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Thu, 20 Nov 2025 09:23:18 +0100 (CET) Date: Thu, 20 Nov 2025 10:22:58 +0200 From: Pekka Paalanen To: Tomi Valkeinen Cc: Vishal Sagar , Anatoliy Klymenko , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Laurent Pinchart , Michal Simek , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Geert Uytterhoeven , Dmitry Baryshkov Subject: Re: [PATCH v6 04/11] drm/fourcc: Add DRM_FORMAT_Y10_P32 Message-ID: <20251120102258.0c7103da@eldfell> In-Reply-To: <20251001-xilinx-formats-v6-4-014b076b542a@ideasonboard.com> References: <20251001-xilinx-formats-v6-0-014b076b542a@ideasonboard.com> <20251001-xilinx-formats-v6-4-014b076b542a@ideasonboard.com> X-Mailer: Claws Mail 4.3.1 (GTK 3.24.49; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/qZnLldddO.m=+W4r=X_Y_v4"; protocol="application/pgp-signature"; micalg=pgp-sha256 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251120_002327_068637_E28B59BB X-CRM114-Status: GOOD ( 16.64 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --Sig_/qZnLldddO.m=+W4r=X_Y_v4 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Wed, 01 Oct 2025 16:22:16 +0300 Tomi Valkeinen wrote: > Add Y10_P32, a 10 bit greyscale format, with 3 pixels packed into > 32-bit container. >=20 > The fourcc for the format is 'YPA4', which comes from Y - Y only, P - > packed, A - 10 (as in 0xA), 4 - 4 bytes. >=20 > Reviewed-by: Vishal Sagar > Signed-off-by: Tomi Valkeinen > --- > drivers/gpu/drm/drm_fourcc.c | 3 +++ > include/uapi/drm/drm_fourcc.h | 1 + > 2 files changed, 4 insertions(+) >=20 > diff --git a/drivers/gpu/drm/drm_fourcc.c b/drivers/gpu/drm/drm_fourcc.c > index a39b9d7a5b62..0d222f6c1a30 100644 > --- a/drivers/gpu/drm/drm_fourcc.c > +++ b/drivers/gpu/drm/drm_fourcc.c > @@ -388,6 +388,9 @@ const struct drm_format_info *__drm_format_info(u32 f= ormat) > { .format =3D DRM_FORMAT_XV20, .depth =3D 0, .num_planes =3D 2, > .char_per_block =3D { 4, 8, 0 }, .block_w =3D { 3, 3, 0 }, .block_h = =3D { 1, 1, 0 }, > .hsub =3D 2, .vsub =3D 1, .is_yuv =3D true }, > + { .format =3D DRM_FORMAT_Y10_P32, .depth =3D 0, .num_planes =3D 1, > + .char_per_block =3D { 4, 0, 0 }, .block_w =3D { 3, 0, 0 }, .block_h = =3D { 1, 0, 0 }, > + .hsub =3D 1, .vsub =3D 1, .is_yuv =3D true }, > }; > =20 > unsigned int i; > diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h > index a08f900ea2c3..4754bb48e4c3 100644 > --- a/include/uapi/drm/drm_fourcc.h > +++ b/include/uapi/drm/drm_fourcc.h > @@ -469,6 +469,7 @@ extern "C" { > */ > =20 > #define DRM_FORMAT_Y8 fourcc_code('G', 'R', 'E', 'Y') /* 8-bit Y-only = */ > +#define DRM_FORMAT_Y10_P32 fourcc_code('Y', 'P', 'A', '4') /* [31:0] x:= Y2:Y1:Y0 2:10:10:10 little endian */ > =20 > /* > * Format Modifiers: >=20 Hi, Reviewed-by: Pekka Paalanen Thanks, pq --Sig_/qZnLldddO.m=+W4r=X_Y_v4 Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEJQjwWQChkWOYOIONI1/ltBGqqqcFAmkez+IACgkQI1/ltBGq qqeJMQ/+MJxuBnhoV1r1k4w31593kPdJG4Ha9INxg9yaQuYnT+HFZ98eYSyPgQLi 93RhCuQepdqIqaSENdD9WOfvGlum9CrufbvPyC5aSxz4m7JNgNdvbhIO1F2O0keZ v3UiHlOAqsOqRKKX+FDwc4pLvN5eIp9AHLLw7AyluhqmwhEHTnGu5re/e+4iHUBP IeyOFRTozdlZhy7qc7JxJkRC+78eE1QTWy5QV2tC4GrwUaXDrmhOUvpEUneKCPRp 4RcTWKvHdpeZ9RvSf4mDhq/FSGQsL7X/abLHY7f5AY3RoMk9Eg/h8WnmeVt3u8C4 1vR96pA+2nCXlFuVdS6YZjivCF5ZsUsM0X2Ez4+B1JBjJzzM7eHaKNNd0mVVplk/ JEsOUX9ZquAydqdfq0sK7KzwnM5CMAuOzcCWqv4mT6AHLgthfab8KEUzTb2Dkk5z 1MVYXlcNRUB+fJzNIYrrJnS7TNd95m6PnD0IcEJiZRJRU5pHr6FZNi4j0k+RQycf w3Kedoh2eFhegXEnjfzFo9Tg34EIWQNWBoejfkCNds4PDnE2VcAH1ylktBuqGgsL FCr7a6POW8mCYrfrVJKzeFiuBUlqIr0FVvZz35Ga72FUAaffVH50dpO7UP0ELx9e 1zWAepdCUNrcIB4+oesjvJx0nF4NxnGkgjH03mRhOIVEzCOJrTg= =UJZ2 -----END PGP SIGNATURE----- --Sig_/qZnLldddO.m=+W4r=X_Y_v4--