diff --git a/src/i830_lvds.c b/src/i830_lvds.c
index 064810f..284f521 100644
--- a/src/i830_lvds.c
+++ b/src/i830_lvds.c
@@ -672,6 +672,8 @@ i830_lvds_mode_fixup(xf86OutputPtr output, DisplayModePtr mode,
     desired_ratio = (float)mode->HDisplay /
 	(float)mode->VDisplay;
 
+    xf86DrvMsg(pScrn->scrnIndex, X_ERROR,"native ratio: %f, desired ratio: %f\n", panel_ratio, desired_ratio);
+
     /*
      * Enable automatic panel scaling for non-native modes so that they fill
      * the screen.  Should be enabled before the pipe is enabled, according to
@@ -747,6 +749,10 @@ i830_lvds_mode_fixup(xf86OutputPtr output, DisplayModePtr mode,
 	    if (panel_ratio > desired_ratio) { /* Pillar */
 		unsigned long scaled_width = (float)mode->HDisplay * vert_scale;
 
+		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,"pillarbox scaling\n");
+
+		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,"scaled_width: %ld\n", scaled_width);
+
 		horiz_ratio = vert_ratio;
 		pfit_control |= VERT_AUTO_SCALE | VERT_INTERP_BILINEAR |
 		    HORIZ_INTERP_BILINEAR;
@@ -758,18 +764,39 @@ i830_lvds_mode_fixup(xf86OutputPtr output, DisplayModePtr mode,
 		if (mode->HDisplay & 1) /* odd resolutions */
 		    right_border++;
 
+		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,"left border %d, right border %d\n", left_border,
+		       right_border);
+
 		adjusted_mode->CrtcHDisplay = scaled_width;
 		adjusted_mode->CrtcHBlankStart = scaled_width +
 		    right_border - 1;
 		adjusted_mode->CrtcHBlankEnd = adjusted_mode->CrtcHTotal -
 		    left_border - 1;
-		adjusted_mode->CrtcHSyncStart = adjusted_mode->CrtcHBlankStart;
-		adjusted_mode->CrtcHSyncEnd = adjusted_mode->CrtcHBlankEnd;
+		adjusted_mode->CrtcHSyncStart = adjusted_mode->CrtcHBlankStart + 1;
+		adjusted_mode->CrtcHSyncEnd = adjusted_mode->CrtcHBlankEnd - 1;
+
+		/* Even out the timings for dual-channel configs */
+		adjusted_mode->CrtcHBlankStart += adjusted_mode->CrtcHBlankStart & 1;
+		adjusted_mode->CrtcHBlankEnd += adjusted_mode->CrtcHBlankEnd & 1;
+		adjusted_mode->CrtcHSyncStart += adjusted_mode->CrtcHSyncStart & 1;
+		adjusted_mode->CrtcHSyncEnd += adjusted_mode->CrtcHSyncEnd & 1;
+
+		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,"mapping %dx%d to %dx%d\n",
+		       mode->HDisplay, mode->VDisplay,
+		       adjusted_mode->HDisplay, adjusted_mode->VDisplay);
+
+		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,"CRTC timings: %d %d %d %d %d\n",
+		       adjusted_mode->CrtcHDisplay, adjusted_mode->CrtcHBlankStart,
+		       adjusted_mode->CrtcHBlankEnd, adjusted_mode->CrtcHSyncStart,
+		       adjusted_mode->CrtcHSyncEnd);
+
 		border = 1;
 	    } else if (panel_ratio < desired_ratio) { /* Letter */
 		unsigned long scaled_height = (float)mode->VDisplay *
 		    horiz_scale;
 
+		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,"letterbox scaling\n");
+
 		vert_ratio = horiz_ratio;
 		pfit_control |= HORIZ_AUTO_SCALE | VERT_INTERP_BILINEAR |
 		    HORIZ_INTERP_BILINEAR;
@@ -801,6 +828,8 @@ i830_lvds_mode_fixup(xf86OutputPtr output, DisplayModePtr mode,
 				PFIT_VERT_SCALE_MASK) |
 			       ((horiz_bits << PFIT_HORIZ_SCALE_SHIFT) &
 				PFIT_HORIZ_SCALE_MASK));
+	    xf86DrvMsg(pScrn->scrnIndex, X_ERROR,"pfit ratios: vertical 0x%08x, horizontal 0x%08x\n",
+		   vert_bits, horiz_bits);
 	}
 	break;
     case FULL: