From: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Date: Fri, 10 Aug 2018 13:28:59 +0000 (+0200)
Subject: drm: drm_fourcc: add Samsung 16x16 tile format
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=b1c7a57448307898cb3a44f5c9b0cfdff43bb633;p=openwrt%2Fstaging%2Fblogic.git

drm: drm_fourcc: add Samsung 16x16 tile format

Add modifier for tiled formats used by graphics modules found in Samsung
Exynos5250/542x/5433 SoCs. This is a simple tiled layout using tiles
of 16x16 pixels in a row-major layout.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
---

diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
index 139632b87181..0cd40ebfa1b1 100644
--- a/include/uapi/drm/drm_fourcc.h
+++ b/include/uapi/drm/drm_fourcc.h
@@ -338,6 +338,15 @@ extern "C" {
  */
 #define DRM_FORMAT_MOD_SAMSUNG_64_32_TILE	fourcc_mod_code(SAMSUNG, 1)
 
+/*
+ * Tiled, 16 (pixels) x 16 (lines) - sized macroblocks
+ *
+ * This is a simple tiled layout using tiles of 16x16 pixels in a row-major
+ * layout. For YCbCr formats Cb/Cr components are taken in such a way that
+ * they correspond to their 16x16 luma block.
+ */
+#define DRM_FORMAT_MOD_SAMSUNG_16_16_TILE	fourcc_mod_code(SAMSUNG, 2)
+
 /*
  * Qualcomm Compressed Format
  *