From: Chris Wilson Date: Tue, 20 Jun 2017 11:05:45 +0000 (+0100) Subject: drm/i915: Group all the global context information together X-Git-Tag: v4.14-rc1~8^2~53^2~80 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=829a0af29f70612f505302cc785a1ddd2bac148b;p=platform%2Fkernel%2Flinux-exynos.git drm/i915: Group all the global context information together Create a substruct to hold all the global context state under drm_i915_private. Signed-off-by: Chris Wilson Reviewed-by: Joonas Lahtinen Link: http://patchwork.freedesktop.org/patch/msgid/20170620110547.15947-1-chris@chris-wilson.co.uk --- diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 4577b0a..6103d00 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -1966,7 +1966,7 @@ static int i915_context_status(struct seq_file *m, void *unused) if (ret) return ret; - list_for_each_entry(ctx, &dev_priv->context_list, link) { + list_for_each_entry(ctx, &dev_priv->contexts.list, link) { seq_printf(m, "HW context %u ", ctx->hw_id); if (ctx->pid) { struct task_struct *task; @@ -2072,7 +2072,7 @@ static int i915_dump_lrc(struct seq_file *m, void *unused) if (ret) return ret; - list_for_each_entry(ctx, &dev_priv->context_list, link) + list_for_each_entry(ctx, &dev_priv->contexts.list, link) for_each_engine(engine, dev_priv, id) i915_dump_lrc_obj(m, ctx, engine); diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index ee2325b..36585b6 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -588,13 +588,13 @@ static void i915_gem_fini(struct drm_i915_private *dev_priv) mutex_lock(&dev_priv->drm.struct_mutex); intel_uc_fini_hw(dev_priv); i915_gem_cleanup_engines(dev_priv); - i915_gem_context_fini(dev_priv); + i915_gem_contexts_fini(dev_priv); i915_gem_cleanup_userptr(dev_priv); mutex_unlock(&dev_priv->drm.struct_mutex); i915_gem_drain_freed_objects(dev_priv); - WARN_ON(!list_empty(&dev_priv->context_list)); + WARN_ON(!list_empty(&dev_priv->contexts.list)); } static int i915_load_modeset_init(struct drm_device *dev) @@ -1425,9 +1425,10 @@ static void i915_driver_release(struct drm_device *dev) static int i915_driver_open(struct drm_device *dev, struct drm_file *file) { + struct drm_i915_private *i915 = to_i915(dev); int ret; - ret = i915_gem_open(dev, file); + ret = i915_gem_open(i915, file); if (ret) return ret; @@ -1457,7 +1458,7 @@ static void i915_driver_postclose(struct drm_device *dev, struct drm_file *file) struct drm_i915_file_private *file_priv = file->driver_priv; mutex_lock(&dev->struct_mutex); - i915_gem_context_close(dev, file); + i915_gem_context_close(file); i915_gem_release(dev, file); mutex_unlock(&dev->struct_mutex); diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index e2d2b78..fb627df 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -2235,13 +2235,6 @@ struct drm_i915_private { DECLARE_HASHTABLE(mm_structs, 7); struct mutex mm_lock; - /* The hw wants to have a stable context identifier for the lifetime - * of the context (for OA, PASID, faults, etc). This is limited - * in execlists to 21 bits. - */ - struct ida context_hw_ida; -#define MAX_CONTEXT_HW_ID (1<<21) /* exclusive */ - /* Kernel Modesetting */ struct intel_crtc *plane_to_crtc_mapping[I915_MAX_PIPES]; @@ -2320,7 +2313,16 @@ struct drm_i915_private { */ struct mutex av_mutex; - struct list_head context_list; + struct { + struct list_head list; + + /* The hw wants to have a stable context identifier for the + * lifetime of the context (for OA, PASID, faults, etc). + * This is limited in execlists to 21 bits. + */ + struct ida hw_ida; +#define MAX_CONTEXT_HW_ID (1<<21) /* exclusive */ + } contexts; u32 fdi_rx_config; @@ -3498,7 +3500,7 @@ i915_gem_object_pin_to_display_plane(struct drm_i915_gem_object *obj, void i915_gem_object_unpin_from_display_plane(struct i915_vma *vma); int i915_gem_object_attach_phys(struct drm_i915_gem_object *obj, int align); -int i915_gem_open(struct drm_device *dev, struct drm_file *file); +int i915_gem_open(struct drm_i915_private *i915, struct drm_file *file); void i915_gem_release(struct drm_device *dev, struct drm_file *file); int i915_gem_object_set_cache_level(struct drm_i915_gem_object *obj, diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 7dcac3b..c221301 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -3098,7 +3098,7 @@ void i915_gem_set_wedged(struct drm_i915_private *dev_priv) stop_machine(__i915_gem_set_wedged_BKL, dev_priv, NULL); - i915_gem_context_lost(dev_priv); + i915_gem_contexts_lost(dev_priv); mod_delayed_work(dev_priv->wq, &dev_priv->gt.idle_work, 0); } @@ -4564,7 +4564,7 @@ int i915_gem_suspend(struct drm_i915_private *dev_priv) goto err_unlock; assert_kernel_context_is_current(dev_priv); - i915_gem_context_lost(dev_priv); + i915_gem_contexts_lost(dev_priv); mutex_unlock(&dev->struct_mutex); intel_guc_suspend(dev_priv); @@ -4811,7 +4811,7 @@ int i915_gem_init(struct drm_i915_private *dev_priv) if (ret) goto out_unlock; - ret = i915_gem_context_init(dev_priv); + ret = i915_gem_contexts_init(dev_priv); if (ret) goto out_unlock; @@ -4921,7 +4921,6 @@ i915_gem_load_init(struct drm_i915_private *dev_priv) if (err) goto err_priorities; - INIT_LIST_HEAD(&dev_priv->context_list); INIT_WORK(&dev_priv->mm.free_work, __i915_gem_free_work); init_llist_head(&dev_priv->mm.free_list); INIT_LIST_HEAD(&dev_priv->mm.unbound_list); @@ -5045,7 +5044,7 @@ void i915_gem_release(struct drm_device *dev, struct drm_file *file) } } -int i915_gem_open(struct drm_device *dev, struct drm_file *file) +int i915_gem_open(struct drm_i915_private *i915, struct drm_file *file) { struct drm_i915_file_private *file_priv; int ret; @@ -5057,7 +5056,7 @@ int i915_gem_open(struct drm_device *dev, struct drm_file *file) return -ENOMEM; file->driver_priv = file_priv; - file_priv->dev_priv = to_i915(dev); + file_priv->dev_priv = i915; file_priv->file = file; INIT_LIST_HEAD(&file_priv->rps.link); @@ -5066,7 +5065,7 @@ int i915_gem_open(struct drm_device *dev, struct drm_file *file) file_priv->bsd_engine = -1; - ret = i915_gem_context_open(dev, file); + ret = i915_gem_context_open(i915, file); if (ret) kfree(file_priv); diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index 39ed58a..7a6a667 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -188,7 +188,7 @@ void i915_gem_context_free(struct kref *ctx_ref) list_del(&ctx->link); - ida_simple_remove(&ctx->i915->context_hw_ida, ctx->hw_id); + ida_simple_remove(&ctx->i915->contexts.hw_ida, ctx->hw_id); kfree(ctx); } @@ -205,7 +205,7 @@ static int assign_hw_id(struct drm_i915_private *dev_priv, unsigned *out) { int ret; - ret = ida_simple_get(&dev_priv->context_hw_ida, + ret = ida_simple_get(&dev_priv->contexts.hw_ida, 0, MAX_CONTEXT_HW_ID, GFP_KERNEL); if (ret < 0) { /* Contexts are only released when no longer active. @@ -213,7 +213,7 @@ static int assign_hw_id(struct drm_i915_private *dev_priv, unsigned *out) * stale contexts and try again. */ i915_gem_retire_requests(dev_priv); - ret = ida_simple_get(&dev_priv->context_hw_ida, + ret = ida_simple_get(&dev_priv->contexts.hw_ida, 0, MAX_CONTEXT_HW_ID, GFP_KERNEL); if (ret < 0) return ret; @@ -265,7 +265,7 @@ __create_hw_context(struct drm_i915_private *dev_priv, } kref_init(&ctx->ref); - list_add_tail(&ctx->link, &dev_priv->context_list); + list_add_tail(&ctx->link, &dev_priv->contexts.list); ctx->i915 = dev_priv; ctx->priority = I915_PRIORITY_NORMAL; @@ -418,7 +418,7 @@ out: return ctx; } -int i915_gem_context_init(struct drm_i915_private *dev_priv) +int i915_gem_contexts_init(struct drm_i915_private *dev_priv) { struct i915_gem_context *ctx; @@ -427,6 +427,8 @@ int i915_gem_context_init(struct drm_i915_private *dev_priv) if (WARN_ON(dev_priv->kernel_context)) return 0; + INIT_LIST_HEAD(&dev_priv->contexts.list); + if (intel_vgpu_active(dev_priv) && HAS_LOGICAL_RING_CONTEXTS(dev_priv)) { if (!i915.enable_execlists) { @@ -437,7 +439,7 @@ int i915_gem_context_init(struct drm_i915_private *dev_priv) /* Using the simple ida interface, the max is limited by sizeof(int) */ BUILD_BUG_ON(MAX_CONTEXT_HW_ID > INT_MAX); - ida_init(&dev_priv->context_hw_ida); + ida_init(&dev_priv->contexts.hw_ida); ctx = i915_gem_create_context(dev_priv, NULL); if (IS_ERR(ctx)) { @@ -463,7 +465,7 @@ int i915_gem_context_init(struct drm_i915_private *dev_priv) return 0; } -void i915_gem_context_lost(struct drm_i915_private *dev_priv) +void i915_gem_contexts_lost(struct drm_i915_private *dev_priv) { struct intel_engine_cs *engine; enum intel_engine_id id; @@ -484,7 +486,7 @@ void i915_gem_context_lost(struct drm_i915_private *dev_priv) if (!i915.enable_execlists) { struct i915_gem_context *ctx; - list_for_each_entry(ctx, &dev_priv->context_list, link) { + list_for_each_entry(ctx, &dev_priv->contexts.list, link) { if (!i915_gem_context_is_default(ctx)) continue; @@ -503,7 +505,7 @@ void i915_gem_context_lost(struct drm_i915_private *dev_priv) } } -void i915_gem_context_fini(struct drm_i915_private *dev_priv) +void i915_gem_contexts_fini(struct drm_i915_private *dev_priv) { struct i915_gem_context *dctx = dev_priv->kernel_context; @@ -514,7 +516,7 @@ void i915_gem_context_fini(struct drm_i915_private *dev_priv) context_close(dctx); dev_priv->kernel_context = NULL; - ida_destroy(&dev_priv->context_hw_ida); + ida_destroy(&dev_priv->contexts.hw_ida); } static int context_idr_cleanup(int id, void *p, void *data) @@ -525,16 +527,17 @@ static int context_idr_cleanup(int id, void *p, void *data) return 0; } -int i915_gem_context_open(struct drm_device *dev, struct drm_file *file) +int i915_gem_context_open(struct drm_i915_private *i915, + struct drm_file *file) { struct drm_i915_file_private *file_priv = file->driver_priv; struct i915_gem_context *ctx; idr_init(&file_priv->context_idr); - mutex_lock(&dev->struct_mutex); - ctx = i915_gem_create_context(to_i915(dev), file_priv); - mutex_unlock(&dev->struct_mutex); + mutex_lock(&i915->drm.struct_mutex); + ctx = i915_gem_create_context(i915, file_priv); + mutex_unlock(&i915->drm.struct_mutex); GEM_BUG_ON(i915_gem_context_is_kernel(ctx)); @@ -546,11 +549,11 @@ int i915_gem_context_open(struct drm_device *dev, struct drm_file *file) return 0; } -void i915_gem_context_close(struct drm_device *dev, struct drm_file *file) +void i915_gem_context_close(struct drm_file *file) { struct drm_i915_file_private *file_priv = file->driver_priv; - lockdep_assert_held(&dev->struct_mutex); + lockdep_assert_held(&file_priv->dev_priv->drm.struct_mutex); idr_for_each(&file_priv->context_idr, context_idr_cleanup, NULL); idr_destroy(&file_priv->context_idr); diff --git a/drivers/gpu/drm/i915/i915_gem_context.h b/drivers/gpu/drm/i915/i915_gem_context.h index 82c99ba..808f878 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.h +++ b/drivers/gpu/drm/i915/i915_gem_context.h @@ -273,13 +273,17 @@ static inline bool i915_gem_context_is_kernel(struct i915_gem_context *ctx) } /* i915_gem_context.c */ -int __must_check i915_gem_context_init(struct drm_i915_private *dev_priv); -void i915_gem_context_lost(struct drm_i915_private *dev_priv); -void i915_gem_context_fini(struct drm_i915_private *dev_priv); -int i915_gem_context_open(struct drm_device *dev, struct drm_file *file); -void i915_gem_context_close(struct drm_device *dev, struct drm_file *file); +int __must_check i915_gem_contexts_init(struct drm_i915_private *dev_priv); +void i915_gem_contexts_lost(struct drm_i915_private *dev_priv); +void i915_gem_contexts_fini(struct drm_i915_private *dev_priv); + +int i915_gem_context_open(struct drm_i915_private *i915, + struct drm_file *file); +void i915_gem_context_close(struct drm_file *file); + int i915_switch_context(struct drm_i915_gem_request *req); int i915_gem_switch_to_kernel_context(struct drm_i915_private *dev_priv); + void i915_gem_context_free(struct kref *ctx_ref); struct i915_gem_context * i915_gem_context_create_gvt(struct drm_device *dev); diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index 38c4440..d1771e8 100644 --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -1746,7 +1746,7 @@ static int gen8_configure_all_contexts(struct drm_i915_private *dev_priv, goto out; /* Update all contexts now that we've stalled the submission. */ - list_for_each_entry(ctx, &dev_priv->context_list, link) { + list_for_each_entry(ctx, &dev_priv->contexts.list, link) { struct intel_context *ce = &ctx->engine[RCS]; u32 *regs; diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c index 1eef3fa..3a48106 100644 --- a/drivers/gpu/drm/i915/i915_sysfs.c +++ b/drivers/gpu/drm/i915/i915_sysfs.c @@ -209,7 +209,7 @@ i915_l3_write(struct file *filp, struct kobject *kobj, memcpy(*remap_info + (offset/4), buf, count); /* NB: We defer the remapping until we switch to the context */ - list_for_each_entry(ctx, &dev_priv->context_list, link) + list_for_each_entry(ctx, &dev_priv->contexts.list, link) ctx->remap_slice |= (1<context_list, link) { + list_for_each_entry(ctx, &dev_priv->contexts.list, link) { for_each_engine(engine, dev_priv, id) { struct intel_context *ce = &ctx->engine[engine->id]; u32 *reg; diff --git a/drivers/gpu/drm/i915/selftests/mock_context.c b/drivers/gpu/drm/i915/selftests/mock_context.c index f8b9cc2..243325b9 100644 --- a/drivers/gpu/drm/i915/selftests/mock_context.c +++ b/drivers/gpu/drm/i915/selftests/mock_context.c @@ -48,7 +48,7 @@ mock_context(struct drm_i915_private *i915, if (!ctx->vma_lut.ht) goto err_free; - ret = ida_simple_get(&i915->context_hw_ida, + ret = ida_simple_get(&i915->contexts.hw_ida, 0, MAX_CONTEXT_HW_ID, GFP_KERNEL); if (ret < 0) goto err_vma_ht; diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c index 627e2aa..0ddb70a 100644 --- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c +++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c @@ -61,7 +61,7 @@ static void mock_device_release(struct drm_device *dev) mutex_lock(&i915->drm.struct_mutex); for_each_engine(engine, i915, id) mock_engine_free(engine); - i915_gem_context_fini(i915); + i915_gem_contexts_fini(i915); mutex_unlock(&i915->drm.struct_mutex); drain_workqueue(i915->wq); @@ -160,7 +160,7 @@ struct drm_i915_private *mock_gem_device(void) INIT_LIST_HEAD(&i915->mm.unbound_list); INIT_LIST_HEAD(&i915->mm.bound_list); - ida_init(&i915->context_hw_ida); + ida_init(&i915->contexts.hw_ida); INIT_DELAYED_WORK(&i915->gt.retire_work, mock_retire_work_handler); INIT_DELAYED_WORK(&i915->gt.idle_work, mock_idle_work_handler);