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charset=utf-8 Content-Disposition: inline In-Reply-To: <20251201-xilinx-formats-v7-4-1e1558adfefc@ideasonboard.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260128_040222_494402_9A03DDE0 X-CRM114-Status: GOOD ( 15.22 ) 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 On Mon, Dec 01, 2025 at 02:18:46PM +0200, Tomi Valkeinen wrote: > Add Y10_P32, a 10 bit greyscale format, with 3 pixels packed into > 32-bit container. > > The fourcc for the format is 'YPA4', which comes from Y - Y only, P - > packed, A - 10 (as in 0xA), 4 - 4 bytes. > > Reviewed-by: Vishal Sagar > Reviewed-by: Pekka Paalanen > Signed-off-by: Tomi Valkeinen Reviewed-by: Laurent Pinchart > --- > drivers/gpu/drm/drm_fourcc.c | 3 +++ > include/uapi/drm/drm_fourcc.h | 1 + > 2 files changed, 4 insertions(+) > > 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 format) > { .format = DRM_FORMAT_XV20, .depth = 0, .num_planes = 2, > .char_per_block = { 4, 8, 0 }, .block_w = { 3, 3, 0 }, .block_h = { 1, 1, 0 }, > .hsub = 2, .vsub = 1, .is_yuv = true }, > + { .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 }, > }; > > unsigned int i; > diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h > index 5cfc188c4e72..0fd99ae32a06 100644 > --- a/include/uapi/drm/drm_fourcc.h > +++ b/include/uapi/drm/drm_fourcc.h > @@ -469,6 +469,7 @@ extern "C" { > */ > > #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 */ > > /* > * Format Modifiers: -- Regards, Laurent Pinchart