From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH 2/5] drm/prime: make the pages array optional for drm_prime_sg_to_page_addr_arrays Date: Tue, 6 Mar 2018 10:21:02 +0100 Message-ID: <20180306092102.GM22212@phenom.ffwll.local> References: <20180227115000.4105-1-christian.koenig@amd.com> <20180227115000.4105-2-christian.koenig@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-wm0-x241.google.com (mail-wm0-x241.google.com [IPv6:2a00:1450:400c:c09::241]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6A5E18987A for ; Tue, 6 Mar 2018 09:21:06 +0000 (UTC) Received: by mail-wm0-x241.google.com with SMTP id s206so17033728wme.0 for ; Tue, 06 Mar 2018 01:21:06 -0800 (PST) Content-Disposition: inline In-Reply-To: <20180227115000.4105-2-christian.koenig@amd.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Christian =?iso-8859-1?Q?K=F6nig?= Cc: amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org T24gVHVlLCBGZWIgMjcsIDIwMTggYXQgMTI6NDk6NTdQTSArMDEwMCwgQ2hyaXN0aWFuIEvDtm5p ZyB3cm90ZToKPiBNb3N0IG9mIHRoZSB0aW1lIHdlIG9ubHkgbmVlZCB0aGUgZG1hIGFkZHJlc3Nl cy4KPiAKPiBTaWduZWQtb2ZmLWJ5OiBDaHJpc3RpYW4gS8O2bmlnIDxjaHJpc3RpYW4ua29lbmln QGFtZC5jb20+Cj4gLS0tCj4gIGRyaXZlcnMvZ3B1L2RybS9kcm1fcHJpbWUuYyB8IDIwICsrKysr KysrKystLS0tLS0tLS0tCj4gIDEgZmlsZSBjaGFuZ2VkLCAxMCBpbnNlcnRpb25zKCspLCAxMCBk ZWxldGlvbnMoLSkKPiAKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2RybV9wcmltZS5j IGIvZHJpdmVycy9ncHUvZHJtL2RybV9wcmltZS5jCj4gaW5kZXggYzM4ZGFjZGE2MTE5Li43ODU2 YTliM2Y4YTggMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2RybV9wcmltZS5jCj4gKysr IGIvZHJpdmVycy9ncHUvZHJtL2RybV9wcmltZS5jCj4gQEAgLTkyMiw0MCArOTIyLDQwIEBAIEVY UE9SVF9TWU1CT0woZHJtX3ByaW1lX3BhZ2VzX3RvX3NnKTsKPiAgLyoqCj4gICAqIGRybV9wcmlt ZV9zZ190b19wYWdlX2FkZHJfYXJyYXlzIC0gY29udmVydCBhbiBzZyB0YWJsZSBpbnRvIGEgcGFn ZSBhcnJheQo+ICAgKiBAc2d0OiBzY2F0dGVyLWdhdGhlciB0YWJsZSB0byBjb252ZXJ0Cj4gLSAq IEBwYWdlczogYXJyYXkgb2YgcGFnZSBwb2ludGVycyB0byBzdG9yZSB0aGUgcGFnZSBhcnJheSBp bgo+ICsgKiBAcGFnZXM6IG9wdGlvbmFsIGFycmF5IG9mIHBhZ2UgcG9pbnRlcnMgdG8gc3RvcmUg dGhlIHBhZ2UgYXJyYXkgaW4KPiAgICogQGFkZHJzOiBvcHRpb25hbCBhcnJheSB0byBzdG9yZSB0 aGUgZG1hIGJ1cyBhZGRyZXNzIG9mIGVhY2ggcGFnZQo+IC0gKiBAbWF4X3BhZ2VzOiBzaXplIG9m IGJvdGggdGhlIHBhc3NlZC1pbiBhcnJheXMKPiArICogQG1heF9lbnRyaWVzOiBzaXplIG9mIGJv dGggdGhlIHBhc3NlZC1pbiBhcnJheXMKPiAgICoKPiAgICogRXhwb3J0cyBhbiBzZyB0YWJsZSBp bnRvIGFuIGFycmF5IG9mIHBhZ2VzIGFuZCBhZGRyZXNzZXMuIFRoaXMgaXMgY3VycmVudGx5Cj4g ICAqIHJlcXVpcmVkIGJ5IHRoZSBUVE0gZHJpdmVyIGluIG9yZGVyIHRvIGRvIGNvcnJlY3QgZmF1 bHQgaGFuZGxpbmcuCj4gICAqLwoKQ2FuJ3Qgd2UganVzdCB0ZWFjaCB0dG0gdG8gdXNlIHNndHMg d2hlcmV2ZXIgbmVlZGVkLCBhbmQgZGVwcmVjYXRlCmV4cG9ydGluZyBkbWEtYnVmcyB0byBwYWdl IGFycmF5cyAod2hpY2ggcmVhbGx5IGJyZWFrcyB0aGUgYWJzdHJhY3Rpb24KZW50aXJlbHkgYW5k IHdhcyBqdXN0IGEgcXVpY2sgaGFjayB0byBnZXQgdGhpbmdzIGdvaW5nIHRoYXQgc3R1Y2sgYXJv dW5kCmZvciB5ZWFycykuIExhc3QgdGltZSBJIGxvb2tlZCBpbnRvIHR0bSB0aGUgb25seSB0aGlu ZyBpdCBkaWQgaXMgY29udmVydAppdCBiYWNrIHRvIHNndHMgYWdhaW4gKGFmdGVyIGNhbGxpbmcg ZG1hX21hcCBvbmNlIG1vcmUsIHdoaWNoIHRoZSBleHBvcnRlcgpzaG91bGQgaGF2ZSBkb25lIGFs cmVhZHkgZm9yIHlvdSkuCi1EYW5pZWwKCj4gIGludCBkcm1fcHJpbWVfc2dfdG9fcGFnZV9hZGRy X2FycmF5cyhzdHJ1Y3Qgc2dfdGFibGUgKnNndCwgc3RydWN0IHBhZ2UgKipwYWdlcywKPiAtCQkJ CSAgICAgZG1hX2FkZHJfdCAqYWRkcnMsIGludCBtYXhfcGFnZXMpCj4gKwkJCQkgICAgIGRtYV9h ZGRyX3QgKmFkZHJzLCBpbnQgbWF4X2VudHJpZXMpCj4gIHsKPiAgCXVuc2lnbmVkIGNvdW50Owo+ ICAJc3RydWN0IHNjYXR0ZXJsaXN0ICpzZzsKPiAgCXN0cnVjdCBwYWdlICpwYWdlOwo+IC0JdTMy IGxlbjsKPiAtCWludCBwZ19pbmRleDsKPiArCXUzMiBsZW4sIGluZGV4Owo+ICAJZG1hX2FkZHJf dCBhZGRyOwo+ICAKPiAtCXBnX2luZGV4ID0gMDsKPiArCWluZGV4ID0gMDsKPiAgCWZvcl9lYWNo X3NnKHNndC0+c2dsLCBzZywgc2d0LT5uZW50cywgY291bnQpIHsKPiAgCQlsZW4gPSBzZy0+bGVu Z3RoOwo+ICAJCXBhZ2UgPSBzZ19wYWdlKHNnKTsKPiAgCQlhZGRyID0gc2dfZG1hX2FkZHJlc3Mo c2cpOwo+ICAKPiAgCQl3aGlsZSAobGVuID4gMCkgewo+IC0JCQlpZiAoV0FSTl9PTihwZ19pbmRl eCA+PSBtYXhfcGFnZXMpKQo+ICsJCQlpZiAoV0FSTl9PTihpbmRleCA+PSBtYXhfZW50cmllcykp Cj4gIAkJCQlyZXR1cm4gLTE7Cj4gLQkJCXBhZ2VzW3BnX2luZGV4XSA9IHBhZ2U7Cj4gKwkJCWlm IChwYWdlcykKPiArCQkJCXBhZ2VzW2luZGV4XSA9IHBhZ2U7Cj4gIAkJCWlmIChhZGRycykKPiAt CQkJCWFkZHJzW3BnX2luZGV4XSA9IGFkZHI7Cj4gKwkJCQlhZGRyc1tpbmRleF0gPSBhZGRyOwo+ ICAKPiAgCQkJcGFnZSsrOwo+ICAJCQlhZGRyICs9IFBBR0VfU0laRTsKPiAgCQkJbGVuIC09IFBB R0VfU0laRTsKPiAtCQkJcGdfaW5kZXgrKzsKPiArCQkJaW5kZXgrKzsKPiAgCQl9Cj4gIAl9Cj4g IAlyZXR1cm4gMDsKPiAtLSAKPiAyLjE0LjEKPiAKPiBfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwo+IGRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKPiBkcmktZGV2 ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCj4gaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcv bWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwKCi0tIApEYW5pZWwgVmV0dGVyClNvZnR3YXJlIEVu Z2luZWVyLCBJbnRlbCBDb3Jwb3JhdGlvbgpodHRwOi8vYmxvZy5mZndsbC5jaApfX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBs aXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVz a3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwK