[Intel-gfx] [PATCH 20/36] drm/i915: Move request runtime management onto gt
Chris Wilson
chris at chris-wilson.co.uk
Thu Aug 29 08:11:34 UTC 2019
Requests are run from the gt and are tided into the gt runtime power
management, so pull the runtime request management under gt/
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
drivers/gpu/drm/i915/Makefile | 1 +
drivers/gpu/drm/i915/gem/i915_gem_mman.c | 6 +-
drivers/gpu/drm/i915/gem/i915_gem_pm.c | 22 +---
.../drm/i915/gem/selftests/i915_gem_context.c | 5 +-
.../drm/i915/gem/selftests/i915_gem_mman.c | 2 +-
drivers/gpu/drm/i915/gt/intel_gt.c | 2 +
drivers/gpu/drm/i915/gt/intel_gt_pm.c | 9 +-
drivers/gpu/drm/i915/gt/intel_gt_requests.c | 118 ++++++++++++++++++
drivers/gpu/drm/i915/gt/intel_gt_requests.h | 19 +++
drivers/gpu/drm/i915/gt/intel_gt_types.h | 11 ++
drivers/gpu/drm/i915/gt/selftest_timeline.c | 8 +-
drivers/gpu/drm/i915/i915_debugfs.c | 17 +--
drivers/gpu/drm/i915/i915_drv.h | 10 --
drivers/gpu/drm/i915/i915_gem.c | 15 ---
drivers/gpu/drm/i915/i915_gem_evict.c | 14 +--
drivers/gpu/drm/i915/i915_gem_gtt.c | 4 +-
drivers/gpu/drm/i915/i915_request.c | 59 +--------
drivers/gpu/drm/i915/i915_request.h | 3 +-
.../gpu/drm/i915/selftests/igt_flush_test.c | 9 +-
.../gpu/drm/i915/selftests/igt_live_test.c | 5 +-
.../gpu/drm/i915/selftests/mock_gem_device.c | 9 +-
21 files changed, 203 insertions(+), 145 deletions(-)
create mode 100644 drivers/gpu/drm/i915/gt/intel_gt_requests.c
create mode 100644 drivers/gpu/drm/i915/gt/intel_gt_requests.h
diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index 658b930d34a8..ab5fa58d24f7 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -83,6 +83,7 @@ gt-y += \
gt/intel_gt_irq.o \
gt/intel_gt_pm.o \
gt/intel_gt_pm_irq.o \
+ gt/intel_gt_requests.o \
gt/intel_hangcheck.o \
gt/intel_lrc.o \
gt/intel_renderstate.o \
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c
index 316aa8741acb..f98f63547739 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c
@@ -8,6 +8,7 @@
#include <linux/sizes.h>
#include "gt/intel_gt.h"
+#include "gt/intel_gt_requests.h"
#include "i915_drv.h"
#include "i915_gem_gtt.h"
@@ -429,6 +430,7 @@ void i915_gem_object_release_mmap(struct drm_i915_gem_object *obj)
static int create_mmap_offset(struct drm_i915_gem_object *obj)
{
struct drm_i915_private *i915 = to_i915(obj->base.dev);
+ struct intel_gt *gt = &i915->gt;
int err;
err = drm_gem_create_mmap_offset(&obj->base);
@@ -437,7 +439,7 @@ static int create_mmap_offset(struct drm_i915_gem_object *obj)
/* Attempt to reap some mmap space from dead objects */
do {
- err = i915_gem_wait_for_idle(i915, MAX_SCHEDULE_TIMEOUT);
+ err = intel_gt_wait_for_idle(gt, MAX_SCHEDULE_TIMEOUT);
if (err)
break;
@@ -446,7 +448,7 @@ static int create_mmap_offset(struct drm_i915_gem_object *obj)
if (!err)
break;
- } while (flush_delayed_work(&i915->gem.retire_work));
+ } while (flush_delayed_work(>->requests.retire_work));
return err;
}
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_pm.c b/drivers/gpu/drm/i915/gem/i915_gem_pm.c
index afbcf9219267..b459719386e3 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_pm.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_pm.c
@@ -7,31 +7,18 @@
#include "gem/i915_gem_pm.h"
#include "gt/intel_gt.h"
#include "gt/intel_gt_pm.h"
+#include "gt/intel_gt_requests.h"
#include "i915_drv.h"
#include "i915_globals.h"
static void i915_gem_park(struct drm_i915_private *i915)
{
- cancel_delayed_work(&i915->gem.retire_work);
-
i915_vma_parked(i915);
i915_globals_park();
}
-static void retire_work_handler(struct work_struct *work)
-{
- struct drm_i915_private *i915 =
- container_of(work, typeof(*i915), gem.retire_work.work);
-
- i915_retire_requests(i915, 0);
-
- queue_delayed_work(i915->wq,
- &i915->gem.retire_work,
- round_jiffies_up_relative(HZ));
-}
-
static int pm_notifier(struct notifier_block *nb,
unsigned long action,
void *data)
@@ -42,9 +29,6 @@ static int pm_notifier(struct notifier_block *nb,
switch (action) {
case INTEL_GT_UNPARK:
i915_globals_unpark();
- queue_delayed_work(i915->wq,
- &i915->gem.retire_work,
- round_jiffies_up_relative(HZ));
break;
case INTEL_GT_PARK:
@@ -59,7 +43,7 @@ static bool switch_to_kernel_context_sync(struct intel_gt *gt)
{
bool result = !intel_gt_is_wedged(gt);
- if (i915_gem_wait_for_idle(gt->i915, I915_GEM_IDLE_TIMEOUT) == -ETIME) {
+ if (intel_gt_wait_for_idle(gt, I915_GEM_IDLE_TIMEOUT) == -ETIME) {
/* XXX hide warning from gem_eio */
if (i915_modparams.reset) {
dev_err(gt->i915->drm.dev,
@@ -219,8 +203,6 @@ void i915_gem_resume(struct drm_i915_private *i915)
void i915_gem_init__pm(struct drm_i915_private *i915)
{
- INIT_DELAYED_WORK(&i915->gem.retire_work, retire_work_handler);
-
i915->gem.pm_notifier.notifier_call = pm_notifier;
blocking_notifier_chain_register(&i915->gt.pm_notifications,
&i915->gem.pm_notifier);
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
index bc4c8d763024..e80d309f5427 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
@@ -8,6 +8,7 @@
#include "gem/i915_gem_pm.h"
#include "gt/intel_gt.h"
+#include "gt/intel_gt_requests.h"
#include "gt/intel_reset.h"
#include "i915_selftest.h"
@@ -304,7 +305,7 @@ create_test_object(struct i915_address_space *vm,
int err;
/* Keep in GEM's good graces */
- i915_retire_requests(vm->i915, 0);
+ intel_gt_retire_requests(vm->gt, 0);
size = min(vm->total / 2, 1024ull * DW_PER_PAGE * PAGE_SIZE);
size = round_down(size, DW_PER_PAGE * PAGE_SIZE);
@@ -922,7 +923,7 @@ __sseu_finish(const char *name,
igt_spinner_end(spin);
if ((flags & TEST_IDLE) && ret == 0) {
- ret = i915_gem_wait_for_idle(ce->engine->i915,
+ ret = intel_gt_wait_for_idle(ce->engine->gt,
MAX_SCHEDULE_TIMEOUT);
if (ret)
return ret;
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
index 8563af1819c4..382b6aefefec 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
@@ -385,7 +385,7 @@ static void disable_retire_worker(struct drm_i915_private *i915)
{
i915_gem_driver_unregister__shrinker(i915);
intel_gt_pm_get(&i915->gt);
- cancel_delayed_work_sync(&i915->gem.retire_work);
+ cancel_delayed_work_sync(&i915->gt.requests.retire_work);
}
static void restore_retire_worker(struct drm_i915_private *i915)
diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c
index c2afffb94474..f38628bfd34c 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt.c
@@ -6,6 +6,7 @@
#include "i915_drv.h"
#include "intel_gt.h"
#include "intel_gt_pm.h"
+#include "intel_gt_requests.h"
#include "intel_uncore.h"
void intel_gt_init_early(struct intel_gt *gt, struct drm_i915_private *i915)
@@ -20,6 +21,7 @@ void intel_gt_init_early(struct intel_gt *gt, struct drm_i915_private *i915)
intel_gt_init_hangcheck(gt);
intel_gt_init_reset(gt);
+ intel_gt_init_requests(gt);
intel_gt_pm_init_early(gt);
intel_uc_init_early(>->uc);
}
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_pm.c b/drivers/gpu/drm/i915/gt/intel_gt_pm.c
index 1363e069ec83..0d54c487249f 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_pm.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt_pm.c
@@ -9,6 +9,7 @@
#include "intel_engine_pm.h"
#include "intel_gt.h"
#include "intel_gt_pm.h"
+#include "intel_gt_requests.h"
#include "intel_pm.h"
#include "intel_wakeref.h"
@@ -47,6 +48,7 @@ static int __gt_unpark(struct intel_wakeref *wf)
i915_pmu_gt_unparked(i915);
intel_gt_queue_hangcheck(gt);
+ intel_gt_unpark_requests(gt);
pm_notify(i915, INTEL_GT_UNPARK);
@@ -55,13 +57,14 @@ static int __gt_unpark(struct intel_wakeref *wf)
static int __gt_park(struct intel_wakeref *wf)
{
- struct drm_i915_private *i915 =
- container_of(wf, typeof(*i915), gt.wakeref);
- intel_wakeref_t wakeref = fetch_and_zero(&i915->gt.awake);
+ struct intel_gt *gt = container_of(wf, typeof(*gt), wakeref);
+ intel_wakeref_t wakeref = fetch_and_zero(>->awake);
+ struct drm_i915_private *i915 = gt->i915;
GEM_TRACE("\n");
pm_notify(i915, INTEL_GT_PARK);
+ intel_gt_park_requests(gt);
i915_pmu_gt_parked(i915);
if (INTEL_GEN(i915) >= 6)
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_requests.c b/drivers/gpu/drm/i915/gt/intel_gt_requests.c
new file mode 100644
index 000000000000..15b2afccb435
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/intel_gt_requests.c
@@ -0,0 +1,118 @@
+/*
+ * SPDX-License-Identifier: MIT
+ *
+ * Copyright © 2019 Intel Corporation
+ */
+
+#include "i915_request.h"
+#include "intel_gt.h"
+#include "intel_gt_pm.h"
+#include "intel_gt_requests.h"
+#include "intel_timeline.h"
+
+static void retire_requests(struct intel_timeline *tl)
+{
+ struct i915_request *rq, *rn;
+
+ list_for_each_entry_safe(rq, rn, &tl->requests, link)
+ if (!i915_request_retire(rq))
+ break;
+}
+
+long intel_gt_retire_requests(struct intel_gt *gt, long timeout)
+{
+ struct intel_gt_timelines *timelines = >->timelines;
+ struct intel_timeline *tl, *tn;
+ unsigned long active_count = 0;
+ unsigned long flags;
+ LIST_HEAD(free);
+
+ spin_lock_irqsave(&timelines->lock, flags);
+ list_for_each_entry_safe(tl, tn, &timelines->active_list, link) {
+ if (!mutex_trylock(&tl->mutex))
+ continue;
+
+ intel_timeline_get(tl);
+ GEM_BUG_ON(!tl->active_count);
+ tl->active_count++; /* pin the list element */
+ spin_unlock_irqrestore(&timelines->lock, flags);
+
+ if (timeout > 0) {
+ struct dma_fence *fence;
+
+ fence = i915_active_fence_get(&tl->last_request);
+ if (fence) {
+ timeout = dma_fence_wait_timeout(fence,
+ true,
+ timeout);
+ dma_fence_put(fence);
+ }
+ }
+
+ retire_requests(tl);
+
+ spin_lock_irqsave(&timelines->lock, flags);
+
+ /* Resume iteration after dropping lock */
+ list_safe_reset_next(tl, tn, link);
+ if (--tl->active_count)
+ active_count += !!rcu_access_pointer(tl->last_request.fence);
+ else
+ list_del(&tl->link);
+
+ mutex_unlock(&tl->mutex);
+
+ /* Defer the final release to after the spinlock */
+ if (refcount_dec_and_test(&tl->kref.refcount)) {
+ GEM_BUG_ON(tl->active_count);
+ list_add(&tl->link, &free);
+ }
+ }
+ spin_unlock_irqrestore(&timelines->lock, flags);
+
+ list_for_each_entry_safe(tl, tn, &free, link)
+ __intel_timeline_free(&tl->kref);
+
+ return active_count ? timeout : 0;
+}
+
+int intel_gt_wait_for_idle(struct intel_gt *gt, long timeout)
+{
+ /* If the device is asleep, we have no requests outstanding */
+ if (!intel_gt_pm_is_awake(gt))
+ return 0;
+
+ while ((timeout = intel_gt_retire_requests(gt, timeout)) > 0) {
+ cond_resched();
+ if (signal_pending(current))
+ return -EINTR;
+ }
+
+ return timeout;
+}
+
+static void retire_work_handler(struct work_struct *work)
+{
+ struct intel_gt *gt =
+ container_of(work, typeof(*gt), requests.retire_work.work);
+
+ intel_gt_retire_requests(gt, 0);
+ schedule_delayed_work(>->requests.retire_work,
+ round_jiffies_up_relative(HZ));
+}
+
+void intel_gt_init_requests(struct intel_gt *gt)
+{
+ INIT_DELAYED_WORK(>->requests.retire_work, retire_work_handler);
+}
+
+void intel_gt_park_requests(struct intel_gt *gt)
+{
+ cancel_delayed_work(>->requests.retire_work);
+}
+
+void intel_gt_unpark_requests(struct intel_gt *gt)
+{
+ schedule_delayed_work(>->requests.retire_work,
+ round_jiffies_up_relative(HZ));
+}
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_requests.h b/drivers/gpu/drm/i915/gt/intel_gt_requests.h
new file mode 100644
index 000000000000..af07d54ca0af
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/intel_gt_requests.h
@@ -0,0 +1,19 @@
+/*
+ * SPDX-License-Identifier: MIT
+ *
+ * Copyright © 2019 Intel Corporation
+ */
+
+#ifndef INTEL_GT_REQUESTS_H
+#define INTEL_GT_REQUESTS_H
+
+struct intel_gt;
+
+long intel_gt_retire_requests(struct intel_gt *gt, long timeout);
+int intel_gt_wait_for_idle(struct intel_gt *gt, long timeout);
+
+void intel_gt_init_requests(struct intel_gt *gt);
+void intel_gt_park_requests(struct intel_gt *gt);
+void intel_gt_unpark_requests(struct intel_gt *gt);
+
+#endif /* INTEL_GT_REQUESTS_H */
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_types.h b/drivers/gpu/drm/i915/gt/intel_gt_types.h
index dc295c196d11..2d040459bd6c 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_types.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt_types.h
@@ -49,6 +49,17 @@ struct intel_gt {
struct list_head hwsp_free_list;
} timelines;
+ struct intel_gt_requests {
+ /**
+ * We leave the user IRQ off as much as possible,
+ * but this means that requests will finish and never
+ * be retired once the system goes idle. Set a timer to
+ * fire periodically while the ring is running. When it
+ * fires, go retire requests.
+ */
+ struct delayed_work retire_work;
+ } requests;
+
struct intel_wakeref wakeref;
struct list_head closed_vma;
diff --git a/drivers/gpu/drm/i915/gt/selftest_timeline.c b/drivers/gpu/drm/i915/gt/selftest_timeline.c
index b0b0fa5f91de..4490293ec77a 100644
--- a/drivers/gpu/drm/i915/gt/selftest_timeline.c
+++ b/drivers/gpu/drm/i915/gt/selftest_timeline.c
@@ -8,6 +8,7 @@
#include "intel_engine_pm.h"
#include "intel_gt.h"
+#include "intel_gt_requests.h"
#include "../selftests/i915_random.h"
#include "../i915_selftest.h"
@@ -641,6 +642,7 @@ static int live_hwsp_alternate(void *arg)
static int live_hwsp_wrap(void *arg)
{
struct drm_i915_private *i915 = arg;
+ struct intel_gt *gt = &i915->gt;
struct intel_engine_cs *engine;
struct intel_timeline *tl;
enum intel_engine_id id;
@@ -651,7 +653,7 @@ static int live_hwsp_wrap(void *arg)
* foreign GPU references.
*/
- tl = intel_timeline_create(&i915->gt, NULL);
+ tl = intel_timeline_create(gt, NULL);
if (IS_ERR(tl))
return PTR_ERR(tl);
@@ -662,7 +664,7 @@ static int live_hwsp_wrap(void *arg)
if (err)
goto out_free;
- for_each_engine(engine, i915, id) {
+ for_each_engine(engine, gt->i915, id) {
const u32 *hwsp_seqno[2];
struct i915_request *rq;
u32 seqno[2];
@@ -734,7 +736,7 @@ static int live_hwsp_wrap(void *arg)
goto out;
}
- i915_retire_requests(i915, 0); /* recycle HWSP */
+ intel_gt_retire_requests(gt, 0); /* recycle HWSP */
}
out:
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index d7410f3f576f..936172f58a65 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -41,6 +41,7 @@
#include "gem/i915_gem_context.h"
#include "gt/intel_gt_pm.h"
+#include "gt/intel_gt_requests.h"
#include "gt/intel_reset.h"
#include "gt/uc/intel_guc_submission.h"
@@ -3601,33 +3602,33 @@ static int
i915_drop_caches_set(void *data, u64 val)
{
struct drm_i915_private *i915 = data;
+ struct intel_gt *gt = &i915->gt;
int ret;
DRM_DEBUG("Dropping caches: 0x%08llx [0x%08llx]\n",
val, val & DROP_ALL);
if (val & DROP_RESET_ACTIVE &&
- wait_for(intel_engines_are_idle(&i915->gt),
- I915_IDLE_ENGINES_TIMEOUT))
- intel_gt_set_wedged(&i915->gt);
+ wait_for(intel_engines_are_idle(gt), I915_IDLE_ENGINES_TIMEOUT))
+ intel_gt_set_wedged(gt);
if (val & DROP_RETIRE)
- i915_retire_requests(i915, 0);
+ intel_gt_retire_requests(gt, 0);
if (val & (DROP_IDLE | DROP_ACTIVE)) {
- ret = i915_gem_wait_for_idle(i915, MAX_SCHEDULE_TIMEOUT);
+ ret = intel_gt_wait_for_idle(gt, MAX_SCHEDULE_TIMEOUT);
if (ret)
return ret;
}
if (val & DROP_IDLE) {
- ret = intel_gt_pm_wait_for_idle(&i915->gt);
+ ret = intel_gt_pm_wait_for_idle(gt);
if (ret)
return ret;
}
- if (val & DROP_RESET_ACTIVE && intel_gt_terminally_wedged(&i915->gt))
- intel_gt_handle_error(&i915->gt, ALL_ENGINES, 0, NULL);
+ if (val & DROP_RESET_ACTIVE && intel_gt_terminally_wedged(gt))
+ intel_gt_handle_error(gt, ALL_ENGINES, 0, NULL);
fs_reclaim_acquire(GFP_KERNEL);
if (val & DROP_BOUND)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index e91159cb2fb6..9d1d6bdb3fee 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1708,15 +1708,6 @@ struct drm_i915_private {
struct {
struct notifier_block pm_notifier;
-
- /**
- * We leave the user IRQ off as much as possible,
- * but this means that requests will finish and never
- * be retired once the system goes idle. Set a timer to
- * fire periodically while the ring is running. When it
- * fires, go retire requests.
- */
- struct delayed_work retire_work;
} gem;
/* For i945gm vblank irq vs. C3 workaround */
@@ -2313,7 +2304,6 @@ void i915_gem_driver_register(struct drm_i915_private *i915);
void i915_gem_driver_unregister(struct drm_i915_private *i915);
void i915_gem_driver_remove(struct drm_i915_private *dev_priv);
void i915_gem_driver_release(struct drm_i915_private *dev_priv);
-int i915_gem_wait_for_idle(struct drm_i915_private *dev_priv, long timeout);
void i915_gem_suspend(struct drm_i915_private *dev_priv);
void i915_gem_suspend_late(struct drm_i915_private *dev_priv);
void i915_gem_resume(struct drm_i915_private *dev_priv);
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index a045166184fa..bdb036ff7fc7 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -890,21 +890,6 @@ void i915_gem_runtime_suspend(struct drm_i915_private *i915)
}
}
-int i915_gem_wait_for_idle(struct drm_i915_private *i915, long timeout)
-{
- /* If the device is asleep, we have no requests outstanding */
- if (!intel_gt_pm_is_awake(&i915->gt))
- return 0;
-
- while ((timeout = i915_retire_requests(i915, timeout)) > 0) {
- cond_resched();
- if (signal_pending(current))
- return -EINTR;
- }
-
- return timeout;
-}
-
struct i915_vma *
i915_gem_object_ggtt_pin(struct drm_i915_gem_object *obj,
const struct i915_ggtt_view *view,
diff --git a/drivers/gpu/drm/i915/i915_gem_evict.c b/drivers/gpu/drm/i915/i915_gem_evict.c
index 708055a3887e..80302418a590 100644
--- a/drivers/gpu/drm/i915/i915_gem_evict.c
+++ b/drivers/gpu/drm/i915/i915_gem_evict.c
@@ -29,6 +29,7 @@
#include <drm/i915_drm.h>
#include "gem/i915_gem_context.h"
+#include "gt/intel_gt_requests.h"
#include "i915_drv.h"
#include "i915_trace.h"
@@ -37,7 +38,7 @@ I915_SELFTEST_DECLARE(static struct igt_evict_ctl {
bool fail_if_busy:1;
} igt_evict_ctl;)
-static int ggtt_flush(struct drm_i915_private *i915)
+static int ggtt_flush(struct intel_gt *gt)
{
/*
* Not everything in the GGTT is tracked via vma (otherwise we
@@ -46,7 +47,7 @@ static int ggtt_flush(struct drm_i915_private *i915)
* the hopes that we can then remove contexts and the like only
* bound by their active reference.
*/
- return i915_gem_wait_for_idle(i915, MAX_SCHEDULE_TIMEOUT);
+ return intel_gt_wait_for_idle(gt, MAX_SCHEDULE_TIMEOUT);
}
static bool
@@ -92,7 +93,6 @@ i915_gem_evict_something(struct i915_address_space *vm,
u64 start, u64 end,
unsigned flags)
{
- struct drm_i915_private *dev_priv = vm->i915;
struct drm_mm_scan scan;
struct list_head eviction_list;
struct i915_vma *vma, *next;
@@ -124,7 +124,7 @@ i915_gem_evict_something(struct i915_address_space *vm,
min_size, alignment, cache_level,
start, end, mode);
- i915_retire_requests(vm->i915, 0);
+ intel_gt_retire_requests(vm->gt, 0);
search_again:
active = NULL;
@@ -197,7 +197,7 @@ i915_gem_evict_something(struct i915_address_space *vm,
if (I915_SELFTEST_ONLY(igt_evict_ctl.fail_if_busy))
return -EBUSY;
- ret = ggtt_flush(dev_priv);
+ ret = ggtt_flush(vm->gt);
if (ret)
return ret;
@@ -271,7 +271,7 @@ int i915_gem_evict_for_node(struct i915_address_space *vm,
* a stray pin (preventing eviction) that can only be resolved by
* retiring.
*/
- i915_retire_requests(vm->i915, 0);
+ intel_gt_retire_requests(vm->gt, 0);
check_color = vm->mm.color_adjust;
if (check_color) {
@@ -374,7 +374,7 @@ int i915_gem_evict_vm(struct i915_address_space *vm)
* switch otherwise is ineffective.
*/
if (i915_is_ggtt(vm)) {
- ret = ggtt_flush(vm->i915);
+ ret = ggtt_flush(vm->gt);
if (ret)
return ret;
}
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 02c4c5a4b47f..0f7919010a6e 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -38,6 +38,7 @@
#include "display/intel_frontbuffer.h"
#include "gt/intel_gt.h"
+#include "gt/intel_gt_requests.h"
#include "i915_drv.h"
#include "i915_scatterlist.h"
@@ -2521,7 +2522,8 @@ void i915_gem_gtt_finish_pages(struct drm_i915_gem_object *obj,
struct i915_ggtt *ggtt = &dev_priv->ggtt;
if (unlikely(ggtt->do_idle_maps)) {
- if (i915_retire_requests(dev_priv, MAX_SCHEDULE_TIMEOUT)) {
+ if (intel_gt_retire_requests(ggtt->vm.gt,
+ MAX_SCHEDULE_TIMEOUT)) {
DRM_ERROR("Failed to wait for idle; VT'd may hang.\n");
/* Wait a bit, in hopes it avoids the hang */
udelay(10);
diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c
index 1c5e804c9ca2..2d20ec211cb2 100644
--- a/drivers/gpu/drm/i915/i915_request.c
+++ b/drivers/gpu/drm/i915/i915_request.c
@@ -195,7 +195,7 @@ static void free_capture_list(struct i915_request *request)
}
}
-static bool i915_request_retire(struct i915_request *rq)
+bool i915_request_retire(struct i915_request *rq)
{
lockdep_assert_held(&rq->timeline->mutex);
@@ -1429,63 +1429,6 @@ long i915_request_wait(struct i915_request *rq,
return timeout;
}
-long i915_retire_requests(struct drm_i915_private *i915, long timeout)
-{
- struct intel_gt_timelines *timelines = &i915->gt.timelines;
- struct intel_timeline *tl, *tn;
- unsigned long active_count = 0;
- unsigned long flags;
- LIST_HEAD(free);
-
- spin_lock_irqsave(&timelines->lock, flags);
- list_for_each_entry_safe(tl, tn, &timelines->active_list, link) {
- if (!mutex_trylock(&tl->mutex))
- continue;
-
- intel_timeline_get(tl);
- GEM_BUG_ON(!tl->active_count);
- tl->active_count++; /* pin the list element */
- spin_unlock_irqrestore(&timelines->lock, flags);
-
- if (timeout > 0) {
- struct dma_fence *fence;
-
- fence = i915_active_fence_get(&tl->last_request);
- if (fence) {
- timeout = dma_fence_wait_timeout(fence,
- true,
- timeout);
- dma_fence_put(fence);
- }
- }
-
- retire_requests(tl);
-
- spin_lock_irqsave(&timelines->lock, flags);
-
- /* Resume iteration after dropping lock */
- list_safe_reset_next(tl, tn, link);
- if (--tl->active_count)
- active_count += !!rcu_access_pointer(tl->last_request.fence);
- else
- list_del(&tl->link);
-
- mutex_unlock(&tl->mutex);
-
- /* Defer the final release to after the spinlock */
- if (refcount_dec_and_test(&tl->kref.refcount)) {
- GEM_BUG_ON(tl->active_count);
- list_add(&tl->link, &free);
- }
- }
- spin_unlock_irqrestore(&timelines->lock, flags);
-
- list_for_each_entry_safe(tl, tn, &free, link)
- __intel_timeline_free(&tl->kref);
-
- return active_count ? timeout : 0;
-}
-
#if IS_ENABLED(CONFIG_DRM_I915_SELFTEST)
#include "selftests/mock_request.c"
#include "selftests/i915_request.c"
diff --git a/drivers/gpu/drm/i915/i915_request.h b/drivers/gpu/drm/i915/i915_request.h
index 2a5d682aa6b1..de9ad92145d2 100644
--- a/drivers/gpu/drm/i915/i915_request.h
+++ b/drivers/gpu/drm/i915/i915_request.h
@@ -250,6 +250,7 @@ struct i915_request *__i915_request_commit(struct i915_request *request);
void __i915_request_queue(struct i915_request *rq,
const struct i915_sched_attr *attr);
+bool i915_request_retire(struct i915_request *rq);
void i915_request_retire_upto(struct i915_request *rq);
static inline struct i915_request *
@@ -439,6 +440,4 @@ static inline bool i915_request_has_nopreempt(const struct i915_request *rq)
return unlikely(rq->flags & I915_REQUEST_NOPREEMPT);
}
-long i915_retire_requests(struct drm_i915_private *i915, long timeout);
-
#endif /* I915_REQUEST_H */
diff --git a/drivers/gpu/drm/i915/selftests/igt_flush_test.c b/drivers/gpu/drm/i915/selftests/igt_flush_test.c
index ed496bd6d84f..7b0939e3f007 100644
--- a/drivers/gpu/drm/i915/selftests/igt_flush_test.c
+++ b/drivers/gpu/drm/i915/selftests/igt_flush_test.c
@@ -4,8 +4,8 @@
* Copyright © 2018 Intel Corporation
*/
-#include "gem/i915_gem_context.h"
#include "gt/intel_gt.h"
+#include "gt/intel_gt_requests.h"
#include "i915_drv.h"
#include "i915_selftest.h"
@@ -14,11 +14,12 @@
int igt_flush_test(struct drm_i915_private *i915)
{
- int ret = intel_gt_is_wedged(&i915->gt) ? -EIO : 0;
+ struct intel_gt *gt = &i915->gt;
+ int ret = intel_gt_is_wedged(gt) ? -EIO : 0;
cond_resched();
- if (i915_gem_wait_for_idle(i915, HZ / 5) == -ETIME) {
+ if (intel_gt_wait_for_idle(gt, HZ / 5) == -ETIME) {
pr_err("%pS timed out, cancelling all further testing.\n",
__builtin_return_address(0));
@@ -26,7 +27,7 @@ int igt_flush_test(struct drm_i915_private *i915)
__builtin_return_address(0));
GEM_TRACE_DUMP();
- intel_gt_set_wedged(&i915->gt);
+ intel_gt_set_wedged(gt);
ret = -EIO;
}
diff --git a/drivers/gpu/drm/i915/selftests/igt_live_test.c b/drivers/gpu/drm/i915/selftests/igt_live_test.c
index eae90f97df6c..810b60100c2c 100644
--- a/drivers/gpu/drm/i915/selftests/igt_live_test.c
+++ b/drivers/gpu/drm/i915/selftests/igt_live_test.c
@@ -4,7 +4,8 @@
* Copyright © 2018 Intel Corporation
*/
-#include "../i915_drv.h"
+#include "i915_drv.h"
+#include "gt/intel_gt_requests.h"
#include "../i915_selftest.h"
#include "igt_flush_test.h"
@@ -23,7 +24,7 @@ int igt_live_test_begin(struct igt_live_test *t,
t->func = func;
t->name = name;
- err = i915_gem_wait_for_idle(i915, MAX_SCHEDULE_TIMEOUT);
+ err = intel_gt_wait_for_idle(&i915->gt, MAX_SCHEDULE_TIMEOUT);
if (err) {
pr_err("%s(%s): failed to idle before, with err=%d!",
func, name, err);
diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
index 66cc5634db1c..af0356e66a47 100644
--- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c
+++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
@@ -26,6 +26,7 @@
#include <linux/pm_runtime.h>
#include "gt/intel_gt.h"
+#include "gt/intel_gt_requests.h"
#include "gt/mock_engine.h"
#include "mock_request.h"
@@ -44,7 +45,7 @@ void mock_device_flush(struct drm_i915_private *i915)
do {
for_each_engine(engine, i915, id)
mock_engine_flush(engine);
- } while (i915_retire_requests(i915, MAX_SCHEDULE_TIMEOUT));
+ } while (intel_gt_retire_requests(&i915->gt, MAX_SCHEDULE_TIMEOUT));
}
static void mock_device_release(struct drm_device *dev)
@@ -98,10 +99,6 @@ static void release_dev(struct device *dev)
kfree(pdev);
}
-static void mock_retire_work_handler(struct work_struct *work)
-{
-}
-
static int pm_domain_resume(struct device *dev)
{
return pm_generic_runtime_resume(dev);
@@ -180,8 +177,6 @@ struct drm_i915_private *mock_gem_device(void)
mock_init_contexts(i915);
- INIT_DELAYED_WORK(&i915->gem.retire_work, mock_retire_work_handler);
-
i915->gt.awake = true;
intel_timelines_init(i915);
--
2.23.0
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