From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Goel, Akash" Subject: Re: [PATCH v4] drm/i915: Support to enable TRTT on GEN9 Date: Wed, 9 Mar 2016 21:26:08 +0530 Message-ID: <56E04798.9060700@intel.com> References: <1456980877-28989-1-git-send-email-akash.goel@intel.com> <1457523024-12706-1-git-send-email-akash.goel@intel.com> <20160309120423.GH1405@nuc-i3427.alporthouse.com> <56E0381F.2080603@intel.com> <20160309150255.GI1405@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 ESMTP id B56406E1AE for ; Wed, 9 Mar 2016 15:56:14 +0000 (UTC) In-Reply-To: <20160309150255.GI1405@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 , intel-gfx@lists.freedesktop.org, Michel Thierry , akash.goel@intel.com List-Id: intel-gfx@lists.freedesktop.org CgpPbiAzLzkvMjAxNiA4OjMyIFBNLCBDaHJpcyBXaWxzb24gd3JvdGU6Cj4gT24gV2VkLCBNYXIg MDksIDIwMTYgYXQgMDg6MjA6MDdQTSArMDUzMCwgR29lbCwgQWthc2ggd3JvdGU6Cj4+PiBXaGF0 IGxvY2tzIGFyZSB3ZSBob2xkaW5nIGhlcmU/Cj4+Pgo+Pj4+ICsJZWxzZSBpZiAoYXJncy0+c2l6 ZSA8IHNpemVvZih0cnR0X3BhcmFtcykpCj4+Pj4gKwkJcmV0dXJuIC1FSU5WQUw7Cj4+Pj4gKwll bHNlIGlmIChjb3B5X2Zyb21fdXNlcigmdHJ0dF9wYXJhbXMsCj4+Pj4gKwkJCQl0b191c2VyX3B0 cihhcmdzLT52YWx1ZSksCj4+Pj4gKwkJCQlzaXplb2YodHJ0dF9wYXJhbXMpKSkKPj4+Cj4+PiBC ZWNhdXNlIHdoYXRldmVyIHRoZXkgYXJlLCB3ZSBjYW4ndCBob2xkIHRoZW0gaGVyZSEKPj4+Cj4+ IFRoZSBzdHJ1Y3RfbXV0ZXggbG9jayB3YXMgdGFrZW4gaW4gdGhlIGNhbGxlciwgaW9jdGwgZnVu Y3Rpb24uCj4+IE9rLCBzbyBuZWVkIHRvIHJlbGVhc2UgdGhhdCBiZWZvcmUgaW52b2tpbmcgY29w eV9mcm9tX3VzZXIuCj4+Cj4+PiAoSW1hZ2luZS93cml0ZSBhIHRlc3QgdGhhdCBwYXNzZXMgaW4g dGhlIHRydHRfcGFyYW1zIGluc2lkZSBhIEdUVCBtbWFwaW5nLikKPj4KPj4gVGhpcyBjb3VsZCBj YXVzZSBhIHJlY3Vyc2l2ZSBsb2NraW5nIG9mIHN0cnVjdF9tdXRleCBmcm9tIHRoZSBnZW1fZmF1 bHQoKSA/Cj4KPiBFeGFjdGx5LiBBdCB0aGUgbGVhc3QgbG9ja2RlcCBzaG91bGQgd2FybiBpZiB3 ZSBoaXQgYSBmYXVsdCBhbG9uZyB0aGlzCj4gcGF0aCAoZHVlIHRvIHRoZSBpbGxlZ2FsIG5lc3Rp bmcgb2YgbW1hcF9zZW0gaW5zaWRlIHN0cnVjdF9tdHVleCkuCj4KCkkgaG9wZSBpdCB3b24ndCBs b29rIHVuZ2Fpbmx5IHRvIHVubG9jayB0aGUgc3RydWN0X211dGV4IGJlZm9yZSAKY29weV9mcm9t X3VzZXIgYW5kIGxvY2sgaXQgYmFjayByaWdodCBhZnRlciB0aGF0LgoKPj4KPj4+Cj4+Pj4gQEAg LTkyMyw3ICsxMDE1LDYgQEAgaW50IGk5MTVfZ2VtX2NvbnRleHRfZ2V0cGFyYW1faW9jdGwoc3Ry dWN0IGRybV9kZXZpY2UgKmRldiwgdm9pZCAqZGF0YSwKPj4+PiAgIAkJcmV0dXJuIFBUUl9FUlIo Y3R4KTsKPj4+PiAgIAl9Cj4+Pj4KPj4+PiAtCWFyZ3MtPnNpemUgPSAwOwo+Pj4KPj4+IEF3b29n YS4gRG9lcyBldmVyeSBwYXRoIHRoZW4gc2V0IGl0Pwo+Pj4KPj4KPj4gSXQgaXMgYmVpbmcgc2V0 IG9ubHkgZm9yIHRoZSBUUlRUIGNhc2UuIEZvciB0aGUgb3RoZXIgZXhpc3RpbmcKPj4gY2FzZXMs IHNob3VsZCBpdCBiZSBleHBsaWNpdGx5IHNldCB0byAwLCBpcyB0aGF0IHJlYWxseSBuZWVkZWQg Pwo+Cj4gWWVzLiBBbGwgb3RoZXIgcGF0aHMgbmVlZCB0byByZXBvcnQgLnNpemUgPSAwIChhcyB0 aGV5IGRvbid0IHdyaXRlCj4gdGhyb3VnaCBhIHBvaW50ZXIpLgo+CgpGaW5lIHdpbGwgYWRkIHRo ZSBhcmdzLT5zaXplID0gMCBmb3IgYWxsIHRoZSBvdGhlciBjYXNlcy4KCj4+Pj4gKwkvKiBNYXJr IHRoZSB2bWEgYXMgcGVybWFuZW50bHkgcGlubmVkICovCj4+Pj4gKwl2bWEtPnBpbl9jb3VudCA9 IDE7Cj4+Pj4gKwo+Pj4+ICsJLyogUmVzZXJ2ZSBmcm9tIHRoZSA0OCBiaXQgUFBHVFQgc3BhY2Ug Ki8KPj4+PiArCXZtYS0+bm9kZS5zdGFydCA9IHNlZ21lbnRfYmFzZV9hZGRyOwo+Pj4+ICsJdm1h LT5ub2RlLnNpemUgPSBHRU45X1RSVFRfU0VHTUVOVF9TSVpFOwo+Pj4+ICsJcmV0ID0gZHJtX21t X3Jlc2VydmVfbm9kZSgmdm0tPm1tLCAmdm1hLT5ub2RlKTsKPj4+PiArCWlmIChyZXQpIHsKPj4+ PiArCQlyZXQgPSBpOTE1X2dlbV9ldmljdF9mb3Jfdm1hKHZtYSk7Cj4+Pgo+Pj4gR2l2ZW4gdGhh dCB0aGlzIGhhcyBhIGtub3duIEdQRiwgeW91IG5lZWQgYSB0ZXN0IGNhc2UgdGhhdCB0cmllcyB0 bwo+Pj4gZXZpY3QgYW4gYWN0aXZlL2hhbmdpbmcgb2JqZWN0IGluIG9yZGVyIHRvIG1ha2Ugcm9v bSBmb3IgdGhlIHRydHQuCj4+Pgo+PiBJbiB0aGUgbmV3IHRlc3QgY2FzZSwgd2lsbCBzb2Z0IHBp biBvYmplY3RzIGluIFRSLVRUIHNlZ21lbnQgZmlyc3QuCj4+IFRoZW4gbGF0ZXIgb24gZW5hYmxp bmcgVFItVFQsIHRob3NlIG9iamVjdHMgc2hvdWxkIGdldCBldmljdGVkLgo+Cj4gWWVzLiBCdXQg bWFrZSBzdXJlIHlvdSBoYXZlIGNvbWJpbmF0aW9ucyBvZiBpbmFjdGl2ZSwgYWN0aXZlLCBhbmQK PiBoYW5naW5nIG9iamVjdHMgaW5zaWRlIHRoZSB0by1iZS1ldmljdGVkIHNlZ21lbnQuIFRob3Nl IGNvdmVyIHRoZSBtb3N0Cj4gZnJlcXVlbnQgZXJyb3JzIHdlIGhhdmUgdG8gaGFuZGxlIChhbmQg ZWFzaWVzdCB0byByZXByb2R1Y2UpLgo+CkZpbmUsIHdpbGwgcmVmZXIgb3RoZXIgdGVzdHMgbG9n aWMgdG8gc2VlIGhvdyB0byBlbnN1cmUgdGhhdCBwcmV2aW91c2x5IApzb2Z0IHBpbm5lZCBvYmpl Y3QgaXMgc3RpbGwgbWFya2VkIGFzIGFjdGl2ZSwgd2hlbiB0aGUgZXZpY3Rpb24gaGFwcGVucyAK b24gZW5hYmxpbmcgVFItVFQuCgpTb3JyeSB3aGF0IGlzIHRoZSBoYW5naW5nIG9iamVjdCB0eXBl ID8KCj4+Pj4gK3N0YXRpYyBpbnQgZ2VuOV9pbml0X2NvbnRleHRfdHJ0dChzdHJ1Y3QgZHJtX2k5 MTVfZ2VtX3JlcXVlc3QgKnJlcSkKPj4+Cj4+PiBTaW5jZSBUUlRUIGlzIHJlbmRlciBvbmx5LCBj YWxsIHRoaXMgZ2VuOV9pbml0X3Jjc19jb250ZXh0X3RydHQoKQo+Pj4KPj4gVGhhbmtzLCB3aWxs IGNoYW5nZS4KPj4KPj4+PiAgIHN0YXRpYyBpbnQgaW50ZWxfbG9naWNhbF9yaW5nX2VtaXRfcGRw cyhzdHJ1Y3QgZHJtX2k5MTVfZ2VtX3JlcXVlc3QgKnJlcSkKPj4+PiAgIHsKPj4+PiAgIAlzdHJ1 Y3QgaTkxNV9od19wcGd0dCAqcHBndHQgPSByZXEtPmN0eC0+cHBndHQ7Cj4+Pj4gQEAgLTE2OTMs NiArMTc1NywyMCBAQCBzdGF0aWMgaW50IGdlbjhfZW1pdF9iYl9zdGFydChzdHJ1Y3QgZHJtX2k5 MTVfZ2VtX3JlcXVlc3QgKnJlcSwKPj4+PiAgIAkJcmVxLT5jdHgtPnBwZ3R0LT5wZF9kaXJ0eV9y aW5ncyAmPSB+aW50ZWxfcmluZ19mbGFnKHJlcS0+cmluZyk7Cj4+Pj4gICAJfQo+Pj4+Cj4+Pj4g KwkvKgo+Pj4+ICsJICogRW1pdHRpbmcgTFJJcyB0byB1cGRhdGUgdGhlIFRSVFQgcmVnaXN0ZXJz IGlzIG1vc3QgcmVsaWFibGUsIGluc3RlYWQKPj4+PiArCSAqIG9mIGRpcmVjdGx5IHVwZGF0aW5n IHRoZSBjb250ZXh0IGltYWdlLCBhcyB0aGlzIHdpbGwgZW5zdXJlIHRoYXQKPj4+PiArCSAqIHVw ZGF0ZSBoYXBwZW5zIGluIGEgc2VyaWFsaXplZCBtYW5uZXIgZm9yIHRoZSBjb250ZXh0IGFuZCBh bHNvCj4+Pj4gKwkgKiBsaXRlLXJlc3RvcmUgc2NlbmFyaW8gd2lsbCBnZXQgaGFuZGxlZC4KPj4+ PiArCSAqLwo+Pj4+ICsJaWYgKChyZXEtPnJpbmctPmlkID09IFJDUykgJiYgcmVxLT5jdHgtPnRy dHRfaW5mby51cGRhdGVfdHJ0dF9wYXJhbXMpIHsKPj4+PiArCQlyZXQgPSBnZW45X2VtaXRfdHJ0 dF9yZWdzKHJlcSk7Cj4+Pj4gKwkJaWYgKHJldCkKPj4+PiArCQkJcmV0dXJuIHJldDsKPj4+PiAr Cj4+Pj4gKwkJcmVxLT5jdHgtPnRydHRfaW5mby51cGRhdGVfdHJ0dF9wYXJhbXMgPSBmYWxzZTsK Pj4+Cj4+PiBCYWguIFNpbmNlIHdlIGNhbiBvbmx5IHVwZGF0ZSB0aGUgcGFyYW1zIG9uY2UgKEVF WElTVCBvdGhlcndpc2UpLAo+Pj4gd2UgZW1pdCB0aGUgY2hhbmdlIHdoZW4gdGhlIHVzZXIgc2V0 cyB0aGUgbmV3IHBhcmFtcy4KPj4KPj4gU29ycnkgY291bGRuJ3QgZ2V0IHRoaXMgcG9pbnQuIFdl IGNhbid0IGVtaXQgdGhlIHBhcmFtcyByaWdodCBhd2F5Cj4+IHdoZW4gVXNlciBzZXRzIHRoZW0g KG9ubHkgb25jZSkuIFdlIG5lZWQgdG8gZW1pdC9hcHBseSB0aGUgcGFyYW1zCj4+IChvbmV0aW1l KSBpbiBhIGRlZmVycmVkIG1hbm5lciBvbiB0aGUgbmV4dCBzdWJtaXNzaW9uLgo+Cj4gV2h5IGNh bid0IHdlPyBXZSBjYW4gY29uc3RydWN0IGFuZCBzdWJtaXQgYSByZXF1ZXN0IHNldHRpbmcgdGhl Cj4gcmVnaXN0ZXJzIGluc2lkZSB0aGUgcmlnaHQgY29udGV4dCBpbWFnZSBhdCB0aGF0IHBvaW50 LCBhbmQgdGhleSBuZXZlcgo+IGNoYW5nZSBhZnRlciB0aGF0IHBvaW50LgoKT2sgeWVzIGEgbmV3 IHJlcXVlc3QgY2FuIGJlIGNvbnN0cnVjdGVkICYgc3VibWl0dGVkIGZvciB0aGUgQ29udGV4dCwg CmVtaXR0aW5nIHRoZSBMUklzIHRvIHVwZGF0ZSB0aGUgVFJUVCBwYXJhbXMgaW4gdGhlIENvbnRl eHQgaW1hZ2UuCkJ1dCB3b24ndCB0aGF0IGJlIHJlbGF0aXZlbHkgY3VtYmVyc29tZSBjb25zaWRl cmluZyB0aGF0IHdlIGFyZSBhYmxlIHRvIAplYXNpbHkgZGVmZXIgJiBjb25mbGF0ZSB0aGF0IHdp dGggbmV4dCBiYXRjaCBzdWJtaXNzaW9uLCB0aHJvdWdoIGFuIApleHRyYSBmbGFnIHRydHRfaW5m by51cGRhdGVfdHJ0dF9wYXJhbXMuCgpCZXN0IHJlZ2FyZHMKQWthc2gKCgo+IC1DaHJpcwo+Cl9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBt YWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3Rz LmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=