From patchwork Thu Nov 16 21:25:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Sripada, Radhakrishna" X-Patchwork-Id: 13458276 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 4B26FC197A0 for ; Thu, 16 Nov 2023 21:27:05 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B372510E101; Thu, 16 Nov 2023 21:27:04 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id 822B310E101 for ; Thu, 16 Nov 2023 21:27:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1700170022; x=1731706022; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=6vUPzrVDPPGeYEoQDJlPuFzmnpbeYXthecHST1kMPE4=; b=mnGsbidoBjQAXcyqMrk+rJHmudyO+4q+lDlY0PpWkUwlRFERBzIPaxVk o6/ir55ogS46ciPuEeK5cE9DsLw2gy/Tv5bmLrOseT6LK1viRS3UT0J8F LUFTjp6DwQAeWh5H9U1lzLhppFcmzfeSFxR7801Ew56ps642YqhDU91W5 WVIkMhrneqIjIW+3qf2KNn8Dh+f/xtv91+B9ycBWSJ+lGgLFFydEAF1xS ZZSlpatHYVur/sqeZWrQLFYb3b0oieM2uPOryk+77QjK5MAX55x58zVFG o2J/TSRoFvc2nXY14zHRguBKOP1oUFiuSNKfZi5Wzc/QYGhY+Xie/RDSx A==; X-IronPort-AV: E=McAfee;i="6600,9927,10896"; a="370541166" X-IronPort-AV: E=Sophos;i="6.04,205,1695711600"; d="scan'208";a="370541166" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Nov 2023 13:27:01 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10896"; a="758971675" X-IronPort-AV: E=Sophos;i="6.04,205,1695711600"; d="scan'208";a="758971675" Received: from invictus.jf.intel.com ([10.165.21.201]) by orsmga007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Nov 2023 13:27:01 -0800 From: Radhakrishna Sripada To: intel-gfx@lists.freedesktop.org Date: Thu, 16 Nov 2023 13:25:11 -0800 Message-Id: <20231116212511.1760446-1-radhakrishna.sripada@intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH] drm/i915/mtl: Update Wa_22018931422 X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Matt Roper Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Commit 78cc55e0b64c ("drm/i915/mcr: Hold GT forcewake during steering operations") introduced the workaround which was in early stages. With a valid lineage number update Workaround for future tracking. Cc: Matt Roper Signed-off-by: Radhakrishna Sripada Reviewed-by: Matt Roper --- drivers/gpu/drm/i915/gt/intel_gt_mcr.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/intel_gt_mcr.c b/drivers/gpu/drm/i915/gt/intel_gt_mcr.c index 34913912d8ae..e253750a51c5 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_mcr.c +++ b/drivers/gpu/drm/i915/gt/intel_gt_mcr.c @@ -388,8 +388,7 @@ void intel_gt_mcr_lock(struct intel_gt *gt, unsigned long *flags) * registers. This wakeref will be released in the unlock * routine. * - * This is expected to become a formally documented/numbered - * workaround soon. + * Wa_22018931422 */ intel_uncore_forcewake_get(gt->uncore, FORCEWAKE_GT);