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;
 }