diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_reset.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_reset.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c index 98c071fe532b..077716442c90 100644 --- a/drivers/gpu/drm/i915/gt/intel_reset.c +++ b/drivers/gpu/drm/i915/gt/intel_reset.c @@ -7,6 +7,7 @@ #include <linux/sched/mm.h> #include <linux/stop_machine.h> +#include "display/intel_display_types.h" #include "display/intel_overlay.h" #include "gem/i915_gem_context.h" @@ -757,11 +758,8 @@ static void __intel_gt_set_wedged(struct intel_gt *gt) if (!INTEL_INFO(gt->i915)->gpu_reset_clobbers_display) __intel_gt_reset(gt, ALL_ENGINES); - for_each_engine(engine, gt->i915, id) { + for_each_engine(engine, gt->i915, id) engine->submit_request = nop_submit_request; - engine->schedule = NULL; - } - gt->i915->caps.scheduler = 0; /* * Make sure no request can slip through without getting completed by @@ -813,7 +811,7 @@ static bool __intel_gt_unset_wedged(struct intel_gt *gt) * * No more can be submitted until we reset the wedged bit. */ - mutex_lock(&timelines->mutex); + spin_lock(&timelines->lock); list_for_each_entry(tl, &timelines->active_list, link) { struct i915_request *rq; @@ -821,6 +819,8 @@ static bool __intel_gt_unset_wedged(struct intel_gt *gt) if (!rq) continue; + spin_unlock(&timelines->lock); + /* * All internal dependencies (i915_requests) will have * been flushed by the set-wedge, but we may be stuck waiting @@ -830,8 +830,12 @@ static bool __intel_gt_unset_wedged(struct intel_gt *gt) */ dma_fence_default_wait(&rq->fence, false, MAX_SCHEDULE_TIMEOUT); i915_request_put(rq); + + /* Restart iteration after droping lock */ + spin_lock(&timelines->lock); + tl = list_entry(&timelines->active_list, typeof(*tl), link); } - mutex_unlock(&timelines->mutex); + spin_unlock(&timelines->lock); intel_gt_sanitize(gt, false); |