From 78494dd3442cf6ac5562f684c7073db2818d3afd Mon Sep 17 00:00:00 2001 From: "Antonino A. Daplas" Date: Tue, 8 May 2007 00:38:46 -0700 Subject: fbdev: add sparse annotations in svgalib.c Add sparse annotations and use fb_read/fb_write family to access the framebuffer. Signed-off-by: Antonino Daplas Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/svgalib.c | 32 +++++++++++++++++--------------- 1 file changed, 17 insertions(+), 15 deletions(-) (limited to 'drivers') diff --git a/drivers/video/svgalib.c b/drivers/video/svgalib.c index 68b30d9eac5..7fddc4a9b99 100644 --- a/drivers/video/svgalib.c +++ b/drivers/video/svgalib.c @@ -194,7 +194,7 @@ void svga_dump_var(struct fb_var_screeninfo *var, int node) void svga_settile(struct fb_info *info, struct fb_tilemap *map) { const u8 *font = map->data; - u8* fb = (u8 *) info->screen_base; + u8 __iomem *fb = (u8 __iomem *)info->screen_base; int i, c; if ((map->width != 8) || (map->height != 16) || @@ -207,7 +207,8 @@ void svga_settile(struct fb_info *info, struct fb_tilemap *map) fb += 2; for (c = 0; c < map->length; c++) { for (i = 0; i < map->height; i++) { - fb[i * 4] = font[i]; + fb_writeb(font[i], fb + i * 4); +// fb[i * 4] = font[i]; } fb += 128; font += map->height; @@ -221,8 +222,8 @@ void svga_tilecopy(struct fb_info *info, struct fb_tilearea *area) /* colstride is halved in this function because u16 are used */ int colstride = 1 << (info->fix.type_aux & FB_AUX_TEXT_SVGA_MASK); int rowstride = colstride * (info->var.xres_virtual / 8); - u16 *fb = (u16 *) info->screen_base; - u16 *src, *dst; + u16 __iomem *fb = (u16 __iomem *) info->screen_base; + u16 __iomem *src, *dst; if ((area->sy > area->dy) || ((area->sy == area->dy) && (area->sx > area->dx))) { @@ -239,10 +240,11 @@ void svga_tilecopy(struct fb_info *info, struct fb_tilearea *area) } for (dy = 0; dy < area->height; dy++) { - u16* src2 = src; - u16* dst2 = dst; + u16 __iomem *src2 = src; + u16 __iomem *dst2 = dst; for (dx = 0; dx < area->width; dx++) { - *dst2 = *src2; + fb_writew(fb_readw(src2), dst2); +// *dst2 = *src2; src2 += colstride; dst2 += colstride; } @@ -258,14 +260,14 @@ void svga_tilefill(struct fb_info *info, struct fb_tilerect *rect) int colstride = 2 << (info->fix.type_aux & FB_AUX_TEXT_SVGA_MASK); int rowstride = colstride * (info->var.xres_virtual / 8); int attr = (0x0F & rect->bg) << 4 | (0x0F & rect->fg); - u8 *fb = (u8 *) info->screen_base; + u8 __iomem *fb = (u8 __iomem *)info->screen_base; fb += rect->sx * colstride + rect->sy * rowstride; for (dy = 0; dy < rect->height; dy++) { - u8* fb2 = fb; + u8 __iomem *fb2 = fb; for (dx = 0; dx < rect->width; dx++) { - fb2[0] = rect->index; - fb2[1] = attr; + fb_writeb(rect->index, fb2); + fb_writeb(attr, fb2 + 1); fb2 += colstride; } fb += rowstride; @@ -279,15 +281,15 @@ void svga_tileblit(struct fb_info *info, struct fb_tileblit *blit) int colstride = 2 << (info->fix.type_aux & FB_AUX_TEXT_SVGA_MASK); int rowstride = colstride * (info->var.xres_virtual / 8); int attr = (0x0F & blit->bg) << 4 | (0x0F & blit->fg); - u8* fb = (u8 *) info->screen_base; + u8 __iomem *fb = (u8 __iomem *)info->screen_base; fb += blit->sx * colstride + blit->sy * rowstride; i=0; for (dy=0; dy < blit->height; dy ++) { - u8* fb2 = fb; + u8 __iomem *fb2 = fb; for (dx = 0; dx < blit->width; dx ++) { - fb2[0] = blit->indices[i]; - fb2[1] = attr; + fb_writeb(blit->indices[i], fb2); + fb_writeb(attr, fb2 + 1); fb2 += colstride; i ++; if (i == blit->length) return; -- cgit v1.2.3