On 25/10/2023 13:39, Keith Zhao wrote:
For each modifier, add the corresponding description
Signed-off-by: Keith Zhao <keith.zhao@xxxxxxxxxxxxxxxx>
---
include/uapi/drm/drm_fourcc.h | 57 +++++++++++++++++++++++++++++++++++
1 file changed, 57 insertions(+)
diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
index 8db7fd3f7..a580a848c 100644
--- a/include/uapi/drm/drm_fourcc.h
+++ b/include/uapi/drm/drm_fourcc.h
@@ -419,6 +419,7 @@ extern "C" {
#define DRM_FORMAT_MOD_VENDOR_ARM 0x08
#define DRM_FORMAT_MOD_VENDOR_ALLWINNER 0x09
#define DRM_FORMAT_MOD_VENDOR_AMLOGIC 0x0a
+#define DRM_FORMAT_MOD_VENDOR_VERISILICON 0x0b
/* add more to the end as needed */
@@ -1562,6 +1563,62 @@ drm_fourcc_canonicalize_nvidia_format_mod(__u64 modifier)
#define AMD_FMT_MOD_CLEAR(field) \
(~((__u64)AMD_FMT_MOD_##field##_MASK << AMD_FMT_MOD_##field##_SHIFT))
+#define DRM_FORMAT_MOD_VERISILICON_TYPE_NORMAL 0x00
+#define DRM_FORMAT_MOD_VERISILICON_TYPE_MASK ((__u64)0x3 << 54)
+
+#define fourcc_mod_vs_code(type, val) \
+ fourcc_mod_code(VERISILICON, ((((__u64)type) << 54) | (val)))
Please use fourcc_mode_code directly.
+
+#define DRM_FORMAT_MOD_VERISILICON_NORM_MODE_MASK 0x1F
+
+/*
+ * An x-major 8x8 super tile consists of 64 8x8 sub-tiles in total.
+ * Each 8x8 sub-tile consists of four standard tiles .
+ * standard tiles (see Vivante 4x4 tiling layout)
+ */
+#define DRM_FORMAT_MOD_VERISILICON_SUPER_TILED_XMAJOR_8X8 0x02
+
+/*
+ * A y-major 8x8 super tile consists of 64 8x8 sub-tiles in total.
+ * Each 8x8 sub-tile consists of four standard tiles .
+ * standard tiles (see Vivante 4x4 tiling layout)
+ */
+#define DRM_FORMAT_MOD_VERISILICON_SUPER_TILED_YMAJOR_8X8 0x03
+
+/*
+ * An 8x8 tile consists of four standard tiles
+ * that are organized in Z-order.
+ * standard tiles (see Vivante 4x4 tiling layout)
+ */
+#define DRM_FORMAT_MOD_VERISILICON_TILE_8X8 0x04
+
+/*
+ * An 8x4 tile consists of two standard tiles
+ * that are organized in Z-order.
+ * standard tiles (see Vivante 4x4 tiling layout)
+ */
+#define DRM_FORMAT_MOD_VERISILICON_TILE_8X4 0x07
+
+/*
+ * An x-major 8x4 super tile consists of 128 8x4 sub-tiles in total.
+ * Each 8x4 sub-tile consists of two standard tiles.
+ * two standard tiles also same with DRM_FORMAT_MOD_VS_TILE_8X4
+ * standard tiles (see Vivante 4x4 tiling layout)
+ */
+#define DRM_FORMAT_MOD_VERISILICON_SUPER_TILED_XMAJOR_8X4 0x0B
+
+/*
+ * A y-major 4x8 super tile consists of 128 4x8 sub-tiles in total.
+ * Each 4x8 sub-tile consists of two standard tiles.
+ * two standard tiles also same with DRM_FORMAT_MOD_VS_TILE_8X4
+ * standard tiles (see Vivante 4x4 tiling layout)
+ */
+#define DRM_FORMAT_MOD_VERISILICON_SUPER_TILED_YMAJOR_4X8 0x0C
+
+#define fourcc_mod_vs_norm_code(tile) \
+ fourcc_mod_vs_code(DRM_FORMAT_MOD_VERISILICON_TYPE_NORMAL, \
+ (tile))
1) this is not a part of uAPI
2) please use fourcc_mod_code directly.
+
#if defined(__cplusplus)
}
#endif
--
With best wishes
Dmitry
