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path: root/drivers/video/vesafb.c
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Diffstat (limited to 'drivers/video/vesafb.c')
-rw-r--r--drivers/video/vesafb.c47
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;