From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joonas Lahtinen Subject: Re: [PATCH] drm/i915: Treat WC a separate cache domain Date: Fri, 07 Apr 2017 10:16:52 +0300 Message-ID: <1491549412.3493.6.camel@linux.intel.com> References: <20170405210741.29551-1-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1A4316EA34 for ; Fri, 7 Apr 2017 07:16:55 +0000 (UTC) In-Reply-To: <20170405210741.29551-1-chris@chris-wilson.co.uk> 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 List-Id: intel-gfx@lists.freedesktop.org T24ga2UsIDIwMTctMDQtMDUgYXQgMjI6MDcgKzAxMDAsIENocmlzIFdpbHNvbiB3cm90ZToKPiBX aGVuIGRpc2N1c3NpbmcgYSBuZXcgV0MgbW1hcCwgd2UgYmFzZWQgdGhlIGludGVyZmFjZSB1cG9u IHRoZQo+IGFzc3VtcHRpb24gdGhhdCBHVFQgd2FzIGZ1bGx5IGNvaGVyZW50LiBIb3cgbmFpdmUh IENvbW1pdHMgM2I1NzI0ZDcwMmVmCj4gKCJkcm0vaTkxNTogV2FpdCBmb3Igd3JpdGVzIHRocm91 Z2ggdGhlIEdUVCB0byBsYW5kIGJlZm9yZSByZWFkaW5nCj4gYmFjayIpIGFuZCBlZDQ1OTZlYTk5 MmQgKCJkcm0vaTkxNS9ndWM6IFdBIHRvIGFkZHJlc3MgdGhlIFJpbmdidWZmZXIKPiBjb2hlcmVu Y3kgaXNzdWUiKSBkZW1vbnN0cmF0ZSB0aGF0IHdyaXRlcyB0aHJvdWdoIHRoZSBHVFQgYXJlIGlu ZGVlZAo+IGRlbGF5ZWQgYW5kIG1heSBiZSBvdmVydGFrZW4gYnkgZGlyZWN0IFdDIGFjY2Vzcy4g VG8gYmUgc2FmZSwgaWYKPiB1c2Vyc3BhY2UgaXMgbWl4aW5nIFdDIG1tYXBzIHdpdGggb3RoZXIg cG90ZW50aWFsIEdUVCBhY2Nlc3MgKHB3cml0ZSwKPiBHVFQgbW1hcHMpIGl0IHNob3VsZCB1c2Ug c2V0X2RvbWFpbihXQykuCj4gCj4gQnVnemlsbGE6IGh0dHBzOi8vYnVncy5mcmVlZGVza3RvcC5v cmcvc2hvd19idWcuY2dpP2lkPTk2NTYzCj4gVGVzdGNhc2U6IGlndC9nZW1fcHdyaXRlL3NtYWxs LWd0dCoKPiBUZXN0Y2FzZTogaWd0L2Rydl9zZWxmdGVzdC9jb2hlcmVuY3kKPiBTaWduZWQtb2Zm LWJ5OiBDaHJpcyBXaWxzb24gPGNocmlzQGNocmlzLXdpbHNvbi5jby51az4KCjxTTklQPgoKPiAr aW50Cj4gK2k5MTVfZ2VtX29iamVjdF9zZXRfdG9fd2NfZG9tYWluKHN0cnVjdCBkcm1faTkxNV9n ZW1fb2JqZWN0ICpvYmosIGJvb2wgd3JpdGUpCj4gK3sKPiArCWludCByZXQ7Cj4gKwo+ICsJbG9j a2RlcF9hc3NlcnRfaGVsZCgmb2JqLT5iYXNlLmRldi0+c3RydWN0X211dGV4KTsKPiArCj4gPiAr CXJldCA9IGk5MTVfZ2VtX29iamVjdF93YWl0KG9iaiwKPiA+ICsJCQkJwqDCoMKgSTkxNV9XQUlU X0lOVEVSUlVQVElCTEUgfAo+ID4gKwkJCQnCoMKgwqBJOTE1X1dBSVRfTE9DS0VEIHwKPiArCQkJ CcKgwqDCoCh3cml0ZSA/IEk5MTVfV0FJVF9BTEwgOiAwKSwKCkNvdWxkIGNvbnN0cnVjdCBpbnRv IGZsYWdzIHZhcmlhYmxlLgoKPiArCS8qIEZsdXNoIGFuZCBhY3F1aXJlIG9iai0+cGFnZXMgc28g dGhhdCB3ZSBhcmUgY29oZXJlbnQgdGhyb3VnaAo+ICsJwqAqIGRpcmVjdCBhY2Nlc3MgaW4gbWVt b3J5IHdpdGggcHJldmlvdXMgY2FjaGVkIHdyaXRlcyB0aHJvdWdoCj4gKwnCoCogc2htZW1mcyBh bmQgdGhhdCBvdXIgY2FjaGUgZG9tYWluIHRyYWNraW5nIHJlbWFpbnMgdmFsaWQuCj4gKwnCoCog Rm9yIGV4YW1wbGUsIGlmIHRoZSBvYmotPmZpbHAgd2FzIG1vdmVkIHRvIHN3YXAgd2l0aG91dCB1 cwo+ICsJwqAqIGJlaW5nIG5vdGlmaWVkIGFuZCByZWxlYXNpbmcgdGhlIHBhZ2VzLCB3ZSB3b3Vs ZCBtaXN0YWtlbmx5Cj4gKwnCoCogY29udGludWUgdG8gYXNzdW1lIHRoYXQgdGhlIG9iaiByZW1h aW5lZCBvdXQgb2YgdGhlIENQVSBjYWNoZWQKPiArCcKgKiBkb21haW4uCj4gKwnCoCovCj4gKwly ZXQgPSBpOTE1X2dlbV9vYmplY3RfcGluX3BhZ2VzKG9iaik7Cj4gKwlpZiAocmV0KQo+ICsJCXJl dHVybiByZXQ7Cj4gKwo+ICsJaTkxNV9nZW1fb2JqZWN0X2ZsdXNoX2NwdV93cml0ZV9kb21haW4o b2JqKTsKPiArCWk5MTVfZ2VtX29iamVjdF9mbHVzaF9ndHRfd3JpdGVfZG9tYWluKG9iaik7CgpJ IHdhcyB0aGlua2luZyBpZiBXQyBzaG91bGQgYmUgYSAic3Vic3RhdGUiIG9mIENQVSBkb21haW4s IGJlY2F1c2Ugd2UKZG9uJ3QgaGF2ZcKgaTkxNV9nZW1fb2JqZWN0X2ZsdXNoX3djX3dyaXRlX2Rv bWFpbi4KClJldmlld2VkLWJ5OiBKb29uYXMgTGFodGluZW4gPGpvb25hcy5sYWh0aW5lbkBsaW51 eC5pbnRlbC5jb20+CgpSZWdhcmRzLCBKb29uYXMKLS0gCkpvb25hcyBMYWh0aW5lbgpPcGVuIFNv dXJjZSBUZWNobm9sb2d5IENlbnRlcgpJbnRlbCBDb3Jwb3JhdGlvbgpfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0Cklu dGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5v cmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK