diff --git a/src/i830.h b/src/i830.h
index 05b0358..59560fc 100644
--- a/src/i830.h
+++ b/src/i830.h
@@ -606,6 +606,7 @@ typedef struct _I830Rec {
    CARD32 savePP_OFF;
    CARD32 savePP_CONTROL;
    CARD32 savePP_CYCLE;
+   CARD8 saveLBB;
    CARD32 savePFIT_CONTROL;
    CARD32 savePaletteA[256];
    CARD32 savePaletteB[256];
diff --git a/src/i830_lvds.c b/src/i830_lvds.c
index ef8fa4a..77718ba 100644
--- a/src/i830_lvds.c
+++ b/src/i830_lvds.c
@@ -431,6 +431,14 @@ i830_lvds_save (xf86OutputPtr output)
     pI830->savePP_CONTROL = INREG(PP_CONTROL);
     pI830->savePP_CYCLE = INREG(PP_CYCLE);
     pI830->saveBLC_PWM_CTL = INREG(BLC_PWM_CTL);
+
+#if XSERVER_LIBPCIACCESS
+    pci_device_cfg_read_u8(pI830->PciInfo, &pI830->saveLBB,
+			   LEGACY_BACKLIGHT_BRIGHTNESS);
+#else
+    pI830->saveLBB = pciReadByte(pI830->PciTag, LEGACY_BACKLIGHT_BRIGHTNESS);
+#endif
+
     dev_priv->backlight_duty_cycle = dev_priv->get_backlight(output);
 }
 
@@ -447,6 +455,14 @@ i830_lvds_restore(xf86OutputPtr output)
     OUTREG(LVDSPP_OFF, pI830->savePP_OFF);
     OUTREG(PP_CYCLE, pI830->savePP_CYCLE);
     OUTREG(PP_CONTROL, pI830->savePP_CONTROL);
+
+#if XSERVER_LIBPCIACCESS
+    pci_device_cfg_write_u8(pI830->PciInfo, &pI830->saveLBB,
+			    LEGACY_BACKLIGHT_BRIGHTNESS);
+#else
+    pciWriteByte(pI830->PciTag, LEGACY_BACKLIGHT_BRIGHTNESS, pI830->saveLBB);
+#endif
+
     if (pI830->savePP_CONTROL & POWER_TARGET_ON)
 	i830SetLVDSPanelPower(output, TRUE);
     else