From: Ben Skeggs <bskeggs@redhat.com>
Date: Wed, 10 Oct 2012 00:34:29 +0000 (+1000)
Subject: drm/nv20/fb: fix zcomp register calculation on big-endian systems
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=d33db63b3775409b1725cb4f5d17eb7cab2cc656;p=openwrt%2Fstaging%2Fblogic.git

drm/nv20/fb: fix zcomp register calculation on big-endian systems

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---

diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/nv20.c b/drivers/gpu/drm/nouveau/core/subdev/fb/nv20.c
index 86bceb1b02e0..2c30f238f23c 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/fb/nv20.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/fb/nv20.c
@@ -61,6 +61,9 @@ nv20_fb_tile_comp(struct nouveau_fb *pfb, int i, u32 size, u32 flags,
 		tile->zcomp |= 0x80000000;
 		if (bpp != 16)
 			tile->zcomp |= 0x04000000;
+#ifdef __BIG_ENDIAN
+		tile->zcomp |= 0x08000000;
+#endif
 	}
 }
 
diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/nv25.c b/drivers/gpu/drm/nouveau/core/subdev/fb/nv25.c
index 257a025db1da..7529353bc1de 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/fb/nv25.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/fb/nv25.c
@@ -49,6 +49,9 @@ nv25_fb_tile_comp(struct nouveau_fb *pfb, int i, u32 size, u32 flags,
 			tile->zcomp |= 0x00100000;
 		else
 			tile->zcomp |= 0x00200000;
+#ifdef __BIG_ENDIAN
+		tile->zcomp |= 0x01000000;
+#endif
 	}
 }