linux-kernel - [PATCH v4 10/26] ARM: pxa: magician: Optimize Samsung LCD refresh to 50Hz

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Message-ID: <5609B1DC.2040703@tul.cz>
Date:	Mon, 28 Sep 2015 23:32:12 +0200
From:	Petr Cvek <petr.cvek@....cz>
To:	robert.jarzmik@...e.fr, philipp.zabel@...il.com, daniel@...que.org,
	haojian.zhuang@...il.com, linux@....linux.org.uk
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v4 10/26] ARM: pxa: magician: Optimize Samsung LCD refresh to
 50Hz

Change the default Samsung LCD refresh from an unrealistic 117Hz to 50Hz
as no video applications on the HTC Magician can work that fast.

The optimalization lowers the RAM latency at least by 3%.

Signed-off-by: Petr Cvek <petr.cvek@....cz>
---
 arch/arm/mach-pxa/magician.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c
index 14d1f55..2c487ae 100644
--- a/arch/arm/mach-pxa/magician.c
+++ b/arch/arm/mach-pxa/magician.c
@@ -317,7 +317,7 @@ static struct pxafb_mode_info toppoly_modes[] = {
 
 static struct pxafb_mode_info samsung_modes[] = {
 	{
-		.pixclock	= 96153,
+		.pixclock	= 226469,
 		.bpp		= 16,
 		.xres		= 240,
 		.yres		= 320,
-- 
1.7.12.1

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