From patchwork Thu Sep 14 15:06:47 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicolas Dufresne X-Patchwork-Id: 13385593 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BB9B3EEAA4E for ; Thu, 14 Sep 2023 15:07:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236000AbjINPHm (ORCPT ); Thu, 14 Sep 2023 11:07:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51296 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240687AbjINPHl (ORCPT ); Thu, 14 Sep 2023 11:07:41 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A5225A8; Thu, 14 Sep 2023 08:07:37 -0700 (PDT) Received: from whitebuilder.lan (unknown [IPv6:2606:6d00:15:bae9::c73]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: nicolas) by madras.collabora.co.uk (Postfix) with ESMTPSA id D31A86607346; Thu, 14 Sep 2023 16:07:35 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1694704056; bh=fY/r2diqs96P/mQNHqPsnegumIKHR6/vp+KeaEc/UlQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ak5YGKItlPbrHeTfF9OJXFwSYn4rVT4A0E92UyKlbUsmPG+Nrd8m9ADYb4SK0LNoa RMU5QHZEX4td+ryGnWep6IloB3MJ0pOp9ARP1W5ObVKyvRQCwFZi0k52V4ZX7bclz7 k6MC9CUnmslgqaitY6nAWTadO8jsJ+EnvZYrLtqIfvCyoQ+8ICKehdlQH/UfYkdC6r eMPLJ1NO7cOzvnjCqQxXP4ZSbFFOO1NqhbPDh/1UyzAt2XMGVkMc6incSfQ4QsRO7s Coy34QNbpzKv5UrygzoVLP/WWVnED8OQXfrkb/gSpx4LLzRLo+fVGlD0HYH2yQ3JP5 HBbxbm2nnD1YQ== From: Nicolas Dufresne To: Mauro Carvalho Chehab Cc: kernel@collabora.com, Nicolas Dufresne , linux-media@vger.kernel.org, Andrzej Pietrasiewicz , linux-kernel@vger.kernel.org Subject: [PATCH v2 1/5] docs: uapi: media: Properly locate NV12MT diagram Date: Thu, 14 Sep 2023 11:06:47 -0400 Message-Id: <20230914150651.3114134-2-nicolas.dufresne@collabora.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230914150651.3114134-1-nicolas.dufresne@collabora.com> References: <20230914150651.3114134-1-nicolas.dufresne@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org The diagram have been pushed back at the end of a list of unrelated pixels formats. Move it back next its related pixel format. Signed-off-by: Nicolas Dufresne Reviewed-by: Andrzej Pietrasiewicz --- .../media/v4l/pixfmt-yuv-planar.rst | 32 +++++++++---------- 1 file changed, 16 insertions(+), 16 deletions(-) diff --git a/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst b/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst index 1840224faa412..fb826923ff1d6 100644 --- a/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst +++ b/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst @@ -322,6 +322,22 @@ If the vertical resolution is an odd number of tiles, the last row of tiles is stored in linear order. The layouts of the luma and chroma planes are identical. +.. _nv12mt: + +.. kernel-figure:: nv12mt.svg + :alt: nv12mt.svg + :align: center + + V4L2_PIX_FMT_NV12MT macroblock Z shape memory layout + +.. _nv12mt_ex: + +.. kernel-figure:: nv12mt_example.svg + :alt: nv12mt_example.svg + :align: center + + Example V4L2_PIX_FMT_NV12MT memory layout of tiles + ``V4L2_PIX_FMT_NV12_4L4`` stores pixels in 4x4 tiles, and stores tiles linearly in memory. The line stride and image height must be aligned to a multiple of 4. The layouts of the luma and chroma planes are @@ -369,22 +385,6 @@ image height must be aligned to a multiple of 32. The number of luma and chroma tiles are identical, even though the tile size differ. The image is formed of two non-contiguous planes. -.. _nv12mt: - -.. kernel-figure:: nv12mt.svg - :alt: nv12mt.svg - :align: center - - V4L2_PIX_FMT_NV12MT macroblock Z shape memory layout - -.. _nv12mt_ex: - -.. kernel-figure:: nv12mt_example.svg - :alt: nv12mt_example.svg - :align: center - - Example V4L2_PIX_FMT_NV12MT memory layout of tiles - .. _V4L2-PIX-FMT-NV15-4L4: Tiled NV15