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authorRonald G. Minnich <rminnich@gmail.com>2013-05-31 19:36:52 +0200
committerRonald G. Minnich <rminnich@gmail.com>2013-06-04 22:36:03 +0200
commita296ce75e304dcf163a770e3dc6ca580b7a61d29 (patch)
tree5ad1b4dc9a1f1f7150fb232538ff878e652d4cd4 /src/arch/x86
parent873965e2a7771e9f040b4bbb18bdb9a27ee2bb09 (diff)
Move the MARK_GRAPHICS_MEM_WRCOMB to x86 architecture
The MARK_GRAPHICS_MEM_WRCOMB was spreading like a cancer since it was defined in sandybridge. It is really more of an x86 thing however, and we now have three systems that can use it. I considered making this more general, since it technically can apply to PTE-based systems like ARM, and maybe we should. But the 'WRCOMB' moniker is usually closely tied to the x86. Change-Id: I3eb6eb2113843643348a5e18e78c53d113899ff8 Signed-off-by: Ronald G. Minnich <rminnich@gmail.com> Reviewed-on: http://review.coreboot.org/3349 Tested-by: build bot (Jenkins)
Diffstat (limited to 'src/arch/x86')
-rw-r--r--src/arch/x86/Kconfig8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/arch/x86/Kconfig b/src/arch/x86/Kconfig
index c7b2434721..69cdc8a5a4 100644
--- a/src/arch/x86/Kconfig
+++ b/src/arch/x86/Kconfig
@@ -1,5 +1,13 @@
menu "Architecture (x86)"
+config MARK_GRAPHICS_MEM_WRCOMB
+ bool "Mark graphics memory as write-combining."
+ default n
+ help
+ The graphics performance may increase if the graphics
+ memory is set as write-combining cache type. This option
+ enables marking the graphics memory as write-combining.
+
# This is an SMP option. It relates to starting up APs.
# It is usually set in mainboard/*/Kconfig.
# TODO: Improve description.