lists.freedesktop.org, Chen-Yu Tsai <wens@csie.org>,
	Rob Herring <robh+dt@kernel.org>,
	Sean Paul <seanpaul@chromium.org>,
	Daniel Vetter <daniel.vetter@intel.com>,
	Frank Rowand <frowand.list@gmail.com>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/2] dt-bindings: display: sun4i-tcon: Add LVDS Dual Link property
Date: Fri, 14 Feb 2020 15:10:25 +0200	[thread overview]
Message-ID: <20200214131025.GI4831@pendragon.ideasonboard.com> (raw)
In-Reply-To: <20200214123244.109300-1-maxime@cerno.tech>

Hi Maxime,

Thank you for the patch.

On Fri, Feb 14, 2020 at 01:32:43PM +0100, Maxime Ripard wrote:
> SoCs that have multiple TCONs can use the two set of pins on the first TCON
> to drive a dual-link display. Add a property to enable the dual link.
> 
> Signed-off-by: Maxime Ripard <maxime@cerno.tech>
> ---
>  .../bindings/display/allwinner,sun4i-a10-tcon.yaml         | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml b/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml
> index 86ad617d2327..aa6dd8409dbc 100644
> --- a/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml
> +++ b/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml
> @@ -105,6 +105,13 @@ properties:
>          - const: edp
>          - const: lvds
>  
> +  allwinner,lvds-dual-link:
> +    type: boolean
> +    description: |
> +      On a SoC with two TCON with LVDS support, the first TCON can
> +      operate over both pins sets to output in a dual-link setup. This
> +      will be triggered by setting this property.

Could you maybe provide an example of how this property is supposed to
be used ? I'm especially wondering what ports are used in that case and
how they're connected.

> +
>    ports:
>      type: object
>      description: |

-- 
Regards,

Laurent Pinchart
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

  parent reply	other threads:[~2020-02-14 13:11 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-14 12:32 [PATCH 1/2] dt-bindings: display: sun4i-tcon: Add LVDS Dual Link property Maxime Ripard
2020-02-14 12:32 ` Maxime Ripard
2020-02-14 12:32 ` Maxime Ripard
2020-02-14 12:32 ` [PATCH 2/2] drm/sun4i: tcon: Support LVDS dual-link Maxime Ripard
2020-02-14 12:32   ` Maxime Ripard
2020-02-14 12:32   ` Maxime Ripard
2020-02-14 13:10 ` Laurent Pinchart [this message]
2020-02-14 13:10   ` [PATCH 1/2] dt-bindings: display: sun4i-tcon: Add LVDS Dual Link property Laurent Pinchart
2020-02-14 13:10   ` Laurent Pinchart
2020-02-14 15:44   ` Maxime Ripard
2020-02-14 15:44     ` Maxime Ripard
2020-02-14 15:44     ` Maxime Ripard
2020-02-14 15:49     ` Laurent Pinchart
2020-02-14 15:49       ` Laurent Pinchart
2020-02-14 15:49       ` Laurent Pinchart
2020-02-17 17:42       ` Maxime Ripard
2020-02-17 17:42         ` Maxime Ripard
2020-02-17 17:42         ` Maxime Ripard
2020-02-17 18:10         ` Laurent Pinchart
2020-02-17 18:10           ` Laurent Pinchart
2020-02-17 18:10           ` Laurent Pinchart
2020-02-20 17:53           ` Maxime Ripard
2020-02-20 17:53             ` Maxime Ripard
2020-02-20 17:53             ` Maxime Ripard
2020-02-20 19:13             ` Laurent Pinchart
2020-02-20 19:13               ` Laurent Pinchart
2020-02-20 19:13               ` Laurent Pinchart
2020-02-27 14:25               ` Maxime Ripard
2020-02-27 14:25                 ` Maxime Ripard
2020-02-27 14:25                 ` Maxime Ripard

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