linux/drivers/gpu/drm/i915/gt/intel_gt.h
Chris Wilson 058179e72e drm/i915/gt: Replace hangcheck by heartbeats
Replace sampling the engine state every so often with a periodic
heartbeat request to measure the health of an engine. This is coupled
with the forced-preemption to allow long running requests to survive so
long as they do not block other users.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Jon Bloomfield <jon.bloomfield@intel.com>
Reviewed-by: Jon Bloomfield <jon.bloomfield@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191023133108.21401-5-chris@chris-wilson.co.uk
2019-10-23 23:52:10 +01:00

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C

/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2019 Intel Corporation
*/
#ifndef __INTEL_GT__
#define __INTEL_GT__
#include "intel_engine_types.h"
#include "intel_gt_types.h"
#include "intel_reset.h"
struct drm_i915_private;
static inline struct intel_gt *uc_to_gt(struct intel_uc *uc)
{
return container_of(uc, struct intel_gt, uc);
}
static inline struct intel_gt *guc_to_gt(struct intel_guc *guc)
{
return container_of(guc, struct intel_gt, uc.guc);
}
static inline struct intel_gt *huc_to_gt(struct intel_huc *huc)
{
return container_of(huc, struct intel_gt, uc.huc);
}
void intel_gt_init_early(struct intel_gt *gt, struct drm_i915_private *i915);
void intel_gt_init_hw_early(struct drm_i915_private *i915);
int __must_check intel_gt_init_hw(struct intel_gt *gt);
int intel_gt_init(struct intel_gt *gt);
void intel_gt_driver_register(struct intel_gt *gt);
void intel_gt_driver_unregister(struct intel_gt *gt);
void intel_gt_driver_remove(struct intel_gt *gt);
void intel_gt_driver_release(struct intel_gt *gt);
void intel_gt_driver_late_release(struct intel_gt *gt);
void intel_gt_check_and_clear_faults(struct intel_gt *gt);
void intel_gt_clear_error_registers(struct intel_gt *gt,
intel_engine_mask_t engine_mask);
void intel_gt_flush_ggtt_writes(struct intel_gt *gt);
void intel_gt_chipset_flush(struct intel_gt *gt);
static inline u32 intel_gt_scratch_offset(const struct intel_gt *gt,
enum intel_gt_scratch_field field)
{
return i915_ggtt_offset(gt->scratch) + field;
}
static inline bool intel_gt_is_wedged(struct intel_gt *gt)
{
return __intel_reset_failed(&gt->reset);
}
#endif /* __INTEL_GT_H__ */