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Received: from BL1PR12MB5969.namprd12.prod.outlook.com (2603:10b6:208:398::7) by SN7PR12MB7154.namprd12.prod.outlook.com (2603:10b6:806:2a5::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9052.29; Wed, 3 Sep 2025 13:59:59 +0000 Received: from BL1PR12MB5969.namprd12.prod.outlook.com ([fe80::1ac7:adec:34f4:86d1]) by BL1PR12MB5969.namprd12.prod.outlook.com ([fe80::1ac7:adec:34f4:86d1%5]) with mapi id 15.20.9094.016; Wed, 3 Sep 2025 13:59:59 +0000 Message-ID: <7e772d53-e151-4b20-8ec5-1d57bfb5f4eb@amd.com> Date: Wed, 3 Sep 2025 15:59:55 +0200 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 05/11] drm/fourcc: Add DRM_FORMAT_X403 To: Tomi Valkeinen , Anatoliy Klymenko , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Laurent Pinchart , Michal Simek Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Geert Uytterhoeven , Dmitry Baryshkov , Pekka Paalanen References: <20250425-xilinx-formats-v5-0-c74263231630@ideasonboard.com> <20250425-xilinx-formats-v5-5-c74263231630@ideasonboard.com> From: "Sagar, Vishal" Content-Language: en-US In-Reply-To: <20250425-xilinx-formats-v5-5-c74263231630@ideasonboard.com> Content-Type: text/plain; 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On 4/25/2025 1:01 PM, Tomi Valkeinen wrote: > Add X403, a 3 plane 10 bits per component non-subsampled YCbCr format. > > Signed-off-by: Tomi Valkeinen > --- > drivers/gpu/drm/drm_fourcc.c | 3 +++ > include/uapi/drm/drm_fourcc.h | 9 +++++++++ > 2 files changed, 12 insertions(+) > > diff --git a/drivers/gpu/drm/drm_fourcc.c b/drivers/gpu/drm/drm_fourcc.c > index e5f04f7ec164..60684f99f4a7 100644 > --- a/drivers/gpu/drm/drm_fourcc.c > +++ b/drivers/gpu/drm/drm_fourcc.c > @@ -356,6 +356,9 @@ const struct drm_format_info *__drm_format_info(u32 format) > { .format = DRM_FORMAT_Y10_P32, .depth = 0, .num_planes = 1, > .char_per_block = { 4, 0, 0 }, .block_w = { 3, 0, 0 }, .block_h = { 1, 0, 0 }, > .hsub = 1, .vsub = 1, .is_yuv = true }, > + { .format = DRM_FORMAT_X403, .depth = 0, .num_planes = 3, > + .char_per_block = { 4, 4, 4 }, .block_w = { 3, 3, 3 }, .block_h = { 1, 1, 1 }, > + .hsub = 1, .vsub = 1, .is_yuv = true }, > }; > > unsigned int i; > diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h > index fceb7a2dfeb4..df3dbc36c26b 100644 > --- a/include/uapi/drm/drm_fourcc.h > +++ b/include/uapi/drm/drm_fourcc.h > @@ -385,6 +385,15 @@ extern "C" { > */ > #define DRM_FORMAT_Q401 fourcc_code('Q', '4', '0', '1') > > +/* > + * 3 plane non-subsampled (444) YCbCr > + * 10 bpc, 30 bits per sample image data in a single contiguous buffer. > + * index 0: Y plane, [31:0] x:Y2:Y1:Y0 [2:10:10:10] little endian > + * index 1: Cb plane, [31:0] x:Cb2:Cb1:Cb0 [2:10:10:10] little endian > + * index 2: Cr plane, [31:0] x:Cr2:Cr1:Cr0 [2:10:10:10] little endian > + */ > +#define DRM_FORMAT_X403 fourcc_code('X', '4', '0', '3') > + > /* > * 3 plane YCbCr > * index 0: Y plane, [7:0] Y > This looks good to me. Reviewed-by: Vishal Sagar Regards Vishal Sagar