From patchwork Wed Mar 13 18:21:06 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ben Widawsky X-Patchwork-Id: 2264481 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by patchwork1.kernel.org (Postfix) with ESMTP id 00F263FCF6 for ; Wed, 13 Mar 2013 18:23:39 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id ECD5CE6781 for ; Wed, 13 Mar 2013 11:23:38 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from shiva.localdomain (209-20-75-48.static.cloud-ips.com [209.20.75.48]) by gabe.freedesktop.org (Postfix) with ESMTP id 6F088E678C for ; Wed, 13 Mar 2013 11:19:21 -0700 (PDT) Received: by shiva.localdomain (Postfix, from userid 1005) id CFF118C0E5; Wed, 13 Mar 2013 18:19:20 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on shiva.chad-versace.us X-Spam-Level: X-Spam-Status: No, score=-2.9 required=5.0 tests=ALL_TRUSTED,BAYES_00, URIBL_BLOCKED autolearn=unavailable version=3.3.2 Received: from localhost.localdomain (unknown [67.232.160.146]) by shiva.localdomain (Postfix) with ESMTPSA id 384268C085; Wed, 13 Mar 2013 18:19:17 +0000 (UTC) From: Ben Widawsky To: intel-gfx@lists.freedesktop.org Date: Wed, 13 Mar 2013 11:21:06 -0700 Message-Id: <1363198868-21787-8-git-send-email-ben@bwidawsk.net> X-Mailer: git-send-email 1.8.1.5 In-Reply-To: <1363198868-21787-1-git-send-email-ben@bwidawsk.net> References: <1363198868-21787-1-git-send-email-ben@bwidawsk.net> Cc: Ben Widawsky , "Mcallister, Jeffrey" Subject: [Intel-gfx] [PATCH 7/9] drm/i915: Don't wait for PCH on reset 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 BIOS should be setting this, but in case it doesn't... Signed-off-by: Ben Widawsky --- drivers/gpu/drm/i915/i915_gem.c | 3 +++ drivers/gpu/drm/i915/i915_reg.h | 1 + 2 files changed, 4 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 1417fc6..ee9c14c 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -3986,6 +3986,9 @@ i915_gem_init_hw(struct drm_device *dev) if (IS_HASWELL(dev) && (I915_READ(0x120010) == 1)) I915_WRITE(0x9008, I915_READ(0x9008) | 0xf0000); + if (HAS_PCH_NOP(dev)) + I915_WRITE(GEN7_MSG_CTL, 0); + i915_gem_l3_remap(dev); i915_gem_init_swizzling(dev); diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 4cf3ece..00b6a55 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -3481,6 +3481,7 @@ #define DISP_ARB_CTL 0x45000 #define DISP_TILE_SURFACE_SWIZZLING (1<<13) #define DISP_FBC_WM_DIS (1<<15) +#define GEN7_MSG_CTL 0x45010 /* GEN7 chicken */ #define GEN7_COMMON_SLICE_CHICKEN1 0x7010