| Message ID | 20260320-drm-mode-config-init-v2-2-c63f1134e76c@kernel.org (mailing list archive) |
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Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3409D3D1717; Fri, 20 Mar 2026 16:27:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774024053; cv=none; b=ZimLj8HiujnlAh2EJyw4NHOBxZlCEXvkbJDSiSe91cUzylN6qegn1T3CtlynA0DlwInaBKRxDM5lN5eESyUYcOH/y9jgv0vkR1shn5jUMqEvS+2A7g52aDXeui+x8BK3AdBBb3H1z38aemY8w1i1mYdaEHQDdSigeaElmZm/AzY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774024053; c=relaxed/simple; bh=H+nAyAHG7r+c++BxBGG12xBnveAJ4BFIOThMlPVrju4=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=HUAZjSt6jONdNZmMDdfV1qC0OgNqhRZJW7c7b0/XHHV/Ujby6q8PLTbDhRzqABeomCz1+5rGssvYumTIcAcoqxPpdiLck5EGCmU1bYB1B+lVBaABCAWpivoczugyeuFioQAXXiKkUIuGh+bGekmSHIPIntSZaH+H57k6qRsDL2k= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=n+jGhnRW; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="n+jGhnRW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 835B8C19425; Fri, 20 Mar 2026 16:27:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774024053; bh=H+nAyAHG7r+c++BxBGG12xBnveAJ4BFIOThMlPVrju4=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=n+jGhnRW032yI4TUKZGdS9Ogindi4qhXgdcN8dCcLhblct54XXcPInAz7SUNUpt/c BFTtx0Hqfpo6vyb0sjnuAmTpFfoEmMninyJvtFw2++5Meyd/Lk8gyPcG0GWPoe6xOB SQwkFGOerwleCoL8tFvz2maLjl6hAlgD1qg2bjHGqo5kwC2bPjo0oSxzewHFqb1HNa elgEIMFa2Nr4sre2tKv9z9Zv2P6G095/VgDUGUBQfPYvYn5+F09fjI/0u3ESDgDd8b MR2cChEG65XL7Fd24g3Ek8o0pWYZijVzm1bELRjnnKm8Ioc+MGR8bkvMTROnvzxXky VZJwKm9XguWAQ== From: Maxime Ripard <mripard@kernel.org> Date: Fri, 20 Mar 2026 17:27:09 +0100 Subject: [PATCH v2 02/20] drm/atomic: Drop drm_private_state.obj assignment from create_state Precedence: bulk X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: <linux-sunxi.lists.linux.dev> List-Subscribe: <mailto:linux-sunxi+subscribe@lists.linux.dev> List-Unsubscribe: <mailto:linux-sunxi+unsubscribe@lists.linux.dev> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260320-drm-mode-config-init-v2-2-c63f1134e76c@kernel.org> References: <20260320-drm-mode-config-init-v2-0-c63f1134e76c@kernel.org> In-Reply-To: <20260320-drm-mode-config-init-v2-0-c63f1134e76c@kernel.org> To: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>, Thomas Zimmermann <tzimmermann@suse.de>, David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>, Jonathan Corbet <corbet@lwn.net>, Shuah Khan <skhan@linuxfoundation.org>, Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>, Jyri Sarha <jyri.sarha@iki.fi>, Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>, Andrzej Hajda <andrzej.hajda@intel.com>, Neil Armstrong <neil.armstrong@linaro.org>, Robert Foss <rfoss@kernel.org>, Laurent Pinchart <Laurent.pinchart@ideasonboard.com>, Jonas Karlman <jonas@kwiboo.se>, Jernej Skrabec <jernej.skrabec@gmail.com>, Simon Ser <contact@emersion.fr>, Harry Wentland <harry.wentland@amd.com>, Melissa Wen <mwen@igalia.com>, Sebastian Wick <sebastian.wick@redhat.com>, Alex Hung <alex.hung@amd.com>, Jani Nikula <jani.nikula@linux.intel.com>, Rodrigo Vivi <rodrigo.vivi@intel.com>, Joonas Lahtinen <joonas.lahtinen@linux.intel.com>, Tvrtko Ursulin <tursulin@ursulin.net>, Chen-Yu Tsai <wens@kernel.org>, Samuel Holland <samuel@sholland.org>, Dave Stevenson <dave.stevenson@raspberrypi.com>, =?utf-8?q?Ma=C3=ADra_Cana?= =?utf-8?q?l?= <mcanal@igalia.com>, Raspberry Pi Kernel Maintenance <kernel-list@raspberrypi.com> Cc: dri-devel@lists.freedesktop.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Daniel Stone <daniels@collabora.com>, intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, Maxime Ripard <mripard@kernel.org> X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1530; i=mripard@kernel.org; h=from:subject:message-id; bh=H+nAyAHG7r+c++BxBGG12xBnveAJ4BFIOThMlPVrju4=; b=owGbwMvMwCmsHn9OcpHtvjLG02pJDJl7S1P+Pu433BjQ+OdChu/T5++uBT/p+Png94+XizZZa /dO2Rlu1jGVhUGYk0FWTJHliUzY6eXti6sc7Ff+gJnDygQyhIGLUwAmktXDWB87WyvqzpTTF1Wk LX7oWMcZRpSYRB9oPWSiqLJrqU0Rl/6ylk1LFy/0VDx904tRqTWwhbFh3nNHz4Ruey9n3k29Npq Zlgf2iW/fe/aKWPWEy5N2sCjsrLH9cvRp0eHk63Fx07fsD9kKAA== X-Developer-Key: i=mripard@kernel.org; a=openpgp; fpr=BE5675C37E818C8B5764241C254BCFC56BF6CE8D Status: O |
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drm/atomic: Rework initial state allocation
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Commit Message
Maxime Ripard
March 20, 2026, 4:27 p.m. UTC
The initial intent of the atomic_create_state helper was to simply
allocate a proper drm_private_state and returning it, without any side
effect.
However, the __drm_atomic_helper_private_obj_create_state() introduces a
side effect by setting the drm_private_obj.state to the newly allocated
state.
This assignment defeats the purpose, but is also redundant since
the only caller, drm_atomic_private_obj_init(), will also set this
pointer to the newly allocated state.
Let's drop the assignment in __drm_atomic_helper_private_obj_create_state().
Fixes: e7be39ed1716 ("drm/atomic-helper: Add private_obj atomic_create_state helper")
Signed-off-by: Maxime Ripard <mripard@kernel.org>
---
drivers/gpu/drm/drm_atomic_state_helper.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/gpu/drm/drm_atomic_state_helper.c b/drivers/gpu/drm/drm_atomic_state_helper.c index 76746ad4a1bbb7142c067c93dd05fbec5d2f98eb..875149494b00e1eb7481e87d7d7038103b72b7e3 100644 --- a/drivers/gpu/drm/drm_atomic_state_helper.c +++ b/drivers/gpu/drm/drm_atomic_state_helper.c @@ -729,12 +729,10 @@ EXPORT_SYMBOL(drm_atomic_helper_connector_destroy_state); void __drm_atomic_helper_private_obj_create_state(struct drm_private_obj *obj, struct drm_private_state *state) { if (state) state->obj = obj; - - obj->state = state; } EXPORT_SYMBOL(__drm_atomic_helper_private_obj_create_state); /** * __drm_atomic_helper_private_obj_duplicate_state - copy atomic private state