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authorMark Brown <broonie@kernel.org>2017-08-21 19:32:58 +0100
committerMark Brown <broonie@kernel.org>2017-08-21 19:32:58 +0100
commit6329b1bb4e691b24e51ea940b3c2cffd402bd5f8 (patch)
tree1e01171ec074d83637f3249a64c179b2147e8e4b /Documentation/fb
parent702992387b759828f58e52f660acb284b3069944 (diff)
parent14ccee78fc82f5512908f4424f541549a5705b89 (diff)
Merge tag 'v4.13-rc6' into asoc-msm8916
Linux 4.13-rc6
Diffstat (limited to 'Documentation/fb')
-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>