From patchwork Thu Jul 3 22:01:49 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ben Widawsky X-Patchwork-Id: 4477381 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 543BABEEAA for ; Thu, 3 Jul 2014 22:02:05 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A07672026F for ; Thu, 3 Jul 2014 22:02:04 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id D9BF220260 for ; Thu, 3 Jul 2014 22:02:03 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 043486E782; Thu, 3 Jul 2014 15:02:03 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id A76AF6E782 for ; Thu, 3 Jul 2014 15:02:02 -0700 (PDT) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga101.jf.intel.com with ESMTP; 03 Jul 2014 15:01:50 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.01,597,1400050800"; d="scan'208";a="538545475" Received: from ironside.jf.intel.com ([10.7.197.52]) by orsmga001.jf.intel.com with ESMTP; 03 Jul 2014 15:01:50 -0700 From: Ben Widawsky To: Intel GFX Date: Thu, 3 Jul 2014 15:01:49 -0700 Message-Id: <1404424910-7234-1-git-send-email-benjamin.widawsky@intel.com> X-Mailer: git-send-email 2.0.1 In-Reply-To: <1404238671-18760-1-git-send-email-benjamin.widawsky@intel.com> References: <1404238671-18760-1-git-send-email-benjamin.widawsky@intel.com> Cc: Ben Widawsky , Ben Widawsky Subject: [Intel-gfx] [PATCH 1/2] drm/i915/gen8: Invalidate TLBs before PDP reload 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=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_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 This is a spec requirement for all rings. Signed-off-by: Ben Widawsky --- drivers/gpu/drm/i915/i915_gem_context.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index 5b4a9a0..1ac648f 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -870,6 +870,9 @@ int i915_switch_context(struct intel_engine_cs *ring, if (from == to && !to->remap_slice) return 0; + if (IS_GEN8(ring->dev)) + WARN_ON(ring->flush(ring, I915_GEM_GPU_DOMAINS, 0)); + if (ring->id == RCS) return do_switch_rcs(ring, from, to); else