From patchwork Thu Jun 9 07:34:17 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Wang, Zhi A" X-Patchwork-Id: 9166401 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 F08D76048F for ; Thu, 9 Jun 2016 07:39:47 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E0C6D25218 for ; Thu, 9 Jun 2016 07:39:47 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D5ACB28319; Thu, 9 Jun 2016 07:39:47 +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=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9C0B125218 for ; Thu, 9 Jun 2016 07:39:47 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 64F426EAD1; Thu, 9 Jun 2016 07:39:45 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTP id 60F6B6EAD5 for ; Thu, 9 Jun 2016 07:39:40 +0000 (UTC) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga102.jf.intel.com with ESMTP; 09 Jun 2016 00:39:40 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.26,443,1459839600"; d="scan'208";a="998378814" Received: from zhiwang1-mobl4.ccr.corp.intel.com (HELO inno-VirtualBox.fi.intel.com) ([10.237.66.152]) by fmsmga002.fm.intel.com with ESMTP; 09 Jun 2016 00:39:32 -0700 From: Zhi Wang To: intel-gfx@lists.freedesktop.org Date: Thu, 9 Jun 2016 03:34:17 -0400 Message-Id: <1465457661-6117-7-git-send-email-zhi.a.wang@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1465457661-6117-1-git-send-email-zhi.a.wang@intel.com> References: <1465457661-6117-1-git-send-email-zhi.a.wang@intel.com> Cc: zhiyuan.lv@intel.com Subject: [Intel-gfx] [PATCH v9 06/10] drm/i915: Make ring buffer size of a LRC context configurable 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 This patch introduces an option for configuring the ring buffer size of a LRC context after the context creation. v9: - Fix an identation issue. (Chris) v8: - Rename the data member in i915_gem_context. (Chris) Reviewed-by: Joonas Lahtinen Cc: Joonas Lahtinen Cc: Chris Wilson Signed-off-by: Zhi Wang --- drivers/gpu/drm/i915/i915_drv.h | 1 + drivers/gpu/drm/i915/i915_gem_context.c | 1 + drivers/gpu/drm/i915/intel_lrc.c | 2 +- 3 files changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index a461486..c3b4009 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -878,6 +878,7 @@ struct i915_gem_context { int pin_count; bool initialised; } engine[I915_NUM_ENGINES]; + u32 ring_size; struct list_head link; diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index a3b11aa..b722fa1 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -295,6 +295,7 @@ __create_hw_context(struct drm_device *dev, ctx->remap_slice = ALL_L3_SLICES(dev_priv); ctx->hang_stats.ban_period_seconds = DRM_I915_CTX_BAN_PERIOD; + ctx->ring_size = 4 * PAGE_SIZE; return ctx; diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index 4fad830..177b61d 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -2527,7 +2527,7 @@ static int execlists_context_deferred_alloc(struct i915_gem_context *ctx, return PTR_ERR(ctx_obj); } - ringbuf = intel_engine_create_ringbuffer(engine, 4 * PAGE_SIZE); + ringbuf = intel_engine_create_ringbuffer(engine, ctx->ring_size); if (IS_ERR(ringbuf)) { ret = PTR_ERR(ringbuf); goto error_deref_obj;