[PATCH 1/2] drm/fourcc: add ARM tiled format modifier

From: Qiang Yu <yuq825@gmail.com>
To: dri-devel@lists.freedesktop.org, lima@lists.freedesktop.org
Cc: Marek Vasut <marex@denx.de>, Simon Shields <simon@lineageos.org>,
	Andreas Baierl <ichgeh@imkreisrum.de>,
	Maxime Ripard <maxime.ripard@bootlin.com>,
	Neil Armstrong <narmstrong@baylibre.com>,
	Vasily Khoruzhick <anarsoul@gmail.com>,
	David Airlie <airlied@linux.ie>, Qiang Yu <yuq825@gmail.com>,
	Sean Paul <sean@poorly.run>, Erico Nunes <nunes.erico@gmail.com>
Subject: [PATCH 1/2] drm/fourcc: add ARM tiled format modifier
Date: Wed,  6 Feb 2019 21:14:56 +0800	[thread overview]
Message-ID: <20190206131457.1072-2-yuq825@gmail.com> (raw)
In-Reply-To: <20190206131457.1072-1-yuq825@gmail.com>

Signed-off-by: Qiang Yu <yuq825@gmail.com>
---
 include/uapi/drm/drm_fourcc.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
index 0b44260a5ee9..953b59eb3fd2 100644
--- a/include/uapi/drm/drm_fourcc.h
+++ b/include/uapi/drm/drm_fourcc.h
@@ -644,6 +644,15 @@ extern "C" {
  */
 #define AFBC_FORMAT_MOD_SC      (1ULL <<  9)
 
+/*
+ * ARM tiled format
+ *
+ * This is used by ARM Mali Utgard/Midgard GPU. It divides buffer into
+ * 16x16 pixel blocks. Blocks are stored linearly in order, but pixels
+ * in the block are reordered.
+ */
+#define DRM_FORMAT_MOD_ARM_TILED fourcc_mod_code(ARM, 1)
+
 #if defined(__cplusplus)
 }
 #endif
-- 
2.17.1

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