From patchwork Tue Aug 2 16:51:50 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Adri=C3=A1n_Larumbe?= X-Patchwork-Id: 12934910 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 DDECCC00140 for ; Tue, 2 Aug 2022 16:52:41 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 82D1491CEB; Tue, 2 Aug 2022 16:52:22 +0000 (UTC) Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by gabe.freedesktop.org (Postfix) with ESMTPS id B2E3291D87 for ; Tue, 2 Aug 2022 16:52:06 +0000 (UTC) Received: from localhost.localdomain (unknown [IPv6:2a02:8010:65b5:0:bbb0:f8ec:7bc9:dbe4]) (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: alarumbe) by madras.collabora.co.uk (Postfix) with ESMTPSA id 9A5596601BC9; Tue, 2 Aug 2022 17:52:04 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1659459124; bh=viHurVi1TF7KNirHlTXiseAQ6ulwmbm1LNIhC1eU+8U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cbkGmcl7F3lYxaKdZ0Q5OMq7++Ec6CKa4XuomoJ9QuDTBXWlLWjKxd6S9xZb6kvQz LnmLIm+RukjrjzX5XWmuJO7L05qlCG/KQbM8tcq72+WQ7GTzfNcMdJYsC4DLF8sPQ3 l1uHfYYBU0uCQerzS6Ou73gl/bOalicSi/4Cx7mKHRmP0gzpDTJmO2eQypD7h8LZgt od/lLDiVNh9EjVGPeCL8LmvboaoGd91ovmmYDApQjLKj+EgtPFPSDSmU1A9/D7H8Cp oVpfnC9NjY0ncVCj2W7ojuk/ugg2C/1koj7pqtba/tpjP5s6stGsQJVSSimfp4PRAp sQuBJLc5QTCqQ== From: Adrian Larumbe To: daniel@ffwll.ch, thomas.hellstrom@linux.intel.com, intel-gfx@lists.freedesktop.org Date: Tue, 2 Aug 2022 17:51:50 +0100 Message-Id: <20220802165155.165576-3-adrian.larumbe@collabora.com> X-Mailer: git-send-email 2.37.0 In-Reply-To: <20220802165155.165576-1-adrian.larumbe@collabora.com> References: <20220802165155.165576-1-adrian.larumbe@collabora.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 2/7] 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: adrian.larumbe@collabora.com Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Robert Beckett 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 575d67bc6ffe..88b525f9bb2d 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); } /**