Vivante TS (tile-status) buffer modifiers. They can be combined with all of
the Vivante color buffer tiling modifiers, so they are kind of a modifier
modifier. If a TS modifier is present we have a additional plane for the
TS buffer and the modifier defines the layout of this TS buffer.
Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
---
include/uapi/drm/drm_fourcc.h | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
index f76de49c768f..76df2a932637 100644
--- a/include/uapi/drm/drm_fourcc.h
+++ b/include/uapi/drm/drm_fourcc.h
@@ -623,6 +623,22 @@ extern "C" {
*/
#define DRM_FORMAT_MOD_VIVANTE_SPLIT_SUPER_TILED fourcc_mod_code(VIVANTE, 4)
+/*
+ * Vivante TS (tile-status) buffer modifiers. They can be combined with all of
+ * the color buffer tiling modifiers defined above. When TS is present it's a
+ * separate buffer containing the clear/compression status of each tile. The
+ * modifiers are defined as VIVANTE_MOD_TS_c_s, where c is the color buffer tile
+ * size in bytes covered by one entry in the status buffer and s is the number
+ * of status bits per entry.
+ * We reserve the top 8bits of the Vivante modifier space for TS modifiers, as
+ * future cores might add some more TS layout variations.
+ */
+#define VIVANTE_MOD_TS_64_4 (1ULL << 48)
+#define VIVANTE_MOD_TS_64_2 (2ULL << 48)
+#define VIVANTE_MOD_TS_128_4 (3ULL << 48)
+#define VIVANTE_MOD_TS_256_4 (4ULL << 48)
+#define VIVANTE_MOD_TS_MASK (0xffULL << 48)
+
/* NVIDIA frame buffer modifiers */
/*
--
2.29.2
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