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Signed-off-by: Christian König --- drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c index aef12ee2f1e3..bbf67800c8a6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c @@ -38,6 +38,7 @@ #include #include #include +#include /** * amdgpu_gem_prime_vmap - &dma_buf_ops.vmap implementation @@ -179,6 +180,9 @@ static int amdgpu_dma_buf_attach(struct dma_buf *dmabuf, struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev); int r; + if (pci_p2pdma_distance_many(adev->pdev, &attach->dev, 1, true) < 0) + attach->peer2peer = false; + if (attach->dev->driver == adev->dev->driver) return 0; -- 2.17.1 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=-9.5 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 74FD3C18E5A for ; 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Wed, 11 Mar 2020 06:52:05 -0700 (PDT) Received: from abel.fritz.box ([2a02:908:1252:fb60:8dc:e796:e7da:a319]) by smtp.gmail.com with ESMTPSA id 138sm3183811wmb.21.2020.03.11.06.52.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Mar 2020 06:52:04 -0700 (PDT) From: "=?UTF-8?q?Christian=20K=C3=B6nig?=" X-Google-Original-From: =?UTF-8?q?Christian=20K=C3=B6nig?= To: David1.Zhou@amd.com, hch@infradead.org, jgg@ziepe.ca, daniel@ffwll.ch, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, linux-media@vger.kernel.org, intel-gfx@lists.freedesktop.org Date: Wed, 11 Mar 2020 14:51:56 +0100 Message-Id: <20200311135158.3310-5-christian.koenig@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200311135158.3310-1-christian.koenig@amd.com> References: <20200311135158.3310-1-christian.koenig@amd.com> MIME-Version: 1.0 X-Mailman-Approved-At: Wed, 11 Mar 2020 15:04:30 +0000 Subject: [Intel-gfx] [PATCH 4/6] drm/amdgpu: add checks if DMA-buf P2P is supported 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: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Q2hlY2sgaWYgd2UgY2FuIGRvIHBlZXIycGVlciBvbiB0aGUgUENJZSBidXMuCgpTaWduZWQtb2Zm LWJ5OiBDaHJpc3RpYW4gS8O2bmlnIDxjaHJpc3RpYW4ua29lbmlnQGFtZC5jb20+Ci0tLQogZHJp dmVycy9ncHUvZHJtL2FtZC9hbWRncHUvYW1kZ3B1X2RtYV9idWYuYyB8IDQgKysrKwogMSBmaWxl IGNoYW5nZWQsIDQgaW5zZXJ0aW9ucygrKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9h bWQvYW1kZ3B1L2FtZGdwdV9kbWFfYnVmLmMgYi9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9h bWRncHVfZG1hX2J1Zi5jCmluZGV4IGFlZjEyZWUyZjFlMy4uYmJmNjc4MDBjOGE2IDEwMDY0NAot LS0gYS9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfZG1hX2J1Zi5jCisrKyBiL2Ry aXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV9kbWFfYnVmLmMKQEAgLTM4LDYgKzM4LDcg QEAKICNpbmNsdWRlIDxkcm0vYW1kZ3B1X2RybS5oPgogI2luY2x1ZGUgPGxpbnV4L2RtYS1idWYu aD4KICNpbmNsdWRlIDxsaW51eC9kbWEtZmVuY2UtYXJyYXkuaD4KKyNpbmNsdWRlIDxsaW51eC9w Y2ktcDJwZG1hLmg+CiAKIC8qKgogICogYW1kZ3B1X2dlbV9wcmltZV92bWFwIC0gJmRtYV9idWZf b3BzLnZtYXAgaW1wbGVtZW50YXRpb24KQEAgLTE3OSw2ICsxODAsOSBAQCBzdGF0aWMgaW50IGFt ZGdwdV9kbWFfYnVmX2F0dGFjaChzdHJ1Y3QgZG1hX2J1ZiAqZG1hYnVmLAogCXN0cnVjdCBhbWRn cHVfZGV2aWNlICphZGV2ID0gYW1kZ3B1X3R0bV9hZGV2KGJvLT50Ym8uYmRldik7CiAJaW50IHI7 CiAKKwlpZiAocGNpX3AycGRtYV9kaXN0YW5jZV9tYW55KGFkZXYtPnBkZXYsICZhdHRhY2gtPmRl diwgMSwgdHJ1ZSkgPCAwKQorCQlhdHRhY2gtPnBlZXIycGVlciA9IGZhbHNlOworCiAJaWYgKGF0 dGFjaC0+ZGV2LT5kcml2ZXIgPT0gYWRldi0+ZGV2LT5kcml2ZXIpCiAJCXJldHVybiAwOwogCi0t IAoyLjE3LjEKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f CkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpo dHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=