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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 27D9B10987A8 for ; Fri, 20 Mar 2026 16:28:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ALwFXkWrV/tgTELhXKE1VhuSCHXn8zcxtS4gTy3PyYQ=; b=EAPrz+XoNXpgH6NeRHDRLP9Nk+ hP8s8eBkbopxq5j66W5T6KUF9zQL2TUCig6ZaOu7ybemkAV9jtLBbfaeEecDT2qijayFYLBEebcpd ea0cVq8mM1Mm8RqELaRYYPbcLDZddLX+zVj2nUsdcdcAO5HzkXMzAtC5dydsSQBeJDwhpxmd6AqBt ULIfZQcy0HB6QcPzOvz5rculnqjKiwUNUxWg0CoRptHKVaHLEBVtTDWRN1cW3G/tqW+08nQGaWrA1 tcHX1YpwRvBk5FwmtrwJ5MgP2sWtDmyZZ9qaIvhNhoP0cC2XejqdWiZlf1M2qGroJnY9S0f+ayn7G u2vHcWnA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w3chu-0000000D8FY-2KMV; Fri, 20 Mar 2026 16:28:18 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1w3chm-0000000D86c-3O0d for linux-arm-kernel@lists.infradead.org; Fri, 20 Mar 2026 16:28:12 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 3605A6013A; Fri, 20 Mar 2026 16:28:10 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 62B22C19425; Fri, 20 Mar 2026 16:28:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774024089; bh=ZCmJ88Jg/R0ZaGWt4Lbnf1PZ95HMiD+1w0SbJAg/htU=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=AEu2trzBAfFOayFDVBex14Mc8zD+myHx+T4ECnRRrYG2srDpJsR3HgxD0ay5aiYau QtKqmA38LUerV5Ljvh790yFln9K2gtX6qvklHS9uShPojQl3XVVp0fj4FHyEvTwgIC JAZqPfScgaVElYSgyF0zniZ6oLUqlPi/g+ulSnaPxRNRQdzxgpk+JlqEk3vxqmMWKa Il7n133119QKa31CztyQhVRSNzrDtLvfFcJs3nBfIniWlCczGwq6T/I1Co0KbCwGc8 bcUimQt3sDceJaVyKCLHvnI77PHgAqw9hgxIvSQDrC92UCoG6FbP0e8h2QeDwvsARp S6tAPtS0XrGmg== From: Maxime Ripard Date: Fri, 20 Mar 2026 17:27:22 +0100 Subject: [PATCH v2 15/20] drm/drv: Call drm_mode_config_create_state() by default MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260320-drm-mode-config-init-v2-15-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 , Thomas Zimmermann , David Airlie , Simona Vetter , Jonathan Corbet , Shuah Khan , Dmitry Baryshkov , Jyri Sarha , Tomi Valkeinen , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Simon Ser , Harry Wentland , Melissa Wen , Sebastian Wick , Alex Hung , Jani Nikula , Rodrigo Vivi , Joonas Lahtinen , Tvrtko Ursulin , Chen-Yu Tsai , Samuel Holland , Dave Stevenson , =?utf-8?q?Ma=C3=ADra_Canal?= , Raspberry Pi Kernel Maintenance Cc: dri-devel@lists.freedesktop.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Daniel Stone , intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, Maxime Ripard X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1218; i=mripard@kernel.org; h=from:subject:message-id; bh=ZCmJ88Jg/R0ZaGWt4Lbnf1PZ95HMiD+1w0SbJAg/htU=; b=owGbwMvMwCmsHn9OcpHtvjLG02pJDJl7S7O0lcoEDoa4f72ltD6opGbHReGMScbTkmPWtCcI7 W1uOz69YyoLgzAng6yYIssTmbDTy9sXVznYr/wBM4eVCWQIAxenAEwkw5WxPn43y5KuGsfzoef2 BE3JYV513+Xrln0XPbNE1QXkan1E9tbLsanmbze+YFaqVhe689Jkxvq0I9cUH2rP/i96mlmjZ4X ZZ+0Xm1dKHq/T4yt69W1GqLTws+cberlM2N4djtNNDOda/QEA X-Developer-Key: i=mripard@kernel.org; a=openpgp; fpr=BE5675C37E818C8B5764241C254BCFC56BF6CE8D X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Almost all drivers, and our documented skeleton, call drm_mode_config_reset() prior to calling drm_dev_register() to initialize its DRM object states. Now that we have drm_mode_config_create_state() to create that initial state if it doesn't exist, we can call it directly in drm_dev_register(). That way, we know that the initial atomic state will always be allocated without any boilerplate. Signed-off-by: Maxime Ripard --- drivers/gpu/drm/drm_drv.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index 2915118436ce8a6640cfb0c59936031990727ed1..820106d56ab399a39cac56d98662b5ddbcae8ded 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -1097,10 +1097,14 @@ int drm_dev_register(struct drm_device *dev, unsigned long flags) if (drm_core_check_feature(dev, DRIVER_MODESET)) { ret = drm_modeset_register_all(dev); if (ret) goto err_unload; + + ret = drm_mode_config_create_state(dev); + if (ret) + goto err_unload; } drm_panic_register(dev); drm_client_sysrq_register(dev); DRM_INFO("Initialized %s %d.%d.%d for %s on minor %d\n", -- 2.53.0