diff options
author | Aaron Durbin <adurbin@chromium.org> | 2013-03-22 22:23:05 -0500 |
---|---|---|
committer | Stefan Reinauer <stefan.reinauer@coreboot.org> | 2013-03-29 20:00:25 +0100 |
commit | fcfe67c3b2b3391a8131eb26cc546a9afaa28822 (patch) | |
tree | 04c0910f9cfcf2821ff296aab31c428d11ab99a6 /src/northbridge/intel/haswell/Kconfig | |
parent | 77a5b4046ab7e7bee887990b342a7356554fd391 (diff) |
haswell: add option to mark graphics memory write-combining.
The graphics memory can be accessed in a faster manner by
setting it to write-combing mode. Add an option to enable
write-combining for the graphics memory.
Change-Id: I797fcd9f0dfb074f9e45476773acbfe614eb4b0a
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/2893
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/northbridge/intel/haswell/Kconfig')
-rw-r--r-- | src/northbridge/intel/haswell/Kconfig | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/northbridge/intel/haswell/Kconfig b/src/northbridge/intel/haswell/Kconfig index f68978040f..12f865a2e3 100644 --- a/src/northbridge/intel/haswell/Kconfig +++ b/src/northbridge/intel/haswell/Kconfig @@ -82,6 +82,14 @@ config DCACHE_RAM_ROMSTAGE_STACK_SIZE The amount of anticipated stack usage from the data cache during pre-ram rom stage execution. +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. + config HAVE_MRC bool "Add a System Agent binary" help |