drivers/gpu/drm/i915/display/intel_display_rpm.c

File Facts

System

Linux kernel

Corpus path

drivers/gpu/drm/i915/display/intel_display_rpm.c

Extension

.c

Size

1649 bytes

Lines

63

Domain

Driver Families

Bucket

drivers/gpu

Inferred role

Driver Families: implementation source

Status

source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

• Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

• drm/intel/display_parent_interface.h
• intel_display_core.h
• intel_display_rpm.h

Detected Declarations

• function intel_display_rpm_put_raw
• function intel_display_rpm_put
• function intel_display_rpm_put_unchecked
• function intel_display_rpm_suspended
• function assert_display_rpm_held
• function intel_display_rpm_assert_block
• function intel_display_rpm_assert_unblock

Annotated Snippet

// SPDX-License-Identifier: MIT
/* Copyright © 2025 Intel Corporation */

#include <drm/intel/display_parent_interface.h>

#include "intel_display_core.h"
#include "intel_display_rpm.h"

struct ref_tracker *intel_display_rpm_get_raw(struct intel_display *display)
{
	return display->parent->rpm->get_raw(display->drm);
}

void intel_display_rpm_put_raw(struct intel_display *display, struct ref_tracker *wakeref)
{
	display->parent->rpm->put_raw(display->drm, wakeref);
}

struct ref_tracker *intel_display_rpm_get(struct intel_display *display)
{
	return display->parent->rpm->get(display->drm);
}

struct ref_tracker *intel_display_rpm_get_if_in_use(struct intel_display *display)
{
	return display->parent->rpm->get_if_in_use(display->drm);
}

struct ref_tracker *intel_display_rpm_get_noresume(struct intel_display *display)
{
	return display->parent->rpm->get_noresume(display->drm);
}

void intel_display_rpm_put(struct intel_display *display, struct ref_tracker *wakeref)
{
	display->parent->rpm->put(display->drm, wakeref);
}

void intel_display_rpm_put_unchecked(struct intel_display *display)
{
	display->parent->rpm->put_unchecked(display->drm);
}

bool intel_display_rpm_suspended(struct intel_display *display)
{
	return display->parent->rpm->suspended(display->drm);
}

void assert_display_rpm_held(struct intel_display *display)
{
	display->parent->rpm->assert_held(display->drm);
}

void intel_display_rpm_assert_block(struct intel_display *display)
{
	display->parent->rpm->assert_block(display->drm);
}

void intel_display_rpm_assert_unblock(struct intel_display *display)
{
	display->parent->rpm->assert_unblock(display->drm);
}

Annotation

• Immediate include surface: `drm/intel/display_parent_interface.h`, `intel_display_core.h`, `intel_display_rpm.h`.
• Detected declarations: `function intel_display_rpm_put_raw`, `function intel_display_rpm_put`, `function intel_display_rpm_put_unchecked`, `function intel_display_rpm_suspended`, `function assert_display_rpm_held`, `function intel_display_rpm_assert_block`, `function intel_display_rpm_assert_unblock`.
• Atlas domain: Driver Families / drivers/gpu.
• Implementation status: source implementation candidate.

Implementation Notes

• This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
• Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
• Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.