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From: Claude Code Review Bot <claude-review@example.com>
To: dri-devel-reviews@example.com
Subject: Claude review: drm: bridge: dw_hdmi: Misc enable/disable, CEC and EDID cleanup
Date: Sat, 16 May 2026 16:21:40 +1000	[thread overview]
Message-ID: <review-overall-20260510124111.1226584-1-jonas@kwiboo.se> (raw)
In-Reply-To: <20260510124111.1226584-1-jonas@kwiboo.se>

Overall Series Review

Subject: drm: bridge: dw_hdmi: Misc enable/disable, CEC and EDID cleanup
Author: Jonas Karlman <jonas@kwiboo.se>
Patches: 23
Reviewed: 2026-05-16T16:21:40.996983

---

This is a well-structured 21-patch cleanup series for the `dw-hdmi` bridge driver by Jonas Karlman, part of a larger effort to upstream HDMI 2.0 support for Rockchip RK33xx devices. The series is now at v5 and has collected several reviewed-by tags from Neil Armstrong and Nicolas Frattaroli.

**Theme**: The series simplifies the enable/disable path, fixes hotplug handling, migrates to modern DRM APIs (generic CEC notifier helpers, `display_info` fields), adds HPD debouncing, and removes now-dead RXSENSE machinery. The result is a net deletion of ~130 lines and significantly simpler code.

**Strengths**:
- Logical patch ordering with clean dependencies — early patches set up the ability to remove code in later patches
- Addresses real bugs: scrambler not cleared on hotplug to HDMI 1.4 sink (patch 1), spurious connected events on RX sense change (patch 2), use-after-free on connector cleanup (patch 7), duplicate hotplug uevents (patch 21)
- Good use of the modern `enable_delayed_work`/`disable_delayed_work` APIs and `drmm_connector_hdmi_cec_notifier_register`
- Thorough commit messages, especially patches 2, 16, 17, and 21

**Concerns**: A few minor issues noted below. The most significant is that the `status` parameter to `dw_hdmi_connector_status_update()` (patch 11) goes unused initially, creating a briefly misleading intermediate state. The series also has a typo in patch 21's commit message. No blocking issues found.

**Recommendation**: This series looks good for merging. The new patches in v5 (7, 8, 15, 21) are sensible additions. The UAF fix in patch 7 is particularly important.

---
Generated by Claude Code Patch Reviewer

  parent reply	other threads:[~2026-05-16  6:21 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-10 12:40 [PATCH v5 00/21] drm: bridge: dw_hdmi: Misc enable/disable, CEC and EDID cleanup Jonas Karlman
2026-05-10 12:40 ` [PATCH v5 01/21] drm: bridge: dw_hdmi: Disable scrambler feature when not supported Jonas Karlman
2026-05-16  6:21   ` Claude review: " Claude Code Review Bot
2026-05-10 12:40 ` [PATCH v5 02/21] drm: bridge: dw_hdmi: Only notify connected status on HPD interrupt Jonas Karlman
2026-05-16  6:21   ` Claude review: " Claude Code Review Bot
2026-05-10 12:40 ` [PATCH v5 03/21] drm: bridge: dw_hdmi: Call poweron/poweroff from atomic enable/disable Jonas Karlman
2026-05-16  6:21   ` Claude review: " Claude Code Review Bot
2026-05-10 12:40 ` [PATCH v5 04/21] drm: bridge: dw_hdmi: Use passed mode instead of stored previous_mode Jonas Karlman
2026-05-16  6:21   ` Claude review: " Claude Code Review Bot
2026-05-10 12:40 ` [PATCH v5 05/21] drm: bridge: dw_hdmi: Fold poweron and setup functions Jonas Karlman
2026-05-16  6:21   ` Claude review: " Claude Code Review Bot
2026-05-10 12:40 ` [PATCH v5 06/21] drm: bridge: dw_hdmi: Remove previous_mode and mode_set Jonas Karlman
2026-05-16  6:21   ` Claude review: " Claude Code Review Bot
2026-05-10 12:40 ` [PATCH v5 07/21] drm: bridge: dw_hdmi: Hold bridge ref until connector cleanup Jonas Karlman
2026-05-16  6:21   ` Claude review: " Claude Code Review Bot
2026-05-10 12:40 ` [PATCH v5 08/21] drm: bridge: dw_hdmi: Unregister CEC notifier during " Jonas Karlman
2026-05-16  6:21   ` Claude review: " Claude Code Review Bot
2026-05-10 12:40 ` [PATCH v5 09/21] drm: bridge: dw_hdmi: Invalidate CEC phys addr from connector detect Jonas Karlman
2026-05-16  6:21   ` Claude review: " Claude Code Review Bot
2026-05-10 12:40 ` [PATCH v5 10/21] drm: bridge: dw_hdmi: Remove cec_notifier_mutex Jonas Karlman
2026-05-16  6:21   ` Claude review: " Claude Code Review Bot
2026-05-10 12:40 ` [PATCH v5 11/21] drm: bridge: dw_hdmi: Extract dw_hdmi_connector_status_update() Jonas Karlman
2026-05-16  6:21   ` Claude review: " Claude Code Review Bot
2026-05-10 12:40 ` [PATCH v5 12/21] drm: bridge: dw_hdmi: Use dw_hdmi_connector_status_update() Jonas Karlman
2026-05-16  6:21   ` Claude review: " Claude Code Review Bot
2026-05-10 12:40 ` [PATCH v5 13/21] drm: bridge: dw_hdmi: Use display_info is_hdmi and has_audio Jonas Karlman
2026-05-16  6:21   ` Claude review: " Claude Code Review Bot
2026-05-10 12:40 ` [PATCH v5 14/21] drm: bridge: dw_hdmi: Use generic CEC notifier helpers Jonas Karlman
2026-05-16  6:21   ` Claude review: " Claude Code Review Bot
2026-05-10 12:40 ` [PATCH v5 15/21] drm: bridge: dw_hdmi: Add common suspend helper Jonas Karlman
2026-05-16  6:21   ` Claude review: " Claude Code Review Bot
2026-05-10 12:41 ` [PATCH v5 16/21] drm: bridge: dw_hdmi: Use delayed_work to debounce hotplug event Jonas Karlman
2026-05-16  6:21   ` Claude review: " Claude Code Review Bot
2026-05-10 12:41 ` [PATCH v5 17/21] drm: bridge: dw_hdmi: Rework HDP and RXSENSE interrupt handling Jonas Karlman
2026-05-16  6:21   ` Claude review: " Claude Code Review Bot
2026-05-10 12:41 ` [PATCH v5 18/21] drm: bridge: dw_hdmi: Remove the empty dw_hdmi_setup_rx_sense() Jonas Karlman
2026-05-16  6:21   ` Claude review: " Claude Code Review Bot
2026-05-10 12:41 ` [PATCH v5 19/21] drm: bridge: dw_hdmi: Remove the empty dw_hdmi_phy_update_hpd() Jonas Karlman
2026-05-16  6:21   ` Claude review: " Claude Code Review Bot
2026-05-10 12:41 ` [PATCH v5 20/21] drm: bridge: dw_hdmi: Merge top and bottom half IRQ handlers Jonas Karlman
2026-05-16  6:21   ` Claude review: " Claude Code Review Bot
2026-05-10 12:41 ` [PATCH v5 21/21] drm: bridge: dw_hdmi: Drop call to drm_bridge_hpd_notify() Jonas Karlman
2026-05-16  6:21   ` Claude review: " Claude Code Review Bot
2026-05-15  9:27 ` [PATCH v5 00/21] drm: bridge: dw_hdmi: Misc enable/disable, CEC and EDID cleanup Diederik de Haas
2026-05-16  6:21 ` Claude Code Review Bot [this message]
  -- strict thread matches above, loose matches on Subject: below --
2026-05-16 18:38 [PATCH v6 00/22] " Jonas Karlman
2026-05-18  6:41 ` Claude review: " Claude Code Review Bot
2026-05-04 19:10 [PATCH v4 00/17] " Jonas Karlman
2026-05-04 21:58 ` Claude review: " Claude Code Review Bot

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