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f71212f5cb
We will need to flush the release work from outside in an upcoming change. Let's put that into a public interface and call it intel_dmc_wl_flush_release_work(). Signed-off-by: Gustavo Sousa <gustavo.sousa@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241129164010.29887-2-gustavo.sousa@intel.com Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright (C) 2024 Intel Corporation
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*/
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#ifndef __INTEL_WAKELOCK_H__
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#define __INTEL_WAKELOCK_H__
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#include <linux/types.h>
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#include <linux/workqueue.h>
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#include <linux/refcount.h>
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#include "i915_reg_defs.h"
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struct intel_display;
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struct intel_dmc_wl {
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spinlock_t lock; /* protects enabled, taken, dc_state and refcount */
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bool enabled;
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bool taken;
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refcount_t refcount;
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/*
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* We are keeping a copy of the enabled DC state because
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* intel_display.power.domains is protected by a mutex and we do
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* not want call mutex_lock() in atomic context, where some of
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* the tracked MMIO operations happen.
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*/
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u32 dc_state;
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struct delayed_work work;
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};
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void intel_dmc_wl_init(struct intel_display *display);
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void intel_dmc_wl_enable(struct intel_display *display, u32 dc_state);
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void intel_dmc_wl_disable(struct intel_display *display);
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void intel_dmc_wl_flush_release_work(struct intel_display *display);
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void intel_dmc_wl_get(struct intel_display *display, i915_reg_t reg);
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void intel_dmc_wl_put(struct intel_display *display, i915_reg_t reg);
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void intel_dmc_wl_get_noreg(struct intel_display *display);
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void intel_dmc_wl_put_noreg(struct intel_display *display);
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#endif /* __INTEL_WAKELOCK_H__ */
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