diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_gt_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_gt_pm.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_pm.c b/drivers/gpu/drm/i915/gt/intel_gt_pm.c index aa6cf0152ce7..6ba0d2069f87 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_pm.c +++ b/drivers/gpu/drm/i915/gt/intel_gt_pm.c @@ -124,6 +124,42 @@ void intel_gt_sanitize(struct intel_gt *gt, bool force) __intel_engine_reset(engine, false); } +static bool is_mock_device(const struct intel_gt *gt) +{ + return I915_SELFTEST_ONLY(gt->awake == -1); +} + +void intel_gt_pm_enable(struct intel_gt *gt) +{ + struct intel_engine_cs *engine; + enum intel_engine_id id; + + /* Powersaving is controlled by the host when inside a VM */ + if (intel_vgpu_active(gt->i915)) + return; + + if (is_mock_device(gt)) + return; + + intel_gt_pm_get(gt); + + for_each_engine(engine, gt->i915, id) { + intel_engine_pm_get(engine); + engine->serial++; /* force kernel context reload */ + intel_engine_pm_put(engine); + } + + intel_gt_pm_put(gt); +} + +void intel_gt_pm_disable(struct intel_gt *gt) +{ + if (is_mock_device(gt)) + return; + + intel_sanitize_gt_powersave(gt->i915); +} + int intel_gt_resume(struct intel_gt *gt) { struct intel_engine_cs *engine; |