From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E1303CD6E54 for ; Sat, 30 May 2026 14:00:15 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 34C8710E362; Sat, 30 May 2026 14:00:15 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="UiCbf5xO"; dkim-atps=neutral Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1215D10E355 for ; Sat, 30 May 2026 14:00:04 +0000 (UTC) Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 479DF600BB; Sat, 30 May 2026 14:00:03 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7AD931F00893; Sat, 30 May 2026 14:00:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1780149603; bh=8ySUZyqoylZe3FBRiencx/+6tPruF278mTF4kjAn/nE=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=UiCbf5xOCxI5kw9Q7+Zgl8UxmCIdhoCaNYTZTm1YO9OMOdTzvsGjeTwF98a6ydeP/ MsvFoQkvxV/W5ezE/w0El0q3yDfSPzdkIlnZTEqcRsVxMSJORbXUl7+LwMR5HqxZxl +SfLHzWsEw2j52anKCdOYstQpFkgWVtexhb9xuWVsybXmOu1KFYf9OJZdGAgXiHG5d 8YZ9qFnZDMbAQrO8XL0VxaVmfbPicl3+N0ja3hqSZHapVqDjqmRoIa31IrR+RGd5SA WIR53ih/xUK6SVXux9fXDbcpSq1FLCxoUzkySjQtk8fn97WVPz3ozKPLPhhBz9vGV+ eeNxtlGkKCXkQ== From: Maxime Ripard Date: Sat, 30 May 2026 15:59:08 +0200 Subject: [PATCH 03/76] drm/atomic-state-helper: Drop memset from __drm_atomic_helper_bridge_state_init() MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260530-drm-no-more-bridge-reset-v1-3-875d828d31bc@kernel.org> References: <20260530-drm-no-more-bridge-reset-v1-0-875d828d31bc@kernel.org> In-Reply-To: <20260530-drm-no-more-bridge-reset-v1-0-875d828d31bc@kernel.org> To: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Luca Ceresoli , Maarten Lankhorst , Thomas Zimmermann , David Airlie , Simona Vetter Cc: Dmitry Baryshkov , dri-devel@lists.freedesktop.org, Maxime Ripard X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1428; i=mripard@kernel.org; h=from:subject:message-id; bh=/afDpHihztm7KGDTzkXf/gbzO1SwA3BqXqC3UAJudgQ=; b=owGbwMvMwCmsHn9OcpHtvjLG02pJDFlSb81+L7vIzBLL32Fvce3GA9bIjk0iTCnPpp5eK8Afz 6G4wl+0YyoLgzAng6yYIssTmbDTy9sXVznYr/wBM4eVCWQIAxenAEyE5TxjwwlDtYOikwoSvx/c aN4UNHHWn13+YQf/T5wodEhPO6JpV4vKDp2svvvPnxxxjfx6ZhbTTcZ6h43aX5RbWOXW6HtY6Gm VLZq5dW1uz7XNVp4v1pvtZ/+3//4RNzvXgl12m240Ri3kunAAAA== X-Developer-Key: i=mripard@kernel.org; a=openpgp; fpr=BE5675C37E818C8B5764241C254BCFC56BF6CE8D X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" __drm_atomic_helper_bridge_state_init() is always called on a freshly kzalloc-ed state, so the memset is redundant. Drop it and document the expectation that the state is already zeroed. Signed-off-by: Maxime Ripard --- drivers/gpu/drm/drm_atomic_state_helper.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/drm_atomic_state_helper.c b/drivers/gpu/drm/drm_atomic_state_helper.c index 8f04eae7a754..f0688f2d83fe 100644 --- a/drivers/gpu/drm/drm_atomic_state_helper.c +++ b/drivers/gpu/drm/drm_atomic_state_helper.c @@ -889,18 +889,19 @@ EXPORT_SYMBOL(drm_atomic_helper_bridge_destroy_state); * __drm_atomic_helper_bridge_state_init() - Initialize a bridge state to its * default * @state: bridge state to initialize * @bridge: the bridge this state refers to * + * @state is assumed to be zeroed. + * * Initializes the bridge state to default values. This is meant to be called * by the bridge &drm_bridge_funcs.atomic_reset hook for bridges that subclass * the bridge state. */ void __drm_atomic_helper_bridge_state_init(struct drm_bridge_state *state, struct drm_bridge *bridge) { - memset(state, 0, sizeof(*state)); __drm_atomic_helper_private_obj_create_state(&bridge->base, &state->base); state->bridge = bridge; } EXPORT_SYMBOL(__drm_atomic_helper_bridge_state_init); -- 2.54.0