From patchwork Thu Oct 14 09:09:39 2021 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: 12558135 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B055FC433FE for ; Thu, 14 Oct 2021 09:10:02 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 7C3836101D for ; Thu, 14 Oct 2021 09:10:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 7C3836101D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0F2AC6EC3D; Thu, 14 Oct 2021 09:10:01 +0000 (UTC) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTPS id BDA696EC3C; Thu, 14 Oct 2021 09:09:59 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6200,9189,10136"; a="225092696" X-IronPort-AV: E=Sophos;i="5.85,372,1624345200"; d="scan'208";a="225092696" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Oct 2021 02:09:59 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.85,372,1624345200"; d="scan'208";a="563700124" Received: from stinkbox.fi.intel.com (HELO stinkbox) ([10.237.72.171]) by FMSMGA003.fm.intel.com with SMTP; 14 Oct 2021 02:09:50 -0700 Received: by stinkbox (sSMTP sendmail emulation); Thu, 14 Oct 2021 12:09:50 +0300 From: Ville Syrjala To: intel-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org, stable@vger.kernel.org, Maarten Lankhorst , =?utf-8?q?Thomas_Hel?= =?utf-8?q?lstr=C3=B6m?= Subject: [PATCH 2/4] drm/i915: Convert unconditional clflush to drm_clflush_virt_range() Date: Thu, 14 Oct 2021 12:09:39 +0300 Message-Id: <20211014090941.12159-3-ville.syrjala@linux.intel.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20211014090941.12159-1-ville.syrjala@linux.intel.com> References: <20211014090941.12159-1-ville.syrjala@linux.intel.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Ville Syrjälä This one is apparently a "clflush for good measure", so bit more justification (if you can call it that) than some of the others. Convert to drm_clflush_virt_range() again so that machines without clflush will survive the ordeal. Cc: stable@vger.kernel.org Cc: Maarten Lankhorst Cc: Thomas Hellström #v1 Fixes: 12ca695d2c1e ("drm/i915: Do not share hwsp across contexts any more, v8.") Signed-off-by: Ville Syrjälä --- drivers/gpu/drm/i915/gt/intel_timeline.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/gt/intel_timeline.c b/drivers/gpu/drm/i915/gt/intel_timeline.c index 1257f4f11e66..23d7328892ed 100644 --- a/drivers/gpu/drm/i915/gt/intel_timeline.c +++ b/drivers/gpu/drm/i915/gt/intel_timeline.c @@ -225,7 +225,7 @@ void intel_timeline_reset_seqno(const struct intel_timeline *tl) memset(hwsp_seqno + 1, 0, TIMELINE_SEQNO_BYTES - sizeof(*hwsp_seqno)); WRITE_ONCE(*hwsp_seqno, tl->seqno); - clflush(hwsp_seqno); + drm_clflush_virt_range(hwsp_seqno, TIMELINE_SEQNO_BYTES); } void intel_timeline_enter(struct intel_timeline *tl)