Hi, Neil Thanks for your comment.
> -----Original Message----- > From: neil.armstr...@linaro.org <neil.armstr...@linaro.org> > Sent: 2024年1月9日 19:19 > To: Shengyang Chen <shengyang.c...@starfivetech.com>; > devicet...@vger.kernel.org; dri-devel@lists.freedesktop.org > Cc: quic_jessz...@quicinc.com; s...@ravnborg.org; airl...@gmail.com; > dan...@ffwll.ch; maarten.lankho...@linux.intel.com; mrip...@kernel.org; > tzimmerm...@suse.de; robh...@kernel.org; > krzysztof.kozlowski...@linaro.org; conor...@kernel.org; wahre...@gmx.net; > dave.steven...@raspberrypi.com; thierry.red...@gmail.com; Changhuang > Liang <changhuang.li...@starfivetech.com>; Keith Zhao > <keith.z...@starfivetech.com>; Jack Zhu <jack....@starfivetech.com>; > linux-ker...@vger.kernel.org > Subject: Re: [PATCH v2 0/2] Add waveshare 7inch touchscreen panel support > > Hi, > > On 09/01/2024 08:09, Shengyang Chen wrote: > > This patchset adds waveshare 7inch touchscreen panel support for the > > StarFive JH7110 SoC. > > Could you precise which SKU you're referring to ? is it 19885 => > https://www.waveshare.com/7inch-dsi-lcd.htm ? > yes, it is sorry for confusing you. > Are you sure it requires different timings from the RPi one ? In the Waveshare > wiki it explicitly uses the rpi setup (vc4-kms-dsi-7inch) to drive it: > https://www.waveshare.com/wiki/7inch_DSI_LCD > Referring to Keith's answer https://lists.freedesktop.org/archives/dri-devel/2023-December/434200.html the panel timing value is generated to fit phy's bitrate and prevent overflow and underflow. Referring to the suggestion, we may try other timing from panel-simple to drive the panel. > Neil > > > > > > > changes since v1: > > - Rebased on tag v6.7. > > > > patch 1: > > - Gave up original changing. > > - Changed the commit message. > > - Add compatible in panel-simple.yaml > > > > patch 2: > > - Gave up original changing. > > - Changed the commit message. > > - Add new mode for the panel in panel-simple.c > > > > v1: > > https://patchwork.kernel.org/project/dri-devel/cover/20231124104451.44 > > 271-1-shengyang.c...@starfivetech.com/ > > > > Shengyang Chen (2): > > dt-bindings: display: panel: panel-simple: Add compatible property for > > waveshare 7inch touchscreen panel > > gpu: drm: panel: panel-simple: add new display mode for waveshare > > 7inch touchscreen panel > > > > .../bindings/display/panel/panel-simple.yaml | 2 ++ > > drivers/gpu/drm/panel/panel-simple.c | 28 > +++++++++++++++++++ > > 2 files changed, 30 insertions(+) > > Best Regards, Shengyang