From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave Gordon Subject: Re: [PATCH 017/190] drm/i915: Remove forcewake dance from seqno/irq barrier on legacy gen6+ Date: Mon, 11 Jan 2016 14:02:41 +0000 Message-ID: <5693B601.7060205@intel.com> References: <1452503961-14837-1-git-send-email-chris@chris-wilson.co.uk> <1452503961-14837-17-git-send-email-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTP id C6BBB6E4DD for ; Mon, 11 Jan 2016 06:02:43 -0800 (PST) In-Reply-To: <1452503961-14837-17-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 , intel-gfx@lists.freedesktop.org Cc: Daniel Vetter List-Id: intel-gfx@lists.freedesktop.org T24gMTEvMDEvMTYgMDk6MTYsIENocmlzIFdpbHNvbiB3cm90ZToKPiBJbiBvcmRlciB0byBlbnN1 cmUgc2Vxbm8vaXJxIGNvaGVyZW5jeSwgd2UgY3VycmVudCByZWFkIGEgcmluZyByZWdpc3Rlci4K PiBXZSBhcmUgbm90IHN1cmUgcXVpdGUgaG93IGl0IHdvcmtzLCBvbmx5IHRoYXQgaXMgZG9lcy4g RXhwZXJpbWVudHMgc2hvdwo+IHRoYXQgZS5nLiBkb2luZyBhIGNsZmx1c2goc2Vxbm8pIGluc3Rl YWQgaXMgbm90IHN1ZmZpY2llbnQsIGJ1dCB3ZSBjYW4KPiByZW1vdmUgdGhlIGZvcmNld2FrZSBk YW5jZSBmcm9tIHRoZSBtbWlvIGFjY2Vzcy4KPgo+IHYyOiBCYXl0cmFpbCB3YW50cyBhIGNsZmx1 c2ggdG9vLgo+Cj4gU2lnbmVkLW9mZi1ieTogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxz b24uY28udWs+Cj4gQ2M6IERhbmllbCBWZXR0ZXIgPGRhbmllbC52ZXR0ZXJAZmZ3bGwuY2g+Cj4g LS0tCj4gICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9yaW5nYnVmZmVyLmMgfCAxNSArKysr KysrKysrKysrLS0KPiAgIDEgZmlsZSBjaGFuZ2VkLCAxMyBpbnNlcnRpb25zKCspLCAyIGRlbGV0 aW9ucygtKQo+Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3Jpbmdi dWZmZXIuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3JpbmdidWZmZXIuYwo+IGluZGV4 IDk5NzgwYjY3NDMxMS4uYTFkNDNiMmM3MDc3IDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2ludGVsX3JpbmdidWZmZXIuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2lu dGVsX3JpbmdidWZmZXIuYwo+IEBAIC0xNDkwLDEwICsxNDkwLDIxIEBAIGdlbjZfcmluZ19nZXRf c2Vxbm8oc3RydWN0IGludGVsX2VuZ2luZV9jcyAqcmluZywgYm9vbCBsYXp5X2NvaGVyZW5jeSkK PiAgIHsKPiAgIAkvKiBXb3JrYXJvdW5kIHRvIGZvcmNlIGNvcnJlY3Qgb3JkZXJpbmcgYmV0d2Vl biBpcnEgYW5kIHNlcW5vIHdyaXRlcyBvbgo+ICAgCSAqIGl2YiAoYW5kIG1heWJlIGFsc28gb24g c25iKSBieSByZWFkaW5nIGZyb20gYSBDUyByZWdpc3RlciAobGlrZQo+IC0JICogQUNUSEQpIGJl Zm9yZSByZWFkaW5nIHRoZSBzdGF0dXMgcGFnZS4gKi8KPiArCSAqIEFDVEhEKSBiZWZvcmUgcmVh ZGluZyB0aGUgc3RhdHVzIHBhZ2UuCj4gKwkgKgo+ICsJICogTm90ZSB0aGF0IHRoaXMgZWZmZWN0 aXZlbHkgZWZmZWN0aXZlbHkgc3RhbGxzIHRoZSByZWFkIGJ5IHRoZSB0aW1lCj4gKwkgKiBpdCB0 YWtlcyB0byBkbyBhIG1lbW9yeSB0cmFuc2FjdGlvbiwgd2hpY2ggbW9yZSBvciBsZXNzIGVuc3Vy ZXMKPiArCSAqIHRoYXQgdGhlIHdyaXRlIGZyb20gdGhlIEdQVSBoYXMgc3VmZmljaWVudCB0aW1l IHRvIGludmFsaWRhdGUKPiArCSAqIHRoZSBDUFUgY2FjaGVsaW5lLiBBbHRlcm5hdGl2ZWx5IHdl IGNvdWxkIGRlbGF5IHRoZSBpbnRlcnJ1cHQgZnJvbQo+ICsJICogdGhlIENTIHJpbmcgdG8gZ2l2 ZSB0aGUgd3JpdGUgdGltZSB0byBsYW5kLCBidXQgdGhhdCB3b3VsZCBpbmN1cgo+ICsJICogYSBk ZWxheSBhZnRlciBldmVyeSBiYXRjaCBpLmUuIG11Y2ggbW9yZSBmcmVxdWVudCB0aGFuIGEgZGVs YXkKPiArCSAqIHdoZW4gd2FpdGluZyBmb3IgdGhlIGludGVycnVwdCAod2l0aCB0aGUgc2FtZSBu ZXQgbGF0ZW5jeSkuCj4gKwkgKi8KPiAgIAlpZiAoIWxhenlfY29oZXJlbmN5KSB7Cj4gICAJCXN0 cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdiA9IHJpbmctPmRldi0+ZGV2X3ByaXZhdGU7 Cj4gLQkJUE9TVElOR19SRUFEKFJJTkdfQUNUSEQocmluZy0+bW1pb19iYXNlKSk7Cj4gKwkJUE9T VElOR19SRUFEX0ZXKFJJTkdfQUNUSEQocmluZy0+bW1pb19iYXNlKSk7Cj4gKwo+ICsJCWludGVs X2ZsdXNoX3N0YXR1c19wYWdlKHJpbmcsIEk5MTVfR0VNX0hXU19JTkRFWCk7Cj4gICAJfQo+Cj4g ICAJcmV0dXJuIGludGVsX3JlYWRfc3RhdHVzX3BhZ2UocmluZywgSTkxNV9HRU1fSFdTX0lOREVY KTsKCldlbGwsIEkgZ2VuZXJhbGx5IGxpa2UgdGhpcywgYnV0IG15IHByZXZpb3VzIHF1ZXN0aW9u cyBvZiAyMDE1LTAxLTA1IAp3ZXJlIG5vdCBhbnN3ZXJlZDoKCj4gSG1tIC4uLiB3b3VsZCBwdXR0 aW5nIHRoZSBmbHVzaCAvYmVmb3JlLyB0aGUgUE9TVElOR19SRUFEIGJlIGJldHRlcj8KPgo+IERl cGVuZGluZyBvbiBob3cgdGhlIGgvdyBpbXBsZW1lbnRzIHRoZSBjYWNoZWxpbmUgaW52YWxpZGF0 aW9uLCBpdAogPiBtaWdodCBhbGxvdyBzb21lIG92ZXJsYXAgYmV0d2VlbiB0aGUgY2FjaGUgY29u dHJvbGxlcidzIGludGVybmFsCiA+IGFjdGl2aXRpZXMgYW5kIHRoZSBNTUlPIGN5Y2xlIC4uLgo+ Cj4gQWxzbywgcHJldmlvdXNseSB3ZSBvbmx5IGhhZCB0aGUgZmx1c2ggb24gQlhULCB3aGVyZWFz IG5vdyB5b3UncmUKID4gZG9pbmcgaXQgb24gYWxsIGdlbjYrLiBJIHRoaW5rIHRoaXMgaXMgcHJv YmFibHkgYSBnb29kIHRoaW5nLCBidXQganVzdAogPiB3b25kZXJlZCB3aGV0aGVyIHRoZXJlJ3Mg YW55IGRvd25zaWRlIHRvIGl0Pwo+Cj4gQWxzbyAuLi4gYXJlIHdlIHN1cmUgdGhhdCBuby1vbmUg Y2FsbHMgdGhpcyB3aXRob3V0IGhhdmluZyBhCj4gZm9yY2V3YWtlICBpbiBlZmZlY3QgYXQgdGhl IHRpbWUsIGluIHBhcnRpY3VsYXIgZGVidWdmcz8gT3IgaXMgaXQgbm90CiA+IGdvaW5nIHRvIGVu ZCB1cCBnb2luZyB0aHJvdWdoIGhlcmUgb25jZSBsYXp5X2NvaGVyZW5jeSBpcyBhYm9saXNoZWQ/ CgouRGF2ZS4KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f CkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpo dHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==