diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_display_rpm.h')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display_rpm.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display_rpm.h b/drivers/gpu/drm/i915/display/intel_display_rpm.h new file mode 100644 index 000000000000..6ef48515f84b --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_display_rpm.h @@ -0,0 +1,37 @@ +/* SPDX-License-Identifier: MIT */ +/* Copyright © 2025 Intel Corporation */ + +#ifndef __INTEL_DISPLAY_RPM__ +#define __INTEL_DISPLAY_RPM__ + +#include <linux/types.h> + +struct intel_display; +struct ref_tracker; + +struct ref_tracker *intel_display_rpm_get(struct intel_display *display); +void intel_display_rpm_put(struct intel_display *display, struct ref_tracker *wakeref); + +#define __with_intel_display_rpm(__display, __wakeref) \ + for (struct ref_tracker *(__wakeref) = intel_display_rpm_get(__display); (__wakeref); \ + intel_display_rpm_put((__display), (__wakeref)), (__wakeref) = NULL) + +#define with_intel_display_rpm(__display) \ + __with_intel_display_rpm((__display), __UNIQUE_ID(wakeref)) + +/* Only for special cases. */ +bool intel_display_rpm_suspended(struct intel_display *display); + +void assert_display_rpm_held(struct intel_display *display); +void intel_display_rpm_assert_block(struct intel_display *display); +void intel_display_rpm_assert_unblock(struct intel_display *display); + +/* Only for display power implementation. */ +struct ref_tracker *intel_display_rpm_get_raw(struct intel_display *display); +void intel_display_rpm_put_raw(struct intel_display *display, struct ref_tracker *wakeref); + +struct ref_tracker *intel_display_rpm_get_if_in_use(struct intel_display *display); +struct ref_tracker *intel_display_rpm_get_noresume(struct intel_display *display); +void intel_display_rpm_put_unchecked(struct intel_display *display); + +#endif /* __INTEL_DISPLAY_RPM__ */ |