From patchwork Wed May 2 20:34:03 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: 10376461 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 93B796038F for ; Wed, 2 May 2018 20:34:26 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 83EC228F9F for ; Wed, 2 May 2018 20:34:26 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7900029007; Wed, 2 May 2018 20:34:26 +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=-5.2 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, 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 9809428F9F for ; Wed, 2 May 2018 20:34:25 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E24FC6E59F; Wed, 2 May 2018 20:34:20 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1E0D16E591 for ; Wed, 2 May 2018 20:34:18 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 02 May 2018 13:34:17 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.49,354,1520924400"; d="scan'208";a="36380614" Received: from omateolo-linux.sc.intel.com ([10.3.229.22]) by fmsmga007.fm.intel.com with ESMTP; 02 May 2018 13:34:17 -0700 From: Oscar Mateo To: intel-gfx@lists.freedesktop.org Date: Wed, 2 May 2018 13:34:03 -0700 Message-Id: <1525293261-13613-5-git-send-email-oscar.mateo@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1525293261-13613-1-git-send-email-oscar.mateo@intel.com> References: <1525293261-13613-1-git-send-email-oscar.mateo@intel.com> Subject: [Intel-gfx] [PATCH 04/22] drm/i915/icl: WaL3BankAddressHashing 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 Revert to an L3 non-hash model, for performance reasons. v2: - Place the WA name above the actual change - Improve the register naming v3: - Rebased - Renamed to Wa_1604223664 v4: Rebased on top of the WA refactoring v5: - Added References (Mika) - Fixed wrong mask and value (Mika) - Do not apply together with another WA for the same register (not worth the hassle) References: HSDES#1604223664 Cc: Mika Kuoppala Signed-off-by: Oscar Mateo Reviewed-by: Mika Kuoppala --- drivers/gpu/drm/i915/i915_reg.h | 6 ++++++ drivers/gpu/drm/i915/intel_workarounds.c | 10 ++++++++++ 2 files changed, 16 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 0671066..62c4fd2 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -8253,6 +8253,12 @@ enum { #define GEN8_GARBCNTL _MMIO(0xB004) #define GEN9_GAPS_TSV_CREDIT_DISABLE (1 << 7) #define GEN11_ARBITRATION_PRIO_ORDER_MASK (0x3f << 22) +#define GEN11_HASH_CTRL_EXCL_MASK (0x7f << 0) +#define GEN11_HASH_CTRL_EXCL_BIT0 (1 << 0) + +#define GEN11_GLBLINVL _MMIO(0xB404) +#define GEN11_BANK_HASH_ADDR_EXCL_MASK (0x7f << 5) +#define GEN11_BANK_HASH_ADDR_EXCL_BIT0 (1 << 5) #define GEN10_DFR_RATIO_EN_AND_CHICKEN _MMIO(0x9550) #define DFR_DISABLE (1 << 9) diff --git a/drivers/gpu/drm/i915/intel_workarounds.c b/drivers/gpu/drm/i915/intel_workarounds.c index 68e6caa..93591a0 100644 --- a/drivers/gpu/drm/i915/intel_workarounds.c +++ b/drivers/gpu/drm/i915/intel_workarounds.c @@ -705,6 +705,16 @@ static void icl_gt_workarounds_apply(struct drm_i915_private *dev_priv) */ I915_WRITE(GEN8_GARBCNTL, (I915_READ(GEN8_GARBCNTL) | GEN11_ARBITRATION_PRIO_ORDER_MASK)); + + /* Wa_1604223664:icl + * Formerly known as WaL3BankAddressHashing + */ + I915_WRITE(GEN8_GARBCNTL, + ((I915_READ(GEN8_GARBCNTL) & ~GEN11_HASH_CTRL_EXCL_MASK) | + GEN11_HASH_CTRL_EXCL_BIT0)); + I915_WRITE(GEN11_GLBLINVL, + ((I915_READ(GEN11_GLBLINVL) & ~GEN11_BANK_HASH_ADDR_EXCL_MASK) | + GEN11_BANK_HASH_ADDR_EXCL_BIT0)); } void intel_gt_workarounds_apply(struct drm_i915_private *dev_priv)