linux-zen-desktop/drivers/gpu/drm/i915/gt/intel_gt_irq.h

66 lines
1.8 KiB
C

/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2019 Intel Corporation
*/
#ifndef INTEL_GT_IRQ_H
#define INTEL_GT_IRQ_H
#include <linux/types.h>
#include "intel_engine_types.h"
struct intel_gt;
#define GEN8_GT_IRQS (GEN8_GT_RCS_IRQ | \
GEN8_GT_BCS_IRQ | \
GEN8_GT_VCS0_IRQ | \
GEN8_GT_VCS1_IRQ | \
GEN8_GT_VECS_IRQ | \
GEN8_GT_PM_IRQ | \
GEN8_GT_GUC_IRQ)
void gen11_gt_irq_reset(struct intel_gt *gt);
void gen11_gt_irq_postinstall(struct intel_gt *gt);
void gen11_gt_irq_handler(struct intel_gt *gt, const u32 master_ctl);
bool gen11_gt_reset_one_iir(struct intel_gt *gt,
const unsigned int bank,
const unsigned int bit);
void gen5_gt_irq_handler(struct intel_gt *gt, u32 gt_iir);
void gen5_gt_irq_postinstall(struct intel_gt *gt);
void gen5_gt_irq_reset(struct intel_gt *gt);
void gen5_gt_disable_irq(struct intel_gt *gt, u32 mask);
void gen5_gt_enable_irq(struct intel_gt *gt, u32 mask);
void gen6_gt_irq_handler(struct intel_gt *gt, u32 gt_iir);
void gen8_gt_irq_handler(struct intel_gt *gt, u32 master_ctl);
void gen8_gt_irq_reset(struct intel_gt *gt);
void gen8_gt_irq_postinstall(struct intel_gt *gt);
static inline void intel_engine_cs_irq(struct intel_engine_cs *engine, u16 iir)
{
if (iir)
engine->irq_handler(engine, iir);
}
static inline void
intel_engine_set_irq_handler(struct intel_engine_cs *engine,
void (*fn)(struct intel_engine_cs *engine,
u16 iir))
{
/*
* As the interrupt is live as allocate and setup the engines,
* err on the side of caution and apply barriers to updating
* the irq handler callback. This assures that when we do use
* the engine, we will receive interrupts only to ourselves,
* and not lose any.
*/
smp_store_mb(engine->irq_handler, fn);
}
#endif /* INTEL_GT_IRQ_H */