diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 1bf6122..0b10b0e 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -728,7 +728,7 @@
 			/* if the default dcpll clock is specified,
 			 * SetPixelClock provides the dividers
 			 */
-			args.v6.ulDispEngClkFreq = dispclk;
+			args.v6.ulDispEngClkFreq = cpu_to_le32(dispclk);
 			args.v6.ucPpll = ATOM_DCPLL;
 			break;
 		default: