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Message-ID: <e36572bf-4fb4-425e-8d10-c5efa5af97f3@oss.qualcomm.com>
Date: Mon, 6 Oct 2025 11:24:35 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>,
Junjie Cao <caojunjie650@...il.com>
Cc: Neil Armstrong <neil.armstrong@...aro.org>,
Jessica Zhang <jessica.zhang@....qualcomm.com>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>,
Thomas Zimmermann <tzimmermann@...e.de>,
David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Rob Clark
<robin.clark@....qualcomm.com>,
Dmitry Baryshkov <lumag@...nel.org>,
Abhinav Kumar <abhinav.kumar@...ux.dev>, Sean Paul <sean@...rly.run>,
Marijn Suijten <marijn.suijten@...ainline.org>,
Antonino Maniscalco <antomani103@...il.com>,
Jonathan Marek <jonathan@...ek.ca>, Eugene Lepshy <fekz115@...il.com>,
Jun Nie <jun.nie@...aro.org>, dri-devel@...ts.freedesktop.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-msm@...r.kernel.org, freedreno@...ts.freedesktop.org
Subject: Re: [PATCH 3/3] drm/panel: Add Novatek NT36532 panel driver
On 10/2/25 4:04 AM, Dmitry Baryshkov wrote:
> On Wed, Oct 01, 2025 at 09:59:14PM +0800, Junjie Cao wrote:
>> Add a driver for panels using the Novatek NT36532 Display Driver IC,
>> including support for the CSOT PPC100HB1-1, found in the OnePlus Pad 2
>> tablets.
>>
>> Signed-off-by: Junjie Cao <caojunjie650@...il.com>
>> ---
>> MAINTAINERS | 7 +
>> drivers/gpu/drm/panel/Kconfig | 10 +
>> drivers/gpu/drm/panel/Makefile | 1 +
>> drivers/gpu/drm/panel/panel-novatek-nt36532.c | 437 ++++++++++++++++++
>> 4 files changed, 455 insertions(+)
>> create mode 100644 drivers/gpu/drm/panel/panel-novatek-nt36532.c
>>
>> +
>> +static const struct panel_info csot_panel_info = {
>> + .width_mm = 250,
>> + .height_mm = 177,
>> + .lanes = 4,
>> + .format = MIPI_DSI_FMT_RGB888,
>> + .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_CLOCK_NON_CONTINUOUS |
>> + MIPI_DSI_MODE_LPM,
>> + .display_mode = csot_display_mode,
>> + .dsc_slice_per_pkt = 2,
>
> As this is not a part of the standard, what if the DSI host doesn't
> support this feature?
Shouldn't the core gracefully throw something like an -EINVAL?
Konrad
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