From patchwork Fri Jul 5 13:48:31 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= X-Patchwork-Id: 2824213 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 D3E4DBF4A1 for ; Fri, 5 Jul 2013 13:56:44 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id DF5FD2015B for ; Fri, 5 Jul 2013 13:56:43 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id D451E20153 for ; Fri, 5 Jul 2013 13:56:42 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B1778E5CB0 for ; Fri, 5 Jul 2013 06:56:42 -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 73723E5EFE for ; Fri, 5 Jul 2013 06:49:38 -0700 (PDT) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga101.jf.intel.com with ESMTP; 05 Jul 2013 06:49:38 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos; i="4.87,1001,1363158000"; d="scan'208"; a="340959093" Received: from stinkbox.fi.intel.com (HELO stinkbox) ([10.237.72.168]) by orsmga001.jf.intel.com with SMTP; 05 Jul 2013 06:49:36 -0700 Received: by stinkbox (sSMTP sendmail emulation); Fri, 05 Jul 2013 16:49:35 +0300 From: ville.syrjala@linux.intel.com To: intel-gfx@lists.freedesktop.org Date: Fri, 5 Jul 2013 16:48:31 +0300 Message-Id: <1373032128-23755-14-git-send-email-ville.syrjala@linux.intel.com> X-Mailer: git-send-email 1.8.1.5 In-Reply-To: <1373032128-23755-1-git-send-email-ville.syrjala@linux.intel.com> References: <1373032128-23755-1-git-send-email-ville.syrjala@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 13/30] drm/i915: Implement WaIncreaseL3CreditsForVLVB0: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: , 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 X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, 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 From: Ville Syrjälä Signed-off-by: Ville Syrjälä --- drivers/gpu/drm/i915/i915_reg.h | 3 +++ drivers/gpu/drm/i915/intel_pm.c | 6 ++++++ 2 files changed, 9 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 035ae03..29172fb 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -3775,6 +3775,9 @@ #define GEN7_COMMON_SLICE_CHICKEN1 0x7010 # define GEN7_CSC1_RHWO_OPT_DISABLE_IN_RCC ((1<<10) | (1<<26)) +#define GEN7_L3SQCREG1 0xB010 +#define VLV_B0_WA_L3SQCREG1_VALUE 0x00D30000 + #define GEN7_L3CNTLREG1 0xB01C #define GEN7_WA_FOR_GEN7_L3_CONTROL 0x3C4FFF8C #define GEN7_L3AGDIS (1<<19) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index fe7f147..4483c25 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -4907,6 +4907,12 @@ static void valleyview_init_clock_gating(struct drm_device *dev) _MASKED_BIT_ENABLE(PIXEL_SUBSPAN_COLLECT_OPT_DISABLE)); /* + * WaIncreaseL3CreditsForVLVB0:vlv + * This is the hardware default actually. + */ + I915_WRITE(GEN7_L3SQCREG1, VLV_B0_WA_L3SQCREG1_VALUE); + + /* * WaDisableVLVClockGating_VBIIssue:vlv * Disable clock gating on th GCFG unit to prevent a delay * in the reporting of vblank events.