diff options
Diffstat (limited to 'drivers/video/via/viafbdev.c')
| -rw-r--r-- | drivers/video/via/viafbdev.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c index 4d955ca0a1d..b417259868a 100644 --- a/drivers/video/via/viafbdev.c +++ b/drivers/video/via/viafbdev.c @@ -50,6 +50,8 @@ static void apply_second_mode_setting(struct fb_var_screeninfo *sec_var); static void retrieve_device_setting(struct viafb_ioctl_setting *setting_info); +static int viafb_pan_display(struct fb_var_screeninfo *var, + struct fb_info *info); static struct fb_ops viafb_ops; @@ -182,6 +184,7 @@ static int viafb_set_par(struct fb_info *info) info->flags |= FBINFO_HWACCEL_DISABLED; viafb_setmode(vmode_entry, info->var.bits_per_pixel, vmode_entry1, viafb_bpp1); + viafb_pan_display(&info->var, info); } return 0; @@ -410,15 +413,19 @@ static int viafb_setcmap(struct fb_cmap *cmap, struct fb_info *info) static int viafb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) { - unsigned int offset; - - DEBUG_MSG(KERN_INFO "viafb_pan_display!\n"); - - offset = (var->xoffset + (var->yoffset * var->xres_virtual)) * - var->bits_per_pixel / 16; + struct viafb_par *viapar = info->par; + u32 vram_addr = (var->yoffset * var->xres_virtual + var->xoffset) + * (var->bits_per_pixel / 8) + viapar->vram_addr; + + DEBUG_MSG(KERN_DEBUG "viafb_pan_display, address = %d\n", vram_addr); + if (!viafb_dual_fb) { + viafb_set_primary_address(vram_addr); + viafb_set_secondary_address(vram_addr); + } else if (viapar->iga_path == IGA1) + viafb_set_primary_address(vram_addr); + else + viafb_set_secondary_address(vram_addr); - DEBUG_MSG(KERN_INFO "\nviafb_pan_display,offset =%d ", offset); - viafb_set_primary_address(offset); return 0; } |