diff --git a/drivers/video/cfbfillrect.c b/drivers/video/cfbfillrect.c index 64b35766b2a26bf28ccb1cfb55990c159008ca45..ba9f58b2a5e86e65a29aa3cabc67d45087b933b9 100644 --- a/drivers/video/cfbfillrect.c +++ b/drivers/video/cfbfillrect.c @@ -9,10 +9,6 @@ * * NOTES: * - * The code for depths like 24 that don't have integer number of pixels per - * long is broken and needs to be fixed. For now I turned these types of - * mode off. - * * Also need to add code to deal with cards endians that are different than * the native cpu endians. I also need to deal with MSB position in the word. * @@ -139,7 +135,7 @@ bitfill_unaligned(struct fb_info *p, unsigned long __iomem *dst, int dst_idx, // Trailing bits if (last) - FB_WRITEL(comp(pat, FB_READL(dst), first), dst); + FB_WRITEL(comp(pat, FB_READL(dst), last), dst); } } @@ -281,7 +277,7 @@ bitfill_unaligned_rev(struct fb_info *p, unsigned long __iomem *dst, void cfb_fillrect(struct fb_info *p, const struct fb_fillrect *rect) { - unsigned long pat, fg; + unsigned long pat, pat2, fg; unsigned long width = rect->width, height = rect->height; int bits = BITS_PER_LONG, bytes = bits >> 3; u32 bpp = p->var.bits_per_pixel; @@ -297,7 +293,7 @@ void cfb_fillrect(struct fb_info *p, const struct fb_fillrect *rect) else fg = rect->color; - pat = pixel_to_pat( bpp, fg); + pat = pixel_to_pat(bpp, fg); dst = (unsigned long __iomem *)((unsigned long)p->screen_base & ~(bytes-1)); dst_idx = ((unsigned long)p->screen_base & (bytes - 1))*8; @@ -333,17 +329,16 @@ void cfb_fillrect(struct fb_info *p, const struct fb_fillrect *rect) dst_idx += p->fix.line_length*8; } } else { - int right; - int r; - int rot = (left-dst_idx) % bpp; + int right, r; void (*fill_op)(struct fb_info *p, unsigned long __iomem *dst, int dst_idx, unsigned long pat, int left, int right, unsigned n, int bits) = NULL; - - /* rotate pattern to correct start position */ - pat = pat << rot | pat >> (bpp-rot); - - right = bpp-left; +#ifdef __LITTLE_ENDIAN + right = left; + left = bpp - right; +#else + right = bpp - left; +#endif switch (rect->rop) { case ROP_XOR: fill_op = bitfill_unaligned_rev; @@ -352,17 +347,18 @@ void cfb_fillrect(struct fb_info *p, const struct fb_fillrect *rect) fill_op = bitfill_unaligned; break; default: - printk( KERN_ERR "cfb_fillrect(): unknown rop, defaulting to ROP_COPY\n"); + printk(KERN_ERR "cfb_fillrect(): unknown rop, defaulting to ROP_COPY\n"); fill_op = bitfill_unaligned; break; } while (height--) { - dst += dst_idx >> (ffs(bits) - 1); + dst += dst_idx / bits; dst_idx &= (bits - 1); - fill_op(p, dst, dst_idx, pat, left, right, + r = dst_idx % bpp; + /* rotate pattern to the correct start position */ + pat2 = le_long_to_cpu(rolx(cpu_to_le_long(pat), r, bpp)); + fill_op(p, dst, dst_idx, pat2, left, right, width*bpp, bits); - r = (p->fix.line_length*8) % bpp; - pat = pat << (bpp-r) | pat >> r; dst_idx += p->fix.line_length*8; } } diff --git a/drivers/video/fb_draw.h b/drivers/video/fb_draw.h index 1db622192bde2252553eb91ce69123d6fc69512f..04c01faaf7721b71041461f56c6b2032d3085d81 100644 --- a/drivers/video/fb_draw.h +++ b/drivers/video/fb_draw.h @@ -33,11 +33,11 @@ pixel_to_pat( u32 bpp, u32 pixel) case 8: return 0x0101010101010101ul*pixel; case 12: - return 0x0001001001001001ul*pixel; + return 0x1001001001001001ul*pixel; case 16: return 0x0001000100010001ul*pixel; case 24: - return 0x0000000001000001ul*pixel; + return 0x0001000001000001ul*pixel; case 32: return 0x0000000100000001ul*pixel; default: @@ -58,11 +58,11 @@ pixel_to_pat( u32 bpp, u32 pixel) case 8: return 0x01010101ul*pixel; case 12: - return 0x00001001ul*pixel; + return 0x01001001ul*pixel; case 16: return 0x00010001ul*pixel; case 24: - return 0x00000001ul*pixel; + return 0x01000001ul*pixel; case 32: return 0x00000001ul*pixel; default: @@ -167,4 +167,17 @@ static inline unsigned long fb_rev_pixels_in_long(unsigned long val, #endif /* CONFIG_FB_CFB_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) +#define __cpu_to_le_long(x) cpu_to_le##x + +#define le_long_to_cpu _le_long_to_cpu(BITS_PER_LONG) +#define _le_long_to_cpu(x) __le_long_to_cpu(x) +#define __le_long_to_cpu(x) le##x##_to_cpu + +static inline unsigned long rolx(unsigned long word, unsigned int shift, unsigned int x) +{ + return (word << shift) | (word >> (x - shift)); +} + #endif /* FB_DRAW_H */ diff --git a/drivers/video/sysfillrect.c b/drivers/video/sysfillrect.c index f94d6b6e29eeb9f57c4082f6a09190ca055d3278..33ee3d34f9d24004c85002ff9be86cbc25d62eef 100644 --- a/drivers/video/sysfillrect.c +++ b/drivers/video/sysfillrect.c @@ -124,7 +124,7 @@ bitfill_unaligned(struct fb_info *p, unsigned long *dst, int dst_idx, /* Trailing bits */ if (last) - *dst = comp(pat, *dst, first); + *dst = comp(pat, *dst, last); } } @@ -242,7 +242,7 @@ bitfill_unaligned_rev(struct fb_info *p, unsigned long *dst, int dst_idx, void sys_fillrect(struct fb_info *p, const struct fb_fillrect *rect) { - unsigned long pat, fg; + unsigned long pat, pat2, fg; unsigned long width = rect->width, height = rect->height; int bits = BITS_PER_LONG, bytes = bits >> 3; u32 bpp = p->var.bits_per_pixel; @@ -292,17 +292,16 @@ void sys_fillrect(struct fb_info *p, const struct fb_fillrect *rect) dst_idx += p->fix.line_length*8; } } else { - int right; - int r; - int rot = (left-dst_idx) % bpp; + int right, r; void (*fill_op)(struct fb_info *p, unsigned long *dst, int dst_idx, unsigned long pat, int left, int right, unsigned n, int bits) = NULL; - - /* rotate pattern to correct start position */ - pat = pat << rot | pat >> (bpp-rot); - - right = bpp-left; +#ifdef __LITTLE_ENDIAN + right = left; + left = bpp - right; +#else + right = bpp - left; +#endif switch (rect->rop) { case ROP_XOR: fill_op = bitfill_unaligned_rev; @@ -311,18 +310,19 @@ void sys_fillrect(struct fb_info *p, const struct fb_fillrect *rect) fill_op = bitfill_unaligned; break; default: - printk(KERN_ERR "cfb_fillrect(): unknown rop, " + printk(KERN_ERR "sys_fillrect(): unknown rop, " "defaulting to ROP_COPY\n"); fill_op = bitfill_unaligned; break; } while (height--) { - dst += dst_idx >> (ffs(bits) - 1); + dst += dst_idx / bits; dst_idx &= (bits - 1); - fill_op(p, dst, dst_idx, pat, left, right, + r = dst_idx % bpp; + /* rotate pattern to the correct start position */ + pat2 = le_long_to_cpu(rolx(cpu_to_le_long(pat), r, bpp)); + fill_op(p, dst, dst_idx, pat2, left, right, width*bpp, bits); - r = (p->fix.line_length*8) % bpp; - pat = pat << (bpp-r) | pat >> r; dst_idx += p->fix.line_length*8; } }