1 /* SPDX-License-Identifier: MIT */ 2 /* Copyright © 2025 Intel Corporation */ 3 4 #ifndef __INTEL_DISPLAY_RPM__ 5 #define __INTEL_DISPLAY_RPM__ 6 7 #include <linux/types.h> 8 9 struct intel_display; 10 struct ref_tracker; 11 12 struct ref_tracker *intel_display_rpm_get(struct intel_display *display); 13 void intel_display_rpm_put(struct intel_display *display, struct ref_tracker *wakeref); 14 15 #define __with_intel_display_rpm(__display, __wakeref) \ 16 for (struct ref_tracker *(__wakeref) = intel_display_rpm_get(__display); (__wakeref); \ 17 intel_display_rpm_put((__display), (__wakeref)), (__wakeref) = NULL) 18 19 #define with_intel_display_rpm(__display) \ 20 __with_intel_display_rpm((__display), __UNIQUE_ID(wakeref)) 21 22 /* Only for special cases. */ 23 bool intel_display_rpm_suspended(struct intel_display *display); 24 25 void assert_display_rpm_held(struct intel_display *display); 26 void intel_display_rpm_assert_block(struct intel_display *display); 27 void intel_display_rpm_assert_unblock(struct intel_display *display); 28 29 /* Only for display power implementation. */ 30 struct ref_tracker *intel_display_rpm_get_raw(struct intel_display *display); 31 void intel_display_rpm_put_raw(struct intel_display *display, struct ref_tracker *wakeref); 32 33 struct ref_tracker *intel_display_rpm_get_if_in_use(struct intel_display *display); 34 struct ref_tracker *intel_display_rpm_get_noresume(struct intel_display *display); 35 void intel_display_rpm_put_unchecked(struct intel_display *display); 36 37 #endif /* __INTEL_DISPLAY_RPM__ */ 38