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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/i915/display: Runtime pm wrappers for display parent interface
Implement runtime pm wrappers for i915 driver and add them into display
parent interface.
v2:
- move i915 display rpm interface implementation to intel_runtime_pm.c
- rename intel_display as i915_display
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://patch.msgid.link/20251030202836.1815680-4-jouni.hogander@intel.com
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drivers/gpu/drm/i915/i915_driver.c
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drivers/gpu/drm/i915/i915_driver.c
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drivers/gpu/drm/i915/intel_runtime_pm.c
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drivers/gpu/drm/i915/intel_runtime_pm.c
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#include <linux/pm_runtime.h>
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#include <drm/drm_print.h>
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#include <drm/intel/display_parent_interface.h>
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#include "i915_drv.h"
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#include "i915_trace.h"
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return track_intel_runtime_pm_wakeref(rpm);
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}
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static struct intel_runtime_pm *drm_to_rpm(const struct drm_device *drm)
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{
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struct drm_i915_private *i915 = to_i915(drm);
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return &i915->runtime_pm;
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}
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static struct ref_tracker *i915_display_rpm_get(const struct drm_device *drm)
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{
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return intel_runtime_pm_get(drm_to_rpm(drm));
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}
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static struct ref_tracker *i915_display_rpm_get_raw(const struct drm_device *drm)
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{
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return intel_runtime_pm_get_raw(drm_to_rpm(drm));
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}
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static struct ref_tracker *i915_display_rpm_get_if_in_use(const struct drm_device *drm)
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{
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return intel_runtime_pm_get_if_in_use(drm_to_rpm(drm));
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}
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static struct ref_tracker *i915_display_rpm_get_noresume(const struct drm_device *drm)
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{
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return intel_runtime_pm_get_noresume(drm_to_rpm(drm));
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}
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static void i915_display_rpm_put(const struct drm_device *drm, struct ref_tracker *wakeref)
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{
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intel_runtime_pm_put(drm_to_rpm(drm), wakeref);
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}
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static void i915_display_rpm_put_raw(const struct drm_device *drm, struct ref_tracker *wakeref)
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{
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intel_runtime_pm_put_raw(drm_to_rpm(drm), wakeref);
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}
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static void i915_display_rpm_put_unchecked(const struct drm_device *drm)
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{
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intel_runtime_pm_put_unchecked(drm_to_rpm(drm));
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}
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static bool i915_display_rpm_suspended(const struct drm_device *drm)
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{
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return intel_runtime_pm_suspended(drm_to_rpm(drm));
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}
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static void i915_display_rpm_assert_held(const struct drm_device *drm)
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{
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assert_rpm_wakelock_held(drm_to_rpm(drm));
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}
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static void i915_display_rpm_assert_block(const struct drm_device *drm)
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{
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disable_rpm_wakeref_asserts(drm_to_rpm(drm));
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}
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static void i915_display_rpm_assert_unblock(const struct drm_device *drm)
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{
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enable_rpm_wakeref_asserts(drm_to_rpm(drm));
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}
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const struct intel_display_rpm_interface i915_display_rpm_interface = {
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.get = i915_display_rpm_get,
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.get_raw = i915_display_rpm_get_raw,
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.get_if_in_use = i915_display_rpm_get_if_in_use,
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.get_noresume = i915_display_rpm_get_noresume,
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.put = i915_display_rpm_put,
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.put_raw = i915_display_rpm_put_raw,
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.put_unchecked = i915_display_rpm_put_unchecked,
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.suspended = i915_display_rpm_suspended,
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.assert_held = i915_display_rpm_assert_held,
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.assert_block = i915_display_rpm_assert_block,
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.assert_unblock = i915_display_rpm_assert_unblock
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};
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/**
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* intel_runtime_pm_get_raw - grab a raw runtime pm reference
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drivers/gpu/drm/i915/intel_runtime_pm.h
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drivers/gpu/drm/i915/intel_runtime_pm.h
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struct device;
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struct drm_i915_private;
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struct drm_printer;
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struct intel_display_rpm_interface;
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/*
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* This struct helps tracking the state needed for runtime PM, which puts the
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{
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}
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#endif
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extern const struct intel_display_rpm_interface i915_display_rpm_interface;
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#endif /* __INTEL_RUNTIME_PM_H__ */