Malidp implements a number of yuv buffer formats which are not
currently described in drm_fourcc.h.
This adds those definitions and describes their memory layout.
Signed-off-by: Alexandru Gheorghe <alexandru-cosmin.gheor...@arm.com>
---
drivers/gpu/drm/drm_fourcc.c | 7 +++++++
include/uapi/drm/drm_fourcc.h | 27 ++++++++++++++++++++++++++-
2 files changed, 33 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_fourcc.c b/drivers/gpu/drm/drm_fourcc.c
index 35c1e2742c27..18bb960e9943 100644
--- a/drivers/gpu/drm/drm_fourcc.c
+++ b/drivers/gpu/drm/drm_fourcc.c
@@ -173,6 +173,13 @@ 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_XYUV8888, .depth = 0,
.num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .is_yuv = true },
+ { .format = DRM_FORMAT_XVYU2101010, .depth = 0,
.num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .is_yuv = true },
+ { .format = DRM_FORMAT_Y0L0, .depth = 0,
.num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 2, .has_alpha = true,
.is_yuv = true },
+ { .format = DRM_FORMAT_X0L0, .depth = 0,
.num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 2, .is_yuv = true },
+ { .format = DRM_FORMAT_Y0L2, .depth = 0,
.num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 2, .has_alpha = true,
.is_yuv = true },
+ { .format = DRM_FORMAT_X0L2, .depth = 0,
.num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 2, .is_yuv = true },
+ { .format = DRM_FORMAT_P010, .depth = 0,
.num_planes = 2, .cpp = { 2, 4, 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 d43949b5bb3e..ba2fd9e9815d 100644
--- a/include/uapi/drm/drm_fourcc.h
+++ b/include/uapi/drm/drm_fourcc.h
@@ -105,13 +105,31 @@ extern "C" {
#define DRM_FORMAT_RGBA1010102 fourcc_code('R', 'A', '3', '0') /* [31:0]
R:G:B:A 10:10:10:2 little endian */
#define DRM_FORMAT_BGRA1010102 fourcc_code('B', 'A', '3', '0') /* [31:0]
B:G:R:A 10:10:10:2 little endian */
-/* packed YCbCr */
+/* packed YCbCr422 */
#define DRM_FORMAT_YUYV fourcc_code('Y', 'U', 'Y', 'V') /*
[31:0] Cr0:Y1:Cb0:Y0 8:8:8:8 little endian */
#define DRM_FORMAT_YVYU fourcc_code('Y', 'V', 'Y', 'U') /*
[31:0] Cb0:Y1:Cr0:Y0 8:8:8:8 little endian */
#define DRM_FORMAT_UYVY fourcc_code('U', 'Y', 'V', 'Y') /*
[31:0] Y1:Cr0:Y0:Cb0 8:8:8:8 little endian */
#define DRM_FORMAT_VYUY fourcc_code('V', 'Y', 'U', 'Y') /*
[31:0] Y1:Cb0:Y0:Cr0 8:8:8:8 little endian */
+/* packed YCbCr444 */
#define DRM_FORMAT_AYUV fourcc_code('A', 'Y', 'U', 'V') /*
[31:0] A:Y:Cb:Cr 8:8:8:8 little endian */
+#define DRM_FORMAT_XYUV8888 fourcc_code('X', 'Y', 'U', 'V') /* [31:0]
X:Y:Cb:Cr 8:8:8:8 little endian */
+#define DRM_FORMAT_XVYU2101010 fourcc_code('V', 'U', '3', '0') /* [31:0]
X:Cr:Y:Cb 2:10:10:10 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
@@ -141,6 +159,13 @@ extern "C" {
#define DRM_FORMAT_NV24 fourcc_code('N', 'V', '2', '4') /*
non-subsampled Cr:Cb plane */
#define DRM_FORMAT_NV42 fourcc_code('N', 'V', '4', '2') /*
non-subsampled Cb:Cr plane */
+/*
+ * Each sample packed into the top 10 bits of a 16-bit word.
+ * Y plane: [63:0] Y3:0:Y2:0:Y1:0:Y0:0, 10:6:10:6:10:6:10:6
+ * CrCb plane: [63:0] Cr2:0:Cb2:0:Cr0:0:Cb0:0, 10:6:10:6:10:6:10:6
+ */
+#define DRM_FORMAT_P010 fourcc_code('P', '0', '1', '0') /* 2x2
subsampled Cr:Cb plane */
+
/*
* 3 plane YCbCr
* index 0: Y plane, [7:0] Y
--
2.18.0
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