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 X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 948F5C2BB55 for ; Thu, 16 Apr 2020 13:41:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 69F312222C for ; Thu, 16 Apr 2020 13:41:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587044513; bh=BOu0AN0pfQjoXKcTkTU6Nc2Y2gjBUNMbPmTmThh6Y0I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=vuuq7bOnzIOhKkD+dzm9pDtJMZmyRyzI0kFwi0xolXCHKTbP0TwrtjF5+GBFdQLW2 saVFQXjNEbPtSU5ZnihPioS43tpSVzXwO8ONAqNMcxY25sM9gbQcMRdBTqgcWu2Fc0 bp5wzBpgiBZNZew65jsjMjKa9zlPX6ElVoEEtl2c= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2898376AbgDPNlv (ORCPT ); Thu, 16 Apr 2020 09:41:51 -0400 Received: from mail.kernel.org ([198.145.29.99]:54628 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2898352AbgDPNln (ORCPT ); Thu, 16 Apr 2020 09:41:43 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 9E952214D8; Thu, 16 Apr 2020 13:41:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587044503; bh=BOu0AN0pfQjoXKcTkTU6Nc2Y2gjBUNMbPmTmThh6Y0I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kr3qPryl//Ul4T2HMr/LiU/v4eZLTvBetroyIu0IxMEVPXCccqCLpI9Z8sLPgo8Sc V0qs3Kfam9Y9oa8IzbQ0gN6wlUzqTQbUaejgwwWWeEnFwrmsPGgRj645Y9/IDgJFLx 0ul6O+535x0Bed5STIVyhO/1m9diGUCHXLeJ3ngA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Chris Wilson , Matthew Auld , Rodrigo Vivi Subject: [PATCH 5.5 207/257] drm/i915/gem: Flush all the reloc_gpu batch Date: Thu, 16 Apr 2020 15:24:18 +0200 Message-Id: <20200416131351.953230891@linuxfoundation.org> X-Mailer: git-send-email 2.26.1 In-Reply-To: <20200416131325.891903893@linuxfoundation.org> References: <20200416131325.891903893@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Chris Wilson commit 1aaea8476d9f014667d2cb24819f9bcaf3ebb7a4 upstream. __i915_gem_object_flush_map() takes a byte range, so feed it the written bytes and do not mistake the u32 index as bytes! Fixes: a679f58d0510 ("drm/i915: Flush pages on acquisition") Signed-off-by: Chris Wilson Cc: Matthew Auld Cc: # v5.2+ Reviewed-by: Matthew Auld Link: https://patchwork.freedesktop.org/patch/msgid/20200406114821.10949-1-chris@chris-wilson.co.uk (cherry picked from commit 30c88a47f1abd5744908d3681f54dcf823fe2a12) Signed-off-by: Rodrigo Vivi Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) --- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c @@ -939,11 +939,13 @@ static inline struct i915_ggtt *cache_to static void reloc_gpu_flush(struct reloc_cache *cache) { - GEM_BUG_ON(cache->rq_size >= cache->rq->batch->obj->base.size / sizeof(u32)); + struct drm_i915_gem_object *obj = cache->rq->batch->obj; + + GEM_BUG_ON(cache->rq_size >= obj->base.size / sizeof(u32)); cache->rq_cmd[cache->rq_size] = MI_BATCH_BUFFER_END; - __i915_gem_object_flush_map(cache->rq->batch->obj, 0, cache->rq_size); - i915_gem_object_unpin_map(cache->rq->batch->obj); + __i915_gem_object_flush_map(obj, 0, sizeof(u32) * (cache->rq_size + 1)); + i915_gem_object_unpin_map(obj); intel_gt_chipset_flush(cache->rq->engine->gt);