@@ -226,6 +226,9 @@ const struct drm_format_info *__drm_format_info(u32 format)
{ .format = DRM_FORMAT_VYUY, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 1, .is_yuv = true },
{ .format = DRM_FORMAT_XYUV8888, .depth = 0, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .is_yuv = true },
{ .format = DRM_FORMAT_AYUV, .depth = 0, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true, .is_yuv = true },
+ { .format = DRM_FORMAT_Y210, .depth = 0, .num_planes = 1, .cpp = { 8, 0, 0 }, .hsub = 2, .vsub = 1, .is_yuv = true },
+ { .format = DRM_FORMAT_Y212, .depth = 0, .num_planes = 1, .cpp = { 8, 0, 0 }, .hsub = 2, .vsub = 1, .is_yuv = true },
+ { .format = DRM_FORMAT_Y216, .depth = 0, .num_planes = 1, .cpp = { 8, 0, 0 }, .hsub = 2, .vsub = 1, .is_yuv = true },
{ .format = DRM_FORMAT_Y0L0, .depth = 0, .num_planes = 1,
.char_per_block = { 8, 0, 0 }, .block_w = { 2, 0, 0 }, .block_h = { 2, 0, 0 },
.hsub = 2, .vsub = 2, .has_alpha = true, .is_yuv = true },
@@ -154,6 +154,14 @@
#define DRM_FORMAT_XYUV8888 fourcc_code('X', 'Y', 'U', 'V') /* [31:0] X:Y:Cb:Cr 8:8:8:8 little endian */
/*
+ * packed Y2xx indicate for each component, xx valid data occupy msb
+ * 16-xx padding occupy lsb
+ */
+#define DRM_FORMAT_Y210 fourcc_code('Y', '2', '1', '0') /* [63:0] Y0:x:Cb0:x:Y1:x:Cr1:x 10:6:10:6:10:6:10:6 little endian */
+#define DRM_FORMAT_Y212 fourcc_code('Y', '2', '1', '2') /* [63:0] Y0:x:Cb0:x:Y1:x:Cr1:x 12:4:12:4:12:4:12:4 little endian */
+#define DRM_FORMAT_Y216 fourcc_code('Y', '2', '1', '6') /* [63:0] Y0:Cb0:Y1:Cr1 16:16:16:16 little endian */
+
+/*
* packed YCbCr420 2x2 tiled formats
* first 64 bits will contain Y,Cb,Cr components for a 2x2 tile
*/
The following pixel formats are packed format that follows 4:2:2 chroma sampling. For memory represenation each component is allocated 16 bits each. Thus each pixel occupies 32bit. Y210: Valid data occupies MSB 10 bits. LSB 6 bits are filled with zeroes. Y212: Valid data occupies MSB 12 bits. LSB 4 bits are filled with zeroes. Y216: Valid data occupies 16 bits, doesn't require any padding bits. First 16 bits stores the Y value and the next 16 bits stores one of the chroma samples alternatively. The first luma sample will be accompanied by first U sample and second luma sample is accompanied by the first V sample. v2: is_yuv setted to true (mahesh) different order of yuv samples (mahesh): still update from hardware team pending change in comment (alexandru) v3: change in patch comment (juha) change in fourcc_code comment (juha) different order of yuv samples needs to be defined for Y210/ Y212/Y216 (update from h/w folks): not including in this patch, will do in other patch series (if reqd) v4: rebase Signed-off-by: Swati Sharma <swati2.sharma@intel.com> Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com> --- drivers/gpu/drm/drm_fourcc.c | 3 +++ include/uapi/drm/drm_fourcc.h | 8 ++++++++ 2 files changed, 11 insertions(+)