From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: Re: [PATCH 8/9] drm/i915: Migrate stolen objects before hibernation Date: Mon, 14 Dec 2015 10:31:05 +0000 Message-ID: <20151214103105.GI24300@nuc-i3427.alporthouse.com> References: <1450071971-30321-1-git-send-email-ankitprasad.r.sharma@intel.com> <1450071971-30321-9-git-send-email-ankitprasad.r.sharma@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from fireflyinternet.com (mail.fireflyinternet.com [87.106.93.118]) by gabe.freedesktop.org (Postfix) with ESMTP id A1CF76E602 for ; Mon, 14 Dec 2015 02:31:12 -0800 (PST) Content-Disposition: inline In-Reply-To: <1450071971-30321-9-git-send-email-ankitprasad.r.sharma@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: ankitprasad.r.sharma@intel.com Cc: intel-gfx@lists.freedesktop.org, akash.goel@intel.com, shashidhar.hiremath@intel.com List-Id: intel-gfx@lists.freedesktop.org T24gTW9uLCBEZWMgMTQsIDIwMTUgYXQgMTE6MTY6MTBBTSArMDUzMCwgYW5raXRwcmFzYWQuci5z aGFybWFAaW50ZWwuY29tIHdyb3RlOgo+ICtzdGF0aWMgaW50Cj4gK2NvcHlfY29udGVudChzdHJ1 Y3QgZHJtX2k5MTVfZ2VtX29iamVjdCAqb2JqLAo+ICsJCXN0cnVjdCBkcm1faTkxNV9wcml2YXRl ICppOTE1LAo+ICsJCXN0cnVjdCBhZGRyZXNzX3NwYWNlICptYXBwaW5nKQo+ICt7Cj4gKwlzdHJ1 Y3QgZHJtX21tX25vZGUgbm9kZTsKPiArCWludCByZXQsIGk7Cj4gKwo+ICsJLyogc3RvbGVuIG9i amVjdHMgYXJlIGFscmVhZHkgcGlubmVkIHRvIHByZXZlbnQgc2hyaW5rYWdlICovCj4gKwltZW1z ZXQoJm5vZGUsIDAsIHNpemVvZihub2RlKSk7Cj4gKwlyZXQgPSBpOTE1X2dlbV9pbnNlcnRfbm9k ZV9pbl9yYW5nZShpOTE1LCAmbm9kZSwgNDA5NiwgMCwKPiArCQkJCQkgICAgMCwgaTkxNS0+Z3R0 Lm1hcHBhYmxlX2VuZCk7Cj4gKwlpZiAocmV0KQo+ICsJCXJldHVybiByZXQ7Cj4gKwo+ICsJZm9y IChpID0gMDsgaSA8IG9iai0+YmFzZS5zaXplIC8gUEFHRV9TSVpFOyBpKyspIHsKPiArCQlzdHJ1 Y3QgcGFnZSAqcGFnZTsKPiArCQl2b2lkICpfX2lvbWVtIHNyYzsKPiArCQl2b2lkICpkc3Q7Cj4g Kwo+ICsJCXdtYigpOwo+ICsJCWk5MTUtPmd0dC5iYXNlLmluc2VydF9wYWdlKCZpOTE1LT5ndHQu YmFzZSwKPiArCQkJCQkgICBpOTE1X2dlbV9vYmplY3RfZ2V0X2RtYV9hZGRyZXNzKG9iaiwgaSks Cj4gKwkJCQkJICAgbm9kZS5zdGFydCwKPiArCQkJCQkgICBJOTE1X0NBQ0hFX05PTkUsCj4gKwkJ CQkJICAgMCk7Cj4gKwkJd21iKCk7Cj4gKwo+ICsJCXBhZ2UgPSBzaG1lbV9yZWFkX21hcHBpbmdf cGFnZShtYXBwaW5nLCBpKTsKPiArCQlpZiAoSVNfRVJSKHBhZ2UpKSB7Cj4gKwkJCXJldCA9IFBU Ul9FUlIocGFnZSk7Cj4gKwkJCWJyZWFrOwo+ICsJCX0KPiArCj4gKwkJc3JjID0gaW9fbWFwcGlu Z19tYXBfYXRvbWljX3djKGk5MTUtPmd0dC5tYXBwYWJsZSwgbm9kZS5zdGFydCk7Cj4gKwkJZHN0 ID0ga21hcF9hdG9taWMocGFnZSk7CgpUaGUgd21iKCkgYmFycmllcnMgYXJlIGhlcmUuLi4KPiAr CQltZW1jcHlfZnJvbWlvKGRzdCwgc3JjLCBQQUdFX1NJWkUpOwouLi5hbmQgaGVyZS4KCj4gKwkJ a3VubWFwX2F0b21pYyhkc3QpOwo+ICsJCWlvX21hcHBpbmdfdW5tYXBfYXRvbWljKHNyYyk7Cj4g Kwo+ICsJCXBhZ2VfY2FjaGVfcmVsZWFzZShwYWdlKTsKPiArCX0KPiArCj4gKwl3bWIoKTsKPiAr CWk5MTUtPmd0dC5iYXNlLmNsZWFyX3JhbmdlKCZpOTE1LT5ndHQuYmFzZSwKPiArCQkJCSAgIG5v ZGUuc3RhcnQsIG5vZGUuc2l6ZSwKPiArCQkJCSAgIHRydWUpOwo+ICsJZHJtX21tX3JlbW92ZV9u b2RlKCZub2RlKTsKPiArCXJldHVybiByZXQ7Cj4gK30KPiArCj4gKy8qKgo+ICsgKiBpOTE1X2dl bV9vYmplY3RfbWlncmF0ZV9zdG9sZW5fdG9fc2htZW1mcygpIC0gbWlncmF0ZXMgYSBzdG9sZW4g YmFja2VkCj4gKyAqIG9iamVjdCB0byBzaG1lbWZzCj4gKyAqIEBvYmo6IHN0b2xlbiBiYWNrZWQg b2JqZWN0IHRvIGJlIG1pZ3JhdGVkCj4gKyAqCj4gKyAqIFJldHVybnM6IDAgb24gc3VjY2Vzc2Z1 bCBtaWdyYXRpb24sIGVycm5vIG9uIGZhaWx1cmUKPiArICovCj4gKwo+ICtzdGF0aWMgaW50Cj4g K2k5MTVfZ2VtX29iamVjdF9taWdyYXRlX3N0b2xlbl90b19zaG1lbWZzKHN0cnVjdCBkcm1faTkx NV9nZW1fb2JqZWN0ICpvYmopCj4gK3sKPiArCXN0cnVjdCBkcm1faTkxNV9wcml2YXRlICppOTE1 ID0gdG9faTkxNShvYmotPmJhc2UuZGV2KTsKPiArCXN0cnVjdCBpOTE1X3ZtYSAqdm1hLCAqdm47 Cj4gKwlzdHJ1Y3QgZmlsZSAqZmlsZTsKPiArCXN0cnVjdCBhZGRyZXNzX3NwYWNlICptYXBwaW5n Owo+ICsJc3RydWN0IHNnX3RhYmxlICpzdG9sZW5fcGFnZXMsICpzaG1lbWZzX3BhZ2VzOwo+ICsJ aW50IHJldDsKPiArCj4gKwlpZiAoV0FSTl9PTl9PTkNFKGk5MTVfZ2VtX29iamVjdF9uZWVkc19i aXQxN19zd2l6emxlKG9iaikpKQo+ICsJCXJldHVybiAtRUlOVkFMOwo+ICsKPiArCXJldCA9IGk5 MTVfZ2VtX29iamVjdF9zZXRfdG9fZ3R0X2RvbWFpbihvYmosIGZhbHNlKTsKPiArCWlmIChyZXQp Cj4gKwkJcmV0dXJuIHJldDsKClRoaXMgc2hvdWxkIGJlIGluIGNvcHlfY29udGVudC4KCj4gKwlm aWxlID0gc2htZW1fZmlsZV9zZXR1cCgiZHJtIG1tIG9iamVjdCIsIG9iai0+YmFzZS5zaXplLCBW TV9OT1JFU0VSVkUpOwo+ICsJaWYgKElTX0VSUihmaWxlKSkKPiArCQlyZXR1cm4gUFRSX0VSUihm aWxlKTsKPiArCW1hcHBpbmcgPSBpOTE1X2dlbV9zZXRfaW5vZGVfZ2ZwKG9iai0+YmFzZS5kZXYs IGZpbGUpOwo+ICsKPiArCWxpc3RfZm9yX2VhY2hfZW50cnlfc2FmZSh2bWEsIHZuLCAmb2JqLT52 bWFfbGlzdCwgdm1hX2xpbmspCj4gKwkJaWYgKGk5MTVfdm1hX3VuYmluZCh2bWEpKQo+ICsJCQlj b250aW51ZTsKPiArCj4gKwlpZiAob2JqLT5tYWR2ICE9IEk5MTVfTUFEVl9XSUxMTkVFRCAmJiBs aXN0X2VtcHR5KCZvYmotPnZtYV9saXN0KSkgewo+ICsJCS8qIERpc2NhcmQgdGhlIHN0b2xlbiBy ZXNlcnZhdGlvbiwgYW5kIHJlcGxhY2Ugd2l0aAo+ICsJCSAqIGFuIHVucG9wdWxhdGVkIHNobWVt ZnMgb2JqZWN0Lgo+ICsJCSAqLwo+ICsJCW9iai0+bWFkdiA9IF9fSTkxNV9NQURWX1BVUkdFRDsK PiArCQlnb3RvIHN3YXBfcGFnZXM7CgpBIGdvdG8gb3ZlciBvbmUgbGluZT8gZWxzZT8KCj4gKwl9 Cj4gKwo+ICsJcmV0ID0gY29weV9jb250ZW50KG9iaiwgaTkxNSwgbWFwcGluZyk7Cj4gKwlpZiAo cmV0KQo+ICsJCWdvdG8gZXJyX2ZpbGU7Cj4gKwo+ICtzd2FwX3BhZ2VzOgo+ICsJc3RvbGVuX3Bh Z2VzID0gb2JqLT5wYWdlczsKPiArCW9iai0+cGFnZXMgPSBOVUxMOwo+ICsKPiArCW9iai0+YmFz ZS5maWxwID0gZmlsZTsKPiArCW9iai0+YmFzZS5yZWFkX2RvbWFpbnMgPSBJOTE1X0dFTV9ET01B SU5fQ1BVOwo+ICsJb2JqLT5iYXNlLndyaXRlX2RvbWFpbiA9IEk5MTVfR0VNX0RPTUFJTl9DUFU7 CgpBZ2FpbiwgdGhlc2UgZG9tYWlucyBhcmUgYSByZXN1bHQgb2YgY29weV9jb250ZW50LgoKPiAr Cj4gKwkvKiBSZWNyZWF0ZSBhbnkgcGlubmVkIGJpbmRpbmcgd2l0aCBwb2ludGVycyB0byB0aGUg bmV3IHN0b3JhZ2UgKi8KPiArCWlmICghbGlzdF9lbXB0eSgmb2JqLT52bWFfbGlzdCkpIHsKPiAr CQlyZXQgPSBpOTE1X2dlbV9vYmplY3RfZ2V0X3BhZ2VzX2d0dChvYmopOwo+ICsJCWlmIChyZXQp IHsKPiArCQkJb2JqLT5wYWdlcyA9IHN0b2xlbl9wYWdlczsKPiArCQkJZ290byBlcnJfZmlsZTsK PiArCQl9Cj4gKwo+ICsJCXJldCA9IGk5MTVfZ2VtX29iamVjdF9zZXRfdG9fZ3R0X2RvbWFpbihv YmosIHRydWUpOwoKV2h5PyBUaGUgcGFnZXMgYXJlIGFsbG9jYXRlZCwgdGhlIGRvbWFpbiBpcyBp cnJlbGV2YW50IChqdXN0IHNvIGxvbmcgYXMKaXQgaXMgYWNjdXJhdGUsIHNlZSBhYm92ZSkuCgo+ ICsJCW9iai0+Z2V0X3BhZ2Uuc2cgPSBvYmotPnBhZ2VzLT5zZ2w7Cj4gKwkJb2JqLT5nZXRfcGFn ZS5sYXN0ID0gMDsKPiArCj4gKwkJbGlzdF9mb3JfZWFjaF9lbnRyeSh2bWEsICZvYmotPnZtYV9s aXN0LCB2bWFfbGluaykgewo+ICsJCQlpZiAoIWRybV9tbV9ub2RlX2FsbG9jYXRlZCgmdm1hLT5u b2RlKSkKPiArCQkJCWNvbnRpbnVlOwo+ICsKPiArCQkJV0FSTl9PTihpOTE1X3ZtYV9iaW5kKHZt YSwKPiArCQkJCQkgICAgICBvYmotPmNhY2hlX2xldmVsLAo+ICsJCQkJCSAgICAgIFBJTl9VUERB VEUpKTsKPiArCQl9Cj4gKwl9IGVsc2UKPiArCQlsaXN0X2RlbCgmb2JqLT5nbG9iYWxfbGlzdCk7 CgpUaGlzIGlzIHZlcnkgY29uZnVzaW5nIChhbmQgd3JvbmcpLiBUaGlzIHNob3VsZCBvbmx5IGJl IGEgcmVzdWx0IG9mCnNldHRpbmcgUFVSR0VEIGFib3ZlLgoKPiArCS8qIGRyb3AgdGhlIHN0b2xl biBwaW4gYW5kIGJhY2tpbmcgKi8KPiArCXNobWVtZnNfcGFnZXMgPSBvYmotPnBhZ2VzOwo+ICsJ b2JqLT5wYWdlcyA9IHN0b2xlbl9wYWdlczsKPiArCj4gKwlpOTE1X2dlbV9vYmplY3RfdW5waW5f cGFnZXMob2JqKTsKPiArCW9iai0+b3BzLT5wdXRfcGFnZXMob2JqKTsKPiArCWlmIChvYmotPm9w cy0+cmVsZWFzZSkKPiArCQlvYmotPm9wcy0+cmVsZWFzZShvYmopOwo+ICsKPiArCW9iai0+b3Bz ID0gJmk5MTVfZ2VtX29iamVjdF9vcHM7Cj4gKwlvYmotPnBhZ2VzID0gc2htZW1mc19wYWdlczsK PiArCj4gKwlyZXR1cm4gMDsKPiArCj4gK2Vycl9maWxlOgo+ICsJZnB1dChmaWxlKTsKPiArCW9i ai0+YmFzZS5maWxwID0gTlVMTDsKPiArCXJldHVybiByZXQ7Cj4gK30KPiArCj4gK2ludAo+ICtp OTE1X2dlbV9mcmVlemUoc3RydWN0IGRybV9kZXZpY2UgKmRldikKPiArewo+ICsJLyogQ2FsbGVk IGJlZm9yZSBpOTE1X2dlbV9zdXNwZW5kKCkgd2hlbiBoaWJlcm5hdGluZyAqLwo+ICsJc3RydWN0 IGRybV9pOTE1X3ByaXZhdGUgKmk5MTUgPSB0b19pOTE1KGRldik7Cj4gKwlzdHJ1Y3QgZHJtX2k5 MTVfZ2VtX29iamVjdCAqb2JqLCAqdG1wOwo+ICsJc3RydWN0IGxpc3RfaGVhZCAqcGhhc2VbXSA9 IHsKPiArCQkmaTkxNS0+bW0udW5ib3VuZF9saXN0LCAmaTkxNS0+bW0uYm91bmRfbGlzdCwgTlVM TAo+ICsJfSwgKipwOwo+ICsJaW50IHJldDsKPiArCj4gKwlyZXQgPSBpOTE1X211dGV4X2xvY2tf aW50ZXJydXB0aWJsZShkZXYpOwo+ICsJaWYgKHJldCkKPiArCQlyZXR1cm4gcmV0OwoKV2hpdGVz cGFjZS4KLUNocmlzCgo+ICsJLyogQWNyb3NzIGhpYmVybmF0aW9uLCB0aGUgc3RvbGVuIGFyZWEg aXMgbm90IHByZXNlcnZlZC4KPiArCSAqIEFueXRoaW5nIGluc2lkZSBzdG9sZW4gbXVzdCBjb3Bp ZWQgYmFjayB0byBub3JtYWwKPiArCSAqIG1lbW9yeSBpZiB3ZSB3aXNoIHRvIHByZXNlcnZlIGl0 Lgo+ICsJICovCgotLSAKQ2hyaXMgV2lsc29uLCBJbnRlbCBPcGVuIFNvdXJjZSBUZWNobm9sb2d5 IENlbnRyZQpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJ bnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0 cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=