This patch sets display clock correctly. If Display clock isn't set correctly then you would find below messages and Display controller doesn't work correctly since a patch[1] exynos-drm: No connectors reported connected with modes [drm] Cannot find any crtc or sizes - going 1024x768 [1] commit abc0b1447d49 ("drm: Perform basic sanity checks on probed modes") Signed-off-by: Inki Dae <inki.dae@xxxxxxxxxxx> --- arch/arm/boot/dts/exynos4412-trats2.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/exynos4412-trats2.dts b/arch/arm/boot/dts/exynos4412-trats2.dts index 29231b4..1ec4d33 100644 --- a/arch/arm/boot/dts/exynos4412-trats2.dts +++ b/arch/arm/boot/dts/exynos4412-trats2.dts @@ -691,7 +691,7 @@ display-timings { timing-0 { - clock-frequency = <0>; + clock-frequency = <57153600>; hactive = <720>; vactive = <1280>; hfront-porch = <5>; -- 1.7.9.5 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel