diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_context.c')
-rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_context.c | 83 |
1 files changed, 30 insertions, 53 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c index 0f2c22a3bcb6..b28c7ca681a8 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c @@ -316,7 +316,7 @@ static void i915_gem_context_free(struct i915_gem_context *ctx) mutex_destroy(&ctx->engines_mutex); if (ctx->timeline) - i915_timeline_put(ctx->timeline); + intel_timeline_put(ctx->timeline); kfree(ctx->name); put_pid(ctx->pid); @@ -459,8 +459,7 @@ __create_context(struct drm_i915_private *i915) i915_gem_context_set_recoverable(ctx); ctx->ring_size = 4 * PAGE_SIZE; - ctx->desc_template = - default_desc_template(i915, &i915->mm.aliasing_ppgtt->vm); + ctx->desc_template = default_desc_template(i915, NULL); for (i = 0; i < ARRAY_SIZE(ctx->hang_timestamp); i++) ctx->hang_timestamp[i] = jiffies - CONTEXT_FAST_HANG_JIFFIES; @@ -476,10 +475,18 @@ static struct i915_address_space * __set_ppgtt(struct i915_gem_context *ctx, struct i915_address_space *vm) { struct i915_address_space *old = ctx->vm; + struct i915_gem_engines_iter it; + struct intel_context *ce; ctx->vm = i915_vm_get(vm); ctx->desc_template = default_desc_template(ctx->i915, vm); + for_each_gem_engine(ce, i915_gem_context_lock_engines(ctx), it) { + i915_vm_put(ce->vm); + ce->vm = i915_vm_get(vm); + } + i915_gem_context_unlock_engines(ctx); + return old; } @@ -528,9 +535,9 @@ i915_gem_create_context(struct drm_i915_private *dev_priv, unsigned int flags) } if (flags & I915_CONTEXT_CREATE_FLAGS_SINGLE_TIMELINE) { - struct i915_timeline *timeline; + struct intel_timeline *timeline; - timeline = i915_timeline_create(dev_priv, NULL); + timeline = intel_timeline_create(&dev_priv->gt, NULL); if (IS_ERR(timeline)) { context_close(ctx); return ERR_CAST(timeline); @@ -644,20 +651,13 @@ static void init_contexts(struct drm_i915_private *i915) init_llist_head(&i915->contexts.free_list); } -static bool needs_preempt_context(struct drm_i915_private *i915) -{ - return HAS_EXECLISTS(i915); -} - int i915_gem_contexts_init(struct drm_i915_private *dev_priv) { struct i915_gem_context *ctx; /* Reassure ourselves we are only called once */ GEM_BUG_ON(dev_priv->kernel_context); - GEM_BUG_ON(dev_priv->preempt_context); - intel_engine_init_ctx_wa(dev_priv->engine[RCS0]); init_contexts(dev_priv); /* lowest priority; idle task */ @@ -677,15 +677,6 @@ int i915_gem_contexts_init(struct drm_i915_private *dev_priv) GEM_BUG_ON(!atomic_read(&ctx->hw_id_pin_count)); dev_priv->kernel_context = ctx; - /* highest priority; preempting task */ - if (needs_preempt_context(dev_priv)) { - ctx = i915_gem_context_create_kernel(dev_priv, INT_MAX); - if (!IS_ERR(ctx)) - dev_priv->preempt_context = ctx; - else - DRM_ERROR("Failed to create preempt context; disabling preemption\n"); - } - DRM_DEBUG_DRIVER("%s context support initialized\n", DRIVER_CAPS(dev_priv)->has_logical_contexts ? "logical" : "fake"); @@ -696,8 +687,6 @@ void i915_gem_contexts_fini(struct drm_i915_private *i915) { lockdep_assert_held(&i915->drm.struct_mutex); - if (i915->preempt_context) - destroy_kernel_context(&i915->preempt_context); destroy_kernel_context(&i915->kernel_context); /* Must free all deferred contexts (via flush_workqueue) first */ @@ -923,8 +912,12 @@ static int context_barrier_task(struct i915_gem_context *ctx, if (!cb) return -ENOMEM; - i915_active_init(i915, &cb->base, cb_retire); - i915_active_acquire(&cb->base); + i915_active_init(i915, &cb->base, NULL, cb_retire); + err = i915_active_acquire(&cb->base); + if (err) { + kfree(cb); + return err; + } for_each_gem_engine(ce, i915_gem_context_lock_engines(ctx), it) { struct i915_request *rq; @@ -1019,7 +1012,7 @@ static void set_ppgtt_barrier(void *data) static int emit_ppgtt_update(struct i915_request *rq, void *data) { - struct i915_address_space *vm = rq->gem_context->vm; + struct i915_address_space *vm = rq->hw_context->vm; struct intel_engine_cs *engine = rq->engine; u32 base = engine->mmio_base; u32 *cs; @@ -1128,9 +1121,8 @@ static int set_ppgtt(struct drm_i915_file_private *file_priv, set_ppgtt_barrier, old); if (err) { - ctx->vm = old; - ctx->desc_template = default_desc_template(ctx->i915, old); - i915_vm_put(vm); + i915_vm_put(__set_ppgtt(ctx, old)); + i915_vm_put(old); } unlock: @@ -1187,26 +1179,11 @@ gen8_modify_rpcs(struct intel_context *ce, struct intel_sseu sseu) if (IS_ERR(rq)) return PTR_ERR(rq); - /* Queue this switch after all other activity by this context. */ - ret = i915_active_request_set(&ce->ring->timeline->last_request, rq); - if (ret) - goto out_add; - - /* - * Guarantee context image and the timeline remains pinned until the - * modifying request is retired by setting the ce activity tracker. - * - * But we only need to take one pin on the account of it. Or in other - * words transfer the pinned ce object to tracked active request. - */ - GEM_BUG_ON(i915_active_is_idle(&ce->active)); - ret = i915_active_ref(&ce->active, rq->fence.context, rq); - if (ret) - goto out_add; - - ret = gen8_emit_rpcs_config(rq, ce, sseu); + /* Serialise with the remote context */ + ret = intel_context_prepare_remote_request(ce, rq); + if (ret == 0) + ret = gen8_emit_rpcs_config(rq, ce, sseu); -out_add: i915_request_add(rq); return ret; } @@ -2015,8 +1992,8 @@ static int clone_timeline(struct i915_gem_context *dst, GEM_BUG_ON(src->timeline == dst->timeline); if (dst->timeline) - i915_timeline_put(dst->timeline); - dst->timeline = i915_timeline_get(src->timeline); + intel_timeline_put(dst->timeline); + dst->timeline = intel_timeline_get(src->timeline); } return 0; @@ -2141,7 +2118,7 @@ int i915_gem_context_create_ioctl(struct drm_device *dev, void *data, if (args->flags & I915_CONTEXT_CREATE_FLAGS_UNKNOWN) return -EINVAL; - ret = i915_terminally_wedged(i915); + ret = intel_gt_terminally_wedged(&i915->gt); if (ret) return ret; @@ -2287,8 +2264,8 @@ int i915_gem_context_getparam_ioctl(struct drm_device *dev, void *data, args->size = 0; if (ctx->vm) args->value = ctx->vm->total; - else if (to_i915(dev)->mm.aliasing_ppgtt) - args->value = to_i915(dev)->mm.aliasing_ppgtt->vm.total; + else if (to_i915(dev)->ggtt.alias) + args->value = to_i915(dev)->ggtt.alias->vm.total; else args->value = to_i915(dev)->ggtt.vm.total; break; |