{"id":19542,"url":"https://patchwork.libcamera.org/api/patches/19542/?format=json","web_url":"https://patchwork.libcamera.org/patch/19542/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20240226132544.82817-1-jacopo.mondi@ideasonboard.com>","date":"2024-02-26T13:25:43","name":"drm/fourcc: Add RGB161616 and BGR161616 formats","commit_ref":null,"pull_url":null,"state":"not-applicable","archived":false,"hash":"c60e283410d8c8d52401aeaa450da55cc111ec55","submitter":{"id":143,"url":"https://patchwork.libcamera.org/api/people/143/?format=json","name":"Jacopo Mondi","email":"jacopo.mondi@ideasonboard.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/19542/mbox/","series":[{"id":4182,"url":"https://patchwork.libcamera.org/api/series/4182/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=4182","date":"2024-02-26T13:25:43","name":"drm/fourcc: Add RGB161616 and BGR161616 formats","version":1,"mbox":"https://patchwork.libcamera.org/series/4182/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/19542/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/19542/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 9CCB3BD160\n\tfor ;\n\tMon, 26 Feb 2024 13:26:05 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id D981462871;\n\tMon, 26 Feb 2024 14:26:04 +0100 (CET)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 064946285F\n\tfor ;\n\tMon, 26 Feb 2024 14:26:03 +0100 (CET)","from localhost.localdomain (93-61-96-190.ip145.fastwebnet.it\n\t[93.61.96.190])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id DCA26673;\n\tMon, 26 Feb 2024 14:25:50 +0100 (CET)"],"Authentication-Results":"lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"UqhwGIHr\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1708953951;\n\tbh=9Q69wk8UZ/mvNJ+uyeRWaMFSdgN0Z8O7q2rXBun5JYM=;\n\th=From:To:Cc:Subject:Date:From;\n\tb=UqhwGIHrXSX8t6SRZu4ULVdIO521wdtD507q7DfGhsAslkvbb/DJVvQmKaomywn/M\n\tYwogIoY8jV8ALilLVrJilhgXG0TsB4PyVRXXyKr4gcN4nN4OnkBd6Lk5MVV9ouZy77\n\tG1yYV0Jdak1L93lNj/vXGLdXURDLORXOzlk09DfA=","From":"Jacopo Mondi ","To":"David Airlie , Daniel Vetter ,\n\tMaarten Lankhorst ,\n\tMaxime Ripard ,\n\tThomas Zimmermann ,\n\tNaushir Patuck ","Subject":"[PATCH] drm/fourcc: Add RGB161616 and BGR161616 formats","Date":"Mon, 26 Feb 2024 14:25:43 +0100","Message-ID":"<20240226132544.82817-1-jacopo.mondi@ideasonboard.com>","X-Mailer":"git-send-email 2.43.0","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Cc":"Jacopo Mondi ,\n\tlibcamera-devel@lists.libcamera.org, dri-devel@lists.freedesktop.org","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"Add FourCC definitions for the 48-bit RGB/BGR formats to the\nDRM/KMS uapi.\n\nThe format will be used by the Raspberry Pi PiSP Back End,\nsupported by a V4L2 driver in kernel space and by libcamera in\nuserspace, which uses the DRM FourCC identifiers.\n\nSigned-off-by: Jacopo Mondi \n---\n drivers/gpu/drm/drm_fourcc.c | 8 ++++++++\n include/uapi/drm/drm_fourcc.h | 4 ++++\n 2 files changed, 12 insertions(+)\n\n--\n2.43.0","diff":"diff --git a/drivers/gpu/drm/drm_fourcc.c b/drivers/gpu/drm/drm_fourcc.c\nindex 193cf8ed7912..908f20b96fd5 100644\n--- a/drivers/gpu/drm/drm_fourcc.c\n+++ b/drivers/gpu/drm/drm_fourcc.c\n@@ -210,6 +210,14 @@ const struct drm_format_info *__drm_format_info(u32 format)\n \t\t{ .format = DRM_FORMAT_ABGR2101010,\t.depth = 30, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },\n \t\t{ .format = DRM_FORMAT_RGBA1010102,\t.depth = 30, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },\n \t\t{ .format = DRM_FORMAT_BGRA1010102,\t.depth = 30, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },\n+\t\t{ .format = DRM_FORMAT_RGB161616,\t.depth = 0,\n+\t\t .num_planes = 1, .char_per_block = { 6, 0, 0 },\n+\t\t .block_w = { 1, 0, 0 }, .block_h = { 1, 0, 0 },\n+\t\t .hsub = 1, .vsub = 1, .has_alpha = false },\n+\t\t{ .format = DRM_FORMAT_BGR161616,\t.depth = 0,\n+\t\t .num_planes = 1, .char_per_block = { 6, 0, 0 },\n+\t\t .block_w = { 1, 0, 0 }, .block_h = { 1, 0, 0 },\n+\t\t .hsub = 1, .vsub = 1, .has_alpha = false },\n \t\t{ .format = DRM_FORMAT_ARGB8888,\t.depth = 32, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },\n \t\t{ .format = DRM_FORMAT_ABGR8888,\t.depth = 32, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },\n \t\t{ .format = DRM_FORMAT_RGBA8888,\t.depth = 32, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },\ndiff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h\nindex 84d502e42961..00db00083175 100644\n--- a/include/uapi/drm/drm_fourcc.h\n+++ b/include/uapi/drm/drm_fourcc.h\n@@ -210,6 +210,10 @@ extern \"C\" {\n #define DRM_FORMAT_RGBA1010102\tfourcc_code('R', 'A', '3', '0') /* [31:0] R:G:B:A 10:10:10:2 little endian */\n #define DRM_FORMAT_BGRA1010102\tfourcc_code('B', 'A', '3', '0') /* [31:0] B:G:R:A 10:10:10:2 little endian */\n\n+/* 48 bpp RGB */\n+#define DRM_FORMAT_RGB161616 fourcc_code('R', 'G', '4', '8') /* [47:0] R:G:B 16:16:16 little endian */\n+#define DRM_FORMAT_BGR161616 fourcc_code('B', 'G', '4', '8') /* [47:0] B:G:R 16:16:16 little endian */\n+\n /* 64 bpp RGB */\n #define DRM_FORMAT_XRGB16161616\tfourcc_code('X', 'R', '4', '8') /* [63:0] x:R:G:B 16:16:16:16 little endian */\n #define DRM_FORMAT_XBGR16161616\tfourcc_code('X', 'B', '4', '8') /* [63:0] x:B:G:R 16:16:16:16 little endian */\n","prefixes":[]}