From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joonas Lahtinen Subject: Re: [PATCH] drm/i915: Remove temporary allocation of dma addresses when rotating Date: Tue, 21 Feb 2017 17:01:21 +0200 Message-ID: <1487689281.3137.23.camel@linux.intel.com> References: <20170217151008.29657-1-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 84AF989D4A for ; Tue, 21 Feb 2017 15:01:50 +0000 (UTC) In-Reply-To: <20170217151008.29657-1-chris@chris-wilson.co.uk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gcGUsIDIwMTctMDItMTcgYXQgMTU6MTAgKzAwMDAsIENocmlzIFdpbHNvbiB3cm90ZToKPiBU aGUgb2JqZWN0IGFscmVhZHkgc3RvcmVzIChjb21wdXRlZCBvbiB0aGUgZmx5KSB0aGUgaW5kZXgg dG8gZG1hIGFkZHJlc3MKPiBzbyB1c2UgaXQgaW5zdGVhZCBvZiByZWFsbG9jYXRpbmcgYSBsYXJn ZSB0ZW1wb3JhcnkgYXJyYXkgZXZlcnkgdGltZSB3ZQo+IGJpbmQgYSByb3RhdGVkIGZyYW1lYnVm ZmVyLgo+IAo+IFNpZ25lZC1vZmYtYnk6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29u LmNvLnVrPgo+IENjOiBNYXR0aGV3IEF1bGQgPG1hdHRoZXcud2lsbGlhbS5hdWxkQGdtYWlsLmNv bT4KPiBDYzogSm9vbmFzIExhaHRpbmVuIDxqb29uYXMubGFodGluZW5AbGludXguaW50ZWwuY29t Pgo+IENjOiBUdnJ0a28gVXJzdWxpbiA8dHZydGtvLnVyc3VsaW5AaW50ZWwuY29tPgoKPFNOSVA+ Cgo+ICtyb3RhdGVfcGFnZXMoc3RydWN0IGRybV9pOTE1X2dlbV9vYmplY3QgKm9iaiwKPiArCcKg wqDCoMKgwqBjb25zdCBzdHJ1Y3QgaW50ZWxfcm90YXRpb25fcGxhbmVfaW5mbyAqcCwKPiDCoAnC oMKgwqDCoMKgc3RydWN0IHNnX3RhYmxlICpzdCwgc3RydWN0IHNjYXR0ZXJsaXN0ICpzZykKPiDC oHsKPiDCoAl1bnNpZ25lZCBpbnQgY29sdW1uLCByb3c7Cj4gLQl1bnNpZ25lZCBpbnQgc3JjX2lk eDsKPiDCoAo+IC0JZm9yIChjb2x1bW4gPSAwOyBjb2x1bW4gPCB3aWR0aDsgY29sdW1uKyspIHsK PiAtCQlzcmNfaWR4ID0gc3RyaWRlICogKGhlaWdodCAtIDEpICsgY29sdW1uOwo+IC0JCWZvciAo cm93ID0gMDsgcm93IDwgaGVpZ2h0OyByb3crKykgewo+IC0JCQlzdC0+bmVudHMrKzsKPiArCWZv ciAoY29sdW1uID0gMDsgY29sdW1uIDwgcC0+d2lkdGg7IGNvbHVtbisrKSB7Cj4gKwkJdW5zaWdu ZWQgbG9uZyBzcmNfaWR4ID0KPiArCQkJcC0+c3RyaWRlICogKHAtPmhlaWdodCAtIDEpICsgY29s dW1uICsgcC0+b2Zmc2V0Owo+ICsJCWZvciAocm93ID0gMDsgcm93IDwgcC0+aGVpZ2h0OyByb3cr Kykgewo+ICsJCQlzdHJ1Y3Qgc2NhdHRlcmxpc3QgKnNyYzsKPiArCQkJdW5zaWduZWQgaW50IG47 Cj4gKwo+ICsJCQlzcmMgPSBpOTE1X2dlbV9vYmplY3RfZ2V0X3NnKG9iaiwgc3JjX2lkeCwgJm4p OwoKaTkxNV9nZW1fb2JqZWN0X2dldF9zZyBoYXMgdmFyaWFibGUgbmFtZXMgb2JqLCBuLCAqb2Zm c2V0LCBzbyBJJ2QgYmUKbGl0dGxlIGNvbmNlcm5lZCBvZiBzaWRldHJhY2tpbmcgcmVhZGVyLiBS ZW5hbWUgbiBpbnRvIG9mZnNldD8KCj4gKwkJCXNyY19pZHggLT0gcC0+c3RyaWRlOwo+ICsKPiDC oAkJCS8qIFdlIGRvbid0IG5lZWQgdGhlIHBhZ2VzLCBidXQgbmVlZCB0byBpbml0aWFsaXplCj4g wqAJCQnCoCogdGhlIGVudHJpZXMgc28gdGhlIHNnIGxpc3QgY2FuIGJlIGhhcHBpbHkgdHJhdmVy c2VkLgo+IMKgCQkJwqAqIFRoZSBvbmx5IHRoaW5nIHdlIG5lZWQgYXJlIERNQSBhZGRyZXNzZXMu Cj4gwqAJCQnCoCovCj4gwqAJCQlzZ19zZXRfcGFnZShzZywgTlVMTCwgUEFHRV9TSVpFLCAwKTsK PiAtCQkJc2dfZG1hX2FkZHJlc3Moc2cpID0gaW5bb2Zmc2V0ICsgc3JjX2lkeF07Cj4gKwkJCXNn X2RtYV9hZGRyZXNzKHNnKSA9IHNnX2RtYV9hZGRyZXNzKHNyYykgKyBuKlBBR0VfU0laRTsKPiDC oAkJCXNnX2RtYV9sZW4oc2cpID0gUEFHRV9TSVpFOwo+IC0JCQlzZyA9IHNnX25leHQoc2cpOwo+ IC0JCQlzcmNfaWR4IC09IHN0cmlkZTsKCkknbSBub3Qgc3VyZSB3aHkgbW92aW5nIHRoaXMgbGlu ZSwgbWlnaHQgYXMgd2VsbCBob2lzdCBhbGwgdGhlc2UgdG8gdGhlCmZvcigpIGxpbmUuCgo+ICsJ CQlzZyA9IF9fc2dfbmV4dChzZyk7Cj4gKwo+ICsJCQlzdC0+bmVudHMrKzsKPiDCoAkJfQo+IMKg CX0KPiDCoAo+IEBAIC0zMDc0LDYyICszMDc5LDMwIEBAIHN0YXRpYyBub2lubGluZSBzdHJ1Y3Qg c2dfdGFibGUgKgo+IMKgaW50ZWxfcm90YXRlX3BhZ2VzKHN0cnVjdCBpbnRlbF9yb3RhdGlvbl9p bmZvICpyb3RfaW5mbywKPiDCoAkJwqDCoMKgc3RydWN0IGRybV9pOTE1X2dlbV9vYmplY3QgKm9i aikKPiDCoHsKPiAtCWNvbnN0IHVuc2lnbmVkIGxvbmcgbl9wYWdlcyA9IG9iai0+YmFzZS5zaXpl IC8gUEFHRV9TSVpFOwo+IC0JdW5zaWduZWQgaW50IHNpemUgPSBpbnRlbF9yb3RhdGlvbl9pbmZv X3NpemUocm90X2luZm8pOwo+IC0Jc3RydWN0IHNndF9pdGVyIHNndF9pdGVyOwo+IC0JZG1hX2Fk ZHJfdCBkbWFfYWRkcjsKPiAtCXVuc2lnbmVkIGxvbmcgaTsKPiAtCWRtYV9hZGRyX3QgKnBhZ2Vf YWRkcl9saXN0Owo+IC0Jc3RydWN0IHNnX3RhYmxlICpzdDsKPiArCWNvbnN0IHVuc2lnbmVkIGlu dCBzaXplID0gaW50ZWxfcm90YXRpb25faW5mb19zaXplKHJvdF9pbmZvKTsKClRoaXMgaXMgb25s eSB1c2VkIG9uY2UsIGp1c3QgaW5saW5lIGl0LgoKUmV2aWV3ZWQtYnk6IEpvb25hcyBMYWh0aW5l biA8am9vbmFzLmxhaHRpbmVuQGxpbnV4LmludGVsLmNvbT4KCkNvdWxkIHVzZSBhbiBBLWIgZnJv bSBUdnJ0a28uCgpSZWdhcmRzLCBKb29uYXMKLS0gCkpvb25hcyBMYWh0aW5lbgpPcGVuIFNvdXJj ZSBUZWNobm9sb2d5IENlbnRlcgpJbnRlbCBDb3Jwb3JhdGlvbgpfX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVs LWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcv bWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK