diff --git a/src/atombios_crtc.c b/src/atombios_crtc.c
index 2297316..a28363d 100644
--- a/src/atombios_crtc.c
+++ b/src/atombios_crtc.c
@@ -156,8 +156,7 @@ atombios_crtc_set_pll(xf86CrtcPtr crtc, DisplayModePtr mode)
     unsigned char *RADEONMMIO = info->MMIO;
     int index = GetIndexIntoMasterTable(COMMAND, SetPixelClock);
     CARD32 sclock = mode->Clock;
-    uint16_t ref_div = 0, fb_div = 0;
-    uint8_t post_div = 0;
+    CARD32 ref_div = 0, fb_div = 0, post_div = 0;
     int major, minor;
     SET_PIXEL_CLOCK_PS_ALLOCATION spc_param;
     void *ptr;
@@ -167,17 +166,17 @@ atombios_crtc_set_pll(xf86CrtcPtr crtc, DisplayModePtr mode)
 
     if (IS_AVIVO_VARIANT) {
 	CARD32 temp;
-	RADEONComputePLL(&info->pll, mode->Clock * 1000, &sclock, &fb_div, &ref_div, &post_div);
-	sclock /= 1000;
+	RADEONComputePLL(&info->pll, mode->Clock * 1000, &temp, &fb_div, &ref_div, &post_div);
+	sclock = temp / 1000;
 
 	/* disable spread spectrum clocking for now -- thanks Hedy Lamarr */
 	if (radeon_crtc->crtc_id == 0) {
-            temp = INREG(AVIVO_P1PLL_INT_SS_CNTL);
-            OUTREG(AVIVO_P1PLL_INT_SS_CNTL, temp & ~1);
-        } else {
-            temp = INREG(AVIVO_P2PLL_INT_SS_CNTL);
-            OUTREG(AVIVO_P2PLL_INT_SS_CNTL, temp & ~1);
-        }
+	    temp = INREG(AVIVO_P1PLL_INT_SS_CNTL);
+	    OUTREG(AVIVO_P1PLL_INT_SS_CNTL, temp & ~1);
+	} else {
+	    temp = INREG(AVIVO_P2PLL_INT_SS_CNTL);
+	    OUTREG(AVIVO_P2PLL_INT_SS_CNTL, temp & ~1);
+	}
     } else {
 	sclock = save->dot_clock_freq * 10;
 	fb_div = save->feedback_div;
@@ -186,10 +185,10 @@ atombios_crtc_set_pll(xf86CrtcPtr crtc, DisplayModePtr mode)
     }
 
     xf86DrvMsg(crtc->scrn->scrnIndex, X_INFO,
-	       "crtc(%d) Clock: mode %d, PLL %d\n",
+	       "crtc(%d) Clock: mode %d, PLL %u\n",
 	       radeon_crtc->crtc_id, mode->Clock, sclock);
     xf86DrvMsg(crtc->scrn->scrnIndex, X_INFO,
-	       "crtc(%d) PLL  : refdiv %d, fbdiv 0x%X(%d), pdiv %d\n",
+	       "crtc(%d) PLL  : refdiv %u, fbdiv 0x%X(%u), pdiv %u\n",
 	       radeon_crtc->crtc_id, ref_div, fb_div, fb_div, post_div);
 
     atombios_get_command_table_version(info->atomBIOS, index, &major, &minor);
diff --git a/src/radeon_crtc.c b/src/radeon_crtc.c
index 45eb1ac..611c9ab 100644
--- a/src/radeon_crtc.c
+++ b/src/radeon_crtc.c
@@ -690,10 +690,10 @@ RADEONComputePLL(RADEONPLLPtr pll,
 	}
     }
 
-    ErrorF("best_freq: %d\n", best_freq);
-    ErrorF("best_feedback_div: %d\n", best_feedback_div);
-    ErrorF("best_ref_div: %d\n", best_ref_div);
-    ErrorF("best_post_div: %d\n", best_post_div);
+    ErrorF("best_freq: %u\n", best_freq);
+    ErrorF("best_feedback_div: %u\n", best_feedback_div);
+    ErrorF("best_ref_div: %u\n", best_ref_div);
+    ErrorF("best_post_div: %u\n", best_post_div);
 
     *chosen_dot_clock_freq = best_freq;
     *chosen_feedback_div = best_feedback_div;