From patchwork Thu Apr 5 22:28:57 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: oscar.mateo@intel.com X-Patchwork-Id: 10325529 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 5DCBD60467 for ; Thu, 5 Apr 2018 22:29:23 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 303352940A for ; Thu, 5 Apr 2018 22:29:23 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 232F72940C; Thu, 5 Apr 2018 22:29:23 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id B43602940A for ; Thu, 5 Apr 2018 22:29:22 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1CE606E8E0; Thu, 5 Apr 2018 22:29:20 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5036D6E8E0 for ; Thu, 5 Apr 2018 22:29:19 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 05 Apr 2018 15:29:18 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.48,412,1517904000"; d="scan'208";a="31397554" Received: from omateolo-linux.sc.intel.com ([10.3.229.22]) by orsmga008.jf.intel.com with ESMTP; 05 Apr 2018 15:29:18 -0700 From: Oscar Mateo To: intel-gfx@lists.freedesktop.org Date: Thu, 5 Apr 2018 15:28:57 -0700 Message-Id: <1522967348-27293-3-git-send-email-oscar.mateo@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1522967348-27293-1-git-send-email-oscar.mateo@intel.com> References: <1522967348-27293-1-git-send-email-oscar.mateo@intel.com> Subject: [Intel-gfx] [PATCH 03/14] drm/i915/icl: WaModifyGamTlbPartitioning X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 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-Virus-Scanned: ClamAV using ClamSMTP Adjust default GAM TLB partitioning for performance reasons. v2: Only touch the bits that we really need Cc: Mika Kuoppala Signed-off-by: Oscar Mateo --- drivers/gpu/drm/i915/i915_reg.h | 5 +++++ drivers/gpu/drm/i915/intel_pm.c | 5 +++++ 2 files changed, 10 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index cd5da2b..78abb49 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -8200,6 +8200,11 @@ enum { #define GEN9_GAPS_TSV_CREDIT_DISABLE (1 << 7) #define GEN11_ARBITRATION_PRIO_ORDER_MASK (0x3f << 22) +#define GEN11_GACB_PERF_CTRL _MMIO(0x4B80) +#define GEN11_HASH_CTRL_MASK (0x3 << 12 | 0xf << 0) +#define GEN11_HASH_CTRL_BIT0 (1 << 0) +#define GEN11_HASH_CTRL_BIT4 (1 << 12) + /* IVYBRIDGE DPF */ #define GEN7_L3CDERRST1(slice) _MMIO(0xB008 + (slice) * 0x200) /* L3CD Error Status 1 */ #define GEN7_L3CDERRST1_ROW_MASK (0x7ff<<14) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index d1b98ae..03c5de3 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -8518,6 +8518,11 @@ static void icl_init_clock_gating(struct drm_i915_private *dev_priv) */ I915_WRITE(GEN8_GARBCNTL, (I915_READ(GEN8_GARBCNTL) | GEN11_ARBITRATION_PRIO_ORDER_MASK)); + + /* WaModifyGamTlbPartitioning:icl */ + I915_WRITE(GEN11_GACB_PERF_CTRL, + ((I915_READ(GEN11_GACB_PERF_CTRL) & ~GEN11_HASH_CTRL_MASK) | + GEN11_HASH_CTRL_BIT0 | GEN11_HASH_CTRL_BIT4)); } static void cnl_init_clock_gating(struct drm_i915_private *dev_priv)