From: Rob Herring <robh@kernel.org>
To: Rajeev Nandan <rajeevny@codeaurora.org>
Cc: dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org,
freedreno@lists.freedesktop.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, robdclark@gmail.com,
dianders@chromium.org, mkrishn@codeaurora.org,
kalyan_t@codeaurora.org, hoegsberg@chromium.org,
abhinavk@codeaurora.org, seanpaul@chromium.org
Subject: Re: [v1 2/3] dt-bindings: drm/bridge: ti-sn65dsi86: Document use-aux-backlight
Date: Thu, 15 Apr 2021 17:04:16 -0500 [thread overview]
Message-ID: <20210415220416.GA1954887@robh.at.kernel.org> (raw)
In-Reply-To: <1618418390-15055-3-git-send-email-rajeevny@codeaurora.org>
On Wed, Apr 14, 2021 at 10:09:49PM +0530, Rajeev Nandan wrote:
> If the panel connected to the bridge supports backlight control
> using DPCD registers on the DisplayPort aux channel, setting
> "use-aux-backlight" property in the bridge node will enable the
> registration of a DP aux backlight device from the bridge driver.
>
> Signed-off-by: Rajeev Nandan <rajeevny@codeaurora.org>
> ---
> .../devicetree/bindings/display/bridge/ti,sn65dsi86.yaml | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi86.yaml b/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi86.yaml
> index 26932d2..c8d8c00 100644
> --- a/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi86.yaml
> +++ b/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi86.yaml
> @@ -58,6 +58,12 @@ properties:
> clock-names:
> const: refclk
>
> + use-aux-backlight:
use-dp-aux-backlight perhaps.
> + type: boolean
> + description:
> + The panel backlight to be controlled using DPCD registers on
> + the DP aux channel.
Sounds like a property of the panel, not the bridge. So it should be in
the panel node.
Rob
next prev parent reply other threads:[~2021-04-15 22:04 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-14 16:39 [v1 0/3] drm: Add support for backlight control of eDP panel on ti-sn65dsi86 bridge Rajeev Nandan
2021-04-14 16:39 ` [v1 1/3] drm/dp: Add DisplayPort aux backlight control support Rajeev Nandan
2021-04-14 16:39 ` [v1 2/3] dt-bindings: drm/bridge: ti-sn65dsi86: Document use-aux-backlight Rajeev Nandan
2021-04-15 22:04 ` Rob Herring [this message]
2021-04-14 16:39 ` [v1 3/3] drm/bridge: ti-sn65dsi86: Add DisplayPort aux backlight support Rajeev Nandan
2021-04-16 23:02 ` [v1 0/3] drm: Add support for backlight control of eDP panel on ti-sn65dsi86 bridge Doug Anderson
2021-04-20 8:14 ` Jani Nikula
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