From: Chris Wilson <chris@chris-wilson.co.uk> To: intel-gfx@lists.freedesktop.org Subject: [CI 4/4] drm/i915/gt: Schedule request retirement when timeline idles Date: Sun, 24 Nov 2019 17:05:24 +0000 [thread overview] Message-ID: <20191124170524.1436498-4-chris@chris-wilson.co.uk> (raw) In-Reply-To: <20191124170524.1436498-1-chris@chris-wilson.co.uk> The major drawback of commit 7e34f4e4aad3 ("drm/i915/gen8+: Add RC6 CTX corruption WA") is that it disables RC6 while Skylake (and friends) is active, and we do not consider the GPU idle until all outstanding requests have been retired and the engine switched over to the kernel context. If userspace is idle, this task falls onto our background idle worker, which only runs roughly once a second, meaning that userspace has to have been idle for a couple of seconds before we enable RC6 again. Naturally, this causes us to consume considerably more energy than before as powersaving is effectively disabled while a display server (here's looking at you Xorg) is running. As execlists will get a completion event as each context is completed, we can use this interrupt to queue a retire worker bound to this engine to cleanup idle timelines. We will then immediately notice the idle engine (without userspace intervention or the aid of the background retire worker) and start parking the GPU. Thus during light workloads, we will do much more work to idle the GPU faster... Hopefully with commensurate power saving! v2: Watch context completions and only look at those local to the engine when retiring to reduce the amount of excess work we perform. References: https://bugs.freedesktop.org/show_bug.cgi?id=112315 References: 7e34f4e4aad3 ("drm/i915/gen8+: Add RC6 CTX corruption WA") References: 2248a28384fe ("drm/i915/gen8+: Add RC6 CTX corruption WA") Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> --- drivers/gpu/drm/i915/gt/intel_engine_cs.c | 8 +- drivers/gpu/drm/i915/gt/intel_engine_types.h | 8 ++ drivers/gpu/drm/i915/gt/intel_gt_requests.c | 75 +++++++++++++++++++ drivers/gpu/drm/i915/gt/intel_gt_requests.h | 7 ++ drivers/gpu/drm/i915/gt/intel_lrc.c | 9 +++ drivers/gpu/drm/i915/gt/intel_timeline.c | 1 + .../gpu/drm/i915/gt/intel_timeline_types.h | 3 + 7 files changed, 108 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c index b9613d044393..8f6e353caa66 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c @@ -28,13 +28,13 @@ #include "i915_drv.h" -#include "gt/intel_gt.h" - +#include "intel_context.h" #include "intel_engine.h" #include "intel_engine_pm.h" #include "intel_engine_pool.h" #include "intel_engine_user.h" -#include "intel_context.h" +#include "intel_gt.h" +#include "intel_gt_requests.h" #include "intel_lrc.h" #include "intel_reset.h" #include "intel_ring.h" @@ -617,6 +617,7 @@ static int intel_engine_setup_common(struct intel_engine_cs *engine) intel_engine_init_execlists(engine); intel_engine_init_cmd_parser(engine); intel_engine_init__pm(engine); + intel_engine_init_retire(engine); intel_engine_pool_init(&engine->pool); @@ -839,6 +840,7 @@ void intel_engine_cleanup_common(struct intel_engine_cs *engine) cleanup_status_page(engine); + intel_engine_fini_retire(engine); intel_engine_pool_fini(&engine->pool); intel_engine_fini_breadcrumbs(engine); intel_engine_cleanup_cmd_parser(engine); diff --git a/drivers/gpu/drm/i915/gt/intel_engine_types.h b/drivers/gpu/drm/i915/gt/intel_engine_types.h index 758f0e8ec672..17f1f1441efc 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_types.h +++ b/drivers/gpu/drm/i915/gt/intel_engine_types.h @@ -451,6 +451,14 @@ struct intel_engine_cs { struct intel_engine_execlists execlists; + /* + * Keep track of completed timelines on this engine for early + * retirement with the goal of quickly enabling powersaving as + * soon as the engine is idle. + */ + struct intel_timeline *retire; + struct work_struct retire_work; + /* status_notifier: list of callbacks for context-switch changes */ struct atomic_notifier_head context_status_notifier; diff --git a/drivers/gpu/drm/i915/gt/intel_gt_requests.c b/drivers/gpu/drm/i915/gt/intel_gt_requests.c index f02f781b8492..8cb5421e5f0e 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_requests.c +++ b/drivers/gpu/drm/i915/gt/intel_gt_requests.c @@ -4,6 +4,8 @@ * Copyright © 2019 Intel Corporation */ +#include <linux/workqueue.h> + #include "i915_drv.h" /* for_each_engine() */ #include "i915_request.h" #include "intel_gt.h" @@ -29,6 +31,79 @@ static void flush_submission(struct intel_gt *gt) intel_engine_flush_submission(engine); } +static void engine_retire(struct work_struct *work) +{ + struct intel_engine_cs *engine = + container_of(work, typeof(*engine), retire_work); + struct intel_timeline *tl = xchg(&engine->retire, NULL); + + do { + struct intel_timeline *next = xchg(&tl->retire, NULL); + + /* + * Our goal here is to retire _idle_ timelines as soon as + * possible (as they are idle, we do not expect userspace + * to be cleaning up anytime soon). + * + * If the timeline is currently locked, either it is being + * retired elsewhere or about to be! + */ + if (mutex_trylock(&tl->mutex)) { + retire_requests(tl); + mutex_unlock(&tl->mutex); + } + intel_timeline_put(tl); + + GEM_BUG_ON(!next); + tl = ptr_mask_bits(next, 1); + } while (tl); +} + +static bool add_retire(struct intel_engine_cs *engine, + struct intel_timeline *tl) +{ + struct intel_timeline *first; + + /* + * We open-code a llist here to include the additional tag [BIT(0)] + * so that we know when the timeline is already on a + * retirement queue: either this engine or another. + * + * However, we rely on that a timeline can only be active on a single + * engine at any one time and that add_retire() is called before the + * engine releases the timeline and transferred to another to retire. + */ + + if (READ_ONCE(tl->retire)) /* already queued */ + return false; + + intel_timeline_get(tl); + first = READ_ONCE(engine->retire); + do + tl->retire = ptr_pack_bits(first, 1, 1); + while (!try_cmpxchg(&engine->retire, &first, tl)); + + return !first; +} + +void intel_engine_add_retire(struct intel_engine_cs *engine, + struct intel_timeline *tl) +{ + if (add_retire(engine, tl)) + schedule_work(&engine->retire_work); +} + +void intel_engine_init_retire(struct intel_engine_cs *engine) +{ + INIT_WORK(&engine->retire_work, engine_retire); +} + +void intel_engine_fini_retire(struct intel_engine_cs *engine) +{ + flush_work(&engine->retire_work); + GEM_BUG_ON(engine->retire); +} + long intel_gt_retire_requests_timeout(struct intel_gt *gt, long timeout) { struct intel_gt_timelines *timelines = >->timelines; diff --git a/drivers/gpu/drm/i915/gt/intel_gt_requests.h b/drivers/gpu/drm/i915/gt/intel_gt_requests.h index fde546424c63..dbac53baf1cb 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_requests.h +++ b/drivers/gpu/drm/i915/gt/intel_gt_requests.h @@ -7,7 +7,9 @@ #ifndef INTEL_GT_REQUESTS_H #define INTEL_GT_REQUESTS_H +struct intel_engine_cs; struct intel_gt; +struct intel_timeline; long intel_gt_retire_requests_timeout(struct intel_gt *gt, long timeout); static inline void intel_gt_retire_requests(struct intel_gt *gt) @@ -15,6 +17,11 @@ static inline void intel_gt_retire_requests(struct intel_gt *gt) intel_gt_retire_requests_timeout(gt, 0); } +void intel_engine_init_retire(struct intel_engine_cs *engine); +void intel_engine_add_retire(struct intel_engine_cs *engine, + struct intel_timeline *tl); +void intel_engine_fini_retire(struct intel_engine_cs *engine); + int intel_gt_wait_for_idle(struct intel_gt *gt, long timeout); void intel_gt_init_requests(struct intel_gt *gt); diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c index 0d0dca3d6724..be3c6f6aa102 100644 --- a/drivers/gpu/drm/i915/gt/intel_lrc.c +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c @@ -142,6 +142,7 @@ #include "intel_engine_pm.h" #include "intel_gt.h" #include "intel_gt_pm.h" +#include "intel_gt_requests.h" #include "intel_lrc_reg.h" #include "intel_mocs.h" #include "intel_reset.h" @@ -1170,6 +1171,14 @@ __execlists_schedule_out(struct i915_request *rq, * refrain from doing non-trivial work here. */ + /* + * If we have just completed this context, the engine may now be + * idle and we want to re-enter powersaving. + */ + if (list_is_last(&rq->link, &ce->timeline->requests) && + i915_request_completed(rq)) + intel_engine_add_retire(engine, ce->timeline); + intel_engine_context_out(engine); execlists_context_status_change(rq, INTEL_CONTEXT_SCHEDULE_OUT); intel_gt_pm_put_async(engine->gt); diff --git a/drivers/gpu/drm/i915/gt/intel_timeline.c b/drivers/gpu/drm/i915/gt/intel_timeline.c index b190a5d9ab02..c1d2419444f8 100644 --- a/drivers/gpu/drm/i915/gt/intel_timeline.c +++ b/drivers/gpu/drm/i915/gt/intel_timeline.c @@ -277,6 +277,7 @@ void intel_timeline_fini(struct intel_timeline *timeline) { GEM_BUG_ON(atomic_read(&timeline->pin_count)); GEM_BUG_ON(!list_empty(&timeline->requests)); + GEM_BUG_ON(timeline->retire); if (timeline->hwsp_cacheline) cacheline_free(timeline->hwsp_cacheline); diff --git a/drivers/gpu/drm/i915/gt/intel_timeline_types.h b/drivers/gpu/drm/i915/gt/intel_timeline_types.h index 5244615ed1cb..aaf15cbe1ce1 100644 --- a/drivers/gpu/drm/i915/gt/intel_timeline_types.h +++ b/drivers/gpu/drm/i915/gt/intel_timeline_types.h @@ -66,6 +66,9 @@ struct intel_timeline { */ struct i915_active_fence last_request; + /** A chain of completed timelines ready for early retirement. */ + struct intel_timeline *retire; + /** * We track the most recent seqno that we wait on in every context so * that we only have to emit a new await and dependency on a more -- 2.24.0 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
WARNING: multiple messages have this Message-ID (diff)
From: Chris Wilson <chris@chris-wilson.co.uk> To: intel-gfx@lists.freedesktop.org Subject: [Intel-gfx] [CI 4/4] drm/i915/gt: Schedule request retirement when timeline idles Date: Sun, 24 Nov 2019 17:05:24 +0000 [thread overview] Message-ID: <20191124170524.1436498-4-chris@chris-wilson.co.uk> (raw) Message-ID: <20191124170524.8Nk9VlRFJyaNC5SZYSCjkApqwm44XrFE-BTXoZ0VXkc@z> (raw) In-Reply-To: <20191124170524.1436498-1-chris@chris-wilson.co.uk> The major drawback of commit 7e34f4e4aad3 ("drm/i915/gen8+: Add RC6 CTX corruption WA") is that it disables RC6 while Skylake (and friends) is active, and we do not consider the GPU idle until all outstanding requests have been retired and the engine switched over to the kernel context. If userspace is idle, this task falls onto our background idle worker, which only runs roughly once a second, meaning that userspace has to have been idle for a couple of seconds before we enable RC6 again. Naturally, this causes us to consume considerably more energy than before as powersaving is effectively disabled while a display server (here's looking at you Xorg) is running. As execlists will get a completion event as each context is completed, we can use this interrupt to queue a retire worker bound to this engine to cleanup idle timelines. We will then immediately notice the idle engine (without userspace intervention or the aid of the background retire worker) and start parking the GPU. Thus during light workloads, we will do much more work to idle the GPU faster... Hopefully with commensurate power saving! v2: Watch context completions and only look at those local to the engine when retiring to reduce the amount of excess work we perform. References: https://bugs.freedesktop.org/show_bug.cgi?id=112315 References: 7e34f4e4aad3 ("drm/i915/gen8+: Add RC6 CTX corruption WA") References: 2248a28384fe ("drm/i915/gen8+: Add RC6 CTX corruption WA") Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> --- drivers/gpu/drm/i915/gt/intel_engine_cs.c | 8 +- drivers/gpu/drm/i915/gt/intel_engine_types.h | 8 ++ drivers/gpu/drm/i915/gt/intel_gt_requests.c | 75 +++++++++++++++++++ drivers/gpu/drm/i915/gt/intel_gt_requests.h | 7 ++ drivers/gpu/drm/i915/gt/intel_lrc.c | 9 +++ drivers/gpu/drm/i915/gt/intel_timeline.c | 1 + .../gpu/drm/i915/gt/intel_timeline_types.h | 3 + 7 files changed, 108 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c index b9613d044393..8f6e353caa66 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c @@ -28,13 +28,13 @@ #include "i915_drv.h" -#include "gt/intel_gt.h" - +#include "intel_context.h" #include "intel_engine.h" #include "intel_engine_pm.h" #include "intel_engine_pool.h" #include "intel_engine_user.h" -#include "intel_context.h" +#include "intel_gt.h" +#include "intel_gt_requests.h" #include "intel_lrc.h" #include "intel_reset.h" #include "intel_ring.h" @@ -617,6 +617,7 @@ static int intel_engine_setup_common(struct intel_engine_cs *engine) intel_engine_init_execlists(engine); intel_engine_init_cmd_parser(engine); intel_engine_init__pm(engine); + intel_engine_init_retire(engine); intel_engine_pool_init(&engine->pool); @@ -839,6 +840,7 @@ void intel_engine_cleanup_common(struct intel_engine_cs *engine) cleanup_status_page(engine); + intel_engine_fini_retire(engine); intel_engine_pool_fini(&engine->pool); intel_engine_fini_breadcrumbs(engine); intel_engine_cleanup_cmd_parser(engine); diff --git a/drivers/gpu/drm/i915/gt/intel_engine_types.h b/drivers/gpu/drm/i915/gt/intel_engine_types.h index 758f0e8ec672..17f1f1441efc 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_types.h +++ b/drivers/gpu/drm/i915/gt/intel_engine_types.h @@ -451,6 +451,14 @@ struct intel_engine_cs { struct intel_engine_execlists execlists; + /* + * Keep track of completed timelines on this engine for early + * retirement with the goal of quickly enabling powersaving as + * soon as the engine is idle. + */ + struct intel_timeline *retire; + struct work_struct retire_work; + /* status_notifier: list of callbacks for context-switch changes */ struct atomic_notifier_head context_status_notifier; diff --git a/drivers/gpu/drm/i915/gt/intel_gt_requests.c b/drivers/gpu/drm/i915/gt/intel_gt_requests.c index f02f781b8492..8cb5421e5f0e 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_requests.c +++ b/drivers/gpu/drm/i915/gt/intel_gt_requests.c @@ -4,6 +4,8 @@ * Copyright © 2019 Intel Corporation */ +#include <linux/workqueue.h> + #include "i915_drv.h" /* for_each_engine() */ #include "i915_request.h" #include "intel_gt.h" @@ -29,6 +31,79 @@ static void flush_submission(struct intel_gt *gt) intel_engine_flush_submission(engine); } +static void engine_retire(struct work_struct *work) +{ + struct intel_engine_cs *engine = + container_of(work, typeof(*engine), retire_work); + struct intel_timeline *tl = xchg(&engine->retire, NULL); + + do { + struct intel_timeline *next = xchg(&tl->retire, NULL); + + /* + * Our goal here is to retire _idle_ timelines as soon as + * possible (as they are idle, we do not expect userspace + * to be cleaning up anytime soon). + * + * If the timeline is currently locked, either it is being + * retired elsewhere or about to be! + */ + if (mutex_trylock(&tl->mutex)) { + retire_requests(tl); + mutex_unlock(&tl->mutex); + } + intel_timeline_put(tl); + + GEM_BUG_ON(!next); + tl = ptr_mask_bits(next, 1); + } while (tl); +} + +static bool add_retire(struct intel_engine_cs *engine, + struct intel_timeline *tl) +{ + struct intel_timeline *first; + + /* + * We open-code a llist here to include the additional tag [BIT(0)] + * so that we know when the timeline is already on a + * retirement queue: either this engine or another. + * + * However, we rely on that a timeline can only be active on a single + * engine at any one time and that add_retire() is called before the + * engine releases the timeline and transferred to another to retire. + */ + + if (READ_ONCE(tl->retire)) /* already queued */ + return false; + + intel_timeline_get(tl); + first = READ_ONCE(engine->retire); + do + tl->retire = ptr_pack_bits(first, 1, 1); + while (!try_cmpxchg(&engine->retire, &first, tl)); + + return !first; +} + +void intel_engine_add_retire(struct intel_engine_cs *engine, + struct intel_timeline *tl) +{ + if (add_retire(engine, tl)) + schedule_work(&engine->retire_work); +} + +void intel_engine_init_retire(struct intel_engine_cs *engine) +{ + INIT_WORK(&engine->retire_work, engine_retire); +} + +void intel_engine_fini_retire(struct intel_engine_cs *engine) +{ + flush_work(&engine->retire_work); + GEM_BUG_ON(engine->retire); +} + long intel_gt_retire_requests_timeout(struct intel_gt *gt, long timeout) { struct intel_gt_timelines *timelines = >->timelines; diff --git a/drivers/gpu/drm/i915/gt/intel_gt_requests.h b/drivers/gpu/drm/i915/gt/intel_gt_requests.h index fde546424c63..dbac53baf1cb 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_requests.h +++ b/drivers/gpu/drm/i915/gt/intel_gt_requests.h @@ -7,7 +7,9 @@ #ifndef INTEL_GT_REQUESTS_H #define INTEL_GT_REQUESTS_H +struct intel_engine_cs; struct intel_gt; +struct intel_timeline; long intel_gt_retire_requests_timeout(struct intel_gt *gt, long timeout); static inline void intel_gt_retire_requests(struct intel_gt *gt) @@ -15,6 +17,11 @@ static inline void intel_gt_retire_requests(struct intel_gt *gt) intel_gt_retire_requests_timeout(gt, 0); } +void intel_engine_init_retire(struct intel_engine_cs *engine); +void intel_engine_add_retire(struct intel_engine_cs *engine, + struct intel_timeline *tl); +void intel_engine_fini_retire(struct intel_engine_cs *engine); + int intel_gt_wait_for_idle(struct intel_gt *gt, long timeout); void intel_gt_init_requests(struct intel_gt *gt); diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c index 0d0dca3d6724..be3c6f6aa102 100644 --- a/drivers/gpu/drm/i915/gt/intel_lrc.c +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c @@ -142,6 +142,7 @@ #include "intel_engine_pm.h" #include "intel_gt.h" #include "intel_gt_pm.h" +#include "intel_gt_requests.h" #include "intel_lrc_reg.h" #include "intel_mocs.h" #include "intel_reset.h" @@ -1170,6 +1171,14 @@ __execlists_schedule_out(struct i915_request *rq, * refrain from doing non-trivial work here. */ + /* + * If we have just completed this context, the engine may now be + * idle and we want to re-enter powersaving. + */ + if (list_is_last(&rq->link, &ce->timeline->requests) && + i915_request_completed(rq)) + intel_engine_add_retire(engine, ce->timeline); + intel_engine_context_out(engine); execlists_context_status_change(rq, INTEL_CONTEXT_SCHEDULE_OUT); intel_gt_pm_put_async(engine->gt); diff --git a/drivers/gpu/drm/i915/gt/intel_timeline.c b/drivers/gpu/drm/i915/gt/intel_timeline.c index b190a5d9ab02..c1d2419444f8 100644 --- a/drivers/gpu/drm/i915/gt/intel_timeline.c +++ b/drivers/gpu/drm/i915/gt/intel_timeline.c @@ -277,6 +277,7 @@ void intel_timeline_fini(struct intel_timeline *timeline) { GEM_BUG_ON(atomic_read(&timeline->pin_count)); GEM_BUG_ON(!list_empty(&timeline->requests)); + GEM_BUG_ON(timeline->retire); if (timeline->hwsp_cacheline) cacheline_free(timeline->hwsp_cacheline); diff --git a/drivers/gpu/drm/i915/gt/intel_timeline_types.h b/drivers/gpu/drm/i915/gt/intel_timeline_types.h index 5244615ed1cb..aaf15cbe1ce1 100644 --- a/drivers/gpu/drm/i915/gt/intel_timeline_types.h +++ b/drivers/gpu/drm/i915/gt/intel_timeline_types.h @@ -66,6 +66,9 @@ struct intel_timeline { */ struct i915_active_fence last_request; + /** A chain of completed timelines ready for early retirement. */ + struct intel_timeline *retire; + /** * We track the most recent seqno that we wait on in every context so * that we only have to emit a new await and dependency on a more -- 2.24.0 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
next prev parent reply other threads:[~2019-11-24 17:05 UTC|newest] Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-11-24 17:05 [CI 1/4] drm/i915/gt: Mark the execlists->active as the primary volatile access Chris Wilson 2019-11-24 17:05 ` [Intel-gfx] " Chris Wilson 2019-11-24 17:05 ` [CI 2/4] drm/i915: Serialise with engine-pm around requests on the kernel_context Chris Wilson 2019-11-24 17:05 ` [Intel-gfx] " Chris Wilson 2019-11-25 10:44 ` Tvrtko Ursulin 2019-11-25 10:44 ` [Intel-gfx] " Tvrtko Ursulin 2019-11-25 10:54 ` Chris Wilson 2019-11-25 10:54 ` [Intel-gfx] " Chris Wilson 2019-11-24 17:05 ` [CI 3/4] drm/i915/gt: Adapt engine_park synchronisation rules for engine_retire Chris Wilson 2019-11-24 17:05 ` [Intel-gfx] " Chris Wilson 2019-11-24 17:05 ` Chris Wilson [this message] 2019-11-24 17:05 ` [Intel-gfx] [CI 4/4] drm/i915/gt: Schedule request retirement when timeline idles Chris Wilson 2019-11-24 17:12 ` ✗ Fi.CI.CHECKPATCH: warning for series starting with [CI,1/4] drm/i915/gt: Mark the execlists->active as the primary volatile access Patchwork 2019-11-24 17:12 ` [Intel-gfx] " Patchwork 2019-11-24 17:36 ` ✓ Fi.CI.BAT: success " Patchwork 2019-11-24 17:36 ` [Intel-gfx] " Patchwork 2019-11-24 22:42 ` ✗ Fi.CI.IGT: failure " Patchwork 2019-11-24 22:42 ` [Intel-gfx] " Patchwork 2019-11-25 9:16 ` [CI 1/4] " Mika Kuoppala 2019-11-25 9:16 ` [Intel-gfx] " Mika Kuoppala 2019-11-25 9:23 ` Chris Wilson 2019-11-25 9:23 ` [Intel-gfx] " Chris Wilson 2019-11-25 9:38 ` Mika Kuoppala 2019-11-25 9:38 ` [Intel-gfx] " Mika Kuoppala
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