From: Marek Vasut <marek.vasut@mailbox.org>
To: Rob Herring <robh@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org,
Conor Dooley <conor+dt@kernel.org>,
David Airlie <airlied@gmail.com>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Jessica Zhang <jesszhan0024@gmail.com>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Magnus Damm <magnus.damm@gmail.com>,
Maxime Ripard <mripard@kernel.org>,
Neil Armstrong <neil.armstrong@linaro.org>,
Sam Ravnborg <sam@ravnborg.org>, Simona Vetter <simona@ffwll.ch>,
Thierry Reding <thierry.reding@gmail.com>,
Thomas Zimmermann <tzimmermann@suse.de>,
devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org,
linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: display: panel: Fork Waveshare panels into separate document
Date: Thu, 15 Jan 2026 20:20:03 +0100 [thread overview]
Message-ID: <85ff0eb2-d942-4f85-8f1d-c5982bd31bec@mailbox.org> (raw)
In-Reply-To: <20260115174047.GA930768-robh@kernel.org>
On 1/15/26 6:40 PM, Rob Herring wrote:
> On Tue, Jan 13, 2026 at 01:05:30AM +0100, Marek Vasut wrote:
>> Move the Waveshare panels description into separate document, so they
>> can be properly described with compatible = "waveshare,...", "panel-dpi"
>> and attached to "waveshare,dsi2dpi" bridge.
>
> But why do we need "panel-dpi"? Adding that requires changing a DT.
> Can't you make the kernel handle these compatible strings as a
> "panel-dpi" without the compatible?
I can, but wouldn't we then miss the more specific compatible strings in
the DT ?
compatible = "waveshare,13.3inch-panel", "panel-dpi";
^^^^^^^^^^^^^^^^^^^^^^^^^^
this ... would be removed. Do we want that ?
The other option would be to add the timings into panel-simple driver,
then we wouldn't have to change the bindings at all. Maybe that would be
preferable ?
next prev parent reply other threads:[~2026-01-15 19:20 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-13 0:05 Marek Vasut
2026-01-13 0:05 ` [PATCH 2/2] arm64: dts: renesas: sparrow-hawk: Add overlay for WaveShare Display 13.3" Marek Vasut
2026-01-13 9:13 ` [PATCH 1/2] dt-bindings: display: panel: Fork Waveshare panels into separate document Geert Uytterhoeven
2026-01-13 13:46 ` Marek Vasut
2026-01-15 17:40 ` Rob Herring
2026-01-15 19:20 ` Marek Vasut [this message]
2026-01-16 3:26 ` Rob Herring
2026-01-17 0:05 ` Marek Vasut
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