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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2019-01-14 17:21:25 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-01-14 19:18:38 +0300 |
| commit | 25c896bdb8dc8b90e8f4d477185780596fe42bbe (patch) | |
| tree | 73618defbad16d50394e02d0faa269d7473a6631 /drivers/gpu/drm/i915/i915_drv.h | |
| parent | 0e6e0be4c952372cc4c3f30bb8ddf9451f314503 (diff) | |
| download | linux-25c896bdb8dc8b90e8f4d477185780596fe42bbe.tar.xz | |
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
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 0aedbb88eb5b..97200411dfad 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -822,6 +822,8 @@ struct i915_power_domains { bool display_core_suspended; int power_well_count; + intel_wakeref_t wakeref; + struct mutex lock; int domain_use_count[POWER_DOMAIN_NUM]; struct i915_power_well *power_wells; |