linux/drivers/gpu/drm/i915/gt/intel_gt_pm.h
Andi Shyti 42014f69bb drm/i915: Hook up GT power management
Refactor the GT power management interface to work through the GT now
that it is under the control of gt/

Based on a patch by Chris Wilson.

Signed-off-by: Andi Shyti <andi.shyti@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190905111403.10071-1-andi.shyti@intel.com
2019-09-06 20:29:58 +01:00

55 lines
1.2 KiB
C

/*
* SPDX-License-Identifier: MIT
*
* Copyright © 2019 Intel Corporation
*/
#ifndef INTEL_GT_PM_H
#define INTEL_GT_PM_H
#include <linux/types.h>
#include "intel_gt_types.h"
#include "intel_wakeref.h"
enum {
INTEL_GT_UNPARK,
INTEL_GT_PARK,
};
static inline bool intel_gt_pm_is_awake(const struct intel_gt *gt)
{
return intel_wakeref_is_active(&gt->wakeref);
}
static inline void intel_gt_pm_get(struct intel_gt *gt)
{
intel_wakeref_get(&gt->wakeref);
}
static inline bool intel_gt_pm_get_if_awake(struct intel_gt *gt)
{
return intel_wakeref_get_if_active(&gt->wakeref);
}
static inline void intel_gt_pm_put(struct intel_gt *gt)
{
intel_wakeref_put(&gt->wakeref);
}
static inline int intel_gt_pm_wait_for_idle(struct intel_gt *gt)
{
return intel_wakeref_wait_for_idle(&gt->wakeref);
}
void intel_gt_pm_init_early(struct intel_gt *gt);
void intel_gt_pm_enable(struct intel_gt *gt);
void intel_gt_pm_disable(struct intel_gt *gt);
void intel_gt_sanitize(struct intel_gt *gt, bool force);
int intel_gt_resume(struct intel_gt *gt);
void intel_gt_runtime_suspend(struct intel_gt *gt);
int intel_gt_runtime_resume(struct intel_gt *gt);
#endif /* INTEL_GT_PM_H */