This app is required for debug features which seem to (undocumented)
reset themselves if/when the GT goes to sleep.
It is also useful for those doing general debugging or profiling from
userspace when they do not wish to have the GT sleep.
v2: made forcewaked more daemon-like
Cc: Chris Wilson <chris@chris-wilson.co.uk>
The decode for A8 is incomplete and died with a segfault. First hide the
segfault, latter fix the pretty printing.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Some versions of libpciaccess on Linux set rom_size to 0 for VGA
devices. While this behavior may change, intel_bios_dumper should
handle this situation to be compatible with current versions of the
library.
This fixes segmentation faults on affected systems.
Signed-off-by: Forest Bond <forest.bond@rapidrollout.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
intel_bios_reader.c: In function ‘dump_backlight_info’:
intel_bios_reader.c:192:22: warning: format ‘%lu’ expects argument of type ‘long unsigned int’, but argument 2 has type ‘unsigned int’ [-Wformat]
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
intel_disable_clock_gating.c: In function ‘main’:
intel_disable_clock_gating.c:38:11: warning: unused variable ‘temp’ [-Wunused-variable]
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
It has been supersede by intel_error_decode for the user-facing role of
obtaining debug info after a crash.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
The maximum filename is limited so we can simply use a large buffer
rather than fail to check the error return from asprintf.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Stops the compiler warning about not checking the potential error return
from asprintf, which was a false positive anyway.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This is vital in a multi-GPU system so that we only test the Intel card
and not the discrete GPUs.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Some of our device class defines were incorrect, and we were missing
several recent ones, so fix those up and dump more child device data if
we have it.
This is something I sometimes want to do in testing, to see if a
mystery bug (say, 29172) is due to broken clock gating. Sadly, in
this case it isn't. Note that it isn't supported on non-ILK chipsets
yet.
Useful for feeding in compressed files from bugzilla:
$ bzcat /tmp/i915_error_state.bz | intel_error_decode | less
Next step would be to use gzfopen or bzfopen to automagically handle
compressed files...
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
