From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Jayesh Choudhary <j-choudhary@ti.com>,
dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Cc: andrzej.hajda@intel.com, neil.armstrong@linaro.org,
rfoss@kernel.org, Laurent.pinchart@ideasonboard.com,
jonas@kwiboo.se, jernej.skrabec@gmail.com, airlied@gmail.com,
daniel@ffwll.ch, robh+dt@kernel.org,
krzysztof.kozlowski+dt@linaro.org, sam@ravnborg.org,
jani.nikula@intel.com, tzimmermann@suse.de, javierm@redhat.com,
ville.syrjala@linux.intel.com, r-ravikumar@ti.com,
lyude@redhat.com, alexander.deucher@amd.com,
sjakhade@cadence.com, yamonkar@cadence.com
Subject: Re: [PATCH 1/2] dt-bindings: drm/bridge: Add no-hpd property
Date: Fri, 17 Mar 2023 13:38:11 +0100 [thread overview]
Message-ID: <dbc43c09-f8ec-f877-598a-adff47d44b0e@linaro.org> (raw)
In-Reply-To: <20230316140823.234263-2-j-choudhary@ti.com>
On 16/03/2023 15:08, Jayesh Choudhary wrote:
> From: Rahul T R <r-ravikumar@ti.com>
>
> Add no-hpd property to the bindings, to disable
> hpd when not connected or unusable
>
> Signed-off-by: Rahul T R <r-ravikumar@ti.com>
> Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
> ---
> .../devicetree/bindings/display/bridge/cdns,mhdp8546.yaml | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8546.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8546.yaml
> index b2e8bc6da9d0..69d381195218 100644
> --- a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8546.yaml
> +++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8546.yaml
> @@ -57,6 +57,12 @@ properties:
> interrupts:
> maxItems: 1
>
> + cdns,no-hpd:
There is already no-hpd property.
> + type: boolean
> + description:
> + Set if the HPD line on the bridge isn't hooked up to anything or is
> + otherwise unusable.
It's the property of the panel, not bridge. Unless you want to say that
bridge physically does not have HPD? Does it follow the standard in such
case?
Best regards,
Krzysztof
next prev parent reply other threads:[~2023-03-17 12:38 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-16 14:08 [PATCH 0/2] "no-hpd" support in CDNS DP bridge driver Jayesh Choudhary
2023-03-16 14:08 ` [PATCH 1/2] dt-bindings: drm/bridge: Add no-hpd property Jayesh Choudhary
2023-03-17 12:38 ` Krzysztof Kozlowski [this message]
2023-03-21 12:02 ` Jayesh Choudhary
2023-03-21 12:38 ` Krzysztof Kozlowski
2023-03-21 14:28 ` Jayesh Choudhary
2023-03-21 15:17 ` Krzysztof Kozlowski
2023-03-23 12:26 ` Jayesh Choudhary
2023-03-16 14:08 ` [PATCH 2/2] drm: bridge: cdns-mhdp8546: Add support for no-hpd Jayesh Choudhary
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