diff options
Diffstat (limited to 'drivers/gpu/drm/i915')
34 files changed, 388 insertions, 507 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c index e488bd8a6b5e..6167e68bbb25 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c @@ -209,6 +209,35 @@ context_get_vm_rcu(struct i915_gem_context *ctx) } while (1); } +static void intel_context_set_gem(struct intel_context *ce, + struct i915_gem_context *ctx) +{ + GEM_BUG_ON(ce->gem_context); + ce->gem_context = ctx; + + if (!test_bit(CONTEXT_ALLOC_BIT, &ce->flags)) + ce->ring = __intel_context_ring_size(SZ_16K); + + if (rcu_access_pointer(ctx->vm)) { + struct i915_address_space *vm; + + rcu_read_lock(); + vm = context_get_vm_rcu(ctx); /* hmm */ + rcu_read_unlock(); + + i915_vm_put(ce->vm); + ce->vm = vm; + } + + GEM_BUG_ON(ce->timeline); + if (ctx->timeline) + ce->timeline = intel_timeline_get(ctx->timeline); + + if (ctx->sched.priority >= I915_PRIORITY_NORMAL && + intel_engine_has_semaphores(ce->engine)) + __set_bit(CONTEXT_USE_SEMAPHORES, &ce->flags); +} + static void __free_engines(struct i915_gem_engines *e, unsigned int count) { while (count--) { @@ -251,12 +280,14 @@ static struct i915_gem_engines *default_engines(struct i915_gem_context *ctx) GEM_BUG_ON(engine->legacy_idx >= I915_NUM_ENGINES); GEM_BUG_ON(e->engines[engine->legacy_idx]); - ce = intel_context_create(ctx, engine); + ce = intel_context_create(engine); if (IS_ERR(ce)) { __free_engines(e, e->num_engines + 1); return ERR_CAST(ce); } + intel_context_set_gem(ce, ctx); + e->engines[engine->legacy_idx] = ce; e->num_engines = max(e->num_engines, engine->legacy_idx); } @@ -706,37 +737,6 @@ i915_gem_create_context(struct drm_i915_private *i915, unsigned int flags) return ctx; } -static void -destroy_kernel_context(struct i915_gem_context **ctxp) -{ - struct i915_gem_context *ctx; - - /* Keep the context ref so that we can free it immediately ourselves */ - ctx = i915_gem_context_get(fetch_and_zero(ctxp)); - GEM_BUG_ON(!i915_gem_context_is_kernel(ctx)); - - context_close(ctx); - i915_gem_context_free(ctx); -} - -struct i915_gem_context * -i915_gem_context_create_kernel(struct drm_i915_private *i915, int prio) -{ - struct i915_gem_context *ctx; - - ctx = i915_gem_create_context(i915, 0); - if (IS_ERR(ctx)) - return ctx; - - i915_gem_context_clear_bannable(ctx); - i915_gem_context_set_persistence(ctx); - ctx->sched.priority = I915_USER_PRIORITY(prio); - - GEM_BUG_ON(!i915_gem_context_is_kernel(ctx)); - - return ctx; -} - static void init_contexts(struct i915_gem_contexts *gc) { spin_lock_init(&gc->lock); @@ -746,32 +746,16 @@ static void init_contexts(struct i915_gem_contexts *gc) init_llist_head(&gc->free_list); } -int i915_gem_init_contexts(struct drm_i915_private *i915) +void i915_gem_init__contexts(struct drm_i915_private *i915) { - struct i915_gem_context *ctx; - - /* Reassure ourselves we are only called once */ - GEM_BUG_ON(i915->kernel_context); - init_contexts(&i915->gem.contexts); - - /* lowest priority; idle task */ - ctx = i915_gem_context_create_kernel(i915, I915_PRIORITY_MIN); - if (IS_ERR(ctx)) { - DRM_ERROR("Failed to create default global context\n"); - return PTR_ERR(ctx); - } - i915->kernel_context = ctx; - DRM_DEBUG_DRIVER("%s context support initialized\n", DRIVER_CAPS(i915)->has_logical_contexts ? "logical" : "fake"); - return 0; } void i915_gem_driver_release__contexts(struct drm_i915_private *i915) { - destroy_kernel_context(&i915->kernel_context); flush_work(&i915->gem.contexts.free_work); } @@ -840,7 +824,6 @@ int i915_gem_context_open(struct drm_i915_private *i915, if (err < 0) goto err_ctx; - GEM_BUG_ON(i915_gem_context_is_kernel(ctx)); GEM_BUG_ON(err > 0); return 0; @@ -1531,12 +1514,14 @@ set_engines__load_balance(struct i915_user_extension __user *base, void *data) } } - ce = intel_execlists_create_virtual(set->ctx, siblings, n); + ce = intel_execlists_create_virtual(siblings, n); if (IS_ERR(ce)) { err = PTR_ERR(ce); goto out_siblings; } + intel_context_set_gem(ce, set->ctx); + if (cmpxchg(&set->engines->engines[idx], NULL, ce)) { intel_context_put(ce); err = -EEXIST; @@ -1706,12 +1691,14 @@ set_engines(struct i915_gem_context *ctx, return -ENOENT; } - ce = intel_context_create(ctx, engine); + ce = intel_context_create(engine); if (IS_ERR(ce)) { __free_engines(set.engines, n); return PTR_ERR(ce); } + intel_context_set_gem(ce, ctx); + set.engines->engines[n] = ce; } set.engines->num_engines = num_engines; @@ -2016,13 +2003,15 @@ static int clone_engines(struct i915_gem_context *dst, */ if (intel_engine_is_virtual(engine)) clone->engines[n] = - intel_execlists_clone_virtual(dst, engine); + intel_execlists_clone_virtual(engine); else - clone->engines[n] = intel_context_create(dst, engine); + clone->engines[n] = intel_context_create(engine); if (IS_ERR_OR_NULL(clone->engines[n])) { __free_engines(clone, n); goto err_unlock; } + + intel_context_set_gem(clone->engines[n], dst); } clone->num_engines = n; diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.h b/drivers/gpu/drm/i915/gem/i915_gem_context.h index 69932899803e..14f3cc1b7583 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.h @@ -109,13 +109,8 @@ i915_gem_context_clear_user_engines(struct i915_gem_context *ctx) clear_bit(CONTEXT_USER_ENGINES, &ctx->flags); } -static inline bool i915_gem_context_is_kernel(struct i915_gem_context *ctx) -{ - return !ctx->file_priv; -} - /* i915_gem_context.c */ -int __must_check i915_gem_init_contexts(struct drm_i915_private *i915); +void i915_gem_init__contexts(struct drm_i915_private *i915); void i915_gem_driver_release__contexts(struct drm_i915_private *i915); int i915_gem_context_open(struct drm_i915_private *i915, @@ -140,9 +135,6 @@ int i915_gem_context_setparam_ioctl(struct drm_device *dev, void *data, int i915_gem_context_reset_stats_ioctl(struct drm_device *dev, void *data, struct drm_file *file); -struct i915_gem_context * -i915_gem_context_create_kernel(struct drm_i915_private *i915, int prio); - static inline struct i915_gem_context * i915_gem_context_get(struct i915_gem_context *ctx) { diff --git a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c index f7f66c62cf0e..e5558af111e2 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c @@ -779,15 +779,11 @@ i915_gem_userptr_ioctl(struct drm_device *dev, return -EFAULT; if (args->flags & I915_USERPTR_READ_ONLY) { - struct i915_address_space *vm; - /* * On almost all of the older hw, we cannot tell the GPU that * a page is readonly. */ - vm = rcu_dereference_protected(dev_priv->kernel_context->vm, - true); /* static vm */ - if (!vm || !vm->has_read_only) + if (!dev_priv->gt.vm->has_read_only) return -ENODEV; } 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 780e58fe5c64..7fc46861a54d 100644 --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c @@ -337,7 +337,7 @@ static int live_parallel_switch(void *arg) if (!data[m].ce[0]) continue; - ce = intel_context_create(ctx, data[m].ce[0]->engine); + ce = intel_context_create(data[m].ce[0]->engine); if (IS_ERR(ce)) goto out; @@ -1264,8 +1264,7 @@ __igt_ctx_sseu(struct drm_i915_private *i915, hweight32(engine->sseu.slice_mask), hweight32(pg_sseu.slice_mask)); - ce = intel_context_create(engine->kernel_context->gem_context, - engine); + ce = intel_context_create(engine); if (IS_ERR(ce)) { ret = PTR_ERR(ce); goto out_put; diff --git a/drivers/gpu/drm/i915/gem/selftests/mock_context.c b/drivers/gpu/drm/i915/gem/selftests/mock_context.c index 53e89efb09c0..7d7e13dc2fdf 100644 --- a/drivers/gpu/drm/i915/gem/selftests/mock_context.c +++ b/drivers/gpu/drm/i915/gem/selftests/mock_context.c @@ -96,7 +96,16 @@ err_ctx: struct i915_gem_context * kernel_context(struct drm_i915_private *i915) { - return i915_gem_context_create_kernel(i915, I915_PRIORITY_NORMAL); + struct i915_gem_context *ctx; + + ctx = i915_gem_create_context(i915, 0); + if (IS_ERR(ctx)) + return ctx; + + i915_gem_context_clear_bannable(ctx); + i915_gem_context_set_persistence(ctx); + + return ctx; } void kernel_context_close(struct i915_gem_context *ctx) diff --git a/drivers/gpu/drm/i915/gt/intel_context.c b/drivers/gpu/drm/i915/gt/intel_context.c index e73e976e5ecd..fbaa9df6f436 100644 --- a/drivers/gpu/drm/i915/gt/intel_context.c +++ b/drivers/gpu/drm/i915/gt/intel_context.c @@ -31,8 +31,7 @@ void intel_context_free(struct intel_context *ce) } struct intel_context * -intel_context_create(struct i915_gem_context *ctx, - struct intel_engine_cs *engine) +intel_context_create(struct intel_engine_cs *engine) { struct intel_context *ce; @@ -40,7 +39,7 @@ intel_context_create(struct i915_gem_context *ctx, if (!ce) return ERR_PTR(-ENOMEM); - intel_context_init(ce, ctx, engine); + intel_context_init(ce, engine); return ce; } @@ -71,8 +70,6 @@ int __intel_context_do_pin(struct intel_context *ce) CE_TRACE(ce, "pin ring:{head:%04x, tail:%04x}\n", ce->ring->head, ce->ring->tail); - i915_gem_context_get(ce->gem_context); /* for ctx->ppgtt */ - smp_mb__before_atomic(); /* flush pin before it is visible */ } @@ -101,7 +98,6 @@ void intel_context_unpin(struct intel_context *ce) ce->ops->unpin(ce); - i915_gem_context_put(ce->gem_context); intel_context_active_release(ce); } @@ -193,7 +189,7 @@ int intel_context_active_acquire(struct intel_context *ce) return err; /* Preallocate tracking nodes */ - if (!i915_gem_context_is_kernel(ce->gem_context)) { + if (!intel_context_is_barrier(ce)) { err = i915_active_acquire_preallocate_barrier(&ce->active, ce->engine); if (err) { @@ -214,33 +210,19 @@ void intel_context_active_release(struct intel_context *ce) void intel_context_init(struct intel_context *ce, - struct i915_gem_context *ctx, struct intel_engine_cs *engine) { - struct i915_address_space *vm; - GEM_BUG_ON(!engine->cops); + GEM_BUG_ON(!engine->gt->vm); kref_init(&ce->ref); - ce->gem_context = ctx; - rcu_read_lock(); - vm = rcu_dereference(ctx->vm); - if (vm) - ce->vm = i915_vm_get(vm); - else - ce->vm = i915_vm_get(&engine->gt->ggtt->vm); - rcu_read_unlock(); - if (ctx->timeline) - ce->timeline = intel_timeline_get(ctx->timeline); - if (ctx->sched.priority >= I915_PRIORITY_NORMAL && - intel_engine_has_semaphores(engine)) - __set_bit(CONTEXT_USE_SEMAPHORES, &ce->flags); - ce->engine = engine; ce->ops = engine->cops; ce->sseu = engine->sseu; - ce->ring = __intel_context_ring_size(SZ_16K); + ce->ring = __intel_context_ring_size(SZ_4K); + + ce->vm = i915_vm_get(engine->gt->vm); INIT_LIST_HEAD(&ce->signal_link); INIT_LIST_HEAD(&ce->signals); diff --git a/drivers/gpu/drm/i915/gt/intel_context.h b/drivers/gpu/drm/i915/gt/intel_context.h index e7ac7027969f..1d4a1b1357cf 100644 --- a/drivers/gpu/drm/i915/gt/intel_context.h +++ b/drivers/gpu/drm/i915/gt/intel_context.h @@ -25,13 +25,11 @@ } while (0) void intel_context_init(struct intel_context *ce, - struct i915_gem_context *ctx, struct intel_engine_cs *engine); void intel_context_fini(struct intel_context *ce); struct intel_context * -intel_context_create(struct i915_gem_context *ctx, - struct intel_engine_cs *engine); +intel_context_create(struct intel_engine_cs *engine); void intel_context_free(struct intel_context *ce); @@ -162,6 +160,11 @@ static inline struct intel_ring *__intel_context_ring_size(u64 sz) return u64_to_ptr(struct intel_ring, sz); } +static inline bool intel_context_is_barrier(const struct intel_context *ce) +{ + return test_bit(CONTEXT_BARRIER_BIT, &ce->flags); +} + static inline bool intel_context_use_semaphores(const struct intel_context *ce) { return test_bit(CONTEXT_USE_SEMAPHORES, &ce->flags); diff --git a/drivers/gpu/drm/i915/gt/intel_context_types.h b/drivers/gpu/drm/i915/gt/intel_context_types.h index af0d55b111f5..7dd03ad9826c 100644 --- a/drivers/gpu/drm/i915/gt/intel_context_types.h +++ b/drivers/gpu/drm/i915/gt/intel_context_types.h @@ -54,12 +54,13 @@ struct intel_context { struct intel_timeline *timeline; unsigned long flags; -#define CONTEXT_ALLOC_BIT 0 -#define CONTEXT_VALID_BIT 1 -#define CONTEXT_USE_SEMAPHORES 2 -#define CONTEXT_BANNED 3 -#define CONTEXT_FORCE_SINGLE_SUBMISSION 4 -#define CONTEXT_NOPREEMPT 5 +#define CONTEXT_BARRIER_BIT 0 +#define CONTEXT_ALLOC_BIT 1 +#define CONTEXT_VALID_BIT 2 +#define CONTEXT_USE_SEMAPHORES 3 +#define CONTEXT_BANNED 4 +#define CONTEXT_FORCE_SINGLE_SUBMISSION 5 +#define CONTEXT_NOPREEMPT 6 u32 *lrc_reg_state; u64 lrc_desc; diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c index e091b3366eae..0c4c07072473 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c @@ -759,13 +759,13 @@ create_kernel_context(struct intel_engine_cs *engine) struct intel_context *ce; int err; - ce = intel_context_create(engine->i915->kernel_context, engine); + ce = intel_context_create(engine); if (IS_ERR(ce)) return ce; - ce->ring = __intel_context_ring_size(SZ_4K); + __set_bit(CONTEXT_BARRIER_BIT, &ce->flags); - err = intel_context_pin(ce); + err = intel_context_pin(ce); /* perma-pin so it is always available */ if (err) { intel_context_put(ce); return ERR_PTR(err); @@ -800,6 +800,12 @@ int intel_engine_init_common(struct intel_engine_cs *engine) engine->set_default_submission(engine); + ret = measure_breadcrumb_dw(engine); + if (ret < 0) + return ret; + + engine->emit_fini_breadcrumb_dw = ret; + /* * We may need to do things with the shrinker which * require us to immediately switch back to the default @@ -814,18 +820,7 @@ int intel_engine_init_common(struct intel_engine_cs *engine) engine->kernel_context = ce; - ret = measure_breadcrumb_dw(engine); - if (ret < 0) - goto err_unpin; - - engine->emit_fini_breadcrumb_dw = ret; - return 0; - -err_unpin: - intel_context_unpin(ce); - intel_context_put(ce); - return ret; } /** diff --git a/drivers/gpu/drm/i915/gt/intel_engine_pm.c b/drivers/gpu/drm/i915/gt/intel_engine_pm.c index 8fb7b34fc5a6..010620b78202 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_pm.c +++ b/drivers/gpu/drm/i915/gt/intel_engine_pm.c @@ -6,6 +6,7 @@ #include "i915_drv.h" +#include "intel_context.h" #include "intel_engine.h" #include "intel_engine_heartbeat.h" #include "intel_engine_pm.h" @@ -122,6 +123,8 @@ static bool switch_to_kernel_context(struct intel_engine_cs *engine) unsigned long flags; bool result = true; + GEM_BUG_ON(!intel_context_is_barrier(ce)); + /* Already inside the kernel context, safe to power down. */ if (engine->wakeref_serial == engine->serial) return true; diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c index c4fd8d65b8a3..af4f8c810009 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt.c +++ b/drivers/gpu/drm/i915/gt/intel_gt.c @@ -74,7 +74,6 @@ int intel_gt_init_hw(struct intel_gt *gt) struct intel_uncore *uncore = gt->uncore; int ret; - BUG_ON(!i915->kernel_context); ret = intel_gt_terminally_wedged(gt); if (ret) return ret; @@ -365,6 +364,14 @@ static void intel_gt_fini_scratch(struct intel_gt *gt) i915_vma_unpin_and_release(>->scratch, 0); } +static struct i915_address_space *kernel_vm(struct intel_gt *gt) +{ + if (INTEL_PPGTT(gt->i915) > INTEL_PPGTT_ALIASING) + return &i915_ppgtt_create(gt->i915)->vm; + else + return i915_vm_get(>->ggtt->vm); +} + int intel_gt_init(struct intel_gt *gt) { int err; @@ -375,7 +382,17 @@ int intel_gt_init(struct intel_gt *gt) intel_gt_pm_init(gt); + gt->vm = kernel_vm(gt); + if (!gt->vm) { + err = -ENOMEM; + goto err_scratch; + } + return 0; + +err_scratch: + intel_gt_fini_scratch(gt); + return err; } void intel_gt_driver_remove(struct intel_gt *gt) @@ -390,6 +407,12 @@ void intel_gt_driver_unregister(struct intel_gt *gt) void intel_gt_driver_release(struct intel_gt *gt) { + struct i915_address_space *vm; + + vm = fetch_and_zero(>->vm); + if (vm) /* FIXME being called twice on error paths :( */ + i915_vm_put(vm); + intel_gt_pm_fini(gt); intel_gt_fini_scratch(gt); } diff --git a/drivers/gpu/drm/i915/gt/intel_gt_requests.c b/drivers/gpu/drm/i915/gt/intel_gt_requests.c index 0d1bca787288..063f863ee21c 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_requests.c +++ b/drivers/gpu/drm/i915/gt/intel_gt_requests.c @@ -8,6 +8,7 @@ #include "i915_drv.h" /* for_each_engine() */ #include "i915_request.h" +#include "intel_engine_heartbeat.h" #include "intel_gt.h" #include "intel_gt_pm.h" #include "intel_gt_requests.h" @@ -27,8 +28,10 @@ static void flush_submission(struct intel_gt *gt) struct intel_engine_cs *engine; enum intel_engine_id id; - for_each_engine(engine, gt, id) + for_each_engine(engine, gt, id) { intel_engine_flush_submission(engine); + flush_work(&engine->retire_work); + } } static void engine_retire(struct work_struct *work) @@ -117,10 +120,9 @@ long intel_gt_retire_requests_timeout(struct intel_gt *gt, long timeout) spin_lock(&timelines->lock); list_for_each_entry_safe(tl, tn, &timelines->active_list, link) { - if (!mutex_trylock(&tl->mutex)) { - active_count++; /* report busy to caller, try again? */ + active_count++; /* report busy to caller, try again? */ + if (!mutex_trylock(&tl->mutex)) continue; - } intel_timeline_get(tl); GEM_BUG_ON(!atomic_read(&tl->active_count)); @@ -145,10 +147,10 @@ long intel_gt_retire_requests_timeout(struct intel_gt *gt, long timeout) /* Resume iteration after dropping lock */ list_safe_reset_next(tl, tn, link); - if (atomic_dec_and_test(&tl->active_count)) + if (atomic_dec_and_test(&tl->active_count)) { list_del(&tl->link); - else - active_count += !!rcu_access_pointer(tl->last_request.fence); + active_count--; + } mutex_unlock(&tl->mutex); @@ -163,6 +165,8 @@ long intel_gt_retire_requests_timeout(struct intel_gt *gt, long timeout) list_for_each_entry_safe(tl, tn, &free, link) __intel_timeline_free(&tl->kref); + flush_submission(gt); + return active_count ? timeout : 0; } diff --git a/drivers/gpu/drm/i915/gt/intel_gt_types.h b/drivers/gpu/drm/i915/gt/intel_gt_types.h index d4e14dbd172e..96890dd12b5f 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_types.h +++ b/drivers/gpu/drm/i915/gt/intel_gt_types.h @@ -90,6 +90,13 @@ struct intel_gt { struct intel_engine_cs *engine[I915_NUM_ENGINES]; struct intel_engine_cs *engine_class[MAX_ENGINE_CLASS + 1] [MAX_ENGINE_INSTANCE + 1]; + + /* + * Default address space (either GGTT or ppGTT depending on arch). + * + * Reserved for exclusive use by the kernel. + */ + struct i915_address_space *vm; }; enum intel_gt_scratch_field { diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c index f060baf04bc0..fe2d1523bda3 100644 --- a/drivers/gpu/drm/i915/gt/intel_lrc.c +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c @@ -133,12 +133,11 @@ */ #include <linux/interrupt.h> -#include "gem/i915_gem_context.h" - #include "i915_drv.h" #include "i915_perf.h" #include "i915_trace.h" #include "i915_vgpu.h" +#include "intel_context.h" #include "intel_engine_pm.h" #include "intel_gt.h" #include "intel_gt_pm.h" @@ -1326,7 +1325,8 @@ assert_pending_valid(const struct intel_engine_execlists *execlists, if (i915_request_completed(rq)) goto unlock; - if (i915_active_is_idle(&ce->active) && ce->gem_context) { + if (i915_active_is_idle(&ce->active) && + !intel_context_is_barrier(ce)) { GEM_TRACE_ERR("Inactive context:%llx in pending[%zd]\n", ce->timeline->fence_context, port - execlists->pending); @@ -4475,8 +4475,7 @@ virtual_bond_execute(struct i915_request *rq, struct dma_fence *signal) } struct intel_context * -intel_execlists_create_virtual(struct i915_gem_context *ctx, - struct intel_engine_cs **siblings, +intel_execlists_create_virtual(struct intel_engine_cs **siblings, unsigned int count) { struct virtual_engine *ve; @@ -4487,13 +4486,13 @@ intel_execlists_create_virtual(struct i915_gem_context *ctx, return ERR_PTR(-EINVAL); if (count == 1) - return intel_context_create(ctx, siblings[0]); + return intel_context_create(siblings[0]); ve = kzalloc(struct_size(ve, siblings, count), GFP_KERNEL); if (!ve) return ERR_PTR(-ENOMEM); - ve->base.i915 = ctx->i915; + ve->base.i915 = siblings[0]->i915; ve->base.gt = siblings[0]->gt; ve->base.uncore = siblings[0]->uncore; ve->base.id = -1; @@ -4535,7 +4534,7 @@ intel_execlists_create_virtual(struct i915_gem_context *ctx, virtual_submission_tasklet, (unsigned long)ve); - intel_context_init(&ve->context, ctx, &ve->base); + intel_context_init(&ve->context, &ve->base); for (n = 0; n < count; n++) { struct intel_engine_cs *sibling = siblings[n]; @@ -4610,14 +4609,12 @@ err_put: } struct intel_context * -intel_execlists_clone_virtual(struct i915_gem_context *ctx, - struct intel_engine_cs *src) +intel_execlists_clone_virtual(struct intel_engine_cs *src) { struct virtual_engine *se = to_virtual_engine(src); struct intel_context *dst; - dst = intel_execlists_create_virtual(ctx, - se->siblings, + dst = intel_execlists_create_virtual(se->siblings, se->num_siblings); if (IS_ERR(dst)) return dst; diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.h b/drivers/gpu/drm/i915/gt/intel_lrc.h index 04511d8ebdc1..081521f17c74 100644 --- a/drivers/gpu/drm/i915/gt/intel_lrc.h +++ b/drivers/gpu/drm/i915/gt/intel_lrc.h @@ -111,13 +111,11 @@ void intel_execlists_show_requests(struct intel_engine_cs *engine, unsigned int max); struct intel_context * -intel_execlists_create_virtual(struct i915_gem_context *ctx, - struct intel_engine_cs **siblings, +intel_execlists_create_virtual(struct intel_engine_cs **siblings, unsigned int count); struct intel_context * -intel_execlists_clone_virtual(struct i915_gem_context *ctx, - struct intel_engine_cs *src); +intel_execlists_clone_virtual(struct intel_engine_cs *src); int intel_virtual_engine_attach_bond(struct intel_engine_cs *engine, const struct intel_engine_cs *master, diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c index 3d293be64fc2..95c24176ab64 100644 --- a/drivers/gpu/drm/i915/gt/intel_reset.c +++ b/drivers/gpu/drm/i915/gt/intel_reset.c @@ -52,9 +52,8 @@ static void engine_skip_context(struct i915_request *rq) i915_request_skip(rq, -EIO); } -static void client_mark_guilty(struct i915_request *rq, bool banned) +static void client_mark_guilty(struct i915_gem_context *ctx, bool banned) { - struct i915_gem_context *ctx = rq->context->gem_context; struct drm_i915_file_private *file_priv = ctx->file_priv; unsigned long prev_hang; unsigned int score; @@ -81,11 +80,15 @@ static void client_mark_guilty(struct i915_request *rq, bool banned) static bool mark_guilty(struct i915_request *rq) { - struct i915_gem_context *ctx = rq->context->gem_context; + struct i915_gem_context *ctx; unsigned long prev_hang; bool banned; int i; + ctx = rq->context->gem_context; + if (!ctx) + return false; + if (i915_gem_context_is_closed(ctx)) { intel_context_set_banned(rq->context); return true; @@ -117,14 +120,15 @@ static bool mark_guilty(struct i915_request *rq) intel_context_set_banned(rq->context); } - client_mark_guilty(rq, banned); + client_mark_guilty(ctx, banned); return banned; } static void mark_innocent(struct i915_request *rq) { - atomic_inc(&rq->context->gem_context->active_count); + if (rq->context->gem_context) + atomic_inc(&rq->context->gem_context->active_count); } void __i915_request_reset(struct i915_request *rq, bool guilty) diff --git a/drivers/gpu/drm/i915/gt/intel_ring_submission.c b/drivers/gpu/drm/i915/gt/intel_ring_submission.c index a5d30d1468f7..3dc0d0a97a61 100644 --- a/drivers/gpu/drm/i915/gt/intel_ring_submission.c +++ b/drivers/gpu/drm/i915/gt/intel_ring_submission.c @@ -1553,7 +1553,7 @@ static int remap_l3(struct i915_request *rq) struct i915_gem_context *ctx = rq->context->gem_context; int i, err; - if (!ctx->remap_slice) + if (!ctx || !ctx->remap_slice) return 0; for (i = 0; i < MAX_L3_SLICES; i++) { diff --git a/drivers/gpu/drm/i915/gt/selftest_context.c b/drivers/gpu/drm/i915/gt/selftest_context.c index af354ccdbf40..e874dfaa5316 100644 --- a/drivers/gpu/drm/i915/gt/selftest_context.c +++ b/drivers/gpu/drm/i915/gt/selftest_context.c @@ -70,15 +70,14 @@ static int context_sync(struct intel_context *ce) return err; } -static int __live_context_size(struct intel_engine_cs *engine, - struct i915_gem_context *fixme) +static int __live_context_size(struct intel_engine_cs *engine) { struct intel_context *ce; struct i915_request *rq; void *vaddr; int err; - ce = intel_context_create(fixme, engine); + ce = intel_context_create(engine); if (IS_ERR(ce)) return PTR_ERR(ce); @@ -146,7 +145,6 @@ static int live_context_size(void *arg) { struct intel_gt *gt = arg; struct intel_engine_cs *engine; - struct i915_gem_context *fixme; enum intel_engine_id id; int err = 0; @@ -155,10 +153,6 @@ static int live_context_size(void *arg) * HW tries to write past the end of one. */ - fixme = kernel_context(gt->i915); - if (IS_ERR(fixme)) - return PTR_ERR(fixme); - for_each_engine(engine, gt, id) { struct { struct drm_i915_gem_object *state; @@ -183,7 +177,7 @@ static int live_context_size(void *arg) /* Overlaps with the execlists redzone */ engine->context_size += I915_GTT_PAGE_SIZE; - err = __live_context_size(engine, fixme); + err = __live_context_size(engine); engine->context_size -= I915_GTT_PAGE_SIZE; @@ -196,12 +190,10 @@ static int live_context_size(void *arg) break; } - kernel_context_close(fixme); return err; } -static int __live_active_context(struct intel_engine_cs *engine, - struct i915_gem_context *fixme) +static int __live_active_context(struct intel_engine_cs *engine) { unsigned long saved_heartbeat; struct intel_context *ce; @@ -227,7 +219,7 @@ static int __live_active_context(struct intel_engine_cs *engine, return -EINVAL; } - ce = intel_context_create(fixme, engine); + ce = intel_context_create(engine); if (IS_ERR(ce)) return PTR_ERR(ce); @@ -310,23 +302,11 @@ static int live_active_context(void *arg) { struct intel_gt *gt = arg; struct intel_engine_cs *engine; - struct i915_gem_context *fixme; enum intel_engine_id id; - struct file *file; int err = 0; - file = mock_file(gt->i915); - if (IS_ERR(file)) - return PTR_ERR(file); - - fixme = live_context(gt->i915, file); - if (IS_ERR(fixme)) { - err = PTR_ERR(fixme); - goto out_file; - } - for_each_engine(engine, gt, id) { - err = __live_active_context(engine, fixme); + err = __live_active_context(engine); if (err) break; @@ -335,8 +315,6 @@ static int live_active_context(void *arg) break; } -out_file: - fput(file); return err; } @@ -368,8 +346,7 @@ unpin: return err; } -static int __live_remote_context(struct intel_engine_cs *engine, - struct i915_gem_context *fixme) +static int __live_remote_context(struct intel_engine_cs *engine) { struct intel_context *local, *remote; unsigned long saved_heartbeat; @@ -390,11 +367,11 @@ static int __live_remote_context(struct intel_engine_cs *engine, return -EINVAL; } - remote = intel_context_create(fixme, engine); + remote = intel_context_create(engine); if (IS_ERR(remote)) return PTR_ERR(remote); - local = intel_context_create(fixme, engine); + local = intel_context_create(engine); if (IS_ERR(local)) { err = PTR_ERR(local); goto err_remote; @@ -434,23 +411,11 @@ static int live_remote_context(void *arg) { struct intel_gt *gt = arg; struct intel_engine_cs *engine; - struct i915_gem_context *fixme; enum intel_engine_id id; - struct file *file; int err = 0; - file = mock_file(gt->i915); - if (IS_ERR(file)) - return PTR_ERR(file); - - fixme = live_context(gt->i915, file); - if (IS_ERR(fixme)) { - err = PTR_ERR(fixme); - goto out_file; - } - for_each_engine(engine, gt, id) { - err = __live_remote_context(engine, fixme); + err = __live_remote_context(engine); if (err) break; @@ -459,8 +424,6 @@ static int live_remote_context(void *arg) break; } -out_file: - fput(file); return err; } diff --git a/drivers/gpu/drm/i915/gt/selftest_engine_heartbeat.c b/drivers/gpu/drm/i915/gt/selftest_engine_heartbeat.c index 5227e79204a5..43d4d589749f 100644 --- a/drivers/gpu/drm/i915/gt/selftest_engine_heartbeat.c +++ b/drivers/gpu/drm/i915/gt/selftest_engine_heartbeat.c @@ -200,8 +200,7 @@ static int __live_heartbeat_fast(struct intel_engine_cs *engine) int err; int i; - ce = intel_context_create(engine->kernel_context->gem_context, - engine); + ce = intel_context_create(engine); if (IS_ERR(ce)) return PTR_ERR(ce); diff --git a/drivers/gpu/drm/i915/gt/selftest_hangcheck.c b/drivers/gpu/drm/i915/gt/selftest_hangcheck.c index d155c9374453..5dbda2a74272 100644 --- a/drivers/gpu/drm/i915/gt/selftest_hangcheck.c +++ b/drivers/gpu/drm/i915/gt/selftest_hangcheck.c @@ -25,7 +25,9 @@ #include <linux/kthread.h> #include "gem/i915_gem_context.h" -#include "gt/intel_gt.h" + +#include "intel_gt.h" +#include "intel_engine_heartbeat.h" #include "intel_engine_pm.h" #include "i915_selftest.h" @@ -308,6 +310,24 @@ static bool wait_until_running(struct hang *h, struct i915_request *rq) 1000)); } +static void engine_heartbeat_disable(struct intel_engine_cs *engine, + unsigned long *saved) +{ + *saved = engine->props.heartbeat_interval_ms; + engine->props.heartbeat_interval_ms = 0; + + intel_engine_pm_get(engine); + intel_engine_park_heartbeat(engine); +} + +static void engine_heartbeat_enable(struct intel_engine_cs *engine, + unsigned long saved) +{ + intel_engine_pm_put(engine); + + engine->props.heartbeat_interval_ms = saved; +} + static int igt_hang_sanitycheck(void *arg) { struct intel_gt *gt = arg; @@ -377,36 +397,30 @@ static int igt_reset_nop(void *arg) struct intel_gt *gt = arg; struct i915_gpu_error *global = >->i915->gpu_error; struct intel_engine_cs *engine; - struct i915_gem_context *ctx; unsigned int reset_count, count; enum intel_engine_id id; IGT_TIMEOUT(end_time); - struct file *file; int err = 0; /* Check that we can reset during non-user portions of requests */ - file = mock_file(gt->i915); - if (IS_ERR(file)) - return PTR_ERR(file); - - ctx = live_context(gt->i915, file); - if (IS_ERR(ctx)) { - err = PTR_ERR(ctx); - goto out; - } - - i915_gem_context_clear_bannable(ctx); reset_count = i915_reset_count(global); count = 0; do { for_each_engine(engine, gt, id) { + struct intel_context *ce; int i; + ce = intel_context_create(engine); + if (IS_ERR(ce)) { + err = PTR_ERR(ce); + break; + } + for (i = 0; i < 16; i++) { struct i915_request *rq; - rq = igt_request_alloc(ctx, engine); + rq = intel_context_create_request(ce); if (IS_ERR(rq)) { err = PTR_ERR(rq); break; @@ -414,6 +428,8 @@ static int igt_reset_nop(void *arg) i915_request_add(rq); } + + intel_context_put(ce); } igt_global_reset_lock(gt); @@ -437,10 +453,7 @@ static int igt_reset_nop(void *arg) } while (time_before(jiffies, end_time)); pr_info("%s: %d resets\n", __func__, count); - err = igt_flush_test(gt->i915); -out: - fput(file); - if (intel_gt_is_wedged(gt)) + if (igt_flush_test(gt->i915)) err = -EIO; return err; } @@ -450,36 +463,29 @@ static int igt_reset_nop_engine(void *arg) struct intel_gt *gt = arg; struct i915_gpu_error *global = >->i915->gpu_error; struct intel_engine_cs *engine; - struct i915_gem_context *ctx; enum intel_engine_id id; - struct file *file; - int err = 0; /* Check that we can engine-reset during non-user portions */ if (!intel_has_reset_engine(gt)) return 0; - file = mock_file(gt->i915); - if (IS_ERR(file)) - return PTR_ERR(file); - - ctx = live_context(gt->i915, file); - if (IS_ERR(ctx)) { - err = PTR_ERR(ctx); - goto out; - } - - i915_gem_context_clear_bannable(ctx); for_each_engine(engine, gt, id) { - unsigned int reset_count, reset_engine_count; - unsigned int count; + unsigned int reset_count, reset_engine_count, count; + struct intel_context *ce; + unsigned long heartbeat; IGT_TIMEOUT(end_time); + int err; + + ce = intel_context_create(engine); + if (IS_ERR(ce)) + return PTR_ERR(ce); reset_count = i915_reset_count(global); reset_engine_count = i915_reset_engine_count(global, engine); count = 0; + engine_heartbeat_disable(engine, &heartbeat); set_bit(I915_RESET_ENGINE + id, >->reset.flags); do { int i; @@ -494,7 +500,7 @@ static int igt_reset_nop_engine(void *arg) for (i = 0; i < 16; i++) { struct i915_request *rq; - rq = igt_request_alloc(ctx, engine); + rq = intel_context_create_request(ce); if (IS_ERR(rq)) { err = PTR_ERR(rq); break; @@ -523,22 +529,18 @@ static int igt_reset_nop_engine(void *arg) } } while (time_before(jiffies, end_time)); clear_bit(I915_RESET_ENGINE + id, >->reset.flags); - pr_info("%s(%s): %d resets\n", __func__, engine->name, count); + engine_heartbeat_enable(engine, heartbeat); - if (err) - break; + pr_info("%s(%s): %d resets\n", __func__, engine->name, count); - err = igt_flush_test(gt->i915); + intel_context_put(ce); + if (igt_flush_test(gt->i915)) + err = -EIO; if (err) - break; + return err; } - err = igt_flush_test(gt->i915); -out: - fput(file); - if (intel_gt_is_wedged(gt)) - err = -EIO; - return err; + return 0; } static int __igt_reset_engine(struct intel_gt *gt, bool active) @@ -562,6 +564,7 @@ static int __igt_reset_engine(struct intel_gt *gt, bool active) for_each_engine(engine, gt, id) { unsigned int reset_count, reset_engine_count; + unsigned long heartbeat; IGT_TIMEOUT(end_time); if (active && !intel_engine_can_store_dword(engine)) @@ -577,7 +580,7 @@ static int __igt_reset_engine(struct intel_gt *gt, bool active) reset_count = i915_reset_count(global); reset_engine_count = i915_reset_engine_count(global, engine); - intel_engine_pm_get(engine); + engine_heartbeat_disable(engine, &heartbeat); set_bit(I915_RESET_ENGINE + id, >->reset.flags); do { if (active) { @@ -629,7 +632,7 @@ static int __igt_reset_engine(struct intel_gt *gt, bool active) } } while (time_before(jiffies, end_time)); clear_bit(I915_RESET_ENGINE + id, >->reset.flags); - intel_engine_pm_put(engine); + engine_heartbeat_enable(engine, heartbeat); if (err) break; @@ -699,43 +702,43 @@ static int active_engine(void *data) struct active_engine *arg = data; struct intel_engine_cs *engine = arg->engine; struct i915_request *rq[8] = {}; - struct i915_gem_context *ctx[ARRAY_SIZE(rq)]; - unsigned long count = 0; - struct file *file; + struct intel_context *ce[ARRAY_SIZE(rq)]; + unsigned long count; int err = 0; - file = mock_file(engine->i915); - if (IS_ERR(file)) - return PTR_ERR(file); - - for (count = 0; count < ARRAY_SIZE(ctx); count++) { - ctx[count] = live_context(engine->i915, file); - if (IS_ERR(ctx[count])) { - err = PTR_ERR(ctx[count]); + for (count = 0; count < ARRAY_SIZE(ce); count++) { + ce[count] = intel_context_create(engine); + if (IS_ERR(ce[count])) { + err = PTR_ERR(ce[count]); while (--count) - i915_gem_context_put(ctx[count]); - goto err_file; + intel_context_put(ce[count]); + return err; } } + count = 0; while (!kthread_should_stop()) { unsigned int idx = count++ & (ARRAY_SIZE(rq) - 1); struct i915_request *old = rq[idx]; struct i915_request *new; - new = igt_request_alloc(ctx[idx], engine); + new = intel_context_create_request(ce[idx]); if (IS_ERR(new)) { err = PTR_ERR(new); break; } - if (arg->flags & TEST_PRIORITY) - ctx[idx]->sched.priority = - i915_prandom_u32_max_state(512, &prng); - rq[idx] = i915_request_get(new); i915_request_add(new); + if (engine->schedule && arg->flags & TEST_PRIORITY) { + struct i915_sched_attr attr = { + .priority = + i915_prandom_u32_max_state(512, &prng), + }; + engine->schedule(rq[idx], &attr); + } + err = active_request_put(old); if (err) break; @@ -749,10 +752,10 @@ static int active_engine(void *data) /* Keep the first error */ if (!err) err = err__; + + intel_context_put(ce[count]); } -err_file: - fput(file); return err; } @@ -786,6 +789,7 @@ static int __igt_reset_engines(struct intel_gt *gt, struct active_engine threads[I915_NUM_ENGINES] = {}; unsigned long device = i915_reset_count(global); unsigned long count = 0, reported; + unsigned long heartbeat; IGT_TIMEOUT(end_time); if (flags & TEST_ACTIVE && @@ -828,7 +832,7 @@ static int __igt_reset_engines(struct intel_gt *gt, yield(); /* start all threads before we begin */ - intel_engine_pm_get(engine); + engine_heartbeat_disable(engine, &heartbeat); set_bit(I915_RESET_ENGINE + id, >->reset.flags); do { struct i915_request *rq = NULL; @@ -902,7 +906,8 @@ static int __igt_reset_engines(struct intel_gt *gt, } } while (time_before(jiffies, end_time)); clear_bit(I915_RESET_ENGINE + id, >->reset.flags); - intel_engine_pm_put(engine); + engine_heartbeat_enable(engine, heartbeat); + pr_info("i915_reset_engine(%s:%s): %lu resets\n", engine->name, test_name, count); @@ -1300,32 +1305,21 @@ static int igt_reset_evict_ggtt(void *arg) static int igt_reset_evict_ppgtt(void *arg) { struct intel_gt *gt = arg; - struct i915_gem_context *ctx; - struct i915_address_space *vm; - struct file *file; + struct i915_ppgtt *ppgtt; int err; - file = mock_file(gt->i915); - if (IS_ERR(file)) - return PTR_ERR(file); + /* aliasing == global gtt locking, covered above */ + if (INTEL_PPGTT(gt->i915) < INTEL_PPGTT_FULL) + return 0; - ctx = live_context(gt->i915, file); - if (IS_ERR(ctx)) { - err = PTR_ERR(ctx); - goto out; - } + ppgtt = i915_ppgtt_create(gt->i915); + if (IS_ERR(ppgtt)) + return PTR_ERR(ppgtt); - err = 0; - vm = i915_gem_context_get_vm_rcu(ctx); - if (!i915_is_ggtt(vm)) { - /* aliasing == global gtt locking, covered above */ - err = __igt_reset_evict_vma(gt, vm, - evict_vma, EXEC_OBJECT_WRITE); - } - i915_vm_put(vm); + err = __igt_reset_evict_vma(gt, &ppgtt->vm, + evict_vma, EXEC_OBJECT_WRITE); + i915_vm_put(&ppgtt->vm); -out: - fput(file); return err; } diff --git a/drivers/gpu/drm/i915/gt/selftest_lrc.c b/drivers/gpu/drm/i915/gt/selftest_lrc.c index 619e34813ade..9ec9833c9c7b 100644 --- a/drivers/gpu/drm/i915/gt/selftest_lrc.c +++ b/drivers/gpu/drm/i915/gt/selftest_lrc.c @@ -50,14 +50,31 @@ static struct i915_vma *create_scratch(struct intel_gt *gt) return vma; } +static void engine_heartbeat_disable(struct intel_engine_cs *engine, + unsigned long *saved) +{ + *saved = engine->props.heartbeat_interval_ms; + engine->props.heartbeat_interval_ms = 0; + + intel_engine_pm_get(engine); + intel_engine_park_heartbeat(engine); +} + +static void engine_heartbeat_enable(struct intel_engine_cs *engine, + unsigned long saved) +{ + intel_engine_pm_put(engine); + + engine->props.heartbeat_interval_ms = saved; +} + static int live_sanitycheck(void *arg) { struct intel_gt *gt = arg; - struct i915_gem_engines_iter it; - struct i915_gem_context *ctx; - struct intel_context *ce; + struct intel_engine_cs *engine; + enum intel_engine_id id; struct igt_spinner spin; - int err = -ENOMEM; + int err = 0; if (!HAS_LOGICAL_RING_CONTEXTS(gt->i915)) return 0; @@ -65,17 +82,20 @@ static int live_sanitycheck(void *arg) if (igt_spinner_init(&spin, gt)) return -ENOMEM; - ctx = kernel_context(gt->i915); - if (!ctx) - goto err_spin; - - for_each_gem_engine(ce, i915_gem_context_lock_engines(ctx), it) { + for_each_engine(engine, gt, id) { + struct intel_context *ce; struct i915_request *rq; + ce = intel_context_create(engine); + if (IS_ERR(ce)) { + err = PTR_ERR(ce); + break; + } + rq = igt_spinner_create_request(&spin, ce, MI_NOOP); if (IS_ERR(rq)) { err = PTR_ERR(rq); - goto err_ctx; + goto out_ctx; } i915_request_add(rq); @@ -84,21 +104,21 @@ static int live_sanitycheck(void *arg) GEM_TRACE_DUMP(); intel_gt_set_wedged(gt); err = -EIO; - goto err_ctx; + goto out_ctx; } igt_spinner_end(&spin); if (igt_flush_test(gt->i915)) { err = -EIO; - goto err_ctx; + goto out_ctx; } + +out_ctx: + intel_context_put(ce); + if (err) + break; } - err = 0; -err_ctx: - i915_gem_context_unlock_engines(ctx); - kernel_context_close(ctx); -err_spin: igt_spinner_fini(&spin); return err; } @@ -106,7 +126,6 @@ err_spin: static int live_unlite_restore(struct intel_gt *gt, int prio) { struct intel_engine_cs *engine; - struct i915_gem_context *ctx; enum intel_engine_id id; struct igt_spinner spin; int err = -ENOMEM; @@ -119,15 +138,12 @@ static int live_unlite_restore(struct intel_gt *gt, int prio) if (igt_spinner_init(&spin, gt)) return err; - ctx = kernel_context(gt->i915); - if (!ctx) - goto err_spin; - err = 0; for_each_engine(engine, gt, id) { struct intel_context *ce[2] = {}; struct i915_request *rq[2]; struct igt_live_test t; + unsigned long saved; int n; if (prio && !intel_engine_has_preemption(engine)) @@ -140,11 +156,12 @@ static int live_unlite_restore(struct intel_gt *gt, int prio) err = -EIO; break; } + engine_heartbeat_disable(engine, &saved); for (n = 0; n < ARRAY_SIZE(ce); n++) { struct intel_context *tmp; - tmp = intel_context_create(ctx, engine); + tmp = intel_context_create(engine); if (IS_ERR(tmp)) { err = PTR_ERR(tmp); goto err_ce; @@ -247,14 +264,13 @@ err_ce: intel_context_put(ce[n]); } + engine_heartbeat_enable(engine, saved); if (igt_live_test_end(&t)) err = -EIO; if (err) break; } - kernel_context_close(ctx); -err_spin: igt_spinner_fini(&spin); return err; } @@ -309,17 +325,17 @@ emit_semaphore_chain(struct i915_request *rq, struct i915_vma *vma, int idx) static struct i915_request * semaphore_queue(struct intel_engine_cs *engine, struct i915_vma *vma, int idx) { - struct i915_gem_context *ctx; + struct intel_context *ce; struct i915_request *rq; int err; - ctx = kernel_context(engine->i915); - if (!ctx) - return ERR_PTR(-ENOMEM); + ce = intel_context_create(engine); + if (IS_ERR(ce)) + return ERR_CAST(ce); - rq = igt_request_alloc(ctx, engine); + rq = intel_context_create_request(ce); if (IS_ERR(rq)) - goto out_ctx; + goto out_ce; err = 0; if (rq->engine->emit_init_breadcrumb) @@ -332,8 +348,8 @@ semaphore_queue(struct intel_engine_cs *engine, struct i915_vma *vma, int idx) if (err) rq = ERR_PTR(err); -out_ctx: - kernel_context_close(ctx); +out_ce: + intel_context_put(ce); return rq; } @@ -468,12 +484,16 @@ static int live_timeslice_preempt(void *arg) enum intel_engine_id id; for_each_engine(engine, gt, id) { + unsigned long saved; + if (!intel_engine_has_preemption(engine)) continue; memset(vaddr, 0, PAGE_SIZE); + engine_heartbeat_disable(engine, &saved); err = slice_semaphore_queue(engine, vma, count); + engine_heartbeat_enable(engine, saved); if (err) goto err_pin; @@ -566,17 +586,19 @@ static int live_timeslice_queue(void *arg) .priority = I915_USER_PRIORITY(I915_PRIORITY_MAX), }; struct i915_request *rq, *nop; + unsigned long saved; if (!intel_engine_has_preemption(engine)) continue; + engine_heartbeat_disable(engine, &saved); memset(vaddr, 0, PAGE_SIZE); /* ELSP[0]: semaphore wait */ rq = semaphore_queue(engine, vma, 0); if (IS_ERR(rq)) { err = PTR_ERR(rq); - goto err_pin; + goto err_heartbeat; } engine->schedule(rq, &attr); wait_for_submit(engine, rq); @@ -585,8 +607,7 @@ static int live_timeslice_queue(void *arg) nop = nop_request(engine); if (IS_ERR(nop)) { err = PTR_ERR(nop); - i915_request_put(rq); - goto err_pin; + goto err_rq; } wait_for_submit(engine, nop); i915_request_put(nop); @@ -596,10 +617,8 @@ static int live_timeslice_queue(void *arg) /* Queue: semaphore signal, matching priority as semaphore */ err = release_queue(engine, vma, 1, effective_prio(rq)); - if (err) { - i915_request_put(rq); - goto err_pin; - } + if (err) + goto err_rq; intel_engine_flush_submission(engine); if (!READ_ONCE(engine->execlists.timer.expires) && @@ -630,12 +649,14 @@ static int live_timeslice_queue(void *arg) memset(vaddr, 0xff, PAGE_SIZE); err = -EIO; } +err_rq: i915_request_put(rq); +err_heartbeat: + engine_heartbeat_enable(engine, saved); if (err) break; } -err_pin: i915_vma_unpin(vma); err_map: i915_gem_object_unpin_map(obj); @@ -1956,7 +1977,7 @@ static int create_gang(struct intel_engine_cs *engine, u32 *cs; int err; - ce = intel_context_create(engine->kernel_context->gem_context, engine); + ce = intel_context_create(engine); if (IS_ERR(ce)) return PTR_ERR(ce); @@ -2618,27 +2639,17 @@ static int nop_virtual_engine(struct intel_gt *gt, { IGT_TIMEOUT(end_time); struct i915_request *request[16] = {}; - struct i915_gem_context *ctx[16]; struct intel_context *ve[16]; unsigned long n, prime, nc; struct igt_live_test t; ktime_t times[2] = {}; int err; - GEM_BUG_ON(!nctx || nctx > ARRAY_SIZE(ctx)); + GEM_BUG_ON(!nctx || nctx > ARRAY_SIZE(ve)); for (n = 0; n < nctx; n++) { - ctx[n] = kernel_context(gt->i915); - if (!ctx[n]) { - err = -ENOMEM; - nctx = n; - goto out; - } - - ve[n] = intel_execlists_create_virtual(ctx[n], - siblings, nsibling); + ve[n] = intel_execlists_create_virtual(siblings, nsibling); if (IS_ERR(ve[n])) { - kernel_context_close(ctx[n]); err = PTR_ERR(ve[n]); nctx = n; goto out; @@ -2647,7 +2658,6 @@ static int nop_virtual_engine(struct intel_gt *gt, err = intel_context_pin(ve[n]); if (err) { intel_context_put(ve[n]); - kernel_context_close(ctx[n]); nctx = n; goto out; } @@ -2742,7 +2752,6 @@ out: i915_request_put(request[nc]); intel_context_unpin(ve[nc]); intel_context_put(ve[nc]); - kernel_context_close(ctx[nc]); } return err; } @@ -2801,7 +2810,6 @@ static int mask_virtual_engine(struct intel_gt *gt, unsigned int nsibling) { struct i915_request *request[MAX_ENGINE_INSTANCE + 1]; - struct i915_gem_context *ctx; struct intel_context *ve; struct igt_live_test t; unsigned int n; @@ -2812,11 +2820,7 @@ static int mask_virtual_engine(struct intel_gt *gt, * restrict it to our desired engine within the virtual engine. */ - ctx = kernel_context(gt->i915); - if (!ctx) - return -ENOMEM; - - ve = intel_execlists_create_virtual(ctx, siblings, nsibling); + ve = intel_execlists_create_virtual(siblings, nsibling); if (IS_ERR(ve)) { err = PTR_ERR(ve); goto out_close; @@ -2884,7 +2888,6 @@ out_unpin: out_put: intel_context_put(ve); out_close: - kernel_context_close(ctx); return err; } @@ -2924,7 +2927,6 @@ static int preserved_virtual_engine(struct intel_gt *gt, unsigned int nsibling) { struct i915_request *last = NULL; - struct i915_gem_context *ctx; struct intel_context *ve; struct i915_vma *scratch; struct igt_live_test t; @@ -2932,17 +2934,11 @@ static int preserved_virtual_engine(struct intel_gt *gt, int err = 0; u32 *cs; - ctx = kernel_context(gt->i915); - if (!ctx) - return -ENOMEM; - scratch = create_scratch(siblings[0]->gt); - if (IS_ERR(scratch)) { - err = PTR_ERR(scratch); - goto out_close; - } + if (IS_ERR(scratch)) + return PTR_ERR(scratch); - ve = intel_execlists_create_virtual(ctx, siblings, nsibling); + ve = intel_execlists_create_virtual(siblings, nsibling); if (IS_ERR(ve)) { err = PTR_ERR(ve); goto out_scratch; @@ -3025,8 +3021,6 @@ out_put: intel_context_put(ve); out_scratch: i915_vma_unpin_and_release(&scratch, 0); -out_close: - kernel_context_close(ctx); return err; } @@ -3078,7 +3072,6 @@ static int bond_virtual_engine(struct intel_gt *gt, #define BOND_SCHEDULE BIT(0) { struct intel_engine_cs *master; - struct i915_gem_context *ctx; struct i915_request *rq[16]; enum intel_engine_id id; struct igt_spinner spin; @@ -3129,12 +3122,6 @@ static int bond_virtual_engine(struct intel_gt *gt, if (igt_spinner_init(&spin, gt)) return -ENOMEM; - ctx = kernel_context(gt->i915); - if (!ctx) { - err = -ENOMEM; - goto err_spin; - } - err = 0; rq[0] = ERR_PTR(-ENOMEM); for_each_engine(master, gt, id) { @@ -3145,7 +3132,9 @@ static int bond_virtual_engine(struct intel_gt *gt, memset_p((void *)rq, ERR_PTR(-EINVAL), ARRAY_SIZE(rq)); - rq[0] = spinner_create_request(&spin, ctx, master, MI_NOOP); + rq[0] = igt_spinner_create_request(&spin, + master->kernel_context, + MI_NOOP); if (IS_ERR(rq[0])) { err = PTR_ERR(rq[0]); goto out; @@ -3172,9 +3161,7 @@ static int bond_virtual_engine(struct intel_gt *gt, for (n = 0; n < nsibling; n++) { struct intel_context *ve; - ve = intel_execlists_create_virtual(ctx, - siblings, - nsibling); + ve = intel_execlists_create_virtual(siblings, nsibling); if (IS_ERR(ve)) { err = PTR_ERR(ve); onstack_fence_fini(&fence); @@ -3254,8 +3241,6 @@ out: if (igt_flush_test(gt->i915)) err = -EIO; - kernel_context_close(ctx); -err_spin: igt_spinner_fini(&spin); return err; } @@ -3567,8 +3552,7 @@ static int live_lrc_fixed(void *arg) return err; } -static int __live_lrc_state(struct i915_gem_context *fixme, - struct intel_engine_cs *engine, +static int __live_lrc_state(struct intel_engine_cs *engine, struct i915_vma *scratch) { struct intel_context *ce; @@ -3583,7 +3567,7 @@ static int __live_lrc_state(struct i915_gem_context *fixme, int err; int n; - ce = intel_context_create(fixme, engine); + ce = intel_context_create(engine); if (IS_ERR(ce)) return PTR_ERR(ce); @@ -3657,7 +3641,6 @@ static int live_lrc_state(void *arg) { struct intel_gt *gt = arg; struct intel_engine_cs *engine; - struct i915_gem_context *fixme; struct i915_vma *scratch; enum intel_engine_id id; int err = 0; @@ -3667,18 +3650,12 @@ static int live_lrc_state(void *arg) * intel_context. */ - fixme = kernel_context(gt->i915); - if (!fixme) - return -ENOMEM; - scratch = create_scratch(gt); - if (IS_ERR(scratch)) { - err = PTR_ERR(scratch); - goto out_close; - } + if (IS_ERR(scratch)) + return PTR_ERR(scratch); for_each_engine(engine, gt, id) { - err = __live_lrc_state(fixme, engine, scratch); + err = __live_lrc_state(engine, scratch); if (err) break; } @@ -3687,8 +3664,6 @@ static int live_lrc_state(void *arg) err = -EIO; i915_vma_unpin_and_release(&scratch, 0); -out_close: - kernel_context_close(fixme); return err; } @@ -3721,8 +3696,7 @@ static int gpr_make_dirty(struct intel_engine_cs *engine) return 0; } -static int __live_gpr_clear(struct i915_gem_context *fixme, - struct intel_engine_cs *engine, +static int __live_gpr_clear(struct intel_engine_cs *engine, struct i915_vma *scratch) { struct intel_context *ce; @@ -3738,7 +3712,7 @@ static int __live_gpr_clear(struct i915_gem_context *fixme, if (err) return err; - ce = intel_context_create(fixme, engine); + ce = intel_context_create(engine); if (IS_ERR(ce)) return PTR_ERR(ce); @@ -3800,7 +3774,6 @@ static int live_gpr_clear(void *arg) { struct intel_gt *gt = arg; struct intel_engine_cs *engine; - struct i915_gem_context *fixme; struct i915_vma *scratch; enum intel_engine_id id; int err = 0; @@ -3810,18 +3783,12 @@ static int live_gpr_clear(void *arg) * to avoid leaking any information from previous contexts. */ - fixme = kernel_context(gt->i915); - if (!fixme) - return -ENOMEM; - scratch = create_scratch(gt); - if (IS_ERR(scratch)) { - err = PTR_ERR(scratch); - goto out_close; - } + if (IS_ERR(scratch)) + return PTR_ERR(scratch); for_each_engine(engine, gt, id) { - err = __live_gpr_clear(fixme, engine, scratch); + err = __live_gpr_clear(engine, scratch); if (err) break; } @@ -3830,8 +3797,6 @@ static int live_gpr_clear(void *arg) err = -EIO; i915_vma_unpin_and_release(&scratch, 0); -out_close: - kernel_context_close(fixme); return err; } diff --git a/drivers/gpu/drm/i915/gt/selftest_mocs.c b/drivers/gpu/drm/i915/gt/selftest_mocs.c index de010f527757..de1f83100fb6 100644 --- a/drivers/gpu/drm/i915/gt/selftest_mocs.c +++ b/drivers/gpu/drm/i915/gt/selftest_mocs.c @@ -289,8 +289,7 @@ static int live_mocs_clean(void *arg) for_each_engine(engine, gt, id) { struct intel_context *ce; - ce = intel_context_create(engine->kernel_context->gem_context, - engine); + ce = intel_context_create(engine); if (IS_ERR(ce)) { err = PTR_ERR(ce); break; @@ -384,8 +383,7 @@ static int live_mocs_reset(void *arg) for_each_engine(engine, gt, id) { struct intel_context *ce; - ce = intel_context_create(engine->kernel_context->gem_context, - engine); + ce = intel_context_create(engine); if (IS_ERR(ce)) { err = PTR_ERR(ce); break; diff --git a/drivers/gpu/drm/i915/gt/selftest_rc6.c b/drivers/gpu/drm/i915/gt/selftest_rc6.c index f8b7691be4d1..8cc55a0e9e06 100644 --- a/drivers/gpu/drm/i915/gt/selftest_rc6.c +++ b/drivers/gpu/drm/i915/gt/selftest_rc6.c @@ -160,8 +160,7 @@ int live_rc6_ctx_wa(void *arg) const u32 *res; /* Use a sacrifical context */ - ce = intel_context_create(engine->kernel_context->gem_context, - engine); + ce = intel_context_create(engine); if (IS_ERR(ce)) { err = PTR_ERR(ce); goto out; diff --git a/drivers/gpu/drm/i915/gt/selftest_workarounds.c b/drivers/gpu/drm/i915/gt/selftest_workarounds.c index d5d1e1a32187..ac1921854cbf 100644 --- a/drivers/gpu/drm/i915/gt/selftest_workarounds.c +++ b/drivers/gpu/drm/i915/gt/selftest_workarounds.c @@ -264,22 +264,15 @@ static int switch_to_scratch_context(struct intel_engine_cs *engine, struct igt_spinner *spin) { - struct i915_gem_context *ctx; struct intel_context *ce; struct i915_request *rq; int err = 0; - ctx = kernel_context(engine->i915); - if (IS_ERR(ctx)) - return PTR_ERR(ctx); - - GEM_BUG_ON(i915_gem_context_is_bannable(ctx)); - - ce = i915_gem_context_get_engine(ctx, engine->legacy_idx); - GEM_BUG_ON(IS_ERR(ce)); + ce = intel_context_create(engine); + if (IS_ERR(ce)) + return PTR_ERR(ce); rq = igt_spinner_create_request(spin, ce, MI_NOOP); - intel_context_put(ce); if (IS_ERR(rq)) { @@ -293,7 +286,6 @@ err: if (err && spin) igt_spinner_end(spin); - kernel_context_close(ctx); return err; } @@ -367,20 +359,17 @@ out_ctx: return err; } -static struct i915_vma *create_batch(struct i915_gem_context *ctx) +static struct i915_vma *create_batch(struct i915_address_space *vm) { struct drm_i915_gem_object *obj; - struct i915_address_space *vm; struct i915_vma *vma; int err; - obj = i915_gem_object_create_internal(ctx->i915, 16 * PAGE_SIZE); + obj = i915_gem_object_create_internal(vm->i915, 16 * PAGE_SIZE); if (IS_ERR(obj)) return ERR_CAST(obj); - vm = i915_gem_context_get_vm_rcu(ctx); vma = i915_vma_instance(obj, vm, NULL); - i915_vm_put(vm); if (IS_ERR(vma)) { err = PTR_ERR(vma); goto err_obj; @@ -452,8 +441,7 @@ static int whitelist_writable_count(struct intel_engine_cs *engine) return count; } -static int check_dirty_whitelist(struct i915_gem_context *ctx, - struct intel_engine_cs *engine) +static int check_dirty_whitelist(struct intel_context *ce) { const u32 values[] = { 0x00000000, @@ -481,19 +469,17 @@ static int check_dirty_whitelist(struct i915_gem_context *ctx, 0xffff00ff, 0xffffffff, }; - struct i915_address_space *vm; + struct intel_engine_cs *engine = ce->engine; struct i915_vma *scratch; struct i915_vma *batch; int err = 0, i, v; u32 *cs, *results; - vm = i915_gem_context_get_vm_rcu(ctx); - scratch = create_scratch(vm, 2 * ARRAY_SIZE(values) + 1); - i915_vm_put(vm); + scratch = create_scratch(ce->vm, 2 * ARRAY_SIZE(values) + 1); if (IS_ERR(scratch)) return PTR_ERR(scratch); - batch = create_batch(ctx); + batch = create_batch(ce->vm); if (IS_ERR(batch)) { err = PTR_ERR(batch); goto out_scratch; @@ -518,7 +504,7 @@ static int check_dirty_whitelist(struct i915_gem_context *ctx, srm = MI_STORE_REGISTER_MEM; lrm = MI_LOAD_REGISTER_MEM; - if (INTEL_GEN(ctx->i915) >= 8) + if (INTEL_GEN(engine->i915) >= 8) lrm++, srm++; pr_debug("%s: Writing garbage to %x\n", @@ -577,7 +563,7 @@ static int check_dirty_whitelist(struct i915_gem_context *ctx, i915_gem_object_unpin_map(batch->obj); intel_gt_chipset_flush(engine->gt); - rq = igt_request_alloc(ctx, engine); + rq = intel_context_create_request(ce); if (IS_ERR(rq)) { err = PTR_ERR(rq); goto out_batch; @@ -696,7 +682,7 @@ out_unpin: break; } - if (igt_flush_test(ctx->i915)) + if (igt_flush_test(engine->i915)) err = -EIO; out_batch: i915_vma_unpin_and_release(&batch, 0); @@ -709,38 +695,31 @@ static int live_dirty_whitelist(void *arg) { struct intel_gt *gt = arg; struct intel_engine_cs *engine; - struct i915_gem_context *ctx; enum intel_engine_id id; - struct file *file; - int err = 0; /* Can the user write to the whitelisted registers? */ if (INTEL_GEN(gt->i915) < 7) /* minimum requirement for LRI, SRM, LRM */ return 0; - file = mock_file(gt->i915); - if (IS_ERR(file)) - return PTR_ERR(file); - - ctx = live_context(gt->i915, file); - if (IS_ERR(ctx)) { - err = PTR_ERR(ctx); - goto out_file; - } - for_each_engine(engine, gt, id) { + struct intel_context *ce; + int err; + if (engine->whitelist.count == 0) continue; - err = check_dirty_whitelist(ctx, engine); + ce = intel_context_create(engine); + if (IS_ERR(ce)) + return PTR_ERR(ce); + + err = check_dirty_whitelist(ce); + intel_context_put(ce); if (err) - goto out_file; + return err; } -out_file: - fput(file); - return err; + return 0; } static int live_reset_whitelist(void *arg) @@ -830,12 +809,15 @@ err_req: static int scrub_whitelisted_registers(struct i915_gem_context *ctx, struct intel_engine_cs *engine) { + struct i915_address_space *vm; struct i915_request *rq; struct i915_vma *batch; int i, err = 0; u32 *cs; - batch = create_batch(ctx); + vm = i915_gem_context_get_vm_rcu(ctx); + batch = create_batch(vm); + i915_vm_put(vm); if (IS_ERR(batch)) return PTR_ERR(batch); diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c b/drivers/gpu/drm/i915/gvt/scheduler.c index 228c66534e21..b3299f88e24e 100644 --- a/drivers/gpu/drm/i915/gvt/scheduler.c +++ b/drivers/gpu/drm/i915/gvt/scheduler.c @@ -35,12 +35,12 @@ #include <linux/kthread.h> -#include "gem/i915_gem_context.h" #include "gem/i915_gem_pm.h" #include "gt/intel_context.h" #include "gt/intel_ring.h" #include "i915_drv.h" +#include "i915_gem_gtt.h" #include "gvt.h" #define RING_CTX_OFF(x) \ @@ -1220,16 +1220,14 @@ int intel_vgpu_setup_submission(struct intel_vgpu *vgpu) struct drm_i915_private *i915 = vgpu->gvt->dev_priv; struct intel_vgpu_submission *s = &vgpu->submission; struct intel_engine_cs *engine; - struct i915_gem_context *ctx; struct i915_ppgtt *ppgtt; enum intel_engine_id i; int ret; - ctx = i915_gem_context_create_kernel(i915, I915_PRIORITY_MAX); - if (IS_ERR(ctx)) - return PTR_ERR(ctx); + ppgtt = i915_ppgtt_create(i915); + if (IS_ERR(ppgtt)) + return PTR_ERR(ppgtt); - ppgtt = i915_vm_to_ppgtt(i915_gem_context_get_vm_rcu(ctx)); i915_context_ppgtt_root_save(s, ppgtt); for_each_engine(engine, i915, i) { @@ -1238,12 +1236,14 @@ int intel_vgpu_setup_submission(struct intel_vgpu *vgpu) INIT_LIST_HEAD(&s->workload_q_head[i]); s->shadow[i] = ERR_PTR(-EINVAL); - ce = intel_context_create(ctx, engine); + ce = intel_context_create(engine); if (IS_ERR(ce)) { ret = PTR_ERR(ce); goto out_shadow_ctx; } + i915_vm_put(ce->vm); + ce->vm = i915_vm_get(&ppgtt->vm); intel_context_set_single_submission(ce); if (!USES_GUC_SUBMISSION(i915)) { /* Max ring buffer size */ @@ -1278,7 +1278,6 @@ int intel_vgpu_setup_submission(struct intel_vgpu *vgpu) bitmap_zero(s->tlb_handle_pending, I915_NUM_ENGINES); i915_vm_put(&ppgtt->vm); - i915_gem_context_put(ctx); return 0; out_shadow_ctx: @@ -1291,7 +1290,6 @@ out_shadow_ctx: intel_context_put(s->shadow[i]); } i915_vm_put(&ppgtt->vm); - i915_gem_context_put(ctx); return ret; } diff --git a/drivers/gpu/drm/i915/i915_active.c b/drivers/gpu/drm/i915/i915_active.c index 3d0edde84705..cfe09964622b 100644 --- a/drivers/gpu/drm/i915/i915_active.c +++ b/drivers/gpu/drm/i915/i915_active.c @@ -6,6 +6,7 @@ #include <linux/debugobjects.h> +#include "gt/intel_context.h" #include "gt/intel_engine_pm.h" #include "gt/intel_ring.h" @@ -724,6 +725,7 @@ void i915_request_add_active_barriers(struct i915_request *rq) struct llist_node *node, *next; unsigned long flags; + GEM_BUG_ON(!intel_context_is_barrier(rq->context)); GEM_BUG_ON(intel_engine_is_virtual(engine)); GEM_BUG_ON(i915_request_timeline(rq) != engine->kernel_context->timeline); diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 0781b6326b8c..95db8017f138 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -955,9 +955,6 @@ struct drm_i915_private { struct pci_dev *bridge_dev; - /* Context used internally to idle the GPU and setup initial state */ - struct i915_gem_context *kernel_context; - struct intel_engine_cs *engine[I915_NUM_ENGINES]; struct rb_root uabi_engines; diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 6e7010089e23..8f4a3832ee85 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1123,8 +1123,7 @@ static int __intel_engines_record_defaults(struct intel_gt *gt) GEM_BUG_ON(!engine->kernel_context); engine->serial++; /* force the kernel context switch */ - ce = intel_context_create(engine->kernel_context->gem_context, - engine); + ce = intel_context_create(engine); if (IS_ERR(ce)) { err = PTR_ERR(ce); goto out; @@ -1174,6 +1173,7 @@ err_rq: continue; /* Serialise with retirement on another CPU */ + GEM_BUG_ON(!i915_request_completed(rq)); err = __intel_context_flush_retire(rq->context); if (err) goto out; @@ -1284,6 +1284,7 @@ int i915_gem_init(struct drm_i915_private *dev_priv) } intel_gt_init(&dev_priv->gt); + i915_gem_init__contexts(dev_priv); ret = intel_engines_setup(&dev_priv->gt); if (ret) { @@ -1291,16 +1292,10 @@ int i915_gem_init(struct drm_i915_private *dev_priv) goto err_unlock; } - ret = i915_gem_init_contexts(dev_priv); - if (ret) { - GEM_BUG_ON(ret == -EIO); - goto err_scratch; - } - ret = intel_engines_init(&dev_priv->gt); if (ret) { GEM_BUG_ON(ret == -EIO); - goto err_context; + goto err_scratch; } intel_uc_init(&dev_priv->gt.uc); @@ -1364,9 +1359,6 @@ err_uc_init: intel_uc_fini(&dev_priv->gt.uc); intel_engines_cleanup(&dev_priv->gt); } -err_context: - if (ret != -EIO) - i915_gem_driver_release__contexts(dev_priv); err_scratch: intel_gt_driver_release(&dev_priv->gt); err_unlock: @@ -1431,7 +1423,6 @@ void i915_gem_driver_remove(struct drm_i915_private *dev_priv) void i915_gem_driver_release(struct drm_i915_private *dev_priv) { intel_engines_cleanup(&dev_priv->gt); - i915_gem_driver_release__contexts(dev_priv); intel_gt_driver_release(&dev_priv->gt); intel_wa_list_free(&dev_priv->gt_wa_list); @@ -1439,6 +1430,8 @@ void i915_gem_driver_release(struct drm_i915_private *dev_priv) intel_uc_cleanup_firmwares(&dev_priv->gt.uc); i915_gem_cleanup_userptr(dev_priv); + i915_gem_driver_release__contexts(dev_priv); + i915_gem_drain_freed_objects(dev_priv); WARN_ON(!list_empty(&dev_priv->gem.contexts.list)); diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index d9a2f58a620a..2ad2fc5efdbf 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -1375,12 +1375,8 @@ static int gen8_init_scratch(struct i915_address_space *vm) * If everybody agrees to not to write into the scratch page, * we can reuse it for all vm, keeping contexts and processes separate. */ - if (vm->has_read_only && - vm->i915->kernel_context && - vm->i915->kernel_context->vm) { - struct i915_address_space *clone = - rcu_dereference_protected(vm->i915->kernel_context->vm, - true); /* static */ + if (vm->has_read_only && vm->gt->vm && !i915_is_ggtt(vm->gt->vm)) { + struct i915_address_space *clone = vm->gt->vm; GEM_BUG_ON(!clone->has_read_only); diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index 9d4733927a2c..84350c7bc711 100644 --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -2323,9 +2323,6 @@ static int oa_configure_all_contexts(struct i915_perf_stream *stream, */ spin_lock(&i915->gem.contexts.lock); list_for_each_entry_safe(ctx, cn, &i915->gem.contexts.list, link) { - if (ctx == i915->kernel_context) - continue; - if (!kref_get_unless_zero(&ctx->ref)) continue; diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c index ed70d8dcea74..14a5a99284fa 100644 --- a/drivers/gpu/drm/i915/i915_request.c +++ b/drivers/gpu/drm/i915/i915_request.c @@ -1301,8 +1301,8 @@ void __i915_request_queue(struct i915_request *rq, void i915_request_add(struct i915_request *rq) { - struct i915_sched_attr attr = rq->context->gem_context->sched; struct intel_timeline * const tl = i915_request_timeline(rq); + struct i915_sched_attr attr = {}; struct i915_request *prev; lockdep_assert_held(&tl->mutex); @@ -1312,6 +1312,9 @@ void i915_request_add(struct i915_request *rq) prev = __i915_request_commit(rq); + if (rq->context->gem_context) + attr = rq->context->gem_context->sched; + /* * Boost actual workloads past semaphores! * diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c index c5330f36687d..f3ac837ba3b3 100644 --- a/drivers/gpu/drm/i915/i915_vma.c +++ b/drivers/gpu/drm/i915/i915_vma.c @@ -1245,6 +1245,9 @@ int i915_vma_unbind(struct i915_vma *vma) struct i915_address_space *vm = vma->vm; int err; + if (!drm_mm_node_allocated(&vma->node)) + return 0; + err = mutex_lock_interruptible(&vm->mutex); if (err) return err; diff --git a/drivers/gpu/drm/i915/selftests/i915_request.c b/drivers/gpu/drm/i915/selftests/i915_request.c index 71a4ca38fbac..f89d9c42f1fa 100644 --- a/drivers/gpu/drm/i915/selftests/i915_request.c +++ b/drivers/gpu/drm/i915/selftests/i915_request.c @@ -749,10 +749,8 @@ out_batch: static struct i915_vma *recursive_batch(struct drm_i915_private *i915) { - struct i915_gem_context *ctx = i915->kernel_context; struct drm_i915_gem_object *obj; const int gen = INTEL_GEN(i915); - struct i915_address_space *vm; struct i915_vma *vma; u32 *cmd; int err; @@ -761,9 +759,7 @@ static struct i915_vma *recursive_batch(struct drm_i915_private *i915) if (IS_ERR(obj)) return ERR_CAST(obj); - vm = i915_gem_context_get_vm_rcu(ctx); - vma = i915_vma_instance(obj, vm, NULL); - i915_vm_put(vm); + vma = i915_vma_instance(obj, i915->gt.vm, NULL); if (IS_ERR(vma)) { err = PTR_ERR(vma); goto err; diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c index d14ba8498f57..a5e46a4739f9 100644 --- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c +++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c @@ -63,7 +63,6 @@ static void mock_device_release(struct drm_device *dev) for_each_engine(engine, &i915->gt, id) mock_engine_free(engine); - i915_gem_driver_release__contexts(i915); drain_workqueue(i915->wq); i915_gem_drain_freed_objects(i915); @@ -180,6 +179,7 @@ struct drm_i915_private *mock_gem_device(void) mock_init_contexts(i915); mock_init_ggtt(i915, &i915->ggtt); + i915->gt.vm = i915_vm_get(&i915->ggtt.vm); mkwrite_device_info(i915)->engine_mask = BIT(0); @@ -187,10 +187,6 @@ struct drm_i915_private *mock_gem_device(void) if (!i915->engine[RCS0]) goto err_unlock; - i915->kernel_context = mock_context(i915, NULL); - if (!i915->kernel_context) - goto err_engine; - if (mock_engine_init(i915->engine[RCS0])) goto err_context; @@ -199,8 +195,6 @@ struct drm_i915_private *mock_gem_device(void) return i915; err_context: - i915_gem_driver_release__contexts(i915); -err_engine: mock_engine_free(i915->engine[RCS0]); err_unlock: destroy_workqueue(i915->wq); |