diff options
Diffstat (limited to 'drivers/video/vesafb.c')
-rw-r--r-- | drivers/video/vesafb.c | 47 |
1 files changed, 2 insertions, 45 deletions
diff --git a/drivers/video/vesafb.c b/drivers/video/vesafb.c index 3e58ddc2bc3..8982e540214 100644 --- a/drivers/video/vesafb.c +++ b/drivers/video/vesafb.c @@ -57,7 +57,6 @@ static unsigned short *pmi_base = NULL; static void (*pmi_start)(void); static void (*pmi_pal)(void); static int depth; -static int vga_compat; /* --------------------------------------------------------------------- */ @@ -67,15 +66,6 @@ static int vesafb_pan_display(struct fb_var_screeninfo *var, #ifdef __i386__ int offset; - if (!ypan) - return -EINVAL; - if (var->xoffset) - return -EINVAL; - if (var->yoffset > var->yres_virtual) - return -EINVAL; - if ((ypan==1) && var->yoffset+var->yres > var->yres_virtual) - return -EINVAL; - offset = (var->yoffset * info->fix.line_length + var->xoffset) / 4; __asm__ __volatile__( @@ -90,37 +80,6 @@ static int vesafb_pan_display(struct fb_var_screeninfo *var, return 0; } -static int vesafb_blank(int blank, struct fb_info *info) -{ - int err = 1; - - if (vga_compat) { - int loop = 10000; - u8 seq = 0, crtc17 = 0; - - if (blank == FB_BLANK_POWERDOWN) { - seq = 0x20; - crtc17 = 0x00; - err = 0; - } else { - seq = 0x00; - crtc17 = 0x80; - err = (blank == FB_BLANK_UNBLANK) ? 0 : -EINVAL; - } - - vga_wseq(NULL, 0x00, 0x01); - seq |= vga_rseq(NULL, 0x01) & ~0x20; - vga_wseq(NULL, 0x00, seq); - - crtc17 |= vga_rcrt(NULL, 0x17) & ~0x80; - while (loop--); - vga_wcrt(NULL, 0x17, crtc17); - vga_wseq(NULL, 0x00, 0x03); - } - - return err; -} - static void vesa_setpalette(int regno, unsigned red, unsigned green, unsigned blue) { @@ -205,7 +164,6 @@ static struct fb_ops vesafb_ops = { .owner = THIS_MODULE, .fb_setcolreg = vesafb_setcolreg, .fb_pan_display = vesafb_pan_display, - .fb_blank = vesafb_blank, .fb_fillrect = cfb_fillrect, .fb_copyarea = cfb_copyarea, .fb_imageblit = cfb_imageblit, @@ -459,9 +417,8 @@ static int __init vesafb_probe(struct platform_device *dev) info->flags = FBINFO_FLAG_DEFAULT | (ypan) ? FBINFO_HWACCEL_YPAN : 0; - vga_compat = (screen_info.capabilities & 2) ? 0 : 1; - printk("vesafb: Mode is %sVGA compatible\n", - (vga_compat) ? "" : "not "); + if (!ypan) + info->fbops->fb_pan_display = NULL; if (fb_alloc_cmap(&info->cmap, 256, 0) < 0) { err = -ENOMEM; |