Mali-DP implements a number of tiled yuv formats which are not
currently described in drm_fourcc.h.
This adds those definitions and describes their memory layout by
using the newly added char_per_block, block_w, block_h.
Reviewed-by: Brian Starkey <brian.star...@arm.com>
Reviewed-by: Daniel Vetter <daniel.vet...@ffwll.ch>
Signed-off-by: Alexandru Gheorghe <alexandru-cosmin.gheor...@arm.com>
---
drivers/gpu/drm/drm_fourcc.c | 12 ++++++++++++
include/uapi/drm/drm_fourcc.h | 14 ++++++++++++++
2 files changed, 26 insertions(+)
diff --git a/drivers/gpu/drm/drm_fourcc.c b/drivers/gpu/drm/drm_fourcc.c
index 00c96dbdcad5..aaae6152ee5e 100644
--- a/drivers/gpu/drm/drm_fourcc.c
+++ b/drivers/gpu/drm/drm_fourcc.c
@@ -225,6 +225,18 @@ const struct drm_format_info *__drm_format_info(u32 format)
{ .format = DRM_FORMAT_UYVY, .depth = 0,
.num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 1, .is_yuv = true },
{ .format = DRM_FORMAT_VYUY, .depth = 0,
.num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .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_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 },
+ { .format = DRM_FORMAT_X0L0, .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, .is_yuv = true },
+ { .format = DRM_FORMAT_Y0L2, .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 },
+ { .format = DRM_FORMAT_X0L2, .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, .is_yuv = true },
};
unsigned int i;
diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
index 0cd40ebfa1b1..e7e48f1f4a74 100644
--- a/include/uapi/drm/drm_fourcc.h
+++ b/include/uapi/drm/drm_fourcc.h
@@ -152,6 +152,20 @@ extern "C" {
#define DRM_FORMAT_AYUV fourcc_code('A', 'Y', 'U', 'V') /*
[31:0] A:Y:Cb:Cr 8:8:8:8 little endian */
+/*
+ * packed YCbCr420 2x2 tiled formats
+ * first 64 bits will contain Y,Cb,Cr components for a 2x2 tile
+ */
+/* [63:0] A3:A2:Y3:0:Cr0:0:Y2:0:A1:A0:Y1:0:Cb0:0:Y0:0
1:1:8:2:8:2:8:2:1:1:8:2:8:2:8:2 little endian */
+#define DRM_FORMAT_Y0L0 fourcc_code('Y', '0', 'L', '0')
+/* [63:0] X3:X2:Y3:0:Cr0:0:Y2:0:X1:X0:Y1:0:Cb0:0:Y0:0
1:1:8:2:8:2:8:2:1:1:8:2:8:2:8:2 little endian */
+#define DRM_FORMAT_X0L0 fourcc_code('X', '0', 'L', '0')
+
+/* [63:0] A3:A2:Y3:Cr0:Y2:A1:A0:Y1:Cb0:Y0 1:1:10:10:10:1:1:10:10:10 little
endian */
+#define DRM_FORMAT_Y0L2 fourcc_code('Y', '0', 'L', '2')
+/* [63:0] X3:X2:Y3:Cr0:Y2:X1:X0:Y1:Cb0:Y0 1:1:10:10:10:1:1:10:10:10 little
endian */
+#define DRM_FORMAT_X0L2 fourcc_code('X', '0', 'L', '2')
+
/*
* 2 plane RGB + A
* index 0 = RGB plane, same format as the corresponding non _A8 format has
--
2.19.1
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