diff --git a/drivers/video/sis/sis_main.c b/drivers/video/sis/sis_main.c
index 10d190a58bc3..fa8f01c534b5 100644
--- a/drivers/video/sis/sis_main.c
+++ b/drivers/video/sis/sis_main.c
@@ -1388,15 +1388,15 @@ sisfb_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue,
 
 	switch(info->var.bits_per_pixel) {
 	case 8:
-		outSISREG(SISDACA, regno);
-		outSISREG(SISDACD, (red >> 10));
-		outSISREG(SISDACD, (green >> 10));
-		outSISREG(SISDACD, (blue >> 10));
+		SiS_SetRegByte(SISDACA, regno);
+		SiS_SetRegByte(SISDACD, (red >> 10));
+		SiS_SetRegByte(SISDACD, (green >> 10));
+		SiS_SetRegByte(SISDACD, (blue >> 10));
 		if(ivideo->currentvbflags & VB_DISPTYPE_DISP2) {
-			outSISREG(SISDAC2A, regno);
-			outSISREG(SISDAC2D, (red >> 8));
-			outSISREG(SISDAC2D, (green >> 8));
-			outSISREG(SISDAC2D, (blue >> 8));
+			SiS_SetRegByte(SISDAC2A, regno);
+			SiS_SetRegByte(SISDAC2D, (red >> 8));
+			SiS_SetRegByte(SISDAC2D, (green >> 8));
+			SiS_SetRegByte(SISDAC2D, (blue >> 8));
 		}
 		break;
 	case 16:
@@ -4999,11 +4999,11 @@ sisfb_post_xgi(struct pci_dev *pdev)
 
 	/* VGA enable */
 	reg = SiS_GetRegByte(SISVGAENABLE) | 0x01;
-	outSISREG(SISVGAENABLE, reg);
+	SiS_SetRegByte(SISVGAENABLE, reg);
 
 	/* Misc */
 	reg = SiS_GetRegByte(SISMISCR) | 0x01;
-	outSISREG(SISMISCW, reg);
+	SiS_SetRegByte(SISMISCW, reg);
 
 	/* Unlock SR */
 	outSISIDXREG(SISSR, 0x05, 0x86);