From nobody Wed Apr 8 04:24:14 2026 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 AE46C3BBA0D; Tue, 10 Mar 2026 16:07:35 +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=1773158855; cv=none; b=DXo+s6wnGxOnMwlUEGifxG35f/UCUN/NwjzgiLo5y2Caw/T7IGQ/XkX2ZLQ6Gs10VEhDspakIY2pxZd9kVCYmvV5f1kRRpDxowrUZJBcRQpeZHfmSlneCx88bPwYshjiRX78TZkEHjoGx5psgJ/UKEbLtkmGTb/9xeQciHaES6E= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773158855; c=relaxed/simple; bh=ZCmJ88Jg/R0ZaGWt4Lbnf1PZ95HMiD+1w0SbJAg/htU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=B5hrHJUd/HfUjQQ3Ot4Gt/Xd4ZxIud/RvLcSCc7uHYsq9EQ81ikLSelCqNHfiY71Bpkw7vzigfZG03Xf8eBtuzQg8vLkix1UR2yDHe8cCB0I03fjNZu3INBWYk9P+8uJyjRD3gvP7k/Mtn8XHTHWp5c4wWzmcSPNtVt4XBsjziA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=bw+d62D+; 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="bw+d62D+" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3D5D2C19425; Tue, 10 Mar 2026 16:07:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773158855; bh=ZCmJ88Jg/R0ZaGWt4Lbnf1PZ95HMiD+1w0SbJAg/htU=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=bw+d62D+2HAfYfotFT6pc35QvkZrS8flNObZOziMsggFtGfJbJnB2pfiMwiMAz+8+ r3E20RdKJcwhBUFxLQFlbpf6uQfJefqiC3wnPVF+ozMqc3Xz24yiglkfk8A2/A0j00 pCz0LzxoHaCnDb5Fyh2yluwsVOevkBhv6AlF9tvJsU7cjuFvZjHZgZp50sjYkpjaPy tEFyO2VsaHwdTMe2jGTpmu77LazbVtVyPEeGdIXvq5a9gtIvd4hYVRU754kiem9v3m KNdahupPURYGu709tA5kxe0hZnNVsR8LUPobsKZz/KWdw4G61VXWtl7JYQwchyvH5a R/TeGn5EssIYQ== From: Maxime Ripard Date: Tue, 10 Mar 2026 17:07:01 +0100 Subject: [PATCH 09/14] drm/drv: Call drm_mode_config_create_state() by default 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: <20260310-drm-mode-config-init-v1-9-de7397c8e1cf@kernel.org> References: <20260310-drm-mode-config-init-v1-0-de7397c8e1cf@kernel.org> In-Reply-To: <20260310-drm-mode-config-init-v1-0-de7397c8e1cf@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 Cc: dri-devel@lists.freedesktop.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, 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=owGbwMvMwCmsHn9OcpHtvjLG02pJDJkbHJf36mdZLL85p/vFqdry3oYvaR9CN05a3Dq/zeNy7 JZnLDlsHVNZGIQ5GWTFFFmeyISdXt6+uMrBfuUPmDmsTCBDGLg4BWAiW3YyNhyWOHdoznL3PbG5 4QxHrNN9uiSPpa18E/J56ueunDpmocWWAUwCM5ijrvEb3+C7+s67k7HhL48upybDoeDUXn33wsY Vq6Xf8+9W4U2NudoTzcQh7Xj7tY2J8aatp3v4+75U8vB6vgIA X-Developer-Key: i=mripard@kernel.org; a=openpgp; fpr=BE5675C37E818C8B5764241C254BCFC56BF6CE8D 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..820106d56ab399a39cac56d9866= 2b5ddbcae8ded 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, unsign= ed long flags) =20 if (drm_core_check_feature(dev, DRIVER_MODESET)) { ret =3D drm_modeset_register_all(dev); if (ret) goto err_unload; + + ret =3D drm_mode_config_create_state(dev); + if (ret) + goto err_unload; } drm_panic_register(dev); drm_client_sysrq_register(dev); =20 DRM_INFO("Initialized %s %d.%d.%d for %s on minor %d\n", --=20 2.53.0