From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 2C54D4FE2E1 for ; Fri, 18 Sep 2026 14:18:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789741128; cv=none; b=swpzduTsVeZsTc3cSE1xZgf/z2xl3jJZgnJsdStpiENzbe+tdKAp/IR45xXao5FU7jvQDs7lUd0k24eH/sQBazUz7hDFhi3iXDHR70z5q0ot1NIWjy1EzfxvlsWESpi3Sn3VRisdN5j6jULEgTa68j4RP0bRSCfpm9YswqPAMMk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789741128; c=relaxed/simple; bh=T0/yZbif8qvMhUYbKQ5OZSohlQVc+4QmXLfUx6lhP6s=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=QBluJnhfwB2YrStpWWesBTKq6hr6VbTFTYUX4tPskE5VqEac7uxkvghBbkeqDYx81f7ZL8nCGPktX+rYRSnAGeAQYxay7SWB9YjcuzrYmiheM6TM46n7EN3pSh/9Lirf4fncLgrSADH2C7pibUUVUE1U0fZaErydWmYb5r2j58Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=kg03Xg9/; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="kg03Xg9/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8BD931F00898; Fri, 18 Sep 2026 14:18:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789741127; bh=WrDnBXEUES0WR7P2lhOYTykVEKJTOaUBbf8pmdHPY8w=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=kg03Xg9/UH09L0FZmK58QNBMKkuOUJYfHkkLDCTA4OVxT5Vmnyz/a+rHtVWzZ7B1q 1xsmCbtbFlJzXI/dMKI9xq1YlLsHnJFnDv+PrmqkmFaWbaQmBxmEQWCIepMgvBcU9J gw9bU6ys0aM2AX0vzvJgpBJJwUo7O5XJGW/rgo73GMR+DmGkCJeBcYQiWaJEohxytZ GcRjH67IT0Q1KjEW/JJSyIoi23V1OIR3BEYQ1cRlvZ6Nsdaab1mdcuAUcaR9/kHcSL tn3JdcIARLUcLA26pQ05bvrGrOxCc0vjVJTA/E1NTbFjFM/iguhmoKhfgEHeQvpB7f LRMFYY0D5tQkw== From: Maxime Ripard Date: Fri, 18 Sep 2026 16:18:01 +0200 Subject: [PATCH v4 12/13] drm/vkms: Switch container_of helpers to container_of_const 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: 7bit Message-Id: <20260918-drm-reset-state-flag-v4-12-5ad106370f05@kernel.org> References: <20260918-drm-reset-state-flag-v4-0-5ad106370f05@kernel.org> In-Reply-To: <20260918-drm-reset-state-flag-v4-0-5ad106370f05@kernel.org> To: Maarten Lankhorst , Thomas Zimmermann , David Airlie , Simona Vetter , Louis Chauvet , Haneen Mohammed , Melissa Wen Cc: Daniel Stone , Harry Wentland , Jocelyn Falempe , =?utf-8?q?Jonas_=C3=85dahl?= , =?utf-8?q?Michel_D=C3=A4nzer?= , Pekka Paalanen , Sebastian Wick , Simon Ser , Victoria Brekenfeld , Xaver Hugl , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Maxime Ripard X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1657; i=mripard@kernel.org; h=from:subject:message-id; bh=T0/yZbif8qvMhUYbKQ5OZSohlQVc+4QmXLfUx6lhP6s=; b=owGbwMvMwCmsHn9OcpHtvjLG02pJDFlrPUREFCSXLm76OPOa5hdNsTWLLVYE13YrheR1fb0/1 ajBkO1Zx1QWBmFOBlkxRZYnMmGnl7cvrnKwX/kDZg4rE8gQBi5OAZhIUzxjQ/eMvRdit14Vvvun k+fIwt7GltOnmvl85ywq6e7P+H1s71+JFyZn2ERPvZu2JjX9yAWjJMY6y6NyX05eWu3yoO3d/yh dMZZqzr9aASZlf0ItzvevXRcXWMf1OHjCH9u1//dNNVvF/aYaAA== X-Developer-Key: i=mripard@kernel.org; a=openpgp; fpr=BE5675C37E818C8B5764241C254BCFC56BF6CE8D The vkms container_of helpers use container_of() which discards the const qualifier from the input pointer. This prevents passing a const state pointer to to_vkms_plane_state() without a cast, for instance in atomic_get_property which receives a const drm_plane_state. Switch all four helpers to container_of_const() so the const qualifier is properly propagated to the result type. Signed-off-by: Maxime Ripard --- drivers/gpu/drm/vkms/vkms_drv.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/vkms/vkms_drv.h b/drivers/gpu/drm/vkms/vkms_drv.h index 381483aa4fb0..dea6cad3f1b9 100644 --- a/drivers/gpu/drm/vkms/vkms_drv.h +++ b/drivers/gpu/drm/vkms/vkms_drv.h @@ -248,20 +248,20 @@ struct vkms_device { /* * The following helpers are used to convert a member of a struct into its parent. */ #define drm_crtc_to_vkms_output(target) \ - container_of(target, struct vkms_output, crtc) + container_of_const(target, struct vkms_output, crtc) #define drm_device_to_vkms_device(target) \ - container_of(target, struct vkms_device, drm) + container_of_const(target, struct vkms_device, drm) #define to_vkms_crtc_state(target)\ - container_of(target, struct vkms_crtc_state, base) + container_of_const(target, struct vkms_crtc_state, base) #define to_vkms_plane_state(target)\ - container_of(target, struct vkms_plane_state, base.base) + container_of_const(target, struct vkms_plane_state, base.base) /** * vkms_create() - Create a device from a configuration * @config: Config used to configure the new device * -- 2.55.0