From mboxrd@z Thu Jan 1 00:00:00 1970 From: Brian Starkey Subject: Re: [PATCH 2/3] drm: Create a format/modifier blob Date: Wed, 3 May 2017 15:03:22 +0100 Message-ID: <20170503140322.GC20378@e106950-lin.cambridge.arm.com> References: <20170503051428.4734-1-ben@bwidawsk.net> <20170503051428.4734-2-ben@bwidawsk.net> <20170503125146.GB20378@e106950-lin.cambridge.arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Daniel Stone Cc: Ben Widawsky , "Kristian H . Kristensen" , Intel GFX , DRI Development List-Id: intel-gfx@lists.freedesktop.org T24gV2VkLCBNYXkgMDMsIDIwMTcgYXQgMDI6NTE6MThQTSArMDEwMCwgRGFuaWVsIFN0b25lIHdy b3RlOgo+SGkgQnJpYW4sCj4KPk9uIDMgTWF5IDIwMTcgYXQgMTM6NTEsIEJyaWFuIFN0YXJrZXkg PGJyaWFuLnN0YXJrZXlAYXJtLmNvbT4gd3JvdGU6Cj4+IE9uIFR1ZSwgTWF5IDAyLCAyMDE3IGF0 IDEwOjE0OjI3UE0gLTA3MDAsIEJlbiBXaWRhd3NreSB3cm90ZToKPj4+ICsgICAgICAgbW9kaWZp ZXJzX3NpemUgPQo+Pj4gKyAgICAgICAgICAgICAgIHNpemVvZihzdHJ1Y3QgZHJtX2Zvcm1hdF9t b2RpZmllcikgKgo+Pj4gZm9ybWF0X21vZGlmaWVyX2NvdW50Owo+Pj4gKwo+Pj4gKyAgICAgICBi bG9iX3NpemUgPSBBTElHTihzaXplb2Yoc3RydWN0IGRybV9mb3JtYXRfbW9kaWZpZXJfYmxvYiks IDgpOwo+Pj4gKyAgICAgICBibG9iX3NpemUgKz0gQUxJR04oZm9ybWF0c19zaXplLCA4KTsKPj4+ ICsgICAgICAgYmxvYl9zaXplICs9IG1vZGlmaWVyc19zaXplOwo+Pj4gKwo+Pj4gKyAgICAgICBi bG9iID0gZHJtX3Byb3BlcnR5X2NyZWF0ZV9ibG9iKGRldiwgYmxvYl9zaXplLCBOVUxMKTsKPj4+ ICsgICAgICAgaWYgKElTX0VSUihibG9iKSkKPj4+ICsgICAgICAgICAgICAgICByZXR1cm4gLTE7 Cj4+PiArCj4+PiArICAgICAgIGJsb2JfZGF0YSA9IChzdHJ1Y3QgZHJtX2Zvcm1hdF9tb2RpZmll cl9ibG9iICopYmxvYi0+ZGF0YTsKPj4+ICsgICAgICAgYmxvYl9kYXRhLT52ZXJzaW9uID0gRk9S TUFUX0JMT0JfQ1VSUkVOVDsKPj4+ICsgICAgICAgYmxvYl9kYXRhLT5jb3VudF9mb3JtYXRzID0g Zm9ybWF0X2NvdW50Owo+Pj4gKyAgICAgICBibG9iX2RhdGEtPmZvcm1hdHNfb2Zmc2V0ID0gc2l6 ZW9mKHN0cnVjdAo+Pj4gZHJtX2Zvcm1hdF9tb2RpZmllcl9ibG9iKTsKPj4KPj4gVGhpcyBsb29r cyB0byBiZSBtaXNzaW5nIHNvbWUgYWxpZ25tZW50Lgo+Pgo+PiBEZWZpbml0ZWx5IG5lZWRzIHRv IGJlIGF0IGxlYXN0IHRvIDQgYnl0ZXMsIGJ1dCBnaXZlbiB5b3UgYWxpZ25lZAo+PiBpdCB1cCB0 byA4IGZvciB0aGUgaW5pdGlhbCAiYmxvYl9zaXplIiBJIGFzc3VtZSB0aGUgaW50ZW50aW9uIHdh cyB0bwo+PiBwdXQgdGhlIGZvcm1hdHMgb24gdGhlIG5leHQgOC1ieXRlIGFsaWduZWQgYWRkcmVz cyBhZnRlciB0aGUgZW5kIG9mCj4+IHRoZSBzdHJ1Y3QsIGUuZy46Cj4+Cj4+ICAgICAgICAgYmxv Yl9kYXRhLT5mb3JtYXRzX29mZnNldCA9IEFMSUdOKHNpemVvZihzdHJ1Y3QKPj4gZHJtX2Zvcm1h dF9tb2RpZmllcl9ibG9iKSwgOCk7Cj4KPkl0J3MgZmFpcmx5IHN1YnRsZSwgYnV0IEkgdGhpbmsg aXQncyBjb3JyZWN0LgoKSXQncyB0aGUgZXhhY3Qgc3VidGxldHkgdGhhdCBJIHdhcyBjb25jZXJu ZWQgYWJvdXQuCgo+Cj5mb3JtYXRzX29mZnNldCBpcyB0aGUgZW5kIG9mIHRoZSBmaXhlZC1zaXpl IGVsZW1lbnQsIHdoaWNoIGlzCj5jdXJyZW50bHkgYWxpZ25lZCB0byAzMiBieXRlcywgYW5kIHBy YWN0aWNhbGx5IHNwZWFraW5nIHdvdWxkIGFsd2F5cwo+aGF2ZSB0byBiZSBhbnl3YXkuIEFzIGl0 IGlzIGFuIGFycmF5IG9mIHVpbnQzMl90LCB0aGlzIGdpdmVzIG5hdHVyYWwKPmFsaWdubWVudC4K CldoeSBtdXN0IGl0IGFsd2F5cyBiZT8gVGhlIF9fcGFja2VkIGF0dHJpYnV0ZSBtZWFucyBpdCds bCBoYXZlIG5vCnBhZGRpbmcgLSBzbyBhbnkgdTE2IG9yIHU4IGFkZGVkIHRvIHRoZSBlbmQgd2ls bCBicmVhayBpdCAtIHB1dHRpbmcKdGhlIGZvcm1hdHMgYXJyYXkgb24gYSBub24tYWxpZ25lZCBi b3VuZGFyeS4KCklmIHRoZSBhc3N1bXB0aW9uIGlzIHRoYXQgdGhlIHN0cnVjdCB3aWxsIGFsd2F5 cyBiZSBtYWRlIG9mIG9ubHkKdTMyL3U2NCBtZW1iZXJzIChhbmQgdGhlIGltcGxlbWVudGF0aW9u IHdpbGwgYnJlYWsgb3RoZXJ3aXNlKSB0aGVuCnRoZXJlIGhhZCBiZXR0ZXIgYmUgYSByZWFsbHkg YmlnIGNvbW1lbnQgc2F5aW5nIHNvLCBhbmQgcHJlZmVyYWJseSBhCmNvbXBpbGUtdGltZSBhc3Nl cnRpb24gdG9vLgoKSSdtIG1pc3NpbmcgdGhlIHJlYXNvbiBmb3IgaXQgYmVpbmcgX19wYWNrZWQg aW4gdGhlIGZpcnN0IHBsYWNlIC0KcGVyaGFwcyB0aGF0J3MganVzdCBhIGxlZnQgb3ZlciBhbmQg bmVlZHMgdG8gYmUgcmVtb3ZlZC4KCkVpdGhlciB3YXksIHRoaXMgbGluZSBhbGlnbnMgdG8gODoK CisgICAgICAgYmxvYl9zaXplID0gQUxJR04oc2l6ZW9mKHN0cnVjdCBkcm1fZm9ybWF0X21vZGlm aWVyX2Jsb2IpLCA4KTsKCi4uLmFuZCB0aGUgcmVzdCBvZiB0aGUgYmxvYl9zaXplIGNhbGN1bGF0 aW9uIGxvb2tzIGxpa2UgaXQgYXNzdW1lcyB0aGUKZm9ybWF0cyBhcnJheSBzdGFydHMgYXQgdGhh dCA4LWJ5dGUgYm91bmRhcnkuIFNvLCBmb3IgY2xhcml0eSBhbmQKY29uc2lzdGVuY3kgSSByZWNr b24gdGhlIGJsb2Jfc2l6ZSBjb2RlIGFuZCB0aGUgY29kZSB0aGF0IGJ1aWxkcyB0aGUKYmxvYiBz aG91bGQgZG8gdGhlIHNhbWUgdGhpbmcuCgpDaGVlcnMsCi1CcmlhbgoKPgo+SWYgd2UgaGF2ZSBh biBvZGQgbnVtYmVyIG9mIGZvcm1hdHMgc3VwcG9ydGVkLCB0aGUgZm9ybWF0c1tdIGFycmF5Cj53 aWxsIGVuZCBvbiBhIDQtYnl0ZSByYXRoZXIgdGhhbiA4LWJ5dGUgYm91bmRhcnksIHNvIHRoZSBB TElHTigpIG9uCj5mb3JtYXRzX3NpemUgZ3VhcmFudGVlcyB0aGF0IG1vZGlmaWVyc19vZmZzZXQg d2lsbCBiZSBhbGlnbmVkIHRvIGFuCj44LWJ5dGUgcXVhbnRpdHksIHdoaWNoIGlzIHJlcXVpcmVk IGFzIGl0IGhhcyA2NC1iaXQgZWxlbWVudHMuCj4KPlRoZSBzaXplIG9mIGEgcG9pbnRlciBpcyBu b3QgcmVsZXZhbnQgc2luY2Ugd2UncmUgbm90IHBhc3NpbmcgcG9pbnRlcnMKPmFjcm9zcyB0aGUg a2VybmVsL3VzZXJzcGFjZSBib3VuZGFyeSwganVzdCBvZmZzZXRzIHdpdGhpbiBhIHN0cnVjdC4K PlRoZSBhbGlnbm1lbnQgb2YgdGhvc2Ugb2Zmc2V0cyBoYXMgdG8gY29ycmVzcG9uZCB0byB0aGUg dHlwZXMgbG9jYXRlZAo+YXQgdGhvc2Ugb2Zmc2V0cywgaS5lLiA0IGJ5dGVzIGZvciBmb3JtYXRz IChndWFyYW50ZWVkIGJ5IGZpeGVkIGhlYWRlcgo+bGF5b3V0KSwgYW5kIDggYnl0ZXMgZm9yIG1v ZGlmaWVycyAoZ3VhcmFudGVlZCBieSBleHBsaWNpdCBhbGlnbm1lbnQpLgo+Cj5DaGVlcnMsCj5E YW5pZWwKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50 ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBz Oi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==