From patchwork Fri Jul 20 11:41:05 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Wilson X-Patchwork-Id: 1220441 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by patchwork2.kernel.org (Postfix) with ESMTP id 04609DF24C for ; Fri, 20 Jul 2012 11:46:00 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E3E2C9F37C for ; Fri, 20 Jul 2012 04:45:59 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from fireflyinternet.com (smtp.fireflyinternet.com [109.228.6.236]) by gabe.freedesktop.org (Postfix) with ESMTP id 8CFF79F390 for ; Fri, 20 Jul 2012 04:42:30 -0700 (PDT) X-Default-Received-SPF: pass (skip=forwardok (res=PASS)) x-ip-name=78.156.66.37; Received: from arrandale.alporthouse.com (unverified [78.156.66.37]) by fireflyinternet.com (Firefly Internet SMTP) with ESMTP id 118592612-1500050 for multiple; Fri, 20 Jul 2012 12:42:25 +0100 From: Chris Wilson To: intel-gfx@lists.freedesktop.org Date: Fri, 20 Jul 2012 12:41:05 +0100 Message-Id: <1342784468-20474-8-git-send-email-chris@chris-wilson.co.uk> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1342784468-20474-1-git-send-email-chris@chris-wilson.co.uk> References: <1342784468-20474-1-git-send-email-chris@chris-wilson.co.uk> X-Originating-IP: 78.156.66.37 Subject: [Intel-gfx] [PATCH 07/10] drm/i915: Remove the explicit flush of the GPU write domain X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: intel-gfx-bounces+patchwork-intel-gfx=patchwork.kernel.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+patchwork-intel-gfx=patchwork.kernel.org@lists.freedesktop.org Rely instead on the insertion of the implicit flush before the seqno breadcrumb. Signed-off-by: Chris Wilson --- drivers/gpu/drm/i915/i915_gem.c | 34 ---------------------------------- 1 file changed, 34 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index f5e6a3b..e0a22c6 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -37,7 +37,6 @@ #include #include -static __must_check int i915_gem_object_flush_gpu_write_domain(struct drm_i915_gem_object *obj); static void i915_gem_object_flush_gtt_write_domain(struct drm_i915_gem_object *obj); static void i915_gem_object_flush_cpu_write_domain(struct drm_i915_gem_object *obj); static __must_check int i915_gem_object_bind_to_gtt(struct drm_i915_gem_object *obj, @@ -2021,10 +2020,6 @@ i915_gem_object_flush_active(struct drm_i915_gem_object *obj) int ret; if (obj->active) { - ret = i915_gem_object_flush_gpu_write_domain(obj); - if (ret) - return ret; - ret = i915_gem_check_olr(obj->ring, obj->last_read_seqno); if (ret) return ret; @@ -2782,17 +2777,6 @@ i915_gem_clflush_object(struct drm_i915_gem_object *obj) drm_clflush_pages(obj->pages, obj->base.size / PAGE_SIZE); } -/** Flushes any GPU write domain for the object if it's dirty. */ -static int -i915_gem_object_flush_gpu_write_domain(struct drm_i915_gem_object *obj) -{ - if ((obj->base.write_domain & I915_GEM_GPU_DOMAINS) == 0) - return 0; - - /* Queue the GPU write cache flushing we need. */ - return i915_gem_flush_ring(obj->ring, 0, obj->base.write_domain); -} - /** Flushes the GTT write domain for the object if it's dirty. */ static void i915_gem_object_flush_gtt_write_domain(struct drm_i915_gem_object *obj) @@ -2859,10 +2843,6 @@ i915_gem_object_set_to_gtt_domain(struct drm_i915_gem_object *obj, bool write) if (obj->base.write_domain == I915_GEM_DOMAIN_GTT) return 0; - ret = i915_gem_object_flush_gpu_write_domain(obj); - if (ret) - return ret; - ret = i915_gem_object_wait_rendering(obj, !write); if (ret) return ret; @@ -2973,10 +2953,6 @@ i915_gem_object_pin_to_display_plane(struct drm_i915_gem_object *obj, u32 old_read_domains, old_write_domain; int ret; - ret = i915_gem_object_flush_gpu_write_domain(obj); - if (ret) - return ret; - if (pipelined != obj->ring) { ret = i915_gem_object_sync(obj, pipelined); if (ret) @@ -3030,12 +3006,6 @@ i915_gem_object_finish_gpu(struct drm_i915_gem_object *obj) if ((obj->base.read_domains & I915_GEM_GPU_DOMAINS) == 0) return 0; - if (obj->base.write_domain & I915_GEM_GPU_DOMAINS) { - ret = i915_gem_flush_ring(obj->ring, 0, obj->base.write_domain); - if (ret) - return ret; - } - ret = i915_gem_object_wait_rendering(obj, false); if (ret) return ret; @@ -3060,10 +3030,6 @@ i915_gem_object_set_to_cpu_domain(struct drm_i915_gem_object *obj, bool write) if (obj->base.write_domain == I915_GEM_DOMAIN_CPU) return 0; - ret = i915_gem_object_flush_gpu_write_domain(obj); - if (ret) - return ret; - ret = i915_gem_object_wait_rendering(obj, !write); if (ret) return ret;