1 files changed, 28 insertions, 3 deletions

diff --git a/drivers/video/s3c-fb.c b/drivers/video/s3c-fb.c
index d3a568e6b169..53bca288e836 100644
--- a/drivers/video/s3c-fb.c
+++ b/drivers/video/s3c-fb.c
@@ -358,9 +358,16 @@ static int s3c_fb_set_par(struct fb_info *info)
         writel(data, regs + VIDOSD_B(win_no));
 
         data = var->xres * var->yres;
+
+        u32 osdc_data = 0;
+
+        osdc_data = VIDISD14C_ALPHA1_R(0xf) |
+                VIDISD14C_ALPHA1_G(0xf) |
+                VIDISD14C_ALPHA1_B(0xf);
+
         if (s3c_fb_has_osd_d(win_no)) {
                 writel(data, regs + VIDOSD_D(win_no));
-                writel(0, regs + VIDOSD_C(win_no));
+                writel(osdc_data, regs + VIDOSD_C(win_no));
         } else
                 writel(data, regs + VIDOSD_C(win_no));
 
@@ -409,8 +416,12 @@ static int s3c_fb_set_par(struct fb_info *info)
                                 data |= WINCON1_BPPMODE_19BPP_A1666;
                         else
                                 data |= WINCON1_BPPMODE_18BPP_666;
-                } else if (var->transp.length != 0)
-                        data |= WINCON1_BPPMODE_25BPP_A1888;
+                } else if (var->transp.length == 1)
+                        data |= WINCON1_BPPMODE_25BPP_A1888
+                                | WINCON1_BLD_PIX;
+                else if (var->transp.length == 4)
+                        data |= WINCON1_BPPMODE_28BPP_A4888
+                                | WINCON1_BLD_PIX | WINCON1_ALPHA_SEL;
                 else
                         data |= WINCON0_BPPMODE_24BPP_888;
 
@@ -418,6 +429,20 @@ static int s3c_fb_set_par(struct fb_info *info)
                 break;
         }
 
+        /* It has no color key control register for window0 */
+        if (win_no > 0) {
+                u32 keycon0_data = 0, keycon1_data = 0;
+
+                keycon0_data = ~(WxKEYCON0_KEYBL_EN |
+                                WxKEYCON0_KEYEN_F |
+                                WxKEYCON0_DIRCON) | WxKEYCON0_COMPKEY(0);
+
+                keycon1_data = WxKEYCON1_COLVAL(0xffffff);
+
+                writel(keycon0_data, regs + WxKEYCONy(win_no-1, 0));
+                writel(keycon1_data, regs + WxKEYCONy(win_no-1, 1));
+        }
+
         writel(data, regs + WINCON(win_no));
         writel(0x0, regs + WINxMAP(win_no));