From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Warren <swarren@wwwdotorg.org>
Date: Fri, 10 Jul 2015 23:24:58 -0600
Subject: [U-Boot] [PATCH 5/5] arm/rpi: Enable dcache
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 <1436003324-8769-6-git-send-email-alexanders83@web.de>
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On 07/04/2015 03:48 AM, Alexander Stein wrote:
> Now that mailbox driver supports cache flush and invalidation, we can
> enable dcache.

Did you also test that HDMI output doesn't show any issues after this
change? I think there's already cache-flushing in the LCD console code,
so it should be fine, but best to check.