target/linux/layerscape/patches-5.4/805-display-0040-drm-fourcc-add-modifier-for-vivante-compressed-tiled.patch

   1 From 8894f4411bee347f7f392823805e77391dcaf305 Mon Sep 17 00:00:00 2001
   2 From: Fancy Fang <chen.fang@nxp.com>
   3 Date: Thu, 10 Oct 2019 17:06:15 +0300
   4 Subject: [PATCH] drm/fourcc: add modifier for vivante compressed tiled layout
   5
   6 Add a new fb modifier for Vivante compressed and tiled
   7 pixle layout which can be decompressed by DEC400D module
   8 in DCSS.
   9
  10 Signed-off-by: Fancy Fang <chen.fang@nxp.com>
  11 Signed-off-by: Laurentiu Palcu <laurentiu.palcu@nxp.com>
  12 ---
  13  include/uapi/drm/drm_fourcc.h | 9 +++++++++
  14  1 file changed, 9 insertions(+)
  15
  16 --- a/include/uapi/drm/drm_fourcc.h
  17 +++ b/include/uapi/drm/drm_fourcc.h
  18 @@ -489,6 +489,15 @@ extern "C" {
  19   */
  20  #define DRM_FORMAT_MOD_VIVANTE_SPLIT_SUPER_TILED fourcc_mod_code(VIVANTE, 4)
  21
  22 +       /*
  23 + * Vivante 64x64 super-tiling with compression layout
  24 + *
  25 + * This is a tiled layout using 64x64 pixel super-tiles, where each super-tile
  26 + * contains 8x4 groups of 2x4 tiles of 4x4 pixels each, all in row-major layout
  27 + * with compression.
  28 + */
  29 +#define DRM_FORMAT_MOD_VIVANTE_SUPER_TILED_FC  fourcc_mod_code(VIVANTE, 5)
  30 +
  31  /* NVIDIA frame buffer modifiers */
  32
  33  /*