diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dmc_wl.h')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dmc_wl.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dmc_wl.h b/drivers/gpu/drm/i915/display/intel_dmc_wl.h index adab51208d0a..5488fbdf29b8 100644 --- a/drivers/gpu/drm/i915/display/intel_dmc_wl.h +++ b/drivers/gpu/drm/i915/display/intel_dmc_wl.h @@ -15,17 +15,27 @@ struct intel_display; struct intel_dmc_wl { - spinlock_t lock; /* protects enabled, taken and refcount */ + spinlock_t lock; /* protects enabled, taken, dc_state and refcount */ bool enabled; bool taken; refcount_t refcount; + /* + * We are keeping a copy of the enabled DC state because + * intel_display.power.domains is protected by a mutex and we do + * not want call mutex_lock() in atomic context, where some of + * the tracked MMIO operations happen. + */ + u32 dc_state; struct delayed_work work; }; void intel_dmc_wl_init(struct intel_display *display); -void intel_dmc_wl_enable(struct intel_display *display); +void intel_dmc_wl_enable(struct intel_display *display, u32 dc_state); void intel_dmc_wl_disable(struct intel_display *display); +void intel_dmc_wl_flush_release_work(struct intel_display *display); void intel_dmc_wl_get(struct intel_display *display, i915_reg_t reg); void intel_dmc_wl_put(struct intel_display *display, i915_reg_t reg); +void intel_dmc_wl_get_noreg(struct intel_display *display); +void intel_dmc_wl_put_noreg(struct intel_display *display); #endif /* __INTEL_WAKELOCK_H__ */ |