1 files changed, 18 insertions, 5 deletions

diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
index 1820c4a24434..f58a3aae6ea6 100644
--- a/drivers/video/pxafb.c
+++ b/drivers/video/pxafb.c
@@ -80,7 +80,8 @@
 static int pxafb_activate_var(struct fb_var_screeninfo *var,
                                 struct pxafb_info *);
 static void set_ctrlr_state(struct pxafb_info *fbi, u_int state);
-static void setup_base_frame(struct pxafb_info *fbi, int branch);
+static void setup_base_frame(struct pxafb_info *fbi,
+                             struct fb_var_screeninfo *var, int branch);
 static int setup_frame_dma(struct pxafb_info *fbi, int dma, int pal,
                            unsigned long offset, size_t size);
 
@@ -397,6 +398,7 @@ static void pxafb_setmode(struct fb_var_screeninfo *var,
         var->lower_margin       = mode->lower_margin;
         var->sync               = mode->sync;
         var->grayscale          = mode->cmap_greyscale;
+        var->transp.length      = mode->transparency;
 
         /* set the initial RGBA bitfields */
         pxafb_set_pixfmt(var, mode->depth);
@@ -531,12 +533,22 @@ static int pxafb_pan_display(struct fb_var_screeninfo *var,
                              struct fb_info *info)
 {
         struct pxafb_info *fbi = (struct pxafb_info *)info;
+        struct fb_var_screeninfo newvar;
         int dma = DMA_MAX + DMA_BASE;
 
         if (fbi->state != C_ENABLE)
                 return 0;
 
-        setup_base_frame(fbi, 1);
+        /* Only take .xoffset, .yoffset and .vmode & FB_VMODE_YWRAP from what
+         * was passed in and copy the rest from the old screeninfo.
+         */
+        memcpy(&newvar, &fbi->fb.var, sizeof(newvar));
+        newvar.xoffset = var->xoffset;
+        newvar.yoffset = var->yoffset;
+        newvar.vmode &= ~FB_VMODE_YWRAP;
+        newvar.vmode |= var->vmode & FB_VMODE_YWRAP;
+
+        setup_base_frame(fbi, &newvar, 1);
 
         if (fbi->lccr0 & LCCR0_SDS)
                 lcd_writel(fbi, FBR1, fbi->fdadr[dma + 1] | 0x1);
@@ -1052,9 +1064,10 @@ static int setup_frame_dma(struct pxafb_info *fbi, int dma, int pal,
         return 0;
 }
 
-static void setup_base_frame(struct pxafb_info *fbi, int branch)
+static void setup_base_frame(struct pxafb_info *fbi,
+                             struct fb_var_screeninfo *var,
+                             int branch)
 {
-        struct fb_var_screeninfo *var = &fbi->fb.var;
         struct fb_fix_screeninfo *fix = &fbi->fb.fix;
         int nbytes, dma, pal, bpp = var->bits_per_pixel;
         unsigned long offset;
@@ -1332,7 +1345,7 @@ static int pxafb_activate_var(struct fb_var_screeninfo *var,
 #endif
                 setup_parallel_timing(fbi, var);
 
-        setup_base_frame(fbi, 0);
+        setup_base_frame(fbi, var, 0);
 
         fbi->reg_lccr0 = fbi->lccr0 |
                 (LCCR0_LDM | LCCR0_SFM | LCCR0_IUM | LCCR0_EFM |