Merge tag 'drm-intel-gt-next-2021-12-09' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

Core Changes:

- Fix PENDING_ERROR leak in dma_fence_array_signaled() (Thomas Hellström)

Driver Changes:

- Fix runtime PM handling during PXP suspend (Tejas Upadhyay)
- Improve eviction performance on discrete by implementing async TTM moves (Thomas Hellström, Maarten Lankhorst)
- Improve robustness of error capture under memory pressure (Thomas Hellström)
- Fix GuC PMU versus GPU reset handling (Umesh Nerlige Ramappa)
- Use per device iommu check (Tvrtko Ursulin)
- Make error capture work with async migration (Thomas Hellström)
- Revert incorrect implementation of Wa_1508744258 causing hangs (José Roberto de Souza)
- Disable coarse power gating on some DG2 steppings workaround (Matt Roper)
- Add IC cache invalidation workaround on DG2 (Ramalingam C)
- Move two Icelake workarounds to the right place (Raviteja Goud Talla)
- Fix error pointer dereference in i915_gem_do_execbuffer() (Dan Carpenter)
- Fixup a couple of generic and DG2 specific issues in migration code (Matthew Auld)

- Fix kernel-doc warnings in i915_drm_object.c (Randy Dunlap)
- Drop stealing of bits from i915_sw_fence function pointer (Matthew Brost)
- Introduce new macros for i915 PTE (Michael Cheng)
- Prep work for engine reset by reset domain lookup (Tejas Upadhyay)

- Fixup drm-intel-gt-next build failure (Matthew Auld)
- Fix live_engine_busy_stats selftests in GuC mode (Umesh Nerlige Ramappa)
- Remove dma_resv_prune (Maarten Lankhorst)
- Preserve huge pages enablement after driver reload (Matthew Auld)
- Fix a NULL pointer dereference in igt_request_rewind() (selftests) (Zhou Qingyang)
- Add workaround numbers to GEN7_COMMON_SLICE_CHICKEN1 whitelisting (José Roberto de Souza)
- Increase timeouts in i915_gem_contexts selftests to handle GuC being slower (Bruce Chang)

Signed-off-by: Dave Airlie <airlied@redhat.com>

# Conflicts:
#	drivers/gpu/drm/i915/display/intel_fbc.c
From: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YbIBOeqhn+nPzaYD@tursulin-mobl2

1 files changed, 36 insertions, 1 deletions

diff --git a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
index bedb80057046..a69df5e9e77a 100644
--- a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
+++ b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
@@ -2186,7 +2186,8 @@ struct execlists_capture {
 static void execlists_capture_work(struct work_struct *work)
 {
 	struct execlists_capture *cap = container_of(work, typeof(*cap), work);
-	const gfp_t gfp = GFP_KERNEL | __GFP_RETRY_MAYFAIL | __GFP_NOWARN;
+	const gfp_t gfp = __GFP_KSWAPD_RECLAIM | __GFP_RETRY_MAYFAIL |
+		__GFP_NOWARN;
 	struct intel_engine_cs *engine = cap->rq->engine;
 	struct intel_gt_coredump *gt = cap->error->gt;
 	struct intel_engine_capture_vma *vma;
@@ -3293,6 +3294,38 @@ static void execlists_release(struct intel_engine_cs *engine)
 	lrc_fini_wa_ctx(engine);
 }
 
+static ktime_t __execlists_engine_busyness(struct intel_engine_cs *engine,
+					   ktime_t *now)
+{
+	struct intel_engine_execlists_stats *stats = &engine->stats.execlists;
+	ktime_t total = stats->total;
+
+	/*
+	 * If the engine is executing something at the moment
+	 * add it to the total.
+	 */
+	*now = ktime_get();
+	if (READ_ONCE(stats->active))
+		total = ktime_add(total, ktime_sub(*now, stats->start));
+
+	return total;
+}
+
+static ktime_t execlists_engine_busyness(struct intel_engine_cs *engine,
+					 ktime_t *now)
+{
+	struct intel_engine_execlists_stats *stats = &engine->stats.execlists;
+	unsigned int seq;
+	ktime_t total;
+
+	do {
+		seq = read_seqcount_begin(&stats->lock);
+		total = __execlists_engine_busyness(engine, now);
+	} while (read_seqcount_retry(&stats->lock, seq));
+
+	return total;
+}
+
 static void
 logical_ring_default_vfuncs(struct intel_engine_cs *engine)
 {
@@ -3349,6 +3382,8 @@ logical_ring_default_vfuncs(struct intel_engine_cs *engine)
 		engine->emit_bb_start = gen8_emit_bb_start;
 	else
 		engine->emit_bb_start = gen8_emit_bb_start_noarb;
+
+	engine->busyness = execlists_engine_busyness;
 }
 
 static void logical_ring_default_irqs(struct intel_engine_cs *engine)