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authorDavid S. Miller <davem@davemloft.net>2017-08-15 20:23:23 -0700
committerDavid S. Miller <davem@davemloft.net>2017-08-15 20:23:23 -0700
commit463910e2dff580e4e9a678af710b4818b5189691 (patch)
tree21b4e53cdbec7e5a537ddfc1598fbf17deae57e2 /Documentation
parent22cb7a3ac380ecaab6837670963813599b123a53 (diff)
parent510c8a899caf095cb13d09d203573deef15db2fe (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/fb/efifb.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/fb/efifb.txt b/Documentation/fb/efifb.txt
index a59916c29b33..1a85c1bdaf38 100644
--- a/Documentation/fb/efifb.txt
+++ b/Documentation/fb/efifb.txt
@@ -27,5 +27,11 @@ You have to add the following kernel parameters in your elilo.conf:
Macbook Pro 17", iMac 20" :
video=efifb:i20
+Accepted options:
+
+nowc Don't map the framebuffer write combined. This can be used
+ to workaround side-effects and slowdowns on other CPU cores
+ when large amounts of console data are written.
+
--
Edgar Hucek <gimli@dark-green.com>