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 | 40 |
1 files changed, 24 insertions, 16 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_pm.c b/drivers/gpu/drm/i915/gt/intel_gt_pm.c index 65c0d0c9d543..1363e069ec83 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_pm.c +++ b/drivers/gpu/drm/i915/gt/intel_gt_pm.c @@ -17,7 +17,7 @@ static void pm_notify(struct drm_i915_private *i915, int state) blocking_notifier_call_chain(&i915->gt.pm_notifications, state, i915); } -static int intel_gt_unpark(struct intel_wakeref *wf) +static int __gt_unpark(struct intel_wakeref *wf) { struct intel_gt *gt = container_of(wf, typeof(*gt), wakeref); struct drm_i915_private *i915 = gt->i915; @@ -53,14 +53,7 @@ static int intel_gt_unpark(struct intel_wakeref *wf) return 0; } -void intel_gt_pm_get(struct intel_gt *gt) -{ - struct intel_runtime_pm *rpm = >->i915->runtime_pm; - - intel_wakeref_get(rpm, >->wakeref, intel_gt_unpark); -} - -static int intel_gt_park(struct intel_wakeref *wf) +static int __gt_park(struct intel_wakeref *wf) { struct drm_i915_private *i915 = container_of(wf, typeof(*i915), gt.wakeref); @@ -74,22 +67,25 @@ static int intel_gt_park(struct intel_wakeref *wf) if (INTEL_GEN(i915) >= 6) gen6_rps_idle(i915); + /* Everything switched off, flush any residual interrupt just in case */ + intel_synchronize_irq(i915); + GEM_BUG_ON(!wakeref); intel_display_power_put(i915, POWER_DOMAIN_GT_IRQ, wakeref); return 0; } -void intel_gt_pm_put(struct intel_gt *gt) -{ - struct intel_runtime_pm *rpm = >->i915->runtime_pm; - - intel_wakeref_put(rpm, >->wakeref, intel_gt_park); -} +static const struct intel_wakeref_ops wf_ops = { + .get = __gt_unpark, + .put = __gt_park, + .flags = INTEL_WAKEREF_PUT_ASYNC, +}; void intel_gt_pm_init_early(struct intel_gt *gt) { - intel_wakeref_init(>->wakeref); + intel_wakeref_init(>->wakeref, >->i915->runtime_pm, &wf_ops); + BLOCKING_INIT_NOTIFIER_HEAD(>->pm_notifications); } @@ -164,3 +160,15 @@ int intel_gt_resume(struct intel_gt *gt) return err; } + +void intel_gt_runtime_suspend(struct intel_gt *gt) +{ + intel_uc_runtime_suspend(>->uc); +} + +int intel_gt_runtime_resume(struct intel_gt *gt) +{ + intel_gt_init_swizzling(gt); + + return intel_uc_runtime_resume(>->uc); +} |