From patchwork Tue Jun 1 08:28:47 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Zbigniew_Kempczy=C5=84ski?= X-Patchwork-Id: 12290707 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 C5565C47080 for ; Tue, 1 Jun 2021 08:30:54 +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 92F4861003 for ; Tue, 1 Jun 2021 08:30:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 92F4861003 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1D90E6E949; Tue, 1 Jun 2021 08:30:54 +0000 (UTC) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7EAB26E8B9; Tue, 1 Jun 2021 08:30:52 +0000 (UTC) IronPort-SDR: BSbMcSrUqwupaYxiirTHv45+PoE3U4vNCyiD+bOx46lIOVp5B7g8kwP79flY6A782pgYIwmF8d mmrgPQNtlWHQ== X-IronPort-AV: E=McAfee;i="6200,9189,10001"; a="267378627" X-IronPort-AV: E=Sophos;i="5.83,239,1616482800"; d="scan'208";a="267378627" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Jun 2021 01:30:51 -0700 IronPort-SDR: 6Ph7GmRJ2lz+nk4+urpSuBL4Tsb9o5ORM624pFmKqDLoq8O/JxC096WVbmMOZ2sKQjDp9hlp+s P1xmzua+BF0g== X-IronPort-AV: E=Sophos;i="5.83,239,1616482800"; d="scan'208";a="479190756" Received: from slockwoo-mobl.ger.corp.intel.com (HELO zkempczy-mobl2.ger.corp.intel.com) ([10.213.8.163]) by orsmga001-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Jun 2021 01:30:49 -0700 From: =?utf-8?q?Zbigniew_Kempczy=C5=84ski?= To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Date: Tue, 1 Jun 2021 10:28:47 +0200 Message-Id: <20210601082847.78389-1-zbigniew.kempczynski@intel.com> X-Mailer: git-send-email 2.26.0 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH] drm/i915: Add relocation exceptions for two other platforms 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: Dave Airlie , Daniel Vetter Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" We have established previously we stop using relocations starting from gen12 platforms with Tigerlake as an exception. We keep this statement but we want to enable relocations conditionally for Rocketlake and Alderlake under require_force_probe flag set. Keeping relocations under require_force_probe flag is interim solution until IGTs will be rewritten to use softpin. Signed-off-by: Zbigniew Kempczyński Cc: Dave Airlie Cc: Daniel Vetter Cc: Jason Ekstrand --- .../gpu/drm/i915/gem/i915_gem_execbuffer.c | 26 +++++++++++++++---- 1 file changed, 21 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c index 297143511f99..c0562dd14837 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c @@ -491,16 +491,32 @@ eb_unreserve_vma(struct eb_vma *ev) ev->flags &= ~__EXEC_OBJECT_RESERVED; } +static inline bool +platform_has_relocs_enabled(const struct i915_execbuffer *eb) +{ + /* + * Relocations are disallowed starting from gen12 with Tigerlake + * as an exception. We allow temporarily use relocations for Rocketlake + * and Alderlake when require_force_probe flag is set. + */ + + if (INTEL_GEN(eb->i915) < 12 || IS_TIGERLAKE(eb->i915)) + return true; + + if (INTEL_INFO(eb->i915)->require_force_probe && + (IS_ROCKETLAKE(eb->i915) || IS_ALDERLAKE_S(eb->i915) || + IS_ALDERLAKE_P(eb->i915))) + return true; + + return false; +} + static int eb_validate_vma(struct i915_execbuffer *eb, struct drm_i915_gem_exec_object2 *entry, struct i915_vma *vma) { - /* Relocations are disallowed for all platforms after TGL-LP. This - * also covers all platforms with local memory. - */ - if (entry->relocation_count && - INTEL_GEN(eb->i915) >= 12 && !IS_TIGERLAKE(eb->i915)) + if (entry->relocation_count && !platform_has_relocs_enabled(eb)) return -EINVAL; if (unlikely(entry->flags & eb->invalid_flags))