* [PATCH 5/10] nvidiafb: Fixed mirrored characters in big endian machines
@ 2005-09-01 21:37 Antonino A. Daplas
0 siblings, 0 replies; only message in thread
From: Antonino A. Daplas @ 2005-09-01 21:37 UTC (permalink / raw)
To: Andrew Morton; +Cc: Linux Fbdev development list
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>
---
nv_local.h | 4 ++++
1 files changed, 4 insertions(+)
diff --git a/drivers/video/nvidia/nv_local.h b/drivers/video/nvidia/nv_local.h
--- 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__ */
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