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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2019-01-14 15:21:25 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-01-14 17:18:38 +0100 |
| commit | 25c896bdb8dc8b90e8f4d477185780596fe42bbe (patch) | |
| tree | 73618defbad16d50394e02d0faa269d7473a6631 /drivers/gpu/drm/i915/intel_dp.c | |
| parent | drm/i915: Markup paired operations on display power domains (diff) | |
| download | linux-25c896bdb8dc8b90e8f4d477185780596fe42bbe.tar.xz linux-25c896bdb8dc8b90e8f4d477185780596fe42bbe.zip | |
drm/i915: Track the wakeref used to initialise display power domains
On module load and unload, we grab the POWER_DOMAIN_INIT powerwells and
transfer them to the runtime-pm code. We can use our wakeref tracking to
verify that the wakeref is indeed passed from init to enable, and
disable to fini; and across suspend.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190114142129.24398-17-chris@chris-wilson.co.uk
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