linux/drivers/gpu/drm/i915/gt/intel_engine_heartbeat.h
Matthew Brost c41ee2873e drm/i915: Reset GPU immediately if submission is disabled
If submission is disabled by the backend for any reason, reset the GPU
immediately in the heartbeat code as the backend can't be reenabled
until the GPU is reset.

Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: John Harrison <John.C.Harrison@Intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210727002348.97202-10-matthew.brost@intel.com
2021-07-27 17:31:45 -07:00

27 lines
756 B
C

/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2019 Intel Corporation
*/
#ifndef INTEL_ENGINE_HEARTBEAT_H
#define INTEL_ENGINE_HEARTBEAT_H
struct intel_engine_cs;
struct intel_gt;
void intel_engine_init_heartbeat(struct intel_engine_cs *engine);
int intel_engine_set_heartbeat(struct intel_engine_cs *engine,
unsigned long delay);
void intel_engine_park_heartbeat(struct intel_engine_cs *engine);
void intel_engine_unpark_heartbeat(struct intel_engine_cs *engine);
void intel_gt_park_heartbeats(struct intel_gt *gt);
void intel_gt_unpark_heartbeats(struct intel_gt *gt);
int intel_engine_pulse(struct intel_engine_cs *engine);
int intel_engine_flush_barriers(struct intel_engine_cs *engine);
#endif /* INTEL_ENGINE_HEARTBEAT_H */