diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_engine_cs.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_engine_cs.c | 91 |
1 files changed, 23 insertions, 68 deletions
diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c index 236cd040f271..2f3c71f6d313 100644 --- a/drivers/gpu/drm/i915/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/intel_engine_cs.c @@ -25,6 +25,7 @@ #include <drm/drm_print.h> #include "i915_drv.h" +#include "i915_reset.h" #include "intel_ringbuffer.h" #include "intel_lrc.h" @@ -799,15 +800,15 @@ u32 intel_calculate_mcr_s_ss_select(struct drm_i915_private *dev_priv) return mcr_s_ss_select; } -static inline uint32_t +static inline u32 read_subslice_reg(struct drm_i915_private *dev_priv, int slice, int subslice, i915_reg_t reg) { - uint32_t mcr_slice_subslice_mask; - uint32_t mcr_slice_subslice_select; - uint32_t default_mcr_s_ss_select; - uint32_t mcr; - uint32_t ret; + u32 mcr_slice_subslice_mask; + u32 mcr_slice_subslice_select; + u32 default_mcr_s_ss_select; + u32 mcr; + u32 ret; enum forcewake_domains fw_domains; if (INTEL_GEN(dev_priv) >= 11) { @@ -913,10 +914,15 @@ void intel_engine_get_instdone(struct intel_engine_cs *engine, static bool ring_is_idle(struct intel_engine_cs *engine) { struct drm_i915_private *dev_priv = engine->i915; + intel_wakeref_t wakeref; bool idle = true; + if (I915_SELFTEST_ONLY(!engine->mmio_base)) + return true; + /* If the whole device is asleep, the engine must be idle */ - if (!intel_runtime_pm_get_if_in_use(dev_priv)) + wakeref = intel_runtime_pm_get_if_in_use(dev_priv); + if (!wakeref) return true; /* First check that no commands are left in the ring */ @@ -928,7 +934,7 @@ static bool ring_is_idle(struct intel_engine_cs *engine) if (INTEL_GEN(dev_priv) > 2 && !(I915_READ_MODE(engine) & MODE_IDLE)) idle = false; - intel_runtime_pm_put(dev_priv); + intel_runtime_pm_put(dev_priv, wakeref); return idle; } @@ -952,9 +958,6 @@ bool intel_engine_is_idle(struct intel_engine_cs *engine) if (!intel_engine_signaled(engine, intel_engine_last_submit(engine))) return false; - if (I915_SELFTEST_ONLY(engine->breadcrumbs.mock)) - return true; - /* Waiting to drain ELSP? */ if (READ_ONCE(engine->execlists.active)) { struct tasklet_struct *t = &engine->execlists.tasklet; @@ -980,10 +983,7 @@ bool intel_engine_is_idle(struct intel_engine_cs *engine) return false; /* Ring stopped? */ - if (!ring_is_idle(engine)) - return false; - - return true; + return ring_is_idle(engine); } bool intel_engines_are_idle(struct drm_i915_private *dev_priv) @@ -1420,14 +1420,12 @@ 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; @@ -1483,59 +1481,17 @@ void intel_engine_dump(struct intel_engine_cs *engine, rcu_read_unlock(); - if (intel_runtime_pm_get_if_in_use(engine->i915)) { + wakeref = intel_runtime_pm_get_if_in_use(engine->i915); + if (wakeref) { intel_engine_print_registers(engine, m); - intel_runtime_pm_put(engine->i915); + intel_runtime_pm_put(engine->i915, wakeref); } else { 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); @@ -1544,8 +1500,7 @@ 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); |