openwrt/target/linux/layerscape/patches-5.4/805-display-0037-MLK-15110-1-drm-fourcc-Add-Amphion-tiled-layout-form.patch

From 57a12a90496eb310d56ab45f105819d6103b472e Mon Sep 17 00:00:00 2001
From: Liu Ying <victor.liu@nxp.com>
Date: Thu, 3 Aug 2017 16:00:46 +0800
Subject: [PATCH] MLK-15110-1 drm/fourcc: Add Amphion tiled layout format
 modifier

Amphion VPU has a tiled layout using 8x128 pixel vertical strips,
where each strip contains 1x16 groups of 8x8 pixels in a row-major layout.

Signed-off-by: Song Bing <bing.song@nxp.com>
Signed-off-by: Liu Ying <victor.liu@nxp.com>
[ Aisheng : AMPHION changed to 0xf1 ]
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
---
 include/uapi/drm/drm_fourcc.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

--- a/include/uapi/drm/drm_fourcc.h
+++ b/include/uapi/drm/drm_fourcc.h
@@ -309,6 +309,7 @@ extern "C" {
 #define DRM_FORMAT_MOD_VENDOR_BROADCOM 0x07
 #define DRM_FORMAT_MOD_VENDOR_ARM     0x08
 #define DRM_FORMAT_MOD_VENDOR_ALLWINNER 0x09
+#define DRM_FORMAT_MOD_VENDOR_AMPHION 0xf0
 
 /* add more to the end as needed */
 
@@ -756,6 +757,16 @@ extern "C" {
  */
 #define DRM_FORMAT_MOD_ALLWINNER_TILED fourcc_mod_code(ALLWINNER, 1)
 
+/* Amphion tiled layout */
+
+/*
+ * Amphion 8x128 tiling layout
+ *
+ * This is a tiled layout using 8x128 pixel vertical strips, where each strip
+ * contains 1x16 groups of 8x8 pixels in a row-major layout.
+ */
+#define DRM_FORMAT_MOD_AMPHION_TILED fourcc_mod_code(AMPHION, 1)
+
 #if defined(__cplusplus)
 }
 #endif