Move the debug pretty printer into a standalone routine prior to extending it in upcoming feature work.
Signed-off-by: Chris Wilson <[email protected]> Reviewed-by: Tvrtko Ursulin <[email protected]> --- drivers/gpu/drm/i915/intel_engine_cs.c | 55 ++---------------------- drivers/gpu/drm/i915/intel_lrc.c | 58 ++++++++++++++++++++++++++ drivers/gpu/drm/i915/intel_lrc.h | 10 ++++- 3 files changed, 71 insertions(+), 52 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c index bf4dae2649ab..8a3fa4a9f66e 100644 --- a/drivers/gpu/drm/i915/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/intel_engine_cs.c @@ -1422,15 +1422,12 @@ void intel_engine_dump(struct intel_engine_cs *engine, struct drm_printer *m, const char *header, ...) { - const int MAX_REQUESTS_TO_SHOW = 8; struct intel_breadcrumbs * const b = &engine->breadcrumbs; - const struct intel_engine_execlists * const execlists = &engine->execlists; struct i915_gpu_error * const error = &engine->i915->gpu_error; - struct i915_request *rq, *last; + struct i915_request *rq; intel_wakeref_t wakeref; unsigned long flags; struct rb_node *rb; - int count; if (header) { va_list ap; @@ -1494,52 +1491,9 @@ void intel_engine_dump(struct intel_engine_cs *engine, drm_printf(m, "\tDevice is asleep; skipping register dump\n"); } - local_irq_save(flags); - spin_lock(&engine->timeline.lock); - - last = NULL; - count = 0; - list_for_each_entry(rq, &engine->timeline.requests, link) { - if (count++ < MAX_REQUESTS_TO_SHOW - 1) - print_request(m, rq, "\t\tE "); - else - last = rq; - } - if (last) { - if (count > MAX_REQUESTS_TO_SHOW) { - drm_printf(m, - "\t\t...skipping %d executing requests...\n", - count - MAX_REQUESTS_TO_SHOW); - } - print_request(m, last, "\t\tE "); - } - - last = NULL; - count = 0; - drm_printf(m, "\t\tQueue priority: %d\n", execlists->queue_priority); - for (rb = rb_first_cached(&execlists->queue); rb; rb = rb_next(rb)) { - struct i915_priolist *p = rb_entry(rb, typeof(*p), node); - int i; - - priolist_for_each_request(rq, p, i) { - if (count++ < MAX_REQUESTS_TO_SHOW - 1) - print_request(m, rq, "\t\tQ "); - else - last = rq; - } - } - if (last) { - if (count > MAX_REQUESTS_TO_SHOW) { - drm_printf(m, - "\t\t...skipping %d queued requests...\n", - count - MAX_REQUESTS_TO_SHOW); - } - print_request(m, last, "\t\tQ "); - } - - spin_unlock(&engine->timeline.lock); + intel_execlists_show_requests(engine, m, print_request, 8); - spin_lock(&b->rb_lock); + spin_lock_irqsave(&b->rb_lock, flags); for (rb = rb_first(&b->waiters); rb; rb = rb_next(rb)) { struct intel_wait *w = rb_entry(rb, typeof(*w), node); @@ -1548,8 +1502,7 @@ void intel_engine_dump(struct intel_engine_cs *engine, task_state_to_char(w->tsk), w->seqno); } - spin_unlock(&b->rb_lock); - local_irq_restore(flags); + spin_unlock_irqrestore(&b->rb_lock, flags); drm_printf(m, "HWSP:\n"); hexdump(m, engine->status_page.page_addr, PAGE_SIZE); diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index 608458b92db3..cdc4d84900ff 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -2702,6 +2702,64 @@ void intel_lr_context_resume(struct drm_i915_private *i915) } } +void intel_execlists_show_requests(struct intel_engine_cs *engine, + struct drm_printer *m, + void (*show_request)(struct drm_printer *m, + struct i915_request *rq, + const char *prefix), + unsigned int max) +{ + const struct intel_engine_execlists *execlists = &engine->execlists; + struct i915_request *rq, *last; + unsigned long flags; + unsigned int count; + struct rb_node *rb; + + spin_lock_irqsave(&engine->timeline.lock, flags); + + last = NULL; + count = 0; + list_for_each_entry(rq, &engine->timeline.requests, link) { + if (count++ < max - 1) + show_request(m, rq, "\t\tE "); + else + last = rq; + } + if (last) { + if (count > max) { + drm_printf(m, + "\t\t...skipping %d executing requests...\n", + count - max); + } + show_request(m, last, "\t\tE "); + } + + last = NULL; + count = 0; + drm_printf(m, "\t\tQueue priority: %d\n", execlists->queue_priority); + for (rb = rb_first_cached(&execlists->queue); rb; rb = rb_next(rb)) { + struct i915_priolist *p = rb_entry(rb, typeof(*p), node); + int i; + + priolist_for_each_request(rq, p, i) { + if (count++ < max - 1) + show_request(m, rq, "\t\tQ "); + else + last = rq; + } + } + if (last) { + if (count > max) { + drm_printf(m, + "\t\t...skipping %d queued requests...\n", + count - max); + } + show_request(m, last, "\t\tQ "); + } + + spin_unlock_irqrestore(&engine->timeline.lock, flags); +} + #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST) #include "selftests/intel_lrc.c" #endif diff --git a/drivers/gpu/drm/i915/intel_lrc.h b/drivers/gpu/drm/i915/intel_lrc.h index f5a5502ecf70..3d86c27c6b32 100644 --- a/drivers/gpu/drm/i915/intel_lrc.h +++ b/drivers/gpu/drm/i915/intel_lrc.h @@ -97,11 +97,19 @@ int logical_xcs_ring_init(struct intel_engine_cs *engine); */ #define LRC_HEADER_PAGES LRC_PPHWSP_PN +struct drm_printer; + struct drm_i915_private; struct i915_gem_context; void intel_lr_context_resume(struct drm_i915_private *dev_priv); - void intel_execlists_set_default_submission(struct intel_engine_cs *engine); +void intel_execlists_show_requests(struct intel_engine_cs *engine, + struct drm_printer *m, + void (*show_request)(struct drm_printer *m, + struct i915_request *rq, + const char *prefix), + unsigned int max); + #endif /* _INTEL_LRC_H_ */ -- 2.20.1 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
