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Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-api@vger.kernel.org, Jonah Walker Subject: [PATCH] drm/fourcc: Add P212, P410 and P412 formats Date: Thu, 2 Jul 2026 21:23:55 +0000 Message-ID: <20260702212355.1072804-1-jonahw@nvidia.com> X-Mailer: git-send-email 2.43.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: SJ0PR03CA0292.namprd03.prod.outlook.com (2603:10b6:a03:39e::27) To CH2PR12MB4168.namprd12.prod.outlook.com (2603:10b6:610:a8::7) Precedence: bulk X-Mailing-List: linux-api@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH2PR12MB4168:EE_|IA1PR12MB6257:EE_ X-MS-Office365-Filtering-Correlation-Id: d06a900c-2083-47a3-b6cc-08ded88071fe X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: 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Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: fmX9ckR7d2GUCz43U8nq+zWjRfTCvRGqckPzs0xUGySR4oEEaNiTiv63HjZ4PJHYXc0cltTxXwvt7WnGayTigw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR12MB6257 Add P212, P410 and P412 formats, including their FourCC codes and drm_format_info entries. - P212 is a two-plane, 12-bit, 4:2:2 YCbCr format - P410 is a two-plane, 10-bit, 4:4:4 YCbCr format - P412 is a two-plane, 12-bit, 4:4:4 YCbCr format Assisted-by: Cursor:GPT-5.5 Signed-off-by: Jonah Walker --- drivers/gpu/drm/drm_fourcc.c | 12 ++++++++++++ include/uapi/drm/drm_fourcc.h | 21 +++++++++++++++++++++ 2 files changed, 33 insertions(+) diff --git a/drivers/gpu/drm/drm_fourcc.c b/drivers/gpu/drm/drm_fourcc.c index 60cd02b7e..31558a212 100644 --- a/drivers/gpu/drm/drm_fourcc.c +++ b/drivers/gpu/drm/drm_fourcc.c @@ -324,6 +324,18 @@ const struct drm_format_info *__drm_format_info(u32 format) .num_planes = 2, .char_per_block = { 2, 4, 0 }, .block_w = { 1, 1, 0 }, .block_h = { 1, 1, 0 }, .hsub = 2, .vsub = 1, .is_yuv = true }, + { .format = DRM_FORMAT_P212, .depth = 0, + .num_planes = 2, .char_per_block = { 2, 4, 0 }, + .block_w = { 1, 1, 0 }, .block_h = { 1, 1, 0 }, .hsub = 2, + .vsub = 1, .is_yuv = true }, + { .format = DRM_FORMAT_P410, .depth = 0, + .num_planes = 2, .char_per_block = { 2, 4, 0 }, + .block_w = { 1, 1, 0 }, .block_h = { 1, 1, 0 }, .hsub = 1, + .vsub = 1, .is_yuv = true }, + { .format = DRM_FORMAT_P412, .depth = 0, + .num_planes = 2, .char_per_block = { 2, 4, 0 }, + .block_w = { 1, 1, 0 }, .block_h = { 1, 1, 0 }, .hsub = 1, + .vsub = 1, .is_yuv = true }, { .format = DRM_FORMAT_VUY101010, .depth = 0, .num_planes = 1, .cpp = { 0, 0, 0 }, .hsub = 1, .vsub = 1, .is_yuv = true }, diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h index 3a4d4dc63..d4a6463d2 100644 --- a/include/uapi/drm/drm_fourcc.h +++ b/include/uapi/drm/drm_fourcc.h @@ -334,6 +334,27 @@ extern "C" { */ #define DRM_FORMAT_P210 fourcc_code('P', '2', '1', '0') /* 2x1 subsampled Cr:Cb plane, 10 bit per channel */ +/* + * 2 plane YCbCr MSB aligned + * index 0 = Y plane, [15:0] Y:x [12:4] little endian + * index 1 = Cr:Cb plane, [31:0] Cr:x:Cb:x [12:4:12:4] little endian + */ +#define DRM_FORMAT_P212 fourcc_code('P', '2', '1', '2') /* 2x1 subsampled Cr:Cb plane 12 bits per channel */ + +/* + * 2 plane YCbCr MSB aligned + * index 0 = Y plane, [15:0] Y:x [10:6] little endian + * index 1 = Cr:Cb plane, [31:0] Cr:x:Cb:x [10:6:10:6] little endian + */ +#define DRM_FORMAT_P410 fourcc_code('P', '4', '1', '0') /* non-subsampled Cr:Cb plane 10 bits per channel */ + +/* + * 2 plane YCbCr MSB aligned + * index 0 = Y plane, [15:0] Y:x [12:4] little endian + * index 1 = Cr:Cb plane, [31:0] Cr:x:Cb:x [12:4:12:4] little endian + */ +#define DRM_FORMAT_P412 fourcc_code('P', '4', '1', '2') /* non-subsampled Cr:Cb plane 12 bits per channel */ + /* * 2 plane YCbCr MSB aligned * index 0 = Y plane, [15:0] Y:x [10:6] little endian base-commit: cff96362794a5c1f3adb013b4a46c7233149a629 -- 2.43.0