From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matt Roper Subject: Re: [PATCH 2/3] drm/i915/skl: New ddb allocation algorithm Date: Wed, 31 May 2017 15:16:40 -0700 Message-ID: <20170531221640.GD26862@mdroper-desk.amr.corp.intel.com> References: <20170526151546.25025-1-mahesh1.kumar@intel.com> <20170526151546.25025-3-mahesh1.kumar@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTPS id A59C76E1F9 for ; Wed, 31 May 2017 22:16:46 +0000 (UTC) Content-Disposition: inline In-Reply-To: <20170526151546.25025-3-mahesh1.kumar@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Mahesh Kumar Cc: intel-gfx@lists.freedesktop.org, paulo.r.zanoni@intel.com, maarten.lankhorst@intel.com List-Id: intel-gfx@lists.freedesktop.org T24gRnJpLCBNYXkgMjYsIDIwMTcgYXQgMDg6NDU6NDVQTSArMDUzMCwgTWFoZXNoIEt1bWFyIHdy b3RlOgo+IFRoaXMgcGF0Y2ggaW1wbGVtZW50cyBuZXcgRERCIGFsbG9jYXRpb24gYWxnb3JpdGht IGFzIHBlciBIVyB0ZWFtCj4gcmVjb21tZW5kYXRpb24uIFRoaXMgYWxnbyB0YWtlY2FyZSBvZiBz Y2VuYXJpbyB3aGVyZSB3ZSBhbGxvY2F0ZSBsZXNzIEREQgo+IGZvciB0aGUgcGxhbmVzIHdpdGgg bG93ZXIgcmVsYXRpdmUgcGl4ZWwgcmF0ZSwgYnV0IHRoZXkgcmVxdWlyZSBtb3JlIEREQgo+IHRv IHdvcmsuCj4gSXQgYWxzbyB0YWtlcyBjYXJlIG9mIGVuYWJsaW5nIHNhbWUgd2F0ZXJtYXJrIGxl dmVsIGZvciBlYWNoCj4gcGxhbmUgaW4gY3J0YywgZm9yIGVmZmljaWVudCBwb3dlciBzYXZpbmcu Cj4gCj4gQ2hhbmdlcyBzaW5jZSB2MToKPiAgLSBSZWJhc2Ugb24gdG9wIG9mIFBhdWxvJ3MgcGF0 Y2ggc2VyaWVzCj4gCj4gQ2hhbmdlcyBzaW5jZSB2MjoKPiAgLSBGaXggdGhlIGZvciBsb29wIGNv bmRpdGlvbiB0byBlbmFibGUgV00KPiAKPiBDaGFuZ2VzIHNpbmNlIHYzOgo+ICAtIEZpeCBjcmFz aCBpbiBjdXJzb3IgaS1nLXQgcmVwb3J0ZWQgYnkgTWFhcnRlbgo+ICAtIFJlYmFzZSBhZnRlciBh ZGRyZXNzaW5nIFBhdWxvJ3MgY29tbWVudHMKPiAgLSBGZXcgb3RoZXIgVUxUIGZpeGVzCj4gQ2hh bmdlcyBzaW5jZSB2NDoKPiAgLSBSZWJhc2Ugb24gZHJtLXRpcAo+ICAtIEFkZGVkIHNlcGFyYXRl IGZ1bmN0aW9uIHRvIGVuYWJsZSBXTSBsZXZlbHMKPiBDaGFuZ2VzIHNpbmNlIHY1Ogo+ICAtIEZp eCBhIGNyYXNoIGlkZW50aWZpZWQgaW4gc2tsLTY3NzBIUSBzeXN0ZW0KPiBDaGFuZ2VzIHNpbmNl IHY2Ogo+ICAtIEFkZHJlc3MgcmV2aWV3IGNvbW1lbnRzIGZyb20gTWF0dAo+IENoYW5nZXMgc2lu Y2Ugdjc6Cj4gIC0gRml4IGZhaWx1cmUgcmV0dXJuIGluIHNrbF9jb21wdXRlX3BsYW5lX3dtIChN YXR0KQo+ICAtIGZpeCB0eXBvCj4gQ2hhbmdlcyBzaW5jZSB2ODoKPiAgLSBBbHdheXMgY2hlY2sg Y3Vyc29yIHdtIGVuYWJsZSBpcnJlc3BlY3RpdmUgb2YgdG90YWxfZGF0YV9yYXRlCj4gCj4gU2ln bmVkLW9mZi1ieTogTWFoZXNoIEt1bWFyIDxtYWhlc2gxLmt1bWFyQGludGVsLmNvbT4KPiBSZXZp ZXdlZC1ieTogTWFhcnRlbiBMYW5raG9yc3QgPG1hYXJ0ZW4ubGFua2hvcnN0QGxpbnV4LmludGVs LmNvbT4KPiAtLS0KLi4uCj4gQEAgLTQxMTQsMTMgKzQxODMsMjQgQEAgc2tsX2FsbG9jYXRlX3Bp cGVfZGRiKHN0cnVjdCBpbnRlbF9jcnRjX3N0YXRlICpjc3RhdGUsCj4gIAl0b3RhbF9kYXRhX3Jh dGUgPSBza2xfZ2V0X3RvdGFsX3JlbGF0aXZlX2RhdGFfcmF0ZShjc3RhdGUsCj4gIAkJCQkJCQkg ICBwbGFuZV9kYXRhX3JhdGUsCj4gIAkJCQkJCQkgICBwbGFuZV95X2RhdGFfcmF0ZSk7Cj4gKwkv Kgo+ICsJICogUExBTkVfQ1VSU09SIGRhdGEgcmF0ZSBpcyBub3QgaW5jbHVkZWQgaW4gdG90YWxf ZGF0YV9yYXRlLgo+ICsJICogSWYsIG9ubHkgY3Vyc29yIHBsYW5lIGlzIGVuYWJsZWQgd2UgaGF2 ZSB0byBlbmFibGUgaXQncyBXTQoKQSBjb3VwbGUgbWlub3IgdHlwbydzIGhlcmUuICBZb3UgcHJv YmFibHkgZG9uJ3Qgd2FudCB0aGUgY29tbWEgYWZ0ZXIKIklmLCIgYW5kIHRoZSAiaXQncyIgYXQg dGhlIGVuZCBvZiB0aGUgbGluZSBzaG91bGQgYmUgIml0cy4iCgpXaXRoIHRob3NlIGZpeGVkLAoK UmV2aWV3ZWQtYnk6IE1hdHQgUm9wZXIgPG1hdHRoZXcuZC5yb3BlckBpbnRlbC5jb20+CgoKPiAr CSAqIGxldmVscyBleHBsaWNpdGx5IGJlZm9yZSByZXR1cm5pbmcuIEN1cnNvciBoYXMgZml4ZWQg ZGRiIGFsbG9jYXRpb24sCj4gKwkgKiBTbyBpdCdzIG9rIHRvIGFsd2F5cyBjaGVjayBjdXJzb3Ig V00gZW5hYmxpbmcgYmVmb3JlIHJldHVybi4KPiArCSAqLwo+ICsJcGxhbmVfYmxvY2tzID0gc2ts X2RkYl9lbnRyeV9zaXplKCZkZGItPnBsYW5lW3BpcGVdW1BMQU5FX0NVUlNPUl0pOwo+ICsJc2ts X2VuYWJsZV9wbGFuZV93bV9sZXZlbHMoZGV2X3ByaXYsIHBsYW5lX2Jsb2NrcywgbWF4X2xldmVs LAo+ICsJCQkJICAgJnBpcGVfd20tPnBsYW5lc1tQTEFORV9DVVJTT1JdKTsKPiAgCWlmICh0b3Rh bF9kYXRhX3JhdGUgPT0gMCkKPiAgCQlyZXR1cm4gMDsKPiAgCj4gIAlzdGFydCA9IGFsbG9jLT5z dGFydDsKPiAgCWZvcl9lYWNoX3BsYW5lX2lkX29uX2NydGMoaW50ZWxfY3J0YywgcGxhbmVfaWQp IHsKPiAgCQl1bnNpZ25lZCBpbnQgZGF0YV9yYXRlLCB5X2RhdGFfcmF0ZTsKPiAtCQl1aW50MTZf dCBwbGFuZV9ibG9ja3MsIHlfcGxhbmVfYmxvY2tzID0gMDsKPiArCQl1aW50MTZfdCBwbGFuZV9i bG9ja3MgPSAwLCB5X3BsYW5lX2Jsb2NrcyA9IDA7Cj4gKwkJc3RydWN0IHNrbF9wbGFuZV93bSAq d20gPSAmcGlwZV93bS0+cGxhbmVzW3BsYW5lX2lkXTsKPiArCQl1aW50MTZfdCBwbGFuZV9yZXNf YiA9IHdtLT53bVttYXhfbGV2ZWxdLnBsYW5lX3Jlc19iOwo+ICAKPiAgCQlpZiAocGxhbmVfaWQg PT0gUExBTkVfQ1VSU09SKQo+ICAJCQljb250aW51ZTsKLi4uCgotLSAKTWF0dCBSb3BlcgpHcmFw aGljcyBTb2Z0d2FyZSBFbmdpbmVlcgpJb1RHIFBsYXRmb3JtIEVuYWJsaW5nICYgRGV2ZWxvcG1l bnQKSW50ZWwgQ29ycG9yYXRpb24KKDkxNikgMzU2LTI3OTUKX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1n ZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21h aWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==