From patchwork Thu Jul 7 16:35:57 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Bob Beckett X-Patchwork-Id: 12909928 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 F25D1C43334 for ; Thu, 7 Jul 2022 16:36:59 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 95C2B1139EA; Thu, 7 Jul 2022 16:36:47 +0000 (UTC) Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5C426112205; Thu, 7 Jul 2022 16:36:45 +0000 (UTC) Received: from hermes-devbox.fritz.box (82-71-8-225.dsl.in-addr.zen.co.uk [82.71.8.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: bbeckett) by madras.collabora.co.uk (Postfix) with ESMTPSA id CDBE166019C2; Thu, 7 Jul 2022 17:36:43 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1657211804; bh=fPrXPZGZmc1m43xW5GU/UJEKX5XpJJEdaAwsrSiitrc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=chU0c4gFB/PJoSN6/3tjCscSQk7y4KNqzkZqkHl0PhHo9lngO6fOaCn6xYI9lbvV7 C6ZZglFArrbL4oFXIj1WjXQnD/YgOghZ/O/kY7LyS37thq7w7gycCaATZxOs/xzTFH 9o2cc0tF0x8vICkIVvbbXdjhLFL4vcYg4QV09sjkJTs/nNud95S6lGLGvvgbegpzjV aqFGQg7e3nl3dUFjUDMYT1m8I3j2wwLOjNVqVFqUxZBsOIj5TsJM1azPR4fglbDhlJ NGsEHMW8pcESiOBiRQ/4TRJi/YVQ9NBMjjDANMEZICfTapwtS/HngnLPoU56by/Rb+ dwZWZn/oHoMYw== From: Robert Beckett To: dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , David Airlie , Daniel Vetter Date: Thu, 7 Jul 2022 16:35:57 +0000 Message-Id: <20220707163606.1474111-3-bob.beckett@collabora.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220707163606.1474111-1-bob.beckett@collabora.com> References: <20220707163606.1474111-1-bob.beckett@collabora.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v9 02/11] drm/i915: limit ttm to dma32 for i965G[M] 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: =?utf-8?q?Thomas_Hellstr=C3=B6m?= , kernel@collabora.com, Matthew Auld , linux-kernel@vger.kernel.org Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" i965G[M] cannot relocate objects above 4GiB. Ensure ttm uses dma32 on these systems. Signed-off-by: Robert Beckett Reviewed-by: Thomas Hellström --- drivers/gpu/drm/i915/intel_region_ttm.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_region_ttm.c b/drivers/gpu/drm/i915/intel_region_ttm.c index 62ff77445b01..fd2ecfdd8fa1 100644 --- a/drivers/gpu/drm/i915/intel_region_ttm.c +++ b/drivers/gpu/drm/i915/intel_region_ttm.c @@ -32,10 +32,15 @@ int intel_region_ttm_device_init(struct drm_i915_private *dev_priv) { struct drm_device *drm = &dev_priv->drm; + bool use_dma32 = false; + + /* i965g[m] cannot relocate objects above 4GiB. */ + if (IS_I965GM(dev_priv) || IS_I965G(dev_priv)) + use_dma32 = true; return ttm_device_init(&dev_priv->bdev, i915_ttm_driver(), drm->dev, drm->anon_inode->i_mapping, - drm->vma_offset_manager, false, false); + drm->vma_offset_manager, false, use_dma32); } /**