1 files changed, 23 insertions, 1 deletions

diff --git a/drivers/video/geode/video_gx.c b/drivers/video/geode/video_gx.c
index 2b2a7880ea75..616ce339c5fa 100644
--- a/drivers/video/geode/video_gx.c
+++ b/drivers/video/geode/video_gx.c
@@ -178,7 +178,21 @@ static void gx_set_dclk_frequency(struct fb_info *info)
 static void gx_configure_display(struct fb_info *info)
 {
         struct geodefb_par *par = info->par;
-        u32 dcfg, fp_pm;
+        u32 dcfg, fp_pm, misc;
+
+        /* Set up the MISC register */
+
+        misc = readl(par->vid_regs + GX_MISC);
+
+        /* Power up the DAC */
+        misc &= ~(GX_MISC_A_PWRDN | GX_MISC_DAC_PWRDN);
+
+        /* Disable gamma correction */
+        misc |= GX_MISC_GAM_EN;
+
+        writel(misc, par->vid_regs + GX_MISC);
+
+        /* Write the display configuration */
 
         dcfg = readl(par->vid_regs + GX_DCFG);
 
@@ -199,9 +213,17 @@ static void gx_configure_display(struct fb_info *info)
         if (info->var.sync & FB_SYNC_VERT_HIGH_ACT)
                 dcfg |= GX_DCFG_CRT_VSYNC_POL;
 
+        /* Enable the display logic */
+        /* Set up the DACS to blank normally */
+
+        dcfg |= GX_DCFG_CRT_EN | GX_DCFG_DAC_BL_EN;
+
+        /* Enable the external DAC VREF? */
+
         writel(dcfg, par->vid_regs + GX_DCFG);
 
         /* Power on flat panel. */
+
         fp_pm = readl(par->vid_regs + GX_FP_PM);
         fp_pm |= GX_FP_PM_P;
         writel(fp_pm, par->vid_regs + GX_FP_PM);