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authorStefan Reinauer <reinauer@chromium.org>2013-05-20 15:24:13 -0700
committerStefan Reinauer <stefan.reinauer@coreboot.org>2013-07-10 21:46:46 +0200
commit2d8112523aa04bca3f4d56d6ba1660082bf279b5 (patch)
treeaa1113288877954dc953113d3176703063c937e7 /src/arch/x86/lib
parent6c184d6855a11d42f9d77bc9ddb8dfeb608072b6 (diff)
exynos5420: Clear the framebuffer before making it uncacheable
If we clear the framebuffer and then flush it back to memory using cache operations, the writes are going to be full cachelines at a time. If we make it uncacheable first, the writes will be serialized writes of whatever sized chunks memset uses, probably 4 bytes or less. Change-Id: I960f87a370e97f9e91236ad796d931573bb3dbb8 Signed-off-by: Stefan Reinauer <reinauer@chromium.org> Signed-off-by: Gabe Black <gabeblack@chromium.org> Reviewed-on: http://review.coreboot.org/3668 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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