linux-kernel - [PATCH 4.0 107/148] ARM: dts: set display clock correctly for exynos4412-trats2

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Date:	Wed,  3 Jun 2015 21:09:37 +0900
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Inki Dae <inki.dae@...sung.com>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Kukjin Kim <kgene@...nel.org>
Subject: [PATCH 4.0 107/148] ARM: dts: set display clock correctly for exynos4412-trats2

4.0-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Inki Dae <inki.dae@...sung.com>

commit 242ddf04297f2c4768bd8eb7593ab911910c5f76 upstream.

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.

 exynos-drm: No connectors reported connected with modes
 [drm] Cannot find any crtc or sizes - going 1024x768

Fixes: abc0b1447d49 ("drm: Perform basic sanity checks on probed modes")
Signed-off-by: Inki Dae <inki.dae@...sung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
Tested-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
Signed-off-by: Kukjin Kim <kgene@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/arm/boot/dts/exynos4412-trats2.dts |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/arm/boot/dts/exynos4412-trats2.dts
+++ b/arch/arm/boot/dts/exynos4412-trats2.dts
@@ -736,7 +736,7 @@
 
 			display-timings {
 				timing-0 {
-					clock-frequency = <0>;
+					clock-frequency = <57153600>;
 					hactive = <720>;
 					vactive = <1280>;
 					hfront-porch = <5>;


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