BackMerge tag 'v4.15-rc8' into drm-next

Linux 4.15-rc8

Daniel requested this for so the intel CI won't fall over on drm-next
so often.

drivers/gpu/drm/tegra/sor.c

@@ -3048,6 +3048,7 @@ static int tegra_sor_probe(struct platform_device *pdev)
 			goto remove;
 		}
 	} else {
+		/* fall back to the module clock on SOR0 (eDP/LVDS only) */
 		sor->clk_out = sor->clk;
 	}