diff options
Diffstat (limited to 'drivers/video/cfbcopyarea.c')
| -rw-r--r-- | drivers/video/cfbcopyarea.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/video/cfbcopyarea.c b/drivers/video/cfbcopyarea.c index 032210f45be..1c67885a1f4 100644 --- a/drivers/video/cfbcopyarea.c +++ b/drivers/video/cfbcopyarea.c @@ -45,14 +45,14 @@ static void bitcpy(unsigned long __iomem *dst, int dst_idx, const unsigned long __iomem *src, - int src_idx, int bits, unsigned n) + int src_idx, int bits, unsigned n, u32 bswapmask) { unsigned long first, last; int const shift = dst_idx-src_idx; int left, right; - first = FB_SHIFT_HIGH(~0UL, dst_idx); - last = ~(FB_SHIFT_HIGH(~0UL, (dst_idx+n) % bits)); + first = fb_shifted_pixels_mask_long(dst_idx, bswapmask); + last = ~fb_shifted_pixels_mask_long((dst_idx+n) % bits, bswapmask); if (!shift) { // Same alignment for source and dest @@ -185,7 +185,7 @@ bitcpy(unsigned long __iomem *dst, int dst_idx, const unsigned long __iomem *src static void bitcpy_rev(unsigned long __iomem *dst, int dst_idx, const unsigned long __iomem *src, - int src_idx, int bits, unsigned n) + int src_idx, int bits, unsigned n, u32 bswapmask) { unsigned long first, last; int shift; @@ -203,8 +203,8 @@ bitcpy_rev(unsigned long __iomem *dst, int dst_idx, const unsigned long __iomem shift = dst_idx-src_idx; - first = FB_SHIFT_LOW(~0UL, bits - 1 - dst_idx); - last = ~(FB_SHIFT_LOW(~0UL, bits - 1 - ((dst_idx-n) % bits))); + first = fb_shifted_pixels_mask_long(bits - 1 - dst_idx, bswapmask); + last = ~fb_shifted_pixels_mask_long(bits - 1 - ((dst_idx-n) % bits), bswapmask); if (!shift) { // Same alignment for source and dest @@ -336,6 +336,7 @@ void cfb_copyarea(struct fb_info *p, const struct fb_copyarea *area) unsigned long __iomem *dst = NULL, *src = NULL; int bits = BITS_PER_LONG, bytes = bits >> 3; int dst_idx = 0, src_idx = 0, rev_copy = 0; + u32 bswapmask = fb_compute_bswapmask(p); if (p->state != FBINFO_STATE_RUNNING) return; @@ -368,7 +369,7 @@ void cfb_copyarea(struct fb_info *p, const struct fb_copyarea *area) src += src_idx >> (ffs(bits) - 1); src_idx &= (bytes - 1); bitcpy_rev(dst, dst_idx, src, src_idx, bits, - width*p->var.bits_per_pixel); + width*p->var.bits_per_pixel, bswapmask); } } else { while (height--) { @@ -377,7 +378,7 @@ void cfb_copyarea(struct fb_info *p, const struct fb_copyarea *area) src += src_idx >> (ffs(bits) - 1); src_idx &= (bytes - 1); bitcpy(dst, dst_idx, src, src_idx, bits, - width*p->var.bits_per_pixel); + width*p->var.bits_per_pixel, bswapmask); dst_idx += bits_per_line; src_idx += bits_per_line; } |