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charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250509-drm-bridge-convert-to-alloc-api-v3-22-b8bc1f16d7aa@bootlin.com> References: <20250509-drm-bridge-convert-to-alloc-api-v3-0-b8bc1f16d7aa@bootlin.com> In-Reply-To: <20250509-drm-bridge-convert-to-alloc-api-v3-0-b8bc1f16d7aa@bootlin.com> To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Jagan Teki , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Douglas Anderson , Chun-Kuang Hu , Krzysztof Kozlowski Cc: Anusha Srivatsa , Paul Kocialkowski , Dmitry Baryshkov , Hui Pu , Thomas Petazzoni , dri-devel@lists.freedesktop.org, asahi@lists.linux.dev, linux-kernel@vger.kernel.org, chrome-platform@lists.linux.dev, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-renesas-soc@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-stm32@st-md-mailman.stormreply.com, Luca Ceresoli , Jonathan Corbet , linux-doc@vger.kernel.org X-Mailer: b4 0.14.2 X-GND-State: clean X-GND-Score: -100 X-GND-Cause: gggruggvucftvghtrhhoucdtuddrgeefvddrtddtgddvledvjeelucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuifetpfffkfdpucggtfgfnhhsuhgsshgtrhhisggvnecuuegrihhlohhuthemuceftddunecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpefhfffugggtgffkfhgjvfevofesthejredtredtjeenucfhrhhomhepnfhutggrucevvghrvghsohhlihcuoehluhgtrgdrtggvrhgvshholhhisegsohhothhlihhnrdgtohhmqeenucggtffrrghtthgvrhhnpeeiieeuvdfftefgueduleehueetgffgjeeitedtteetkeeuueeuueekveevvdeuveenucfkphepvdgrtddvmeeijedtmedvtddvtdemvggrtddumegsvgegudemleehvgejmeefgeefmeeludefvgenucevlhhushhtvghrufhiiigvpedvtdenucfrrghrrghmpehinhgvthepvdgrtddvmeeijedtmedvtddvtdemvggrtddumegsvgegudemleehvgejmeefgeefmeeludefvgdphhgvlhhopegludelvddrudeikedrudejkedruddukegnpdhmrghilhhfrhhomheplhhutggrrdgtvghrvghsohhlihessghoohhtlhhinhdrtghomhdpnhgspghrtghpthhtohepgedupdhrtghpthhtohepjhhonhgrsheskhifihgsohhordhsvgdprhgtphhtthhopegrnhgurhiivghjrdhhrghjuggrsehinhhtvghlrdgtohhmpdhrtghpthhtohepihhmgieslhhishhtshdrlhhinhhugidruggvvhdprhgtphhtthhopehlihhnu higqdgrrhhmqdhmshhmsehvghgvrhdrkhgvrhhnvghlrdhorhhgpdhrtghpthhtohepthiiihhmmhgvrhhmrghnnhesshhushgvrdguvgdprhgtphhtthhopehkvghrnhgvlhesphgvnhhguhhtrhhonhhigidruggvpdhrtghpthhtoheplhhutggrrdgtvghrvghsohhlihessghoohhtlhhinhdrtghomhdprhgtphhtthhopegtohhrsggvtheslhifnhdrnhgvth X-GND-Sasl: luca.ceresoli@bootlin.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250509_065724_720019_13CE5AC4 X-CRM114-Status: GOOD ( 10.38 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org devm_drm_put_bridge() is a temporary workaround waiting for the panel bridge lifetime rework. Add a TODO entry to not forget it must be removed after such rework. Suggested-by: Maxime Ripard Signed-off-by: Luca Ceresoli --- To: Jonathan Corbet Cc: linux-doc@vger.kernel.org This patch was added in v3 --- Documentation/gpu/todo.rst | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/Documentation/gpu/todo.rst b/Documentation/gpu/todo.rst index c57777a24e03d91b1ffe04365f7356f2d938befd..be8637da3fe950ddcb65cdcf626bc4b4e6b0fa26 100644 --- a/Documentation/gpu/todo.rst +++ b/Documentation/gpu/todo.rst @@ -515,6 +515,21 @@ Contact: Douglas Anderson Level: Starter +Remove devm_drm_put_bridge() +---------------------------- + +Due to how the panel bridge handles the drm_bridge object lifetime, special +care must be taken to dispose of the drm_bridge object when the +panel_bridge is removed. This is currently managed using +devm_drm_put_bridge(), but that is an unsafe, temporary workaround. To fix +that, the DRM panel lifetime needs to be reworked. After the rework is +done, remove devm_drm_put_bridge() and the TODO in +drm_panel_bridge_remove(). + +Contact: Maxime Ripard , + Luca Ceresoli + +Level: Intermediate Core refactorings ================= -- 2.49.0