From mboxrd@z Thu Jan 1 00:00:00 1970 From: Claude Code Review Bot To: dri-devel-reviews@example.com Subject: Claude review: Add support for PIXPAPER 4.26 monochrome e-ink panel Date: Thu, 07 May 2026 13:55:14 +1000 Message-ID: In-Reply-To: <20260506-bar-v1-0-12195406f4ef@gmail.com> References: <20260506-bar-v1-0-12195406f4ef@gmail.com> X-Mailer: Claude Code Patch Reviewer Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Overall Series Review Subject: Add support for PIXPAPER 4.26 monochrome e-ink panel Author: LiangCheng Wang Patches: 5 Reviewed: 2026-05-07T13:55:14.683316 --- This series adds a DRM tiny driver for the Mayqueen Pixpaper 4.26 monochrom= e e-ink panel (800x480, SPI). The code is structurally modeled on the exist= ing `pixpaper.c` driver for the original Pixpaper panel, which is sensible.= However, there are several issues ranging from a critical Kconfig/code mis= match, to empty enable/disable callbacks, indentation problems, and missing= shutdown handling. The driver appears to be for a different e-ink controll= er family (SSD16xx-style commands like 0x01/0x22/0x24/0x44/0x45 vs. the UC8= 253-style commands in the original pixpaper.c), so having a separate driver= file is reasonable. **Key concerns:** 1. **Kconfig selects `DRM_GEM_DMA_HELPER` but the driver uses `DRM_GEM_SHME= M_DRIVER_OPS`** =E2=80=94 this is a build/link-time mismatch that will eith= er fail to compile or pull in unnecessary code. 2. **Empty CRTC enable/disable callbacks** =E2=80=94 no power on/off comman= ds are sent to the panel hardware, unlike the existing pixpaper.c driver. 3. **Missing `.shutdown` callback** on the SPI driver =E2=80=94 other tiny = drivers provide this for orderly shutdown on reboot. 4. **Indentation errors** in `pixpaper_connector_get_modes()`. 5. **Unnecessary forward declaration** and unusual bare block scope in `ato= mic_update`. --- --- Generated by Claude Code Patch Reviewer