From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Osipenko Subject: Re: [PATCH] gpu: host1x: Acquire a reference to the IOVA cache Date: Mon, 14 May 2018 13:34:27 +0300 Message-ID: References: <20180514101301.32188-1-thierry.reding@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20180514101301.32188-1-thierry.reding@gmail.com> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Thierry Reding Cc: linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org List-Id: linux-tegra@vger.kernel.org T24gMTQuMDUuMjAxOCAxMzoxMywgVGhpZXJyeSBSZWRpbmcgd3JvdGU6Cj4gRnJvbTogVGhpZXJy eSBSZWRpbmcgPHRyZWRpbmdAbnZpZGlhLmNvbT4KPiAKPiBUaGUgSU9WQSBBUEkgdXNlcyBhIG1l bW9yeSBjYWNoZSB0byBhbGxvY2F0ZSBJT1ZBIG5vZGVzIGZyb20uIFRvIG1ha2UKPiBzdXJlIHRo YXQgdGhpcyBjYWNoZSBpcyBhdmFpbGFibGUsIG9idGFpbiBhIHJlZmVyZW5jZSB0byBpdCBhbmQg cmVsZWFzZQo+IHRoZSByZWZlcmVuY2Ugd2hlbiB0aGUgY2FjaGUgaXMgbm8gbG9uZ2VyIG5lZWRl ZC4KPiAKPiBPbiA2NC1iaXQgQVJNIHRoaXMgaXMgaGlkZGVuIGJ5IHRoZSBmYWN0IHRoYXQgdGhl IERNQSBtYXBwaW5nIEFQSSBnZXRzCj4gdGhhdCByZWZlcmVuY2UgYW5kIG5ldmVyIHJlbGVhc2Vz IGl0LiBPbiAzMi1iaXQgQVJNLCB0aGlzIGlzIHBhcGVyZWQKPiBvdmVyIGJ5IHRoZSBUZWdyYSBE Uk0gZHJpdmVyICh0aGUgc29sZSB1c2VyIG9mIHRoZSBob3N0MXggQVBJIHJlcXVpcmluZwo+IHRo ZSBjYWNoZSkgYWNxdWlyaW5nIGEgcmVmZXJlbmNlIHRvIHRoZSBJT1ZBIGNhY2hlIGZvciBpdHMg b3duIHB1cnBvc2VzLgo+IEhvd2V2ZXIsIHRoZXJlIG1heSBiZSBhZGRpdGlvbmFsIHVzZXJzIG9m IHRoaXMgQVBJIGluIHRoZSBmdXR1cmUsIHNvIGZpeAo+IHRoaXMgdXBmcm9udCB0byBhdm9pZCBz dXJwcmlzZXMuCj4gCj4gRml4ZXM6IDQwNGJmYjc4ZGFmMyAoImdwdTogaG9zdDF4OiBBZGQgSU9N TVUgc3VwcG9ydCIpCj4gU2lnbmVkLW9mZi1ieTogVGhpZXJyeSBSZWRpbmcgPHRyZWRpbmdAbnZp ZGlhLmNvbT4KPiAtLS0KPiAgZHJpdmVycy9ncHUvaG9zdDF4L2Rldi5jIHwgMTEgKysrKysrKysr Ky0KPiAgMSBmaWxlIGNoYW5nZWQsIDEwIGluc2VydGlvbnMoKyksIDEgZGVsZXRpb24oLSkKPiAK PiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvaG9zdDF4L2Rldi5jIGIvZHJpdmVycy9ncHUvaG9z dDF4L2Rldi5jCj4gaW5kZXggMDNkYjcxMTczZjVkLi5mMWQ1Zjc2ZTljMzMgMTAwNjQ0Cj4gLS0t IGEvZHJpdmVycy9ncHUvaG9zdDF4L2Rldi5jCj4gKysrIGIvZHJpdmVycy9ncHUvaG9zdDF4L2Rl di5jCj4gQEAgLTIyMywxMCArMjIzLDE0IEBAIHN0YXRpYyBpbnQgaG9zdDF4X3Byb2JlKHN0cnVj dCBwbGF0Zm9ybV9kZXZpY2UgKnBkZXYpCj4gIAkJc3RydWN0IGlvbW11X2RvbWFpbl9nZW9tZXRy eSAqZ2VvbWV0cnk7Cj4gIAkJdW5zaWduZWQgbG9uZyBvcmRlcjsKPiAgCj4gKwkJZXJyID0gaW92 YV9jYWNoZV9nZXQoKTsKPiArCQlpZiAoZXJyIDwgMCkKPiArCQkJZ290byBwdXRfZ3JvdXA7Cj4g Kwo+ICAJCWhvc3QtPmRvbWFpbiA9IGlvbW11X2RvbWFpbl9hbGxvYygmcGxhdGZvcm1fYnVzX3R5 cGUpOwo+ICAJCWlmICghaG9zdC0+ZG9tYWluKSB7Cj4gIAkJCWVyciA9IC1FTk9NRU07Cj4gLQkJ CWdvdG8gcHV0X2dyb3VwOwo+ICsJCQlnb3RvIHB1dF9jYWNoZTsKPiAgCQl9Cj4gIAo+ICAJCWVy ciA9IGlvbW11X2F0dGFjaF9ncm91cChob3N0LT5kb21haW4sIGhvc3QtPmdyb3VwKTsKPiBAQCAt MjM0LDYgKzIzOCw3IEBAIHN0YXRpYyBpbnQgaG9zdDF4X3Byb2JlKHN0cnVjdCBwbGF0Zm9ybV9k ZXZpY2UgKnBkZXYpCj4gIAkJCWlmIChlcnIgPT0gLUVOT0RFVikgewo+ICAJCQkJaW9tbXVfZG9t YWluX2ZyZWUoaG9zdC0+ZG9tYWluKTsKPiAgCQkJCWhvc3QtPmRvbWFpbiA9IE5VTEw7Cj4gKwkJ CQlpb3ZhX2NhY2hlX3B1dCgpOwo+ICAJCQkJaW9tbXVfZ3JvdXBfcHV0KGhvc3QtPmdyb3VwKTsK PiAgCQkJCWhvc3QtPmdyb3VwID0gTlVMTDsKPiAgCQkJCWdvdG8gc2tpcF9pb21tdTsKPiBAQCAt MzA4LDYgKzMxMyw5IEBAIHN0YXRpYyBpbnQgaG9zdDF4X3Byb2JlKHN0cnVjdCBwbGF0Zm9ybV9k ZXZpY2UgKnBkZXYpCj4gIGZhaWxfZnJlZV9kb21haW46Cj4gIAlpZiAoaG9zdC0+ZG9tYWluKQo+ ICAJCWlvbW11X2RvbWFpbl9mcmVlKGhvc3QtPmRvbWFpbik7Cj4gK3B1dF9jYWNoZToKPiArCWlm IChob3N0LT5ncm91cCkKPiArCQlpb3ZhX2NhY2hlX3B1dCgpOwo+ICBwdXRfZ3JvdXA6Cj4gIAlp b21tdV9ncm91cF9wdXQoaG9zdC0+Z3JvdXApOwo+ICAKPiBAQCAtMzI4LDYgKzMzNiw3IEBAIHN0 YXRpYyBpbnQgaG9zdDF4X3JlbW92ZShzdHJ1Y3QgcGxhdGZvcm1fZGV2aWNlICpwZGV2KQo+ICAJ CXB1dF9pb3ZhX2RvbWFpbigmaG9zdC0+aW92YSk7Cj4gIAkJaW9tbXVfZGV0YWNoX2dyb3VwKGhv c3QtPmRvbWFpbiwgaG9zdC0+Z3JvdXApOwo+ICAJCWlvbW11X2RvbWFpbl9mcmVlKGhvc3QtPmRv bWFpbik7Cj4gKwkJaW92YV9jYWNoZV9wdXQoKTsKPiAgCQlpb21tdV9ncm91cF9wdXQoaG9zdC0+ Z3JvdXApOwo+ICAJfQo+ICAKPiAKClJldmlld2VkLWJ5OiBEbWl0cnkgT3NpcGVua28gPGRpZ2V0 eEBnbWFpbC5jb20+Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9y ZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZl bAo=