From: Antonino A. Daplas <adaplas@gmail.com>
Date: Fri, 9 Sep 2005 20:10:01 +0000 (-0700)
Subject: [PATCH] nvidiafb: Fixed mirrored characters in big endian machines
X-Git-Tag: v2.6.14-rc1~307
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7c1cd6fd5efeb95603e37f35b5da293b452d8b64;p=linux-2.6

[PATCH] nvidiafb: Fixed mirrored characters in big endian machines

nvidiafb_imageblit converts the bitdata stream from big_endian to little
endian.  This produces mirrored characters when machine is big_endian.  Do not
endian convert on big endian machines.

Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/drivers/video/nvidia/nv_local.h b/drivers/video/nvidia/nv_local.h
index 9da320986f..afee284fc7 100644
--- a/drivers/video/nvidia/nv_local.h
+++ b/drivers/video/nvidia/nv_local.h
@@ -95,6 +95,7 @@
 
 #define READ_GET(par) (NV_RD32(&(par)->FIFO[0x0011], 0) >> 2)
 
+#ifdef __LITTLE_ENDIAN
 #define reverse_order(l)        \
 do {                            \
 	u8 *a = (u8 *)(l);      \
@@ -103,5 +104,8 @@ do {                            \
 	*a = byte_rev[*a], a++; \
 	*a = byte_rev[*a];      \
 } while(0)
+#else
+#define reverse_order(l)
+#endif                          /* __LITTLE_ENDIAN */
 
 #endif				/* __NV_LOCAL_H__ */