From nobody Wed Oct 8 17:34:32 2025 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (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 AEDEF29E0E7 for ; Wed, 25 Jun 2025 17:37:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750873045; cv=none; b=qs+YMj0BgjL9EmbXS1CRNia9hP6wjzpVHazrfY62X4rPxUpKN7Mp+bi3vqtEMPn5x2ftoykjECgyZaLhTwMVqqqodC39p8uKDpmmvqdD+fzYNwac4dVpY6G7PzfseJF5PO7Pw4VjY5tFJbQe2inYP/rKfWKiUcoBes+q6xr6YFg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750873045; c=relaxed/simple; bh=7CoLpKlmz/QGjr31AKeTMJknZT5fUDMYKkXULdIt2Ac=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ZXb86F7Bb21t/rnwE892XKEeVEmPKgVL010Tovkxu0wxaKCoh2lXDZ7E6+uwNWqRg4swIxlP7VTrd8lHGjK69Lk0DBhOzljPFqYUGqauzXCrigO81L0n4q6hPMfgSUyO0qRih8uwjjcGGW2n4FZXXsC6Pd8LzvEwWdtHBTt5YM8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=VwloIaqY; arc=none smtp.client-ip=205.220.168.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="VwloIaqY" Received: from pps.filterd (m0279866.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 55PABm78029963 for ; Wed, 25 Jun 2025 17:37:22 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:date:from:in-reply-to:message-id :mime-version:references:subject:to; s=qcppdkim1; bh=L3IkuLMHxBT vbI+yz+IctwdTPNqPbXWCWa1wtpGui48=; b=VwloIaqYjPnsCDbew6FnKFsRP2k zWH1+upcU0ueRhEgPIQ/2T9l4y8v06qiu3ncrrPihAaCWKO+GkmprCMQ0ySuD/f1 SIVl8B/5uTq/i1MPyjdcx4LZeQOU/00hw4UUhLh127/+tuyrbjUuQdFyQFHJNK13 KpGeKgKMfRMGxlPzbRtvBptBfq2Z0e4jGrLDqTgX4lQPga0mxfbbPm+k4e1ERYoB u+1SZqHRm465Xarn39lxM/TdlVdvcY24u/GKjMMdGZBbZwB6a6DSj4o831m5xoSN EGya8NUKx4JB69Bzorsde4Z4nHAITx0d2PVhavSqVXttGyNCBf3q2IVX5tw== Received: from mail-pf1-f199.google.com (mail-pf1-f199.google.com [209.85.210.199]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 47ec26b011-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Wed, 25 Jun 2025 17:37:21 +0000 (GMT) Received: by mail-pf1-f199.google.com with SMTP id d2e1a72fcca58-74858256d38so137884b3a.2 for ; Wed, 25 Jun 2025 10:37:21 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1750873041; x=1751477841; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=L3IkuLMHxBTvbI+yz+IctwdTPNqPbXWCWa1wtpGui48=; b=GQy4vcHTYeX1+YTV9W/vzb00lCX3T8WfrgPogON5Qos6YnrUPI6BosXkmUsgx2YsbU rjNd7iexGnszNwDZbE7aAiXZZ4l5pBxzzvCNseKNFTqzRdx4fmi3wd1iSk7y8ovb4bUx dbbJI1iaPgfZuNHY4Mia98XxOJ0lZdfq08pf4IRLkiEkPbgPos+44T53Jw1AZHHZzZpU B0ijg8pOfacqbkJOJrklDlXAXudrZEBzJcCA7fV10nu1S5HsJJ3ptbnjTKv2TIgXg2Rx 7pVDww0ikZF81tHO3/Oege0ROOju0iERom6Y3NAz/WRsrRVd6mXrltLfDFaETTZ8NpLf 1orQ== X-Forwarded-Encrypted: i=1; AJvYcCXwrVBvLJ4gvDbSX9Ua6NrWVLWwmdv7H8YbLYbdK5aA7s4Mx3QyqPPcuH2UubpKmd3LwvZnA2T7p6xAwU0=@vger.kernel.org X-Gm-Message-State: AOJu0Yy0Rs2KEDETESuykvSIwK5n8z0PSlbqH0ua9o2SajSXxIIxms78 hSo+va7gFNlSun+IvGf3yRkgrg/NwJQR2uRXB4CNhHT0I0i8VLUgPlP3GLQNkmHayVABNsFkjM3 JekahzJ1xtzS2ub92urbGiO8uxH89eH1ly3bw1Yn5ksotRTFFmXysqsZuxdQ+pjY5Rl4= X-Gm-Gg: ASbGnctJBGliFKAFoQt9kAPAnoX2AdyvNPwqd7mwThvGnLjh4+gcwsk3bNF/g7TNoPX iGUvK6ZtzbgbXXbUC3d9qAb8xn+Rx1c1UStuclTYIT/ZNgdDDm7mv3b/9lr1Fi/ElQfmDdEyhOX FL+rXfq+nxU6Pxi+k74NIgKlil8hW/nlh61/ohKvui8/SHBajwTxGZhuT3b9/fT77KmBEvzQZNR g14YhfQElvnmx7WRhCQkh7/XNMYNCkS4pO/xAkCtILZR1W9tL5b9fU/GNyqtYCwziUYoXhyli4j zlc4/3Rm1uEq/dLiNie38NytOxt30xRT X-Received: by 2002:a05:6a00:10c6:b0:749:ca1:1d02 with SMTP id d2e1a72fcca58-74ad446b920mr6496026b3a.6.1750873040865; Wed, 25 Jun 2025 10:37:20 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHaPLQjjw1Mco1AYfNaO1hktOiz7kntJ0uT+EkN12nTw8n3p877U5Ag/TwdHyi0A1rBcURknA== X-Received: by 2002:a05:6a00:10c6:b0:749:ca1:1d02 with SMTP id d2e1a72fcca58-74ad446b920mr6495985b3a.6.1750873040378; Wed, 25 Jun 2025 10:37:20 -0700 (PDT) Received: from localhost ([2601:1c0:5000:d5c:5b3e:de60:4fda:e7b1]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-749b5e09e1csm4775934b3a.5.2025.06.25.10.37.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Jun 2025 10:37:20 -0700 (PDT) From: Rob Clark To: dri-devel@lists.freedesktop.org Cc: freedreno@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, Simona Vetter , Daniel Stone , Rob Clark , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , linux-kernel@vger.kernel.org (open list) Subject: [PATCH v2 1/2] drm/fourcc: Add missing half-float formats Date: Wed, 25 Jun 2025 10:37:10 -0700 Message-ID: <20250625173712.116446-2-robin.clark@oss.qualcomm.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250625173712.116446-1-robin.clark@oss.qualcomm.com> References: <20250625173712.116446-1-robin.clark@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNjI1MDEzMSBTYWx0ZWRfX2r4uOMrSRzf8 NweSxrIEZ82pi5XNYqt1LZOIR6ydHqQ7Ur3CTqnUTIqmm97xRaIcytv6OygObVfH9TA249pzDsG yEZRVpa2wwZp35NxeK0YRkHeHy9mguC0BZj6m5fv+j1VNkkLvAKAew/I3dtQUB4gggwRngZdN9x XgSunByhMcHcj6cePKAVVyAqOW3KsXtqind/yHFtQSCoM/341IUbr0fjRGq3MJPV74LRpvlCZs8 /U0OyP+lFrNtV7GMs6LGJb08bCoVX/FGaUNsQQPIi29nHRRN+k3JjvelPvjADkp5katJuXfTeZM ohiXQUS4zIATUTFy74KCrAhVzh59oDfKxn6gf6xTplGU82MFm6q0hcHsTd2ba/1MyYLZYsl6ye1 +zcqA4l/vze3gO6xFkSmS/UfbHoD0xdo7gWYUTF/pGVk9g9d3j1rvF+JEAU8VUTsI6DVSFkW X-Authority-Analysis: v=2.4 cv=XPQwSRhE c=1 sm=1 tr=0 ts=685c33d1 cx=c_pps a=WW5sKcV1LcKqjgzy2JUPuA==:117 a=xqWC_Br6kY4A:10 a=6IFa9wvqVegA:10 a=EUspDBNiAAAA:8 a=QX4gbG5DAAAA:8 a=M_I3Rqd0q2e7SYdxXhEA:9 a=OpyuDcXvxspvyRM73sMx:22 a=AbAUZ8qAyYyZVLSsDulk:22 X-Proofpoint-GUID: Nir_-kFp_GDaCfaO70xQRfMj-iPiaahf X-Proofpoint-ORIG-GUID: Nir_-kFp_GDaCfaO70xQRfMj-iPiaahf X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.7,FMLib:17.12.80.40 definitions=2025-06-25_05,2025-06-25_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 impostorscore=0 clxscore=1015 suspectscore=0 mlxscore=0 spamscore=0 phishscore=0 malwarescore=0 mlxlogscore=999 bulkscore=0 priorityscore=1501 adultscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2506250131 Content-Type: text/plain; charset="utf-8" Not something that is likely to be scanned out, but GPUs usually support half-float formats with 1, 2, or possibly 3 components, and it is useful to be able to import/export them with a valid fourcc, and/or use gbm to create them. These correspond to PIPE_FORMAT_{R16,R16G16,R16G16B16}_FLOAT in mesa. Signed-off-by: Rob Clark Acked-by: Simona Vetter Acked-by: Daniel Stone --- include/uapi/drm/drm_fourcc.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h index e41a3cec6a9e..3560ca1ffb8b 100644 --- a/include/uapi/drm/drm_fourcc.h +++ b/include/uapi/drm/drm_fourcc.h @@ -218,7 +218,7 @@ extern "C" { #define DRM_FORMAT_ABGR16161616 fourcc_code('A', 'B', '4', '8') /* [63:0] = A:B:G:R 16:16:16:16 little endian */ =20 /* - * Floating point 64bpp RGB + * Half-Floating point - 16b/component * IEEE 754-2008 binary16 half-precision float * [15:0] sign:exponent:mantissa 1:5:10 */ @@ -228,6 +228,10 @@ extern "C" { #define DRM_FORMAT_ARGB16161616F fourcc_code('A', 'R', '4', 'H') /* [63:0]= A:R:G:B 16:16:16:16 little endian */ #define DRM_FORMAT_ABGR16161616F fourcc_code('A', 'B', '4', 'H') /* [63:0]= A:B:G:R 16:16:16:16 little endian */ =20 +#define DRM_FORMAT_R16F fourcc_code('R', ' ', ' ', 'H') /* [15:0]= R 16 little endian */ +#define DRM_FORMAT_GR1616F fourcc_code('G', 'R', ' ', 'H') /* [31:0]= G:R 16:16 little endian */ +#define DRM_FORMAT_BGR161616F fourcc_code('B', 'G', 'R', 'H') /* [47:0]= B:G:R 16:16:16 little endian */ + /* * RGBA format with 10-bit components packed in 64-bit per pixel, with 6 b= its * of unused padding per component: --=20 2.49.0 From nobody Wed Oct 8 17:34:32 2025 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (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 94EAD2D29D5 for ; Wed, 25 Jun 2025 17:37:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750873046; cv=none; b=E3ie7hzhZcTF8wHaLFeYZ9nvWbCfuOOFEYbnQynhi7tDbVLaxqfhEU9zEL4LLeRD3GIrOsAdoMgDy3U2Sj0jhySlIhNnAPXA4W2g10IJtw8ZWsl3T2e29PsJ1885M/Dh/jVFSc6eqV0iHld/U4sMWI0oQMrYBXETdYqUAgqoZ4w= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750873046; c=relaxed/simple; bh=8PB8oES3RJFPhWVRT3Tvtjybt+TrM/SifZn/9Eyo4UQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=FgFYyMjPWcboon8kKkbMVkBReiNnzIt1e51JxKkDMao4aZyYwzOc+U2rZUOKPBUbJzR2PQrZnATNsHOL7SfEhaludtR9sNbPJLofP2PlxJZB75cHbk4j5dQKPuXfxapyzlVgt1CYpuxkXd66zn41Oe8XdVsG1U7L18jdu047Duo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=IAt/yoOI; arc=none smtp.client-ip=205.220.180.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="IAt/yoOI" Received: from pps.filterd (m0279871.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 55PDEmm8015564 for ; Wed, 25 Jun 2025 17:37:23 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:date:from:in-reply-to:message-id :mime-version:references:subject:to; s=qcppdkim1; bh=ckmpcZmveJc msZUFuiT/RpgJEDPikgftzrJym6w4+0k=; b=IAt/yoOISlrjfvms2SYcBU3NWDJ ziIUjVKYkVfYJskuW83tRi/WBwd4BOTUvv9B3iO6QASPxxVA/h4fLzucz8umMLzr phZHnwum6YBph0oIbdwS0hNByekX4s3/J34qblAulrwFVjVpRRz/zCIoGN93n5vK v3vjnCvvFNxpMfnxapFG6z6F0cFZa2DmSscDvylOY2S4P1h1fSuuZheEdyLjk5Y+ sIjFT5UUyEkiwKE30QwndOg8gAWIRJexl+eoMd3JMMoyGjDP8PHMuf5cZmd4Y3yM rFO8B1LE1mDjSGg1I/O3gNVfamlXubaUOL9jVkLBOAB+XarvrW1iZ6H0yRA== Received: from mail-pj1-f71.google.com (mail-pj1-f71.google.com [209.85.216.71]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 47fbhqq7g8-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Wed, 25 Jun 2025 17:37:23 +0000 (GMT) Received: by mail-pj1-f71.google.com with SMTP id 98e67ed59e1d1-3141f9ce4e2so88108a91.1 for ; Wed, 25 Jun 2025 10:37:23 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1750873042; x=1751477842; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=ckmpcZmveJcmsZUFuiT/RpgJEDPikgftzrJym6w4+0k=; b=tSilQjiPC0cpoV7G28BO3YfUQU9ThMrXMqqOTTa2bNHom8vCQxjJj+VZyvsC61vvQs ppa6vLQjUarMVCOqhYX7x88C9Ceb63BOieFt6+R5GoiqJevRpNiIbRVsZqApaJfbDmV8 yE7R9Qs+x/Dm8U7ipG6JjXijNNLb0EqXOrF6Q0CuyluGX78T4BlLQiHEnPctHuQICfF5 yXHJNjZe0NDvfyY56Rl9sO4CcxmqyPVxK4I5gJH1EnPmOWhcnOvzRDWsSFimlw3uQ7sZ d8DWeNrFIwEgasNrimuEtPEmPP1uNi9rUWYTl2N/9SY0Xw2FvYpruPoq/ttFASd0sh3c n8Bw== X-Forwarded-Encrypted: i=1; AJvYcCVZHxp52ntMYJw3dlb+Dz/Yba9xdnmKggbqhQi2yLo+49CjGfjOEEfEbds/HH7c3jhqmpqR6ZJONPQSmN0=@vger.kernel.org X-Gm-Message-State: AOJu0YyynviX/9CdoHTMa+7cuCdg8nYzSEFB5mHRa++K87KuucEbTtlF +0FvIv5g4IjLhlOTnqyahJ+BeznlUjjNKxEU4ZmmTIEj+UjbudEYEVL79yrVn/rTnExfv8jjCUf Winx3v5jyVTAY5rYQYLA7U9ynA70Uu7gQOTp/MD9o/QVKbjkN41NeKeF8djGbIZuHesQ= X-Gm-Gg: ASbGncvhZBm2FkJJpIMtuZE5UOAhQsSrQY4hup5468hyJ8rrWRPMFyz3QbKvEpT5pCm ciqDhrRQwjCA4s6rqsCQfOCpzMG9/eBwM9iy1/nADwkj+yOMfAveQsDuoldMOHELkPmXR6XZqus eAe7xX9vf3i/vFZUhIJdFY3e26N0n9wOPUyjYOSSG2098GQAB8q4KzStHsMjlyQRKlOTplWAn3f 9eAJDM3HmANcWpN/SLOBR3HVsMjXymnQy8Ip6sGwGllRr63q0ajFX4RaiQ0Y+JBsdJpgS/pCfpb AGwTI7UpevBStr4hXm5DwSYbNpLZVdlE X-Received: by 2002:a17:90b:3a05:b0:311:f684:d3cd with SMTP id 98e67ed59e1d1-315f2623c5amr6932417a91.12.1750873042098; Wed, 25 Jun 2025 10:37:22 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHisPZ8e1PdIMAqtxONK/SJTKlziax5CcCuFowOdaVXodfUQiW5C7P6F/abrBzQuGI6mBDiIw== X-Received: by 2002:a17:90b:3a05:b0:311:f684:d3cd with SMTP id 98e67ed59e1d1-315f2623c5amr6932377a91.12.1750873041680; Wed, 25 Jun 2025 10:37:21 -0700 (PDT) Received: from localhost ([2601:1c0:5000:d5c:5b3e:de60:4fda:e7b1]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-315f539e862sm2199928a91.16.2025.06.25.10.37.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Jun 2025 10:37:21 -0700 (PDT) From: Rob Clark To: dri-devel@lists.freedesktop.org Cc: freedreno@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, Simona Vetter , Daniel Stone , Rob Clark , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , linux-kernel@vger.kernel.org (open list) Subject: [PATCH v2 2/2] drm/fourcc: Add 32b float formats Date: Wed, 25 Jun 2025 10:37:11 -0700 Message-ID: <20250625173712.116446-3-robin.clark@oss.qualcomm.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250625173712.116446-1-robin.clark@oss.qualcomm.com> References: <20250625173712.116446-1-robin.clark@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-ORIG-GUID: 94606ZC7Kvhwq04-3cCficfXq9VsK2TE X-Authority-Analysis: v=2.4 cv=Id+HWXqa c=1 sm=1 tr=0 ts=685c33d3 cx=c_pps a=UNFcQwm+pnOIJct1K4W+Mw==:117 a=xqWC_Br6kY4A:10 a=6IFa9wvqVegA:10 a=EUspDBNiAAAA:8 a=QX4gbG5DAAAA:8 a=n6CFGpYek-_V9AMlogEA:9 a=uKXjsCUrEbL0IQVhDsJ9:22 a=AbAUZ8qAyYyZVLSsDulk:22 X-Proofpoint-GUID: 94606ZC7Kvhwq04-3cCficfXq9VsK2TE X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNjI1MDEzMSBTYWx0ZWRfX5SJiVCMxZx3p drLFpeJXLN3CSnw261MEwVsHD4O8YzHZ9fpYZLEP4eZZGYGCLLyYCMn4fdeKz+ZGnekq3s6bUuo glwaXPXTvekTeT/KI2QLFpwpofckcJDMHe8sY0Ewqno8mA7oyo9XmfQjgaZkfE3gLrVmjfMih15 XQhKU7U2APU+nqZP5QCg/9h9v1YnSRgNkhNWZFx0zWMN3JeCYJJQh6Lo9jJCIHcTfCtO0gFY0kn n9RPTiV52n0rNLnzUkAmcu96QhSLDsBDn6gvi5SbcGrgbEhcsoEWx3kquGWbE+EPVschdlYRomQ XEPEJN95vMVurUR8d5m3H+DQZp5ngT6UPa4/E7end83fFxx6TtkjBm2603ipjw3G9wlGcKkPwmc VV/e06OFyNdWPbYy8erMIjJ3nAcV8cbFkYIr5/U8HSMVkWrpXOsUmJ9k2xeh1/7cG2N4eqGn X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.7,FMLib:17.12.80.40 definitions=2025-06-25_05,2025-06-25_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 priorityscore=1501 mlxlogscore=999 phishscore=0 bulkscore=0 clxscore=1015 impostorscore=0 mlxscore=0 lowpriorityscore=0 malwarescore=0 suspectscore=0 adultscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2506250131 Content-Type: text/plain; charset="utf-8" Add 1, 2, 3, and 4 component 32b float formats, so that buffers with these formats can be imported/exported with fourcc+modifier, and/or created by gbm. These correspond to PIPE_FORMAT_{R32,R32G32,R32G32B32,R32G32B32A32}_FLOAT in mesa. v2: Fix comment describing float32 layout [Sima] Signed-off-by: Rob Clark Acked-by: Simona Vetter Acked-by: Daniel Stone --- include/uapi/drm/drm_fourcc.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h index 3560ca1ffb8b..6a3f1b32cb30 100644 --- a/include/uapi/drm/drm_fourcc.h +++ b/include/uapi/drm/drm_fourcc.h @@ -232,6 +232,16 @@ extern "C" { #define DRM_FORMAT_GR1616F fourcc_code('G', 'R', ' ', 'H') /* [31:0]= G:R 16:16 little endian */ #define DRM_FORMAT_BGR161616F fourcc_code('B', 'G', 'R', 'H') /* [47:0]= B:G:R 16:16:16 little endian */ =20 +/* + * Floating point - 32b/component + * IEEE 754-2008 binary32 float + * [31:0] sign:exponent:mantissa 1:8:23 + */ +#define DRM_FORMAT_R32F fourcc_code('R', ' ', ' ', 'F') /* [31:0]= R 32 little endian */ +#define DRM_FORMAT_GR3232F fourcc_code('G', 'R', ' ', 'F') /* [63:0]= R:G 32:32 little endian */ +#define DRM_FORMAT_BGR323232F fourcc_code('B', 'G', 'R', 'F') /* [95:0]= R:G:B 32:32:32 little endian */ +#define DRM_FORMAT_ABGR32323232F fourcc_code('A', 'B', '8', 'F') /* [127:0= ] R:G:B:A 32:32:32:32 little endian */ + /* * RGBA format with 10-bit components packed in 64-bit per pixel, with 6 b= its * of unused padding per component: --=20 2.49.0