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336c0eaed2
Add display specific wrappers around the i915 and xe dedicated runtime PM interfaces. There are no conversions here, just the wrappers. Implement with_intel_display_rpm() without needing to provide a local variable, which neatly narrows the scope and hides the type of the wakeref cookie. Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://lore.kernel.org/r/086b312367fa0fbd8de92e9764117aa7ff4a8cc5.1742483007.git.jani.nikula@intel.com
37 lines
1.4 KiB
C
37 lines
1.4 KiB
C
/* SPDX-License-Identifier: MIT */
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/* Copyright © 2025 Intel Corporation */
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#ifndef __INTEL_DISPLAY_RPM__
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#define __INTEL_DISPLAY_RPM__
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#include <linux/types.h>
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struct intel_display;
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struct ref_tracker;
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struct ref_tracker *intel_display_rpm_get(struct intel_display *display);
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void intel_display_rpm_put(struct intel_display *display, struct ref_tracker *wakeref);
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#define __with_intel_display_rpm(__display, __wakeref) \
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for (struct ref_tracker *(__wakeref) = intel_display_rpm_get(__display); (__wakeref); \
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intel_display_rpm_put((__display), (__wakeref)), (__wakeref) = NULL)
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#define with_intel_display_rpm(__display) \
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__with_intel_display_rpm((__display), __UNIQUE_ID(wakeref))
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/* Only for special cases. */
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bool intel_display_rpm_suspended(struct intel_display *display);
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void assert_display_rpm_held(struct intel_display *display);
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void intel_display_rpm_assert_block(struct intel_display *display);
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void intel_display_rpm_assert_unblock(struct intel_display *display);
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/* Only for display power implementation. */
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struct ref_tracker *intel_display_rpm_get_raw(struct intel_display *display);
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void intel_display_rpm_put_raw(struct intel_display *display, struct ref_tracker *wakeref);
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struct ref_tracker *intel_display_rpm_get_if_in_use(struct intel_display *display);
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struct ref_tracker *intel_display_rpm_get_noresume(struct intel_display *display);
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void intel_display_rpm_put_unchecked(struct intel_display *display);
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#endif /* __INTEL_DISPLAY_RPM__ */
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