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bh=INhI5GY5KpAC1e+W0x4kcSuViX4iAnBipLvZsEs2/Fk=; b=IJjbYn/+SO/mrbDC/CF08v7B3Sw2MF+noNcWTp3Wj70f/uveC5LNeuQSjierBp62340XSm utadCLhc7w7zpJ1rWiD/Ixsls4qERj/rGGRi5r8wXHq00oIK8cBrwBaWFKEOSLaYkFf/zN CW4nHDDytGgu9Y41d2xVlCEbyOUCXFeyV8nw4ma9At4uWOLad3vyWZ3OaigutUzCNaOc+E O/04uIif1V3r0dyRr93/sWb/Kd6Ddh3pJ9CjyMtnDJlOMPyAqpQXGXPnkZVWuxaVi9BLnm OXmazCgphXS2c+GnIcCm9RMqt9ZmrgkBgccfcVRNh4bkTjax3QLWI6ytn3uT+Q== From: Luca Ceresoli Date: Wed, 26 Mar 2025 18:47:37 +0100 Subject: [PATCH v9 3/5] drm/bridge: make devm_drm_bridge_alloc() mandatory for bridge allocation Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250326-drm-bridge-refcount-v9-3-5e0661fe1f84@bootlin.com> References: <20250326-drm-bridge-refcount-v9-0-5e0661fe1f84@bootlin.com> In-Reply-To: <20250326-drm-bridge-refcount-v9-0-5e0661fe1f84@bootlin.com> To: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Marek Vasut , Stefan Agner , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Inki Dae , Jagan Teki , Marek Szyprowski Cc: Thomas Petazzoni , Anusha Srivatsa , Paul Kocialkowski , Dmitry Baryshkov , =?utf-8?q?Herv=C3=A9_Codina?= , Hui Pu , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Luca Ceresoli X-Mailer: b4 0.14.2 X-GND-State: clean X-GND-Score: -100 X-GND-Cause: gggruggvucftvghtrhhoucdtuddrgeefvddrtddtgdduieeiudejucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuifetpfffkfdpucggtfgfnhhsuhgsshgtrhhisggvnecuuegrihhlohhuthemuceftddunecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpefhfffugggtgffkfhgjvfevofesthejredtredtjeenucfhrhhomhepnfhutggrucevvghrvghsohhlihcuoehluhgtrgdrtggvrhgvshholhhisegsohhothhlihhnrdgtohhmqeenucggtffrrghtthgvrhhnpeeiieeuvdfftefgueduleehueetgffgjeeitedtteetkeeuueeuueekveevvdeuveenucfkphepvdgrtddvmeeijedtmedvtddvtdemvggrtddumegsvgegudemleehvgejmeefgeefmeeludefvgenucevlhhushhtvghrufhiiigvpedunecurfgrrhgrmhepihhnvghtpedvrgdtvdemieejtdemvddtvddtmegvrgdtudemsggvgedumeelhegvjeemfeegfeemledufegvpdhhvghloheplgduledvrdduieekrddujeekrdejhegnpdhmrghilhhfrhhomheplhhutggrrdgtvghrvghsohhlihessghoohhtlhhinhdrtghomhdpnhgspghrtghpthhtohepfedupdhrtghpthhtohepmhgrrghrthgvnhdrlhgrnhhkhhhorhhstheslhhinhhugidrihhnthgvlhdrtghomhdprhgtphhtthhopehmrghrvgigseguvghngidruggvpdhrtghpthhtohepihhmgieslhhishhtshdrlhhinhhugidruggvvhdprhgtphhtt hhopefjuhhirdfruhesghgvhhgvrghlthhhtggrrhgvrdgtohhmpdhrtghpthhtohepshhimhhonhgrsehffhiflhhlrdgthhdprhgtphhtthhopehnvghilhdrrghrmhhsthhrohhngheslhhinhgrrhhordhorhhgpdhrtghpthhtoheprghirhhlihgvugesghhmrghilhdrtghomhdprhgtphhtthhopehhvghrvhgvrdgtohguihhnrgessghoohhtlhhinhdrtghomh X-GND-Sasl: luca.ceresoli@bootlin.com All DRM bridges are now supposed to be allocated using devm_drm_bridge_alloc(), which is cleaner and necessary to support refcounting. In the absence of a drm_bridge_init() or such initialization function, document the new mandatory alloc function on the first DRM bridge core function that is called after allocation, i.e. drm_bridge_add(). Suggested-by: Maxime Ripard Signed-off-by: Luca Ceresoli Reviewed-by: Maxime Ripard --- Changes in v9: - remove sentence about old-style allocation This patch was added in v8. --- drivers/gpu/drm/drm_bridge.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/drm_bridge.c b/drivers/gpu/drm/drm_bridge.c index 22b459af112fd3cd2db00aa16668d270e028b307..b4c89ec01998b849018ce031c7c= d84614e65e710 100644 --- a/drivers/gpu/drm/drm_bridge.c +++ b/drivers/gpu/drm/drm_bridge.c @@ -286,6 +286,9 @@ EXPORT_SYMBOL(__devm_drm_bridge_alloc); * drm_bridge_add - add the given bridge to the global bridge list * * @bridge: bridge control structure + * + * The bridge to be added must have been allocated by + * devm_drm_bridge_alloc(). */ void drm_bridge_add(struct drm_bridge *bridge) { --=20 2.49.0