[PATCH 13/13] fbdev: core: Split CFB and SYS pixel reversing

@@ -69,7 +69,7 @@ config FB_CFB_REV_PIXELS_IN_BYTE
 	bool
 	depends on FB_CORE
 	help
-	  Allow generic frame-buffer functions to work on displays with 1, 2
+	  Allow I/O memory frame-buffer functions to work on displays with 1, 2
 	  and 4 bits per pixel depths which has opposite order of pixels in
 	  byte order to bytes in long order.

@@ -97,6 +97,14 @@ config FB_SYS_IMAGEBLIT
 	  blitting. This is used by drivers that don't provide their own
 	  (accelerated) version and the framebuffer is in system RAM.

+config FB_SYS_REV_PIXELS_IN_BYTE
+	bool
+	depends on FB_CORE
+	help
+	  Allow SYS memory frame-buffer functions to work on displays with 1, 2
+	  and 4 bits per pixel depths which has opposite order of pixels in
+	  byte order to bytes in long order.
+
 config FB_PROVIDE_GET_FB_UNMAPPED_AREA
 	bool
 	depends on FB

@@ -25,6 +25,7 @@
 #define FB_SPACE          0
 #define FB_SPACE_NAME     "I/O"
 #define FB_SCREEN_BASE(a) ((a)->screen_base)
+#define FB_REV_PIXELS_IN_BYTE CONFIG_FB_CFB_REV_PIXELS_IN_BYTE
 #include "fb_copyarea.h"

 EXPORT_SYMBOL(cfb_copyarea);

@@ -25,6 +25,7 @@
 #define FB_SPACE          0
 #define FB_SPACE_NAME     "I/O"
 #define FB_SCREEN_BASE(a) ((a)->screen_base)
+#define FB_REV_PIXELS_IN_BYTE CONFIG_FB_CFB_REV_PIXELS_IN_BYTE
 #include "fb_fillrect.h"

 EXPORT_SYMBOL(cfb_fillrect);

@@ -19,6 +19,7 @@
 #define FB_SPACE          0
 #define FB_SPACE_NAME     "I/O"
 #define FB_SCREEN_BASE(a) ((a)->screen_base)
+#define FB_REV_PIXELS_IN_BYTE CONFIG_FB_CFB_REV_PIXELS_IN_BYTE
 #include "fb_imageblit.h"

 EXPORT_SYMBOL(cfb_imageblit);

@@ -75,7 +75,7 @@ pixel_to_pat( u32 bpp, u32 pixel)
 }
 #endif

-#ifdef CONFIG_FB_CFB_REV_PIXELS_IN_BYTE
+#ifdef FB_REV_PIXELS_IN_BYTE
 #if BITS_PER_LONG == 64
 #define REV_PIXELS_MASK1 0x5555555555555555ul
 #define REV_PIXELS_MASK2 0x3333333333333333ul

@@ -157,7 +157,7 @@ static inline u32 fb_compute_bswapmask(struct fb_info *info)
 	return bswapmask;
 }

-#else /* CONFIG_FB_CFB_REV_PIXELS_IN_BYTE */
+#else /* FB_REV_PIXELS_IN_BYTE */

 static inline unsigned long fb_rev_pixels_in_long(unsigned long val,
 						  u32 bswapmask)

@@ -169,7 +169,7 @@ static inline unsigned long fb_rev_pixels_in_long(unsigned long val,
 #define fb_shifted_pixels_mask_long(p, i, b) FB_SHIFT_HIGH((p), ~0UL, (i))
 #define fb_compute_bswapmask(...) 0

-#endif  /* CONFIG_FB_CFB_REV_PIXELS_IN_BYTE */
+#endif  /* FB_REV_PIXELS_IN_BYTE */

 #define cpu_to_le_long _cpu_to_le_long(BITS_PER_LONG)
 #define _cpu_to_le_long(x) __cpu_to_le_long(x)

@@ -23,6 +23,7 @@
 #define FB_SPACE          FBINFO_VIRTFB
 #define FB_SPACE_NAME     "virtual"
 #define FB_SCREEN_BASE(a) ((a)->screen_buffer)
+#define FB_REV_PIXELS_IN_BYTE CONFIG_FB_SYS_REV_PIXELS_IN_BYTE
 #include "fb_copyarea.h"

 EXPORT_SYMBOL(sys_copyarea);

@@ -23,6 +23,7 @@
 #define FB_SPACE          FBINFO_VIRTFB
 #define FB_SPACE_NAME     "virtual"
 #define FB_SCREEN_BASE(a) ((a)->screen_buffer)
+#define FB_REV_PIXELS_IN_BYTE CONFIG_FB_SYS_REV_PIXELS_IN_BYTE
 #include "fb_fillrect.h"

 EXPORT_SYMBOL(sys_fillrect);

@@ -21,6 +21,7 @@
 #define FB_SPACE          FBINFO_VIRTFB
 #define FB_SPACE_NAME     "virtual"
 #define FB_SCREEN_BASE(a) ((a)->screen_buffer)
+#define FB_REV_PIXELS_IN_BYTE CONFIG_FB_SYS_REV_PIXELS_IN_BYTE
 #include "fb_imageblit.h"

 EXPORT_SYMBOL(sys_imageblit);