From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH v2 3/6] drm/i915: Use WC copies on !llc platforms for the command parser Date: Fri, 20 Nov 2015 17:05:05 +0200 Message-ID: <20151120150505.GN4437@intel.com> References: <1448016961-25331-1-git-send-email-chris@chris-wilson.co.uk> <1448016961-25331-4-git-send-email-chris@chris-wilson.co.uk> 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 ESMTP id 281E56E6DF for ; Fri, 20 Nov 2015 07:05:18 -0800 (PST) Content-Disposition: inline In-Reply-To: <1448016961-25331-4-git-send-email-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 Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gRnJpLCBOb3YgMjAsIDIwMTUgYXQgMTA6NTU6NThBTSArMDAwMCwgQ2hyaXMgV2lsc29uIHdy b3RlOgo+IFNpbmNlIHdlIGJsb3cgdGhlIFRMQiBjYWNoZXMgYnkgdXNpbmcga21hcC9rdW5tYXAs IHdlIG1heSBhcyB3ZWxsIGdvIHRoZQo+IHdob2xlIGhvZyBhbmQgc2VlIGlmIGRlY2xhcmluZyBv dXIgZGVzdGluYXRpb24gcGFnZSBhcyBXQyBpcyBmYXN0ZXIgdGhhbgo+IGtlZXBpbmcgaXQgYXMg V0IgYW5kIHVzaW5nIGNsZmx1c2guIEl0IHNob3VsZCBiZSEKCklzIHRoaXMgZGVzY3JpcHRpb24g Zm9yIGFub3RoZXIgcGF0Y2g/IEkgY2FuJ3Qgc2VlIGFueSBXQyBzdHVmZiBpbgp0aGVyZS4KCj4g Cj4gU2lnbmVkLW9mZi1ieTogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+ Cj4gLS0tCj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfY21kX3BhcnNlci5jIHwgMTkgKysr KysrKysrKysrKysrLS0tLQo+ICAxIGZpbGUgY2hhbmdlZCwgMTUgaW5zZXJ0aW9ucygrKSwgNCBk ZWxldGlvbnMoLSkKPiAKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9j bWRfcGFyc2VyLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2NtZF9wYXJzZXIuYwo+IGlu ZGV4IGM2ZjZkOWYyYjJjZS4uNGEzZTkwYjA0MmM1IDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1 L2RybS9pOTE1L2k5MTVfY21kX3BhcnNlci5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUv aTkxNV9jbWRfcGFyc2VyLmMKPiBAQCAtOTkyLDkgKzk5MiwxMCBAQCBpbnQgaTkxNV9wYXJzZV9j bWRzKHN0cnVjdCBpbnRlbF9lbmdpbmVfY3MgKnJpbmcsCj4gIAljb25zdCBzdHJ1Y3QgZHJtX2k5 MTVfY21kX2Rlc2NyaXB0b3IgKmRlc2MgPSAmZGVmYXVsdF9kZXNjOwo+ICAJdTMyIGxhc3RfY21k X2hlYWRlciA9IDA7Cj4gIAl1bnNpZ25lZCBkc3RfaXRlciwgc3JjX2l0ZXI7Cj4gLQlpbnQgbmVl ZHNfY2xmbHVzaCA9IDA7Cj4gIAlzdHJ1Y3QgZ2V0X3BhZ2UgcmV3aW5kOwo+ICAJdm9pZCAqc3Jj LCAqZHN0LCAqdG1wOwo+ICsJaW50IHNyY19uZWVkc19jbGZsdXNoID0gMDsKPiArCWJvb2wgZHN0 X25lZWRzX2NsZmx1c2g7Cj4gIAl1MzIgcGFydGlhbCwgbGVuZ3RoID0gMTsKPiAgCXVuc2lnbmVk IGluLCBvdXQ7Cj4gIAlib29sIG9hY29udHJvbF9zZXQgPSBmYWxzZTsgLyogT0FDT05UUk9MIHRy YWNraW5nLiBTZWUgY2hlY2tfY21kKCkgKi8KPiBAQCAtMTAwNywxMyArMTAwOCwxOSBAQCBpbnQg aTkxNV9wYXJzZV9jbWRzKHN0cnVjdCBpbnRlbF9lbmdpbmVfY3MgKnJpbmcsCj4gIAlpZiAoV0FS Tl9PTihzaGFkb3dfYmF0Y2hfb2JqLT5wYWdlc19waW5fY291bnQgPT0gMCkpCj4gIAkJcmV0dXJu IC1FTk9ERVY7Cj4gIAo+IC0JcmV0ID0gaTkxNV9nZW1fb2JqX3ByZXBhcmVfc2htZW1fcmVhZChi YXRjaF9vYmosICZuZWVkc19jbGZsdXNoKTsKPiArCXJldCA9IGk5MTVfZ2VtX29ial9wcmVwYXJl X3NobWVtX3JlYWQoYmF0Y2hfb2JqLCAmc3JjX25lZWRzX2NsZmx1c2gpOwo+ICAJaWYgKHJldCkg ewo+ICAJCURSTV9ERUJVR19EUklWRVIoIkNNRDogZmFpbGVkIHRvIHByZXBhcmUgc2hhZG93IGJh dGNoXG4iKTsKPiAgCQlyZXR1cm4gcmV0Owo+ICAJfQo+ICAKPiAtCXJldCA9IGk5MTVfZ2VtX29i amVjdF9zZXRfdG9fY3B1X2RvbWFpbihzaGFkb3dfYmF0Y2hfb2JqLCB0cnVlKTsKPiArCWRzdF9u ZWVkc19jbGZsdXNoID0KPiArCQlzaGFkb3dfYmF0Y2hfb2JqLT5iYXNlLndyaXRlX2RvbWFpbiAh PSBJOTE1X0dFTV9ET01BSU5fQ1BVICYmCj4gKwkJIUlOVEVMX0lORk8oc2hhZG93X2JhdGNoX29i ai0+YmFzZS5kZXYpLT5oYXNfbGxjOwo+ICsJaWYgKGRzdF9uZWVkc19jbGZsdXNoKQo+ICsJCXJl dCA9IGk5MTVfZ2VtX29iamVjdF9zZXRfdG9fZ3R0X2RvbWFpbihzaGFkb3dfYmF0Y2hfb2JqLCB0 cnVlKTsKPiArCWVsc2UKPiArCQlyZXQgPSBpOTE1X2dlbV9vYmplY3Rfc2V0X3RvX2NwdV9kb21h aW4oc2hhZG93X2JhdGNoX29iaiwgdHJ1ZSk7Cj4gIAlpZiAocmV0KSB7Cj4gIAkJRFJNX0RFQlVH X0RSSVZFUigiQ01EOiBGYWlsZWQgdG8gc2V0IHNoYWRvdyBiYXRjaCB0byBDUFVcbiIpOwo+ICAJ CWdvdG8gdW5waW47Cj4gQEAgLTEwNDgsNyArMTA1NSw3IEBAIGludCBpOTE1X3BhcnNlX2NtZHMo c3RydWN0IGludGVsX2VuZ2luZV9jcyAqcmluZywKPiAgCQkJdGhpcyA9IFBBR0VfU0laRSAtIGlu Owo+ICAKPiAgCQlzcmMgPSBrbWFwX2F0b21pYyhpOTE1X2dlbV9vYmplY3RfZ2V0X3BhZ2UoYmF0 Y2hfb2JqLCBzcmNfaXRlcikpOwo+IC0JCWlmIChuZWVkc19jbGZsdXNoKQo+ICsJCWlmIChzcmNf bmVlZHNfY2xmbHVzaCkKPiAgCQkJZHJtX2NsZmx1c2hfdmlydF9yYW5nZShzcmMgKyBpbiwgdGhp cyk7Cj4gIAo+ICAJCWlmICh0aGlzID09IFBBR0VfU0laRSAmJiBwYXJ0aWFsID09IDApCj4gQEAg LTExNTEsNiArMTE1OCw4IEBAIGludCBpOTE1X3BhcnNlX2NtZHMoc3RydWN0IGludGVsX2VuZ2lu ZV9jcyAqcmluZywKPiAgCQkJCWludCBsZW47Cj4gIAo+ICAJCQkJaWYgKG91dCA9PSBQQUdFX1NJ WkUpIHsKPiArCQkJCQlpZiAoZHN0X25lZWRzX2NsZmx1c2gpCj4gKwkJCQkJCWRybV9jbGZsdXNo X3ZpcnRfcmFuZ2UoZHN0LCBQQUdFX1NJWkUpOwo+ICAJCQkJCWt1bm1hcF9hdG9taWMoZHN0KTsK PiAgCQkJCQlkc3QgPSBrbWFwX2F0b21pYyhpOTE1X2dlbV9vYmplY3RfZ2V0X3BhZ2Uoc2hhZG93 X2JhdGNoX29iaiwgKytkc3RfaXRlcikpOwo+ICAJCQkJCW91dCA9IDA7Cj4gQEAgLTExNzksNiAr MTE4OCw4IEBAIGludCBpOTE1X3BhcnNlX2NtZHMoc3RydWN0IGludGVsX2VuZ2luZV9jcyAqcmlu ZywKPiAgCQlrdW5tYXBfYXRvbWljKHNyYyk7Cj4gIAkJaW4gPSAwOwo+ICAJfQo+ICsJaWYgKGRz dF9uZWVkc19jbGZsdXNoKQo+ICsJCWRybV9jbGZsdXNoX3ZpcnRfcmFuZ2UoZHN0LCBvdXQpOwo+ ICB1bm1hcDoKPiAgCWt1bm1hcF9hdG9taWMoc3JjKTsKPiAgCWt1bm1hcF9hdG9taWMoZHN0KTsK PiAtLSAKPiAyLjYuMgo+IAo+IF9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fCj4gSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdAo+IEludGVsLWdmeEBsaXN0cy5mcmVl ZGVza3RvcC5vcmcKPiBodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGlu Zm8vaW50ZWwtZ2Z4CgotLSAKVmlsbGUgU3lyasOkbMOkCkludGVsIE9UQwpfX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0 CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9w Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=