From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tvrtko Ursulin Subject: Re: [PATCH] drm/i915: Remove temporary allocation of dma addresses when rotating Date: Mon, 27 Feb 2017 10:14:12 +0000 Message-ID: References: <20170217151008.29657-1-chris@chris-wilson.co.uk> <1487689281.3137.23.camel@linux.intel.com> <20170222084417.GE10557@nuc-i3427.alporthouse.com> <54ae3e3a-61f7-0471-d44a-bf4c78f23a32@linux.intel.com> <20170227100613.GF13095@nuc-i3427.alporthouse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id 297306E34C for ; Mon, 27 Feb 2017 10:14:19 +0000 (UTC) In-Reply-To: <20170227100613.GF13095@nuc-i3427.alporthouse.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson , Joonas Lahtinen , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org Ck9uIDI3LzAyLzIwMTcgMTA6MDYsIENocmlzIFdpbHNvbiB3cm90ZToKPiBPbiBNb24sIEZlYiAy NywgMjAxNyBhdCAwOTo1NToxMEFNICswMDAwLCBUdnJ0a28gVXJzdWxpbiB3cm90ZToKPj4KPj4g T24gMjIvMDIvMjAxNyAwODo0NCwgQ2hyaXMgV2lsc29uIHdyb3RlOgo+Pj4gSSBhbHNvIHRoaW5r IHRoYXQncyBhbiBhcmd1bWVudCBmb3IgaW1wcm92aW5nIHRoZSBnZW5lcmFsIGNhY2hlIHJhdGhl cgo+Pj4gdGhhbiBhcmd1aW5nIGFnYWluc3QgdXNpbmcgaXQuCj4+Cj4+IFdlbGwgSSB3YXNuJ3Qg Y29uY2VybmVkIGFib3V0IHRoZSBjYWNoZSBwZXIgc2UsIGJ1dCBhYm91dCB3aGV0aGVyIGl0Cj4+ IGlzIGNvbXBsZXRlbHkgYXBwcm9wcmlhdGUgKGJlc3QgY2hvaWNlKSB0byB1c2UgaXQgaW4gdGhp cyBwYXJ0aWN1bGFyCj4+IGNhc2UuCj4+Cj4+IEJlY2F1c2UgYXMgSSBzYWlkIGJlZm9yZSwgZm9y IDE5MjB4MTA4MHgzMiB3ZSBhcmUgdGFsa2luZyBhYm91dCBhCj4+IDE2S2lCIGV4dHJlbWVseSBz aG9ydCBsaXZlZCB0ZW1wb3JhcnkgYWxsb2NhdGlvbiwgdnMgdGhlIHNpbWlsYXIKPj4gc2l6ZSBm b3IgdGhlIHNnIHJhZGl4IGNhY2hlLiBCdXQgcmFkaXggY2FjaGUgc3RpY2tzIGFyb3VuZCB0aGUg dGhlCj4+IGxpZmV0aW1lIG9mIG9iai0+bW0ucGFnZXMgYW5kIGl0IHdvdWxkbid0IG90aGVyd2lz ZSBiZSB0aGVyZSBzaW5jZQo+PiBBRkFJQ1MgaW4gcHJhY3RpY2Ugbm8gb25lIHJlYWxseSB0b3Vj aGVzIGZyYW1lIGJ1ZmZlcnMgaW4gYSB3YXkgdG8KPj4gdHJpZ2dlciBpdHMgY3JlYXRpb24uCj4+ Cj4+IFRob3NlIGFtb3VudHMgb2YgbWVtb3J5IGFyZSBub3QgYSBjb25jZXJuLCBidXQgYWdhaW4s IGlzIHRoZQo+PiBzaW1wbGlmaWNhdGlvbiBvZiB0aGUgY29kZSB3b3J0aCB0aGUgY29uY2VwdHVh bCBkb3duc2lkZXMgbWVudGlvbmVkCj4+IGFib3ZlPyBFdmVuIGlmIHdlIGNvbnNpZGVyZWQgNEsg ZnJhbWUgYnVmZmVycywgd2hlbiBib3RoIGFsbG9jYXRpb25zCj4+IGdvIHRvIH42NEtpQiwgd291 bGQgdGhhdCBjaGFuZ2UgYW55dGhpbmc/IEkgYW0gbm90IHN1cmUsIHByb2JhYmx5Cj4+IG5vdCBm b3IgbWUuCj4+Cj4+IFNvIEkgYW0gc3RpbGwgdW5zdXJlIHRoYXQgd2Ugc2hvdWxkIGdvIHdpdGgg dGhpcyBjaGFuZ2UuCj4KPiBBZ2FpbiwgdGhlIGNvbXBsYWludCB5b3UgaGF2ZSBoZXJlIGFyZSBn ZW5lcmFsIGNvbmNlcm5zIGFib3V0IGNhY2hpbmcKPiB0aGUgbWFwcGluZy4gQXZvaWRpbmcgdXNp bmcgdGhlIGNhY2hlIGluc3RlYWQgb2YgaW1wcm92aW5nIHRoZSBjYWNoZQo+IHNlZW1zIHRoZSB3 cm9uZyBhcHByb2FjaC4KCkRlcGVuZHMgd2hhdCBraW5kIG9mIGltcHJvdm1lbnRzIHRvIHRoZSBj YWNoZSB5b3UgaGF2ZSBpbiBtaW5kLiBJZiB5b3UgCmFyZSB0aGlua2luZyBhYm91dCBzaXplIHRo ZW4gSSBkaXNhZ3JlZSwgSSB0aGluayBpdCBpcyBlZmZpY2llbnQgZW5vdWdoIAphbHJlYWR5LiBC dXQgaWYgeW91IGFyZSB0aGlua2luZyBhYm91dCB0aGUgbGlmZXRpbWUgbWFuYWdlbWVudCB0aGVu IGl0IAppcyBvYnZpb3VzIGZyb20gYWxsIHRoYXQgSSBoYXZlIHdyaXR0ZW4gc28gZmFyIHRoYXQg SSB3b3VsZCBhZ3JlZSB3aXRoIAp0aGF0LiBTaW5jZSB0aGUgY29yZSBvZiBteSAiY29tcGxhaW50 IiBpcyB0aGUgbGlmZXRpbWUgbWlzbWF0Y2gsIGFuZCBub3QgCnRoZSBzaXplLgoKRm9yIGxpZmV0 aW1lIEkgYW0gbm90IHN1cmUgd2hhdCB5b3UgY291bGQgZG8uIEV4cG9zaW5nIHRoZSBzaXplIG9m IGl0LCAKd2l0aCBtYXliZSBzb21lIG90aGVyIGJpdHMgYXR0YWNoZWQgdGhlIHRoZSBvYmplY3Qs IHRvIHRoZSBzaHJpbmtlciBJIAp0aGluayBkb2Vzbid0IG1ha2UgbXVjaCBzZW5zZSBzaW5jZSB0 aGUgc2l6ZXMgYXJlIHNvIHNtYWxsIGNvbXBhcmVkIHRvIAp0aGUgYmFja2luZyBzdG9yZSBzaXpl cy4KClBlcmhhcHMgeW91IGNvdWxkIGFkZCBhbiBleHBsaWNpdCByZXNldCBvZiB0aGUgY2FjaGUg YWZ0ZXIgdGhlIHJvdGF0aW9uIAppcyBkb25lIHdpdGggaXQsIGJ1dCB0aGVuIHRoZSBvbmx5IHJl bWFpbmluZyBiZW5lZml0IHdpbGwgYmUgYXZvaWRpbmcgCmdyZWF0ZXIgdGhhbiB6ZXJvIG9yZGVy IGFsbG9jYXRpb25zLiBJIHNheSB0aGUgb25seSBvbmUuLiBpdCB3b3VsZCBzdGlsbCAKYmUgYSBn b29kIG9uZS4gSnVzdCBoYXZlIG5vIGlkZWEgaWYgdGhpcyBsZXZlbCBvZiBjYWNoZSB1c2FnZSB3 b3VsZCAKc2F0aXNmeSB5b3UhCgpQZXJoYXBzIHlvdSBjb3VsZCBzYXkgd2hhdCBraW5kIG9mIG9w dGltaXNhdGlvbiB5b3UgaGF2ZSBpbiBtaW5kIHRvIHNhdmUgCm1lIGd1ZXNzaW5nPyA6KQoKUmVn YXJkcywKClR2cnRrbwpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5v cmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1n ZngK