diff options
| author | Jani Nikula <jani.nikula@intel.com> | 2016-05-03 15:40:13 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2016-05-12 14:05:28 +0300 |
| commit | be5864ee1d9765d00a342b34f3e87836d7e509e3 (patch) | |
| tree | 8e911bef563b9811645c899678b47ec2f086cd78 /man | |
| parent | b4f96db92d1469f8b41f82557b198c838803e9a1 (diff) | |
man: update intel_bios_reader man page
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'man')
| -rw-r--r-- | man/intel_bios_reader.rst | 48 |
1 files changed, 40 insertions, 8 deletions
diff --git a/man/intel_bios_reader.rst b/man/intel_bios_reader.rst index 7024f4de..0e935904 100644 --- a/man/intel_bios_reader.rst +++ b/man/intel_bios_reader.rst @@ -2,9 +2,9 @@ intel_bios_reader ================= --------------------------------------------------- -Parse an Intel BIOS and display many of its tables --------------------------------------------------- +----------------------------- +Intel Video BIOS Table parser +----------------------------- .. include:: defs.rst :Author: Intel Graphics for Linux <intel-gfx@lists.freedesktop.org> :Date: 2016-03-01 @@ -16,15 +16,47 @@ Parse an Intel BIOS and display many of its tables SYNOPSIS ======== -**intel_bios_reader** *FILENAME* +**intel_bios_reader** [*OPTIONS*] DESCRIPTION =========== -**intel_bios_reader** is a tool to parse the contents of an Intel video BIOS -file. The file can come from **intel_bios_dumper(1)**. This can be used for -quick debugging of video bios table handling, which is harder when done inside -of the kernel graphics driver. +**intel_bios_reader** is a tool to parse the Intel Video BIOS Tables (VBT) and +present the information in a human readable format. + +The preferred ways of getting the binary VBT to parse are: + +1) /sys/kernel/debug/dri/0/i915_vbt (since kernel version 4.5) + +2) /sys/kernel/debug/dri/0/i915_opregion + +3) Using the **intel_bios_dumper(1)** tool. + +The VBT consists of a VBT header, a BIOS Data Block (BDB) header, and a number +of BIOS Data Blocks. + +OPTIONS +======= + +--file=FILE + Parse Video BIOS Tables from FILE. + +--devid=DEVID + Pretend to be PCI ID DEVID. Some details can be parsed more accurately if + the platform is known. + +--panel-type=N + Parse the details for flat panel N. Usually this is retrieved from the Video + BIOS Tables, but this can be used to override. + +--all-panels + Parse the details for all flat panels present in the Video BIOS Tables. + +--hexdump + Hex dump the blocks. + +--block=N + Dump only the BIOS Data Block number N. REPORTING BUGS ============== |