diff --git a/[refs] b/[refs]
index bc415a56265b..689ad43dbc20 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ff3f011cd859072b5d6e64c0b968cff9bfdc0b37
+refs/heads/master: 5099fa7f23d3711538cbe9fe072b4ce1ba814035
diff --git a/trunk/drivers/gpu/drm/radeon/radeon_atombios.c b/trunk/drivers/gpu/drm/radeon/radeon_atombios.c
index 99bd8a9c56b3..125155af8881 100644
--- a/trunk/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/trunk/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -1029,8 +1029,15 @@ bool radeon_atombios_sideport_present(struct radeon_device *rdev)
 				      data_offset);
 		switch (crev) {
 		case 1:
-			if (igp_info->info.ucMemoryType & 0xf0)
-				return true;
+			/* AMD IGPS */
+			if ((rdev->family == CHIP_RS690) ||
+			    (rdev->family == CHIP_RS740)) {
+				if (igp_info->info.ulBootUpMemoryClock)
+					return true;
+			} else {
+				if (igp_info->info.ucMemoryType & 0xf0)
+					return true;
+			}
 			break;
 		case 2:
 			if (igp_info->info_2.ucMemoryType & 0x0f)