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authorKyösti Mälkki <kyosti.malkki@gmail.com>2012-07-27 08:42:20 +0300
committerAnton Kochkov <anton.kochkov@gmail.com>2012-07-27 15:54:08 +0200
commit6ff1d36a4762365cdbc109d0c07778bfdd56dbaf (patch)
tree3770375013ca70a185754533f9b663cd54cd333a /util/kconfig/lxdialog/yesno.c
parent26e441f5bc381ec0fc476e4f78b4925a400c558c (diff)
Intel and GFXUMA: fix MTRR and use uma_resource()
Commit 2d42b340034ff005693482ef9ca34ce3e0f08371 changed the variable MTRR setup and removed compensation of uma_memory_size in the cacheable memory resources. Since the cacheable region size was no longer divisible by a large power of 2, like 256 MB, this caused excessive use of MTRRs. As first symptoms, slow boot with grub and poor user response. As a solution, register the actual top of low ram with ram_resource(), and do not subtract the UMA/TSEG regions from it. TSEG may require further work as the original did not appear exactly right to begin with. To have UMA as un-cacheable, use uma_resource(). Change-Id: I4ca99b5c2ca4e474296590b3d0c6ef5d09550d80 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/1239 Reviewed-by: Anton Kochkov <anton.kochkov@gmail.com> Tested-by: build bot (Jenkins)
Diffstat (limited to 'util/kconfig/lxdialog/yesno.c')
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