diff --git a/src/legacy_output.c b/src/legacy_output.c
index e5ddf1f..25850aa 100644
--- a/src/legacy_output.c
+++ b/src/legacy_output.c
@@ -769,6 +769,8 @@ RADEONEnableDisplay(xf86OutputPtr output, BOOL bEnable)
 	    OUTREG(RADEON_LVDS_GEN_CNTL, tmp);
 	    save->lvds_gen_cntl |= (RADEON_LVDS_ON | RADEON_LVDS_BLON | RADEON_LVDS_EN);
 	    save->lvds_gen_cntl &= ~(RADEON_LVDS_DISPLAY_DIS);
+	    radeon_set_backlight_level(output, 255);
+	    //radeon_set_backlight_level(output, 0);
 	} else if (radeon_output->MonType == MT_STV ||
 		   radeon_output->MonType == MT_CTV) {
 	    info->output_tv1 |= (1 << o);
@@ -860,6 +862,8 @@ RADEONEnableDisplay(xf86OutputPtr output, BOOL bEnable)
 		OUTREG(RADEON_LVDS_GEN_CNTL, tmp);
 		save->lvds_gen_cntl |= RADEON_LVDS_DISPLAY_DIS;
 		save->lvds_gen_cntl &= ~(RADEON_LVDS_ON | RADEON_LVDS_BLON | RADEON_LVDS_EN);
+		radeon_set_backlight_level(output, 0);
+		//radeon_set_backlight_level(output, 255);
 		if (info->IsMobility || info->IsIGP) {
 		    OUTPLL(pScrn, RADEON_PIXCLKS_CNTL, tmpPixclksCntl);
 		}
diff --git a/src/radeon_output.c b/src/radeon_output.c
index 5924c81..df91d80 100644
--- a/src/radeon_output.c
+++ b/src/radeon_output.c
@@ -1081,12 +1081,13 @@ radeon_destroy (xf86OutputPtr output)
         xfree(output->driver_private);
 }
 
-static void
+void
 radeon_set_backlight_level(xf86OutputPtr output, int level)
 {
-#if 0
+#if 1
     ScrnInfoPtr pScrn = output->scrn;
     RADEONInfoPtr info = RADEONPTR(pScrn);
+    RADEONOutputPrivatePtr radeon_output = output->driver_private;
     unsigned char * RADEONMMIO = info->MMIO;
     uint32_t lvds_gen_cntl;
 
@@ -1094,10 +1095,10 @@ radeon_set_backlight_level(xf86OutputPtr output, int level)
     lvds_gen_cntl |= RADEON_LVDS_BL_MOD_EN;
     lvds_gen_cntl &= ~RADEON_LVDS_BL_MOD_LEVEL_MASK;
     lvds_gen_cntl |= (level << RADEON_LVDS_BL_MOD_LEVEL_SHIFT) & RADEON_LVDS_BL_MOD_LEVEL_MASK;
-    //usleep (radeon_output->PanelPwrDly * 1000);
+    usleep (radeon_output->PanelPwrDly * 1000);
     OUTREG(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
     lvds_gen_cntl &= ~RADEON_LVDS_BL_MOD_EN;
-    //usleep (radeon_output->PanelPwrDly * 1000);
+    usleep (radeon_output->PanelPwrDly * 1000);
     OUTREG(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
 #endif
 }