diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 67 |
1 files changed, 48 insertions, 19 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 0c8aa57ce83b..c55b1f75c980 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1740,6 +1740,7 @@ i915_gem_set_domain_ioctl(struct drm_device *dev, void *data, */ err = i915_gem_object_wait(obj, I915_WAIT_INTERRUPTIBLE | + I915_WAIT_PRIORITY | (write_domain ? I915_WAIT_ALL : 0), MAX_SCHEDULE_TIMEOUT, to_rps_client(file)); @@ -2381,11 +2382,23 @@ void __i915_gem_object_invalidate(struct drm_i915_gem_object *obj) invalidate_mapping_pages(mapping, 0, (loff_t)-1); } +/* + * Move pages to appropriate lru and release the pagevec, decrementing the + * ref count of those pages. + */ +static void check_release_pagevec(struct pagevec *pvec) +{ + check_move_unevictable_pages(pvec); + __pagevec_release(pvec); + cond_resched(); +} + static void i915_gem_object_put_pages_gtt(struct drm_i915_gem_object *obj, struct sg_table *pages) { struct sgt_iter sgt_iter; + struct pagevec pvec; struct page *page; __i915_gem_object_release_shmem(obj, pages, true); @@ -2395,6 +2408,9 @@ i915_gem_object_put_pages_gtt(struct drm_i915_gem_object *obj, if (i915_gem_object_needs_bit17_swizzle(obj)) i915_gem_object_save_bit_17_swizzle(obj, pages); + mapping_clear_unevictable(file_inode(obj->base.filp)->i_mapping); + + pagevec_init(&pvec); for_each_sgt_page(page, sgt_iter, pages) { if (obj->mm.dirty) set_page_dirty(page); @@ -2402,8 +2418,11 @@ i915_gem_object_put_pages_gtt(struct drm_i915_gem_object *obj, if (obj->mm.madv == I915_MADV_WILLNEED) mark_page_accessed(page); - put_page(page); + if (!pagevec_add(&pvec, page)) + check_release_pagevec(&pvec); } + if (pagevec_count(&pvec)) + check_release_pagevec(&pvec); obj->mm.dirty = false; sg_free_table(pages); @@ -2483,7 +2502,7 @@ unlock: mutex_unlock(&obj->mm.lock); } -static bool i915_sg_trim(struct sg_table *orig_st) +bool i915_sg_trim(struct sg_table *orig_st) { struct sg_table new_st; struct scatterlist *sg, *new_sg; @@ -2524,6 +2543,7 @@ static int i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj) unsigned long last_pfn = 0; /* suppress gcc warning */ unsigned int max_segment = i915_sg_segment_size(); unsigned int sg_page_sizes; + struct pagevec pvec; gfp_t noreclaim; int ret; @@ -2559,6 +2579,7 @@ rebuild_st: * Fail silently without starting the shrinker */ mapping = obj->base.filp->f_mapping; + mapping_set_unevictable(mapping); noreclaim = mapping_gfp_constraint(mapping, ~__GFP_RECLAIM); noreclaim |= __GFP_NORETRY | __GFP_NOWARN; @@ -2573,6 +2594,7 @@ rebuild_st: gfp_t gfp = noreclaim; do { + cond_resched(); page = shmem_read_mapping_page_gfp(mapping, i, gfp); if (likely(!IS_ERR(page))) break; @@ -2583,7 +2605,6 @@ rebuild_st: } i915_gem_shrink(dev_priv, 2 * page_count, NULL, *s++); - cond_resched(); /* * We've tried hard to allocate the memory by reaping @@ -2673,8 +2694,14 @@ rebuild_st: err_sg: sg_mark_end(sg); err_pages: - for_each_sgt_page(page, sgt_iter, st) - put_page(page); + mapping_clear_unevictable(mapping); + pagevec_init(&pvec); + for_each_sgt_page(page, sgt_iter, st) { + if (!pagevec_add(&pvec, page)) + check_release_pagevec(&pvec); + } + if (pagevec_count(&pvec)) + check_release_pagevec(&pvec); sg_free_table(st); kfree(st); @@ -3530,6 +3557,8 @@ static void __sleep_rcu(struct rcu_head *rcu) struct sleep_rcu_work *s = container_of(rcu, typeof(*s), rcu); struct drm_i915_private *i915 = s->i915; + destroy_rcu_head(&s->rcu); + if (same_epoch(i915, s->epoch)) { INIT_WORK(&s->work, __sleep_work); queue_work(i915->wq, &s->work); @@ -3646,6 +3675,7 @@ out_rearm: if (same_epoch(dev_priv, epoch)) { struct sleep_rcu_work *s = kmalloc(sizeof(*s), GFP_KERNEL); if (s) { + init_rcu_head(&s->rcu); s->i915 = dev_priv; s->epoch = epoch; call_rcu(&s->rcu, __sleep_rcu); @@ -3743,7 +3773,9 @@ i915_gem_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *file) start = ktime_get(); ret = i915_gem_object_wait(obj, - I915_WAIT_INTERRUPTIBLE | I915_WAIT_ALL, + I915_WAIT_INTERRUPTIBLE | + I915_WAIT_PRIORITY | + I915_WAIT_ALL, to_wait_timeout(args->timeout_ns), to_rps_client(file)); @@ -4710,6 +4742,8 @@ void i915_gem_object_init(struct drm_i915_gem_object *obj, INIT_LIST_HEAD(&obj->lut_list); INIT_LIST_HEAD(&obj->batch_pool_link); + init_rcu_head(&obj->rcu); + obj->ops = ops; reservation_object_init(&obj->__builtin_resv); @@ -4977,6 +5011,13 @@ static void __i915_gem_free_object_rcu(struct rcu_head *head) struct drm_i915_private *i915 = to_i915(obj->base.dev); /* + * We reuse obj->rcu for the freed list, so we had better not treat + * it like a rcu_head from this point forwards. And we expect all + * objects to be freed via this path. + */ + destroy_rcu_head(&obj->rcu); + + /* * Since we require blocking on struct_mutex to unbind the freed * object from the GPU before releasing resources back to the * system, we can not do that directly from the RCU callback (which may @@ -5293,18 +5334,6 @@ int i915_gem_init_hw(struct drm_i915_private *dev_priv) I915_WRITE(MI_PREDICATE_RESULT_2, IS_HSW_GT3(dev_priv) ? LOWER_SLICE_ENABLED : LOWER_SLICE_DISABLED); - if (HAS_PCH_NOP(dev_priv)) { - if (IS_IVYBRIDGE(dev_priv)) { - u32 temp = I915_READ(GEN7_MSG_CTL); - temp &= ~(WAIT_FOR_PCH_FLR_ACK | WAIT_FOR_PCH_RESET_ACK); - I915_WRITE(GEN7_MSG_CTL, temp); - } else if (INTEL_GEN(dev_priv) >= 7) { - u32 temp = I915_READ(HSW_NDE_RSTWRN_OPT); - temp &= ~RESET_PCH_HANDSHAKE_ENABLE; - I915_WRITE(HSW_NDE_RSTWRN_OPT, temp); - } - } - intel_gt_workarounds_apply(dev_priv); i915_gem_init_swizzling(dev_priv); @@ -5951,7 +5980,7 @@ void i915_gem_track_fb(struct drm_i915_gem_object *old, * the bits. */ BUILD_BUG_ON(INTEL_FRONTBUFFER_BITS_PER_PIPE * I915_MAX_PIPES > - sizeof(atomic_t) * BITS_PER_BYTE); + BITS_PER_TYPE(atomic_t)); if (old) { WARN_ON(!(atomic_read(&old->frontbuffer_bits) & frontbuffer_bits)); |