From patchwork Wed Mar 29 18:28:19 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Wilson X-Patchwork-Id: 9652257 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 485DF60349 for ; Wed, 29 Mar 2017 18:28:29 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 27AA72846D for ; Wed, 29 Mar 2017 18:28:29 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 194CE28501; Wed, 29 Mar 2017 18:28:29 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.1 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 653802846D for ; Wed, 29 Mar 2017 18:28:28 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1F8656E041; Wed, 29 Mar 2017 18:28:27 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mail-wr0-x241.google.com (mail-wr0-x241.google.com [IPv6:2a00:1450:400c:c0c::241]) by gabe.freedesktop.org (Postfix) with ESMTPS id 34D136E005 for ; Wed, 29 Mar 2017 18:28:25 +0000 (UTC) Received: by mail-wr0-x241.google.com with SMTP id w43so5389017wrb.1 for ; Wed, 29 Mar 2017 11:28:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id; bh=8ti8zo0cH9kXg7bi4VNmL1+r1GVp++gck7zGyFXUZfE=; b=Tu0nl2ONjSPWEbNrO0t49rNx6aRntiigPd/cTu5HmUHGte8nJ+Mcq3x8lDg/8syjKp SfVXG1+6bGeM+dxEmRJOmH82mFVs9aX04/e2NKZJvhtqMT+RvtSlNMYrPn62eB/EvAK5 Y2SFN3qaQkn8XEQxllA4NzKoBgQVXJt3UaWkvy8uHCHd0kvQtCUkjHKJCd3iERuXh0QA PYWg2vMyv7OB/vti/lOQ46bMjz7CJciM13eJ54kiUNlwudBIIgWwK5VdFjtFyZJjecYd tpzzA9deXgkFSNGVtP09ojY2FOFRTSoeRHcR7D47xae/iFCfQgrz1gPYf+HrqKQ+wfn4 +x8Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id; bh=8ti8zo0cH9kXg7bi4VNmL1+r1GVp++gck7zGyFXUZfE=; b=fRrUj/ylFxqnJy57/snPtJApwbtltrcCeLvaLHc0AlkpD6IpeUxQI6LeUB7W9moxu5 8HIOh2L9DziMUm4d4cs5o0OaPD31PCyHLoBATBs2kFRPxfdReaZYO3dafgFKdrhDDzqw NtgPZclaHKSJXM8xiDvHrZ28WoYdTTokz8qt0h7vhMbnLgujF43k04ipEuJpzHAuRX98 WUlCAsZ/q4hY+XqSSRwJ9KOFlTmpKXKviWBZ7eOAii81akp+6zEnQrxLCS+cCfgcIsn3 0ET7LwYXn8pj7DsunXc9l7DS9FmhKr8gKu8SBGavdpdQYWzoKuQg+SnhK3ZV1QVOl63p hn3g== X-Gm-Message-State: AFeK/H2eq7tJXpS5OL72ZBhVRjG6DgPr1z4+/KeGp1zEM1qXgBXmQOuTX6e7zm69SMK9og== X-Received: by 10.223.155.200 with SMTP id e8mr1771896wrc.74.1490812103679; Wed, 29 Mar 2017 11:28:23 -0700 (PDT) Received: from haswell.alporthouse.com ([78.156.65.138]) by smtp.gmail.com with ESMTPSA id i130sm79784wmf.26.2017.03.29.11.28.22 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 29 Mar 2017 11:28:22 -0700 (PDT) From: Chris Wilson To: intel-gfx@lists.freedesktop.org Date: Wed, 29 Mar 2017 19:28:19 +0100 Message-Id: <20170329182821.26747-1-chris@chris-wilson.co.uk> X-Mailer: git-send-email 2.11.0 Subject: [Intel-gfx] [PATCH 1/3] drm/i915: Group all the global context information together X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP Create a substruct to hold all the global context state under drm_i915_private. Signed-off-by: Chris Wilson Reviewed-by: Joonas Lahtinen --- drivers/gpu/drm/i915/i915_debugfs.c | 4 +-- drivers/gpu/drm/i915/i915_drv.c | 2 +- drivers/gpu/drm/i915/i915_drv.h | 20 +++++++------- drivers/gpu/drm/i915/i915_gem.c | 1 - drivers/gpu/drm/i915/i915_gem_context.c | 34 +++++++++++++----------- drivers/gpu/drm/i915/i915_sysfs.c | 2 +- drivers/gpu/drm/i915/intel_lrc.c | 2 +- drivers/gpu/drm/i915/selftests/mock_context.c | 2 +- drivers/gpu/drm/i915/selftests/mock_gem_device.c | 2 +- 9 files changed, 36 insertions(+), 33 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 8a7f57318a87..a75d848901d4 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -1956,7 +1956,7 @@ 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; @@ -2062,7 +2062,7 @@ 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 e98f6c90efe0..111874c3a140 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -560,7 +560,7 @@ static void i915_gem_fini(struct drm_i915_private *dev_priv) 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) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index f263715f65c9..45bc9a65ec53 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -2287,13 +2287,6 @@ 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]; @@ -2372,8 +2365,17 @@ struct drm_i915_private { */ struct mutex av_mutex; - uint32_t hw_context_size; - struct list_head context_list; + struct { + struct list_head list; + u32 hw_size; + + /* 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; diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 10f2d26cb2a9..fef212821994 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -4784,7 +4784,6 @@ i915_gem_load_init(struct drm_i915_private *dev_priv) if (err) goto err_dependencies; - 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); diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index 5aab9f97385c..c0f3acece66a 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -214,7 +214,7 @@ 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); } @@ -270,7 +270,7 @@ 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. @@ -278,7 +278,7 @@ 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; @@ -330,7 +330,7 @@ __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->vma_lut.ht_bits = VMA_HT_BITS; @@ -344,11 +344,11 @@ __create_hw_context(struct drm_i915_private *dev_priv, INIT_WORK(&ctx->vma_lut.resize, resize_vma_ht); - if (dev_priv->hw_context_size) { + if (dev_priv->contexts.hw_size) { struct drm_i915_gem_object *obj; struct i915_vma *vma; - obj = alloc_context_obj(dev_priv, dev_priv->hw_context_size); + obj = alloc_context_obj(dev_priv, dev_priv->contexts.hw_size); if (IS_ERR(obj)) { ret = PTR_ERR(obj); goto err_lut; @@ -511,6 +511,8 @@ 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) { @@ -521,20 +523,20 @@ 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); if (i915.enable_execlists) { /* NB: intentionally left blank. We will allocate our own * backing objects as we need them, thank you very much */ - dev_priv->hw_context_size = 0; + dev_priv->contexts.hw_size = 0; } else if (HAS_HW_CONTEXTS(dev_priv)) { - dev_priv->hw_context_size = + dev_priv->contexts.hw_size = round_up(get_context_size(dev_priv), I915_GTT_PAGE_SIZE); - if (dev_priv->hw_context_size > (1<<20)) { + if (dev_priv->contexts.hw_size > (1<<20)) { DRM_DEBUG_DRIVER("Disabling HW Contexts; invalid size %d\n", - dev_priv->hw_context_size); - dev_priv->hw_context_size = 0; + dev_priv->contexts.hw_size); + dev_priv->contexts.hw_size = 0; } } @@ -558,7 +560,7 @@ int i915_gem_context_init(struct drm_i915_private *dev_priv) DRM_DEBUG_DRIVER("%s context support initialized\n", i915.enable_execlists ? "LR" : - dev_priv->hw_context_size ? "HW" : "fake"); + dev_priv->contexts.hw_size ? "HW" : "fake"); return 0; } @@ -583,7 +585,7 @@ 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; @@ -613,7 +615,7 @@ 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) @@ -1023,7 +1025,7 @@ int i915_gem_switch_to_kernel_context(struct drm_i915_private *dev_priv) static bool contexts_enabled(struct drm_device *dev) { - return i915.enable_execlists || to_i915(dev)->hw_context_size; + return i915.enable_execlists || to_i915(dev)->contexts.hw_size; } static bool client_is_banned(struct drm_i915_file_private *file_priv) diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c index f3fdfda5e558..94929f7fb998 100644 --- a/drivers/gpu/drm/i915/i915_sysfs.c +++ b/drivers/gpu/drm/i915/i915_sysfs.c @@ -214,7 +214,7 @@ i915_l3_write(struct file *filp, struct kobject *kobj, memcpy(dev_priv->l3_parity.remap_info[slice] + (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<struct_mutex); diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index c8f7c631fc1f..0596ad517273 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -2016,7 +2016,7 @@ void intel_lr_context_resume(struct drm_i915_private *dev_priv) * So to avoid that we reset the context images upon resume. For * simplicity, we just zero everything out. */ - 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) { 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 f8b9cc212b02..243325b97d4c 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 6a8258eacdcb..a356db346ac7 100644 --- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c +++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c @@ -156,7 +156,7 @@ 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);