From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tvrtko Ursulin Subject: Re: [RFC 3/5] drm/i915: Infrastructure for supporting different GGTT views per object Date: Mon, 03 Nov 2014 17:20:23 +0000 Message-ID: <5457B957.6070102@linux.intel.com> References: <1414687178-18562-1-git-send-email-tvrtko.ursulin@linux.intel.com> <1414687178-18562-4-git-send-email-tvrtko.ursulin@linux.intel.com> <20141103155821.GY26941@phenom.ffwll.local> <5457AE95.1000509@linux.intel.com> <20141103165220.GM26941@phenom.ffwll.local> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTP id 7F5326E2CF for ; Mon, 3 Nov 2014 09:20:25 -0800 (PST) In-Reply-To: <20141103165220.GM26941@phenom.ffwll.local> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Daniel Vetter Cc: Daniel Vetter , Intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org Ck9uIDExLzAzLzIwMTQgMDQ6NTIgUE0sIERhbmllbCBWZXR0ZXIgd3JvdGU6Cj4gT24gTW9uLCBO b3YgMDMsIDIwMTQgYXQgMDQ6MzQ6MjlQTSArMDAwMCwgVHZydGtvIFVyc3VsaW4gd3JvdGU6Cj4+ Cj4+IE9uIDExLzAzLzIwMTQgMDM6NTggUE0sIERhbmllbCBWZXR0ZXIgd3JvdGU6Cj4+PiBPbiBU aHUsIE9jdCAzMCwgMjAxNCBhdCAwNDozOTozNlBNICswMDAwLCBUdnJ0a28gVXJzdWxpbiB3cm90 ZToKPj4+PiBGcm9tOiBUdnJ0a28gVXJzdWxpbiA8dHZydGtvLnVyc3VsaW5AaW50ZWwuY29tPgo+ Pj4+Cj4+Pj4gVGhpbmdzIGxpa2UgcmVsaWFibGUgR0dUVCBtYXBwaW5ncyBhbmQgbWlycm9yZWQg M2QgZGlzcGxheSB3aWxsIG5lZWQgdG8gYmUKPj4+PiB0byBtYXAgdGhlIHNhbWUgb2JqZWN0IHR3 aWNlIGludG8gdGhlIEdHVFQuCj4+Pj4KPj4+PiBBZGQgYSBnZ3R0X3ZpZXcgZmllbGQgcGVyIFZN QSBhbmQgc2VsZWN0IHRoZSBwYWdlIHZpZXcgYmFzZWQgb24gdGhlIHR5cGUKPj4+PiBvZiB0aGUg dmlldy4KPj4+Pgo+Pj4+IFNpZ25lZC1vZmYtYnk6IFR2cnRrbyBVcnN1bGluIDx0dnJ0a28udXJz dWxpbkBpbnRlbC5jb20+Cj4+Pj4gQ2M6IERhbmllbCBWZXR0ZXIgPGRhbmllbC52ZXR0ZXJAZmZ3 bGwuY2g+Cj4+Pgo+Pj4gbGd0bSBvdmVyYWxsLCBzb21lIGNvbW1lbnRzIGZvciBwb2xpc2ggaW4g dGhlIGNydWNpYWwgcGFydHMgYmVsb3cuCj4+Pgo+Pj4+IEBAIC0yMTg5LDMgKzIxOTEsMjEgQEAg aTkxNV9nZW1fb2JqX2xvb2t1cF9vcl9jcmVhdGVfdm1hKHN0cnVjdCBkcm1faTkxNV9nZW1fb2Jq ZWN0ICpvYmosCj4+Pj4KPj4+PiAgIAlyZXR1cm4gdm1hOwo+Pj4+ICAgfQo+Pj4+ICsKPj4+PiAr dm9pZCBpOTE1X3ZtYV9iaW5kKHN0cnVjdCBpOTE1X3ZtYSAqdm1hLCBlbnVtIGk5MTVfY2FjaGVf bGV2ZWwgY2FjaGVfbGV2ZWwsCj4+Pj4gKwkJCXUzMiBmbGFncykKPj4+PiArewo+Pj4+ICsJc3Ry dWN0IHNnX3RhYmxlICpwYWdlczsKPj4+PiArCj4+Pj4gKwlpZiAodm1hLT5nZ3R0X3ZpZXcuZ2V0 X3BhZ2VzKQo+Pj4+ICsJCXBhZ2VzID0gdm1hLT5nZ3R0X3ZpZXcuZ2V0X3BhZ2VzKCZ2bWEtPmdn dHRfdmlldywgdm1hLT5vYmopOwo+Pj4+ICsJZWxzZQo+Pj4+ICsJCXBhZ2VzID0gdm1hLT5vYmot PnBhZ2VzOwo+Pj4+ICsKPj4+PiArCWlmIChwYWdlcyAmJiAhSVNfRVJSKHBhZ2VzKSkgewo+Pj4+ ICsJCXZtYS0+YmluZF92bWEodm1hLCBwYWdlcywgY2FjaGVfbGV2ZWwsIGZsYWdzKTsKPj4+PiAr Cj4+Pj4gKwkJaWYgKHZtYS0+Z2d0dF92aWV3LnB1dF9wYWdlcykKPj4+PiArCQkJdm1hLT5nZ3R0 X3ZpZXcucHV0X3BhZ2VzKCZ2bWEtPmdndHRfdmlldyk7Cj4+Pj4gKwl9Cj4+Pgo+Pj4gdGJoIHRo aXMgbG9va3MgYSBiaXQgbGlrZSBvdmVyYm9hcmRpbmcgZ2VuZXJhbGlzbSB0byBtZSA7LSkgSW1v Cj4+PiAtIGRyb3AgdGhlIC0+cHV0X3BhZ2VzIGNhbGxiYWNrIGFuZCBqdXN0IGZyZWUgdGhlIHNn IHRhYmxlIGlmIHlvdSBoYXZlCj4+PiAgICBvbmUuCj4+PiAtIGRyb3AgdGVoIC0+Z2V0X3BhZ2Vz IGNhbGxiYWNrcyBhbmQgcmVwbGFjZSBpdCB3aXRoIGEgbmV3Cj4+PiAgICBpOTE1X3ZtYV9zaHVm ZmxlX3BhZ2VzIG9yIHNpbWlsYXIgeW91J2xsIGNhbGwgZm9yIG5vbi1zdGFuZGFyZCBnZ3R0Cj4+ PiAgICB2aWV3cy4gVHdvIHJlYXNvbnM6IHNodWZmbGUgaXMgYSBtb3JlIGFjY3VyYXRlIG5hbWUg dGhhbiBnZXQgc2luY2UgdGhpcwo+Pj4gICAgdmVyc2lvbiBkb2Vzbid0IGdyYWIgaXQncyBvd24g cGFnZSByZWZlcmVuY2VzIGFueSBtb3JlLCBhbmQgd2l0aAo+Pj4gICAgY3VycmVudGx5IGp1c3Qg b25lIGludGVybmFsIHVzZXIgZm9yIHRoaXMgYSB2dGFibGUgaXMgc2VyaW91cyBvdmVya2lsbC4K Pj4KPj4gSSBhY3R1YWxseSB0aG91Z2h0IEkgd2lsbCBuZWVkIHNlbWktcGVyc2lzdGVudCB2aWV3 IGZvciB0aGlzIGluIHRoZSBmdXR1cmUKPj4gcGF0Y2ggd2hpY2ggZ2V0X3BhZ2VzKCkvcHV0X3Bh Z2VzKCkgY2F0ZXJzIGZvci4KPj4KPj4gTW9yZSBwcmVjaXNlbHkgaXQgd291bGQgYmUgZm9yIGhv bGRpbmcgb250byBjcmVhdGVkIHBhZ2VzIGR1cmluZyB2aWV3Cj4+IGNyZWF0aW9uIGFjcm9zcyB0 aGUgaTkxNV9nZW1fZ3R0X3ByZXBhcmVfb2JqZWN0IGFuZCBpOTE1X3ZtYV9iaW5kIGluCj4+IGk5 MTVfZ2VtX29iamVjdF9iaW5kX3RvX3ZtLgo+Pgo+PiBBbHNvLCAtPnB1dF9wYWdlcyBsb29rcyBt dWNoIG5lYXRlciB0byBtZSBmcm9tIGk5MTVfZ2VtX3ZtYV9kZXN0cm95IHJhdGhlcgo+PiB0aGFu IGxlYWtpbmcgdGhlIGtub3dsZWRnZSBvZiBpbnRlcm5hbCBpbXBsZW1lbnRhdGlvbi4gVGhhdCBp cyBvZiBjb3Vyc2UgaWYKPj4geW91IHdpbGwgYWxsb3cgdGhlIGFib3ZlIGp1c3RpZmljYXRpb24g Zm9yIG1ha2luZyB0aGUgYWx0ZXJuYXRpdmUgdmlldyBhdAo+PiBsZWFzdCBzZW1pLXBlcnNpc3Rl bnQuCj4KPiBJIGRvbid0IHNlZSB3aHkgdGhlIHZpZXcgbmVlZHMgdG8gYmUgc2VtaS1wZXJzaXN0 ZW50LiBBbmQgaXQgY2VydGFpbmx5Cj4gZG9lc24ndCB3b3JrIGJ5IGF0dGFjaGluZyB0aGUgc2cg dGFibGUgdG8gdGhlIHZtYSwgc2luY2UgdGhlbiB0aGUgcGFnZXMKPiBjYW4ndCBzdXJ2aXZlIHRo ZSB2bWEuIEFuZCB0aGUgdm1hIGlzIGFscmVhZHkgY2FjaGVkIChpLmUuIHdlIG9ubHkgZXZlcgo+ IHRocm93IHRoZW0gYXdheSBsYXppbHkpLgogPgo+IEFuZCBJIGRvbid0IGhpbmsgY2FjaGluZyBp dCBsb25nZXIgdGhhbiB0aGUgdm1hIGlzIHVzZWZ1bCBzaW5jZSB3aGVuIHdlCj4gdGhyb3cgYXdh eSB0aGUgdm1hIHRoYXQncyB1c3VhbGx5IGEgbXVjaCBiaWdnZXIgcGVyZm9ybWFuY2UgZGlzYXN0 ZXIsCj4gb2Z0ZW4gaW52b2x2aW5nIHN0YWxscyBhbmQgY2hhc2luZyBkb3duIGJhY2tpbmcgc3Rv cmFnZSBhZ2Fpbi4gQWxsb2NhdGluZwo+IGEgcHVueSBzZyB0YWJsZSBhbmQgZmlsbGluZyBpdCBh Z2FpbiBpc24ndCBhIGxvdCBvZiB3b3JrLiBFc3BlY2lhbGx5IHNpbmNlCj4gdGhpcyBpcyBvbmx5 IGZvciB1bmNvbW1vbiBjYXNlcyBsaWtlIHNjYW5vdXQgYnVmZmVycyBvciBnZ3R0IG1tYXBzIHRo dXMKPiBmYXIuCgpBaCBhbHJpZ2h0LCB0aGluayBJIHNlZSB3aGF0IHlvdSBtZWFuLiBIbS4uIHRv IGV4cGxhaW4gb25jZSBtb3JlIHdoeSBJIApwdXQgdGhhdCBpbi4uLgoKQXQgdGhlIG1vbWVudCBp dCBpcyBqdXN0IHRoZSBtZWFucyBvZiBhbGxvdyB0aGUgYWx0ZXJuYXRpdmUgR0dUVCB2aWV3IHRv IApleGlzdHMgKGFzIGluIHNnX3RhYmxlKSBmb3IgdGhlIGR1cmF0aW9uIG9mIGk5MTVfZ2VtX29i amVjdF9iaW5kX3RvX3ZtLgoKQmVjYXVzZSBpdCBkb2VzIGEgdHdvIHN0YWdlIHByb2Nlc3MgdGhl cmU7IHRoZSBndHRfcHJlcGFyZV9vYmplY3QgYW5kIAppbnNlcnQgZW50cmllcy4KCkkgZGlkIG5v dCBsaWtlIHlvdXIgaWRlYSwgd2VsbCBJIGRpZCBub3QgdGhpbmsgaXQgaXMgZmVhc2libGUgLSBh cyBpbiAKZWFzaWx5IGRvYWJsZSwgb2Ygc3RlYWxpbmcgdGhlIERNQSBhZGRyZXNzZXMgc2luY2Ug dGhlIFNHIHRhYmxlcyBiZXR3ZWVuIAp2aWV3IGRvbid0IGhhdmUgYSAxOjEgcmVsYXRpb25zaGlw IGluIG51bWJlciBvZiBjaHVuay9wYWdlcy4KClNvIG1heWJlIEkgYW0gbWlzc2luZyBzb21ldGhp bmcsIGJ1dCB0byBtZSBpdCBsb29rZWQgbGlrZSBhIGhhbmR5IHdheSBvZiAKYWNoaWV2aW5nIHRo YXQgZ29hbC4KCllvdSBkb24ndCBsaWtlIHRoZSBmYWN0IHRoYXQgbXkgcHV0X3BhZ2VzIGlzIGRv bmUgb25seSBpbiAKaTkxNV9nZW1fdm1hX2Rlc3Ryb3kgaW4gdGhpcyBwYXRjaCwgd2hpY2ggb25s eSBoYXBwZW5zIGxhemlseSwgY29ycmVjdD8KCklmIHRoZSBuZXcgZ2V0L3B1dF9wYWdlcyBjYWxs cyBvbiB0aGUgdmlldyB3ZXJlIGRvbmUgZXhwbGljaXRseSBpbiAKaTkxNV9nZW1fb2JqZWN0X2Jp bmRfdG9fdm0gd291bGQgdGhhdCBiZSBhbnkgYmV0dGVyPyBUaGF0IHdvdWxkIHNob3cgCmV4cGxp Y2l0bHkgdGhhdCB0aGUgU0cgdGFibGUgaXMgYSB0aHJvdyBhd2F5LgoKPj4gU28geW91IHN1Z2dl c3QgdG8gaW1wbHkgVk1BIGlkIHRvIGJlIGVxdWFsIHRvIEdHVFQgdmlldyB0eXBlIGFuZAo+PiBW TUFfSURfREVGQVVMVCB0byBiZSBmaXhlZCB0byBJOTE1X0dHVFRfVklFV19OT1JNQUw/IElzIGl0 IG5vdCBhCj4+IGxvZ2lzdGljcy9tYWludGVuYW5jZSBwcm9ibGVtIHRvIHN5bmMgdGhlIHR3byB0 aGVuPwo+Cj4gV2VsbCBpZiB3ZSBraWxsIG9uZSBvZiB0aGVtIGNvbXBsZXRlbHkgdGhlcmUncyBu byBzeW5jaW5nIHJlcXVpcmVkLCB3aGljaAo+IGlzIHdoYXQgSSB0aGluayB3ZSB3YW50LiBIYXZp bmcgdHdvIHdpbGwgYmUgYSBuaWdodG1hcmUsIGFuZCBJIGRvbid0IHNlZQo+IGFueSB1c2UgYSBm ZXcgeWVhcnMgb3V0IGV2ZW4gZm9yIG5vbi1nZ3R0IHNwZWNpYWwgdmlld3MuCj4KPiBXZSBjYW4g YWx3YXlzIGFkZCBtb3JlIGNvbXBsZXhpdHkgbGF0ZXIgb24gaWYgbmVlZGVkLgoKT2sgSSBkb24n dCBzZWUgaXQgYXQgdGhlIG1vbWVudCBzaW5jZSB0aGV5IGFyZSB0d28gZGlmZmVyZW50IGNvbmNl cHRzIHRvIAptZSBidXQgSSdsbCB0aGluayBhYm91dCBpdC4KCj4+PiBSZW1vdmluZyB2bWFfaWQg YWxzbyByZW1vdmVzIHRoZSBpbnQsIHdoaWNoIEknZCBhc2sgeW91IHRvIHJlcGxhY2Ugd2l0aCBh bgo+Pj4gZXhwbGljaXQgZW51bSBhbnl3YXkgOy0pCj4+Cj4+IFllcyBJIGxlZnQgdGhhdCBmb3Ig bGF0ZXIuIEkgbWVhbiwgd2hlbiBhdCBzdGFnZSB0byBiZSB0YWxraW5nIGFib3V0IHN1Y2gKPj4g ZGV0YWlsIGl0IGlzIGEgaGFwcHkgcGxhY2UuCj4KPiBJJ20gbm90IGEgZmFuIG9mIHByZWVtcHRp dmUgZ2VuZXJhbGl6YXRpb24gLSBpdCB0ZW5kcyB0byBiZSB0aGUgd3Jvbmcgb25lCj4gYW5kIGh1 cnQgZG91Ymx5IGluIHRoZSBmdXR1cmUgc2luY2UgeW91IGhhdmUgdG8gcmVtb3ZlIHRoZSB3cm9u ZyBvbmUgZmlyc3QKPiBiZWZvcmUgeW91IGNhbiBhZGQgdGhlIHJpZ2h0IHN0dWZmLgoKSW4gZ2Vu ZXJhbCA6KSwgYXMgYWx3YXlzIGl0IGlzIHRoZSBxdWVzdGlvbiBvZiBnZXR0aW5nIHRoZSBiYWxh bmNlIApyaWdodC4gQmVjYXVzZSB0aGUgb3Bwb3NpdGUgY2FuIGFsc28gaGFwcGVuIGFuZCBtYXli ZSBldmVuIGhhcyBpbiBzb21lIApwYXJ0cyBvZiB0aGUgZHJpdmVyLgoKQW55d2F5LCB0aGF0J3Mg d2h5IEkgZGlkbid0IGJvdGhlciB3aXRoIHBvbGlzaGluZyB0aGUgZW51bXMgZXRjLiA6KQoKUmVn YXJkcywKClR2cnRrbwpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5v cmcKaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdm eAo=