From: "Yifei Zhan" <yifei@zhan.science>
To: "Dmitry Baryshkov" <dmitry.baryshkov@oss.qualcomm.com>,
"Richard Acayan" <mailingradian@gmail.com>
Cc: "Bjorn Andersson" <andersson@kernel.org>,
"Konrad Dybcio" <konradybcio@kernel.org>,
"Rob Herring" <robh@kernel.org>,
"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
"Conor Dooley" <conor+dt@kernel.org>,
"Neil Armstrong" <neil.armstrong@linaro.org>,
"Jessica Zhang" <jesszhan0024@gmail.com>,
"Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
"Maxime Ripard" <mripard@kernel.org>,
"Thomas Zimmermann" <tzimmermann@suse.de>,
"David Airlie" <airlied@gmail.com>,
"Simona Vetter" <simona@ffwll.ch>,
"Thierry Reding" <thierry.reding@gmail.com>,
"Sam Ravnborg" <sam@ravnborg.org>,
<linux-arm-msm@vger.kernel.org>, <devicetree@vger.kernel.org>,
<dri-devel@lists.freedesktop.org>
Subject: Re: [PATCH 3/6] drm/panel: Add Novatek/Tianma NT37700F panel
Date: Mon, 16 Feb 2026 09:51:57 +0000 [thread overview]
Message-ID: <DGGAL7I1KRM8.1DSZIKWRHLEPM@zhan.science> (raw)
In-Reply-To: <gpkuq7b6mae5ib2xvphmir66pb6ysexhhfqkorve5zewkj4ofc@ryccazsoxqm7>
On Fri Feb 13, 2026 at 6:07 PM UTC, Dmitry Baryshkov wrote:
> On Mon, Feb 09, 2026 at 09:32:57PM -0500, Richard Acayan wrote:
>> Some Pixel 3a XL devices have a Tianma panel. Add support for it, with
>> the aid of linux-mdss-dsi-panel-driver-generator.
>>
>> Link: https://github.com/msm8916-mainline/linux-mdss-dsi-panel-driver-generator
>> Signed-off-by: Richard Acayan <mailingradian@gmail.com>
>> ---
>> drivers/gpu/drm/panel/Kconfig | 9 +
>> drivers/gpu/drm/panel/Makefile | 1 +
>> .../gpu/drm/panel/panel-novatek-nt37700f.c | 294 ++++++++++++++++++
>> 3 files changed, 304 insertions(+)
>> create mode 100644 drivers/gpu/drm/panel/panel-novatek-nt37700f.c
<--cut-->
>>
>> +// TODO: Check if /sys/class/backlight/.../actual_brightness actually returns
>> +// correct values. If not, remove this function.
>
> Any chance of checking it?
I tested this with my Pixel3A XL with tianma panel, it worked correctly.
/sys/class/backlight/.../actual_brightness returns same value
as /sys/class/backlight/.../brightness and I'm able to change brightness
level.
Tested-by: Yifei Zhan <yifei@zhan.science>
>
next prev parent reply other threads:[~2026-02-16 9:52 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-10 2:32 [PATCH 0/6] Support for the Pixel 3a XL with the Tianma panel Richard Acayan
2026-02-10 2:32 ` [PATCH 1/6] dt-bindings: arm: qcom: document google,bonito-tianma board Richard Acayan
2026-02-10 2:32 ` [PATCH 1/6] dt-bindings: arm: qcom: document google, bonito-tianma board Richard Acayan
2026-02-10 9:12 ` [PATCH 1/6] dt-bindings: arm: qcom: document google,bonito-tianma board Krzysztof Kozlowski
2026-02-10 9:12 ` [PATCH 1/6] dt-bindings: arm: qcom: document google, bonito-tianma board Krzysztof Kozlowski
2026-02-13 18:09 ` Dmitry Baryshkov
2026-02-14 8:25 ` Krzysztof Kozlowski
2026-02-10 2:32 ` [PATCH 2/6] dt-bindings: panel-simple-dsi: add nt37700f compatible Richard Acayan
2026-02-10 9:12 ` Krzysztof Kozlowski
2026-02-10 2:32 ` [PATCH 3/6] drm/panel: Add Novatek/Tianma NT37700F panel Richard Acayan
2026-02-13 18:07 ` Dmitry Baryshkov
2026-02-16 9:51 ` Yifei Zhan [this message]
2026-02-24 9:55 ` Dmitry Baryshkov
2026-02-10 2:32 ` [PATCH 4/6] arm64: dts: qcom: sdm670-google-sargo: add touchscreen and display labels Richard Acayan
2026-02-10 2:32 ` [PATCH 5/6] arm64: dts: qcom: sdm670-google: add common device tree include Richard Acayan
2026-02-12 10:30 ` Konrad Dybcio
2026-02-13 17:21 ` Dmitry Baryshkov
2026-02-10 2:33 ` [PATCH 6/6] arm64: dts: qcom: add support for pixel 3a xl with the tianma panel Richard Acayan
2026-02-10 9:10 ` Konrad Dybcio
2026-02-11 19:33 ` Richard Acayan
2026-02-12 10:29 ` Konrad Dybcio
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