From patchwork Fri Mar 1 22:08:23 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jesse Barnes X-Patchwork-Id: 2204911 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 7E2DFDF24C for ; Fri, 1 Mar 2013 22:13:38 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7A13AE6718 for ; Fri, 1 Mar 2013 14:13:38 -0800 (PST) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from oproxy5-pub.bluehost.com (oproxy5-pub.bluehost.com [67.222.38.55]) by gabe.freedesktop.org (Postfix) with SMTP id 2FD65E67D2 for ; Fri, 1 Mar 2013 14:08:32 -0800 (PST) Received: (qmail 14194 invoked by uid 0); 1 Mar 2013 22:08:31 -0000 Received: from unknown (HELO box514.bluehost.com) (74.220.219.114) by cpoproxy2.bluehost.com with SMTP; 1 Mar 2013 22:08:31 -0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=virtuousgeek.org; s=default; h=References:In-Reply-To:Message-Id:Date:Subject:To:From; bh=25Lt6cGPt67pz/dxoBj67aM0wFOWXaHHvRzu0mQ0z20=; b=kYlY04EtP6K4uXOIbM4mj5zWBCoHJ4EmmVEJHk1mv48ISpDJxOia9dIHJX3s4fHUFGA6/5c3nXF+GUNHzWrg5csCX4u2VXhBCbLNuaiCMMj7wOszSXOq/Hw8xoRSdoLw; Received: from [67.161.37.189] (port=37931 helo=jbarnes-desktop.intel.com) by box514.bluehost.com with esmtpsa (TLSv1:CAMELLIA256-SHA:256) (Exim 4.80) (envelope-from ) id 1UBY7y-0005Ib-Ce for intel-gfx@lists.freedesktop.org; Fri, 01 Mar 2013 15:08:30 -0700 From: Jesse Barnes To: intel-gfx@lists.freedesktop.org Date: Fri, 1 Mar 2013 14:08:23 -0800 Message-Id: <1362175722-9281-7-git-send-email-jbarnes@virtuousgeek.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1362175722-9281-1-git-send-email-jbarnes@virtuousgeek.org> References: <1362175722-9281-1-git-send-email-jbarnes@virtuousgeek.org> X-Identified-User: {10642:box514.bluehost.com:virtuous:virtuousgeek.org} {sentby:smtp auth 67.161.37.189 authed with jbarnes@virtuousgeek.org} Subject: [Intel-gfx] [PATCH 07/26] drm/i915: implement WaDisablePSDDualDispatchEnable on VLV 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 Can prevent a hang when we get to tessellation. Signed-off-by: Jesse Barnes --- drivers/gpu/drm/i915/intel_pm.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 61fee7f..59ea12a 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3899,8 +3899,10 @@ static void valleyview_init_clock_gating(struct drm_device *dev) CHICKEN3_DGMG_REQ_OUT_FIX_DISABLE | CHICKEN3_DGMG_DONE_FIX_DISABLE); + /* WaDisablePSDDualDispatchEnable */ I915_WRITE(GEN7_HALF_SLICE_CHICKEN1, - _MASKED_BIT_ENABLE(GEN7_PSD_SINGLE_PORT_DISPATCH_ENABLE)); + _MASKED_BIT_ENABLE(GEN7_MAX_PS_THREAD_DEP | + GEN7_PSD_SINGLE_PORT_DISPATCH_ENABLE)); /* Apply the WaDisableRHWOOptimizationForRenderHang workaround. */ I915_WRITE(GEN7_COMMON_SLICE_CHICKEN1,