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path: root/drivers/video/via/viafbdev.c
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Diffstat (limited to 'drivers/video/via/viafbdev.c')
-rw-r--r--drivers/video/via/viafbdev.c43
1 files changed, 25 insertions, 18 deletions
diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c
index 410de33f5778..ce7783b63f6a 100644
--- a/drivers/video/via/viafbdev.c
+++ b/drivers/video/via/viafbdev.c
@@ -80,6 +80,15 @@ static void viafb_fill_var_color_info(struct fb_var_screeninfo *var, u8 depth)
var->green.length = 8;
var->blue.length = 8;
break;
+ case 15:
+ var->bits_per_pixel = 16;
+ var->red.offset = 10;
+ var->green.offset = 5;
+ var->blue.offset = 0;
+ var->red.length = 5;
+ var->green.length = 5;
+ var->blue.length = 5;
+ break;
case 16:
var->bits_per_pixel = 16;
var->red.offset = 11;
@@ -98,6 +107,15 @@ static void viafb_fill_var_color_info(struct fb_var_screeninfo *var, u8 depth)
var->green.length = 8;
var->blue.length = 8;
break;
+ case 30:
+ var->bits_per_pixel = 32;
+ var->red.offset = 20;
+ var->green.offset = 10;
+ var->blue.offset = 0;
+ var->red.length = 10;
+ var->green.length = 10;
+ var->blue.length = 10;
+ break;
}
}
@@ -171,6 +189,10 @@ static int viafb_check_var(struct fb_var_screeninfo *var,
return -EINVAL;
else if (!depth)
depth = 24;
+ else if (depth == 15 && viafb_dual_fb && ppar->iga_path == IGA1)
+ depth = 15;
+ else if (depth == 30)
+ depth = 30;
else if (depth <= 8)
depth = 8;
else if (depth <= 16)
@@ -1811,19 +1833,6 @@ static int __devinit via_pci_probe(struct pci_dev *pdev,
viafb_second_virtual_yres = viafb_second_yres;
}
- switch (viafb_bpp) {
- case 0 ... 8:
- viafb_bpp = 8;
- break;
- case 9 ... 16:
- viafb_bpp = 16;
- break;
- case 17 ... 32:
- viafb_bpp = 32;
- break;
- default:
- viafb_bpp = 8;
- }
default_var.xres = default_xres;
default_var.yres = default_yres;
switch (default_xres) {
@@ -1836,8 +1845,6 @@ static int __devinit via_pci_probe(struct pci_dev *pdev,
}
default_var.yres_virtual = default_yres;
default_var.bits_per_pixel = viafb_bpp;
- if (default_var.bits_per_pixel == 15)
- default_var.bits_per_pixel = 16;
default_var.pixclock =
viafb_get_pixclock(default_xres, default_yres, viafb_refresh);
default_var.left_margin = (default_xres >> 3) & 0xf8;
@@ -1847,7 +1854,6 @@ static int __devinit via_pci_probe(struct pci_dev *pdev,
default_var.hsync_len = default_var.left_margin;
default_var.vsync_len = 4;
viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo);
- viafb_check_var(&default_var, viafbinfo);
viafbinfo->var = default_var;
if (viafb_dual_fb) {
@@ -1883,8 +1889,6 @@ static int __devinit via_pci_probe(struct pci_dev *pdev,
default_var.yres = viafb_second_yres;
default_var.xres_virtual = viafb_second_virtual_xres;
default_var.yres_virtual = viafb_second_virtual_yres;
- if (viafb_bpp1 != viafb_bpp)
- viafb_bpp1 = viafb_bpp;
default_var.bits_per_pixel = viafb_bpp1;
default_var.pixclock =
viafb_get_pixclock(viafb_second_xres, viafb_second_yres,
@@ -1904,6 +1908,7 @@ static int __devinit via_pci_probe(struct pci_dev *pdev,
&viafbinfo1->fix);
}
+ viafb_check_var(&viafbinfo->var, viafbinfo);
viafb_update_fix(viafbinfo);
viaparinfo->depth = fb_get_color_depth(&viafbinfo->var,
&viafbinfo->fix);
@@ -2070,6 +2075,8 @@ static int __init viafb_init(void)
#endif
if (parse_mode(viafb_mode, &dummy, &dummy)
|| parse_mode(viafb_mode1, &dummy, &dummy)
+ || viafb_bpp < 0 || viafb_bpp > 32
+ || viafb_bpp1 < 0 || viafb_bpp1 > 32
|| parse_active_dev())
return -EINVAL;