linux-kernel - Re: [PATCH v2] OMAPDSS: DISPC: Fix 34xx overlay scaling calculation

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Message-ID: <52D4F13D.6080905@ti.com>
Date:	Tue, 14 Jan 2014 10:11:41 +0200
From:	Tomi Valkeinen <tomi.valkeinen@...com>
To:	Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>
CC:	<archit@...com>, <plagnioj@...osoft.com>, <pali.rohar@...il.com>,
	<pavel@....cz>, <linux-omap@...r.kernel.org>,
	<linux-fbdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	Ivaylo Dimitrov <freemangordon@....bg>
Subject: Re: [PATCH v2] OMAPDSS: DISPC: Fix 34xx overlay scaling calculation

On 2014-01-13 18:33, Ivaylo Dimitrov wrote:
> From: Ivaylo Dimitrov <freemangordon@....bg>
> 
> commit 7faa92339bbb1e6b9a80983b206642517327eb75 OMAPDSS: DISPC: Handle
> synclost errors in OMAP3 introduces limits check to prevent SYNCLOST errors
> on OMAP3. However, it misses the logic found in Nokia kernels that is
> needed to correctly calculate whether 3 tap or 5 tap rescaler to be used as
> well as the logic to fallback to 3 taps if 5 taps clock results in too
> tight horizontal timings. Without that patch "horizontal timing too tight"
> errors are seen when a video with resolution above 640x350 is tried to be
> played. The patch is a forward-ported logic found in Nokia N900 and N9/50
> kernels.
> 
> Signed-off-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>

Queued for 3.14.

 Tomi



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