linux-kernel - [PATCH 3.19.y-ckt 018/102] ARM: dts: set display clock correctly for exynos4412-trats2

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Date:	Tue,  7 Jul 2015 11:22:08 -0700
From:	Kamal Mostafa <kamal@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Inki Dae <inki.dae@...sung.com>, Kukjin Kim <kgene@...nel.org>,
	Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 3.19.y-ckt 018/102] ARM: dts: set display clock correctly for exynos4412-trats2

3.19.8-ckt3 -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: Kamal Mostafa <kamal@...onical.com>
---
 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>;
-- 
1.9.1

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