From mboxrd@z Thu Jan 1 00:00:00 1970 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 68664C433F5 for ; Tue, 23 Nov 2021 11:37:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236238AbhKWLkY (ORCPT ); Tue, 23 Nov 2021 06:40:24 -0500 Received: from mail.kernel.org ([198.145.29.99]:33894 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236251AbhKWLkV (ORCPT ); Tue, 23 Nov 2021 06:40:21 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 99D8560E73; Tue, 23 Nov 2021 11:37:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1637667433; bh=OvRWccbRtmQJFk1uEhKSQ2ry9Wq0bOCstx3yYR6KEg8=; h=Subject:To:Cc:From:Date:From; b=bLJxzpAitdmX9ReNYW8bUaY49rcB5tuTYo8RLco7u4Iko3XuG0zShivHARgZC+iLj rFqweHBG0qRmPZcYCYohVbN3vamlAPz17q2C7FGUwskup3hk2HA+41qmQWkt1NB4F5 a7QOzahyfBXW0xcyujfogK8irPNyIfbr9WWHVfiw= Subject: FAILED: patch "[PATCH] drm/i915: Convert unconditional clflush to" failed to apply to 5.10-stable tree To: ville.syrjala@linux.intel.com, airlied@redhat.com, maarten.lankhorst@linux.intel.com, thomas.hellstrom@intel.com Cc: From: Date: Tue, 23 Nov 2021 12:37:10 +0100 Message-ID: <163766743015627@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org The patch below does not apply to the 5.10-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From af7b6d234eefa30c461cc16912bafb32b9e6141c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= Date: Thu, 14 Oct 2021 12:09:39 +0300 Subject: [PATCH] drm/i915: Convert unconditional clflush to drm_clflush_virt_range() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Link: https://patchwork.freedesktop.org/patch/msgid/20211014090941.12159-3-ville.syrjala@linux.intel.com Reviewed-by: Dave Airlie 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)