From patchwork Fri Feb 14 00:19:25 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anusha Srivatsa X-Patchwork-Id: 13974205 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 6C0AEC021A0 for ; Fri, 14 Feb 2025 00:21:44 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DB49B10EBBF; Fri, 14 Feb 2025 00:21:43 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.b="NhPCtwVV"; dkim-atps=neutral Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1B25810EBBF for ; Fri, 14 Feb 2025 00:21:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1739492501; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=YekiFLZYEOC7oNklCnqy2v4cDXBgQn3tW82+Hlneiv0=; b=NhPCtwVVUpsOnBLWgJk4EBx7RkCRj0TQOIsbXF4tMf40pHzfnMCc+ZjWyR7pytDkh4VfWh hBF8ePivRb6zr2XgfLQHFGCbsJanpYCE4s6Ty+VZO4ySdB9iXsAnITBg5j0oCcMpAVRq+s lAqpETpAH7ert+Zk3q3Z7w4lfZtWevg= Received: from mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-611-GREkPZofPRqAGTMWmiWrUg-1; Thu, 13 Feb 2025 19:21:37 -0500 X-MC-Unique: GREkPZofPRqAGTMWmiWrUg-1 X-Mimecast-MFC-AGG-ID: GREkPZofPRqAGTMWmiWrUg Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.12]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id AE9361800879; Fri, 14 Feb 2025 00:21:32 +0000 (UTC) Received: from asrivats-na.rmtustx.csb (unknown [10.2.16.199]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id B66FE19373C4; Fri, 14 Feb 2025 00:21:23 +0000 (UTC) From: Anusha Srivatsa Date: Thu, 13 Feb 2025 19:19:25 -0500 Subject: [PATCH 12/12] Documentation: Update the todo MIME-Version: 1.0 Message-Id: <20250213-mem-cocci-v3-v1-12-93466d165349@redhat.com> References: <20250213-mem-cocci-v3-v1-0-93466d165349@redhat.com> In-Reply-To: <20250213-mem-cocci-v3-v1-0-93466d165349@redhat.com> To: Joel Stanley , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Andrew Jeffery , Stefan Agner , Alison Wang , Xinliang Liu , Tian Tao , Xinwei Kong , Sumit Semwal , Yongqin Liu , John Stultz , Chun-Kuang Hu , Philipp Zabel , Matthias Brugger , AngeloGioacchino Del Regno , Marek Vasut , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Orson Zhai , Baolin Wang , Chunyan Zhang , Alain Volmat , Raphael Gallais-Pou , Yannick Fertre , Raphael Gallais-Pou , Philippe Cornu , Maxime Coquelin , Alexandre Torgue , Thierry Reding , Mikko Perttunen , Jonathan Hunter , Alexey Brodkin , Dave Stevenson , =?utf-8?q?Ma=C3=ADra_Cana?= =?utf-8?q?l?= , Raspberry Pi Kernel Maintenance , Jonathan Corbet Cc: linux-aspeed@lists.ozlabs.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, imx@lists.linux.dev, linux-stm32@st-md-mailman.stormreply.com, linux-tegra@vger.kernel.org, linux-doc@vger.kernel.org, Anusha Srivatsa X-Developer-Signature: v=1; a=ed25519-sha256; t=1739492356; l=1573; i=asrivats@redhat.com; s=20250122; h=from:subject:message-id; bh=bYxgFN867I+WeRXfo+Hqrkj7dpTr9KOQQ6gXwIiRKW0=; b=cHX+5YoNVZJTRemhs4SucNAn3ucLSNF85bfH//R9r2aykA56GpMQQQSLXVA7X7foeQRwKWecs +OKDBIRplsKChc5XegZo+yGbuHDto2wbs/C+rOhVmPq3dgGic16khxR X-Developer-Key: i=asrivats@redhat.com; a=ed25519; pk=brnIHkBsUZEhyW6Zyn0U92AeIZ1psws/q8VFbIkf1AU= X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 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" Update the Documentation to be more precise. v2: Update for clarity v3: Further details in Todo Cc: Thomas Zimmermann Signed-off-by: Anusha Srivatsa --- Documentation/gpu/todo.rst | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/Documentation/gpu/todo.rst b/Documentation/gpu/todo.rst index 256d0d1cb2164bd94f9b610a751b907834d96a21..c57777a24e03d91b1ffe04365f7356f2d938befd 100644 --- a/Documentation/gpu/todo.rst +++ b/Documentation/gpu/todo.rst @@ -441,14 +441,15 @@ Contact: Thomas Zimmermann Level: Intermediate -Request memory regions in all drivers -------------------------------------- +Request memory regions in all fbdev drivers +-------------------------------------------- -Go through all drivers and add code to request the memory regions that the -driver uses. This requires adding calls to request_mem_region(), +Old/ancient fbdev drivers do not request their memory properly. +Go through these drivers and add code to request the memory regions +that the driver uses. This requires adding calls to request_mem_region(), pci_request_region() or similar functions. Use helpers for managed cleanup -where possible. - +where possible. Problematic areas include hardware that has exclusive ranges +like VGA. VGA16fb does not request the range as it is expected. Drivers are pretty bad at doing this and there used to be conflicts among DRM and fbdev drivers. Still, it's the correct thing to do.