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WARNING: very minimally tested
In general you should not need this tool. Its primary purpose is for
benchmarking, and for debugging performance issues.
For many kernel releases now sysfs has supported reading and writing the GPU
frequency. Therefore, this tool provides no new functionality. What it does
provide is an easy to package (for distros) tool that handles the most common
scenarios.
v2:
Get rid of -f from the usage message (Jordan)
Add space before [-s (Jordan)
Add a -c/--custom example (Jordan)
Add a setting for resetting to hardware default (Ken)
Replicate examples in commit message in the source code. (me)
v3:
Its not It's (me)
Add --help/-h to usage
Add Version + man page
Rename tool to intel_gpu_frequency, from intel_frequency
Remove "sudo" from the examples
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Cc: Kenneth Graunke <kenneth@whitecape.org>
Here are some sample usages:
$ intel_gpu_frequency --get=cur,min,max,eff
cur: 200 MHz
min: 200 MHz
RP1: 200 MHz
max: 1200 MHz
$ intel_gpu_frequency -g
cur: 200 MHz
min: 200 MHz
RP1: 200 MHz
max: 1200 MHz
$ intel_gpu_frequency -geff
RP1: 200 MHz
$ intel_gpu_frequency --set min=300
$ intel_gpu_frequency --get min
cur: 300 MHz
min: 300 MHz
RP1: 200 MHz
max: 1200 MHz
$ intel_gpu_frequency --custom max=900
$ intel_gpu_frequency --get max
cur: 300 MHz
min: 300 MHz
RP1: 200 MHz
max: 900 MHz
$ intel_gpu_frequency --max
$ intel_gpu_frequency -g
cur: 1200 MHz
min: 1200 MHz
RP1: 200 MHz
max: 1200 MHz
$ intel_gpu_frequency -e
$ intel_gpu_frequency -g
cur: 200 MHz
min: 200 MHz
RP1: 200 MHz
max: 200 MHz
$ intel_gpu_frequency --max
$ intel_gpu_frequency -g
cur: 1200 MHz
min: 1200 MHz
RP1: 200 MHz
max: 1200 MHz
$ intel_gpu_frequency --min
$ intel_gpu_frequency -g
cur: 200 MHz
min: 200 MHz
RP1: 200 MHz
max: 200 MHz
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This is a command-line tool that allows us to display and modify the
InfoFrames we send.
v2: use argv instead of stdin
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The tool allows you to change the panel fitter settings, so you can
change the size of the screen being displayed on your monitor without
changing the real pixel size of your desktop. The biggest use case for
this tool is to work around overscan done by TVs and some monitors in
interlaced mode.
v2: reviews by Ben, Chris and Rodrigo
- don't install
- use intel_register_access_init
- check for maximum X and Y values
- add a disclaimer saying this is not the real solution
- print less when pf is disabled and option '-l' is used
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The patch coverts the man subdir to the standard xorg man page makefile.
The version number is automatically updated when a new release is made.
The man page section number is no longer hard coded either.
The package util-macros at version 1.8 or greater is required.
Acked-by: Cyril Brulebois <kibi@debian.org>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Gaetan Nadon <memsize@videotron.ca>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This is getting a bit hilarious ...
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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A rudimentary manpage based on intel_gpu_dump for the simple tool
for the post-processing of i915_error_state, intel_error_decode.
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We've used it several times in bringing up the AGP driver, so it seems
useful to have aronud.
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