From patchwork Fri Jun 13 15:37:35 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: oscar.mateo@intel.com X-Patchwork-Id: 4349911 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id B101BBEEE9 for ; Fri, 13 Jun 2014 15:43:18 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 0526220263 for ; Fri, 13 Jun 2014 15:43:14 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 01F022022A for ; Fri, 13 Jun 2014 15:43:13 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6DA6D6EA68; Fri, 13 Jun 2014 08:43:12 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTP id 6BC9F6EA57 for ; Fri, 13 Jun 2014 08:43:08 -0700 (PDT) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga101.fm.intel.com with ESMTP; 13 Jun 2014 08:43:08 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.01,471,1400050800"; d="scan'208";a="555136410" Received: from omateolo-linux2.iwi.intel.com ([172.28.253.145]) by fmsmga002.fm.intel.com with ESMTP; 13 Jun 2014 08:43:07 -0700 From: oscar.mateo@intel.com To: intel-gfx@lists.freedesktop.org Date: Fri, 13 Jun 2014 16:37:35 +0100 Message-Id: <1402673891-14618-18-git-send-email-oscar.mateo@intel.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1402673891-14618-1-git-send-email-oscar.mateo@intel.com> References: <1402673891-14618-1-git-send-email-oscar.mateo@intel.com> Subject: [Intel-gfx] [PATCH 17/53] drm/i915/bdw: Generic logical ring init and cleanup X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.15 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-Spam-Status: No, score=-4.8 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Oscar Mateo Allocate and populate the default LRC for every ring, call gen-specific init/cleanup, init/fini the command parser and set the status page (now inside the LRC object). Stopping the ring before cleanup and initializing the seqnos is left as a TODO task (we need more infrastructure in place before we can achieve this). Signed-off-by: Oscar Mateo --- drivers/gpu/drm/i915/i915_gem_context.c | 5 ---- drivers/gpu/drm/i915/intel_lrc.c | 52 +++++++++++++++++++++++++++++++++ drivers/gpu/drm/i915/intel_ringbuffer.c | 17 +++++++++++ drivers/gpu/drm/i915/intel_ringbuffer.h | 6 +--- 4 files changed, 70 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index 685c346..99bdd5e 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -449,11 +449,6 @@ int i915_gem_context_init(struct drm_device *dev) /* NB: RCS will hold a ref for all rings */ ring->default_context = ctx; - - /* FIXME: we only want to do this for initialized rings, but for that - * we first need the new logical ring stuff */ - if (dev_priv->lrc_enabled) - intel_lr_context_deferred_create(ctx, ring); } DRM_DEBUG_DRIVER("%s context support initialized\n", diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index e2958c1..55c61e8 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -88,10 +88,60 @@ bool intel_enable_execlists(struct drm_device *dev) void intel_logical_ring_cleanup(struct intel_engine_cs *ring) { + if (!intel_ring_initialized(ring)) + return; + + /* TODO: make sure the ring is stopped */ + ring->preallocated_lazy_request = NULL; + ring->outstanding_lazy_seqno = 0; + + if (ring->cleanup) + ring->cleanup(ring); + + i915_cmd_parser_fini_ring(ring); + + if (ring->status_page.obj) { + kunmap(sg_page(ring->status_page.obj->pages->sgl)); + ring->status_page.obj = NULL; + } } static int logical_ring_init(struct drm_device *dev, struct intel_engine_cs *ring) { + int ret; + struct intel_context *dctx = ring->default_context; + struct drm_i915_gem_object *dctx_obj; + + /* Intentionally left blank. */ + ring->buffer = NULL; + + ring->dev = dev; + INIT_LIST_HEAD(&ring->active_list); + INIT_LIST_HEAD(&ring->request_list); + init_waitqueue_head(&ring->irq_queue); + + ret = intel_lr_context_deferred_create(dctx, ring); + if (ret) + return ret; + + /* The status page is offset 0 from the context object in LRCs. */ + dctx_obj = dctx->engine[ring->id].obj; + ring->status_page.gfx_addr = i915_gem_obj_ggtt_offset(dctx_obj); + ring->status_page.page_addr = kmap(sg_page(dctx_obj->pages->sgl)); + if (ring->status_page.page_addr == NULL) + return -ENOMEM; + ring->status_page.obj = dctx_obj; + + ret = i915_cmd_parser_init_ring(ring); + if (ret) + return ret; + + if (ring->init) { + ret = ring->init(ring); + if (ret) + return ret; + } + return 0; } @@ -370,6 +420,8 @@ int intel_lr_context_deferred_create(struct intel_context *ctx, int ret; WARN_ON(ctx->render_obj != NULL); + if (ctx->engine[ring->id].obj) + return 0; context_size = round_up(get_lr_context_size(ring), 4096); diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 915f3d5..4a71dd4 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -40,6 +40,23 @@ */ #define CACHELINE_BYTES 64 +bool +intel_ring_initialized(struct intel_engine_cs *ring) +{ + struct drm_device *dev = ring->dev; + + if (!dev) + return false; + + if (intel_enable_execlists(dev)) { + struct intel_context *dctx = ring->default_context; + struct drm_i915_gem_object *dctx_obj = dctx->engine[ring->id].obj; + + return dctx_obj; + } else + return ring->buffer && ring->buffer->obj; +} + static inline int __ring_space(int head, int tail, int size) { int space = head - (tail + I915_RING_FREE_SPACE); diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index dee5b37..599b4ed 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -219,11 +219,7 @@ struct intel_engine_cs { u32 (*get_cmd_length_mask)(u32 cmd_header); }; -static inline bool -intel_ring_initialized(struct intel_engine_cs *ring) -{ - return ring->buffer && ring->buffer->obj; -} +bool intel_ring_initialized(struct intel_engine_cs *ring); static inline unsigned intel_ring_flag(struct intel_engine_cs *ring)