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path: root/drivers/video/via
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Diffstat (limited to 'drivers/video/via')
-rw-r--r--drivers/video/via/hw.c2
-rw-r--r--drivers/video/via/viafbdev.c23
2 files changed, 15 insertions, 10 deletions
diff --git a/drivers/video/via/hw.c b/drivers/video/via/hw.c
index 1aa3bb2f1a4e..400373fda210 100644
--- a/drivers/video/via/hw.c
+++ b/drivers/video/via/hw.c
@@ -2206,8 +2206,6 @@ int viafb_setmode(struct VideoModeTable *vmode_tbl, int video_bpp,
outb(VPIT.SR[i - 1], VIASR + 1);
}
- viafb_set_primary_address(0);
- viafb_set_secondary_address(viafb_SAMM_ON ? viafb_second_offset : 0);
viafb_set_iga_path();
/* Write CRTC */
diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c
index 4d955ca0a1d2..b417259868a8 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;
}