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-rw-r--r--Documentation/kernel-parameters.txt15
1 files changed, 9 insertions, 6 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 1d6f0459cd7b..caf0fd4cdecd 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -927,11 +927,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
The filter can be disabled or changed to another
driver later using sysfs.
- drm_kms_helper.edid_firmware=[<connector>:]<file>
- Broken monitors, graphic adapters and KVMs may
- send no or incorrect EDID data sets. This parameter
- allows to specify an EDID data set in the
- /lib/firmware directory that is used instead.
+ drm_kms_helper.edid_firmware=[<connector>:]<file>[,[<connector>:]<file>]
+ Broken monitors, graphic adapters, KVMs and EDIDless
+ panels may send no or incorrect EDID data sets.
+ This parameter allows to specify an EDID data sets
+ in the /lib/firmware directory that are used instead.
Generic built-in EDID data sets are used, if one of
edid/1024x768.bin, edid/1280x1024.bin,
edid/1680x1050.bin, or edid/1920x1080.bin is given
@@ -940,7 +940,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
available in Documentation/EDID/HOWTO.txt. An EDID
data set will only be used for a particular connector,
if its name and a colon are prepended to the EDID
- name.
+ name. Each connector may use a unique EDID data
+ set by separating the files with a comma. An EDID
+ data set with no connector name will be used for
+ any connectors not explicitly specified.
dscc4.setup= [NET]

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