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lib: extract igt_open_forcewake_handle

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... and I immediately regret that I've killed the return value
for igt_debugfs_init, since we have callers which need to work
without the forcewake stuff, e.g. the reg dumper needs to work
without i915 loaded.

Put this new helper to good use in the mmio code and the pm_pc8
testcase.

Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter
2014-03-14 16:00:22 +01:00
parent 553d594b6e
commit ea18fc16cd
4 changed files with 45 additions and 58 deletions
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lib/igt_debugfs.h
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@@ -154,5 +154,6 @@ void igt_drop_caches_set(uint64_t val);
void igt_disable_prefault(void);
void igt_enable_prefault(void);
int igt_open_forcewake_handle(void);
#endif /* __IGT_DEBUGFS_H__ */