From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH] drm/i915: Make sure DC writes are coherent on flush. Date: Thu, 14 Jan 2016 12:32:44 +0200 Message-ID: <87h9igxxgz.fsf@intel.com> References: <1452740379-3194-1-git-send-email-currojerez@riseup.net> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTP id 5DCB26E842 for ; Thu, 14 Jan 2016 02:32:46 -0800 (PST) In-Reply-To: <1452740379-3194-1-git-send-email-currojerez@riseup.net> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Francisco Jerez , intel-gfx@lists.freedesktop.org Cc: Rodrigo Vivi List-Id: intel-gfx@lists.freedesktop.org T24gVGh1LCAxNCBKYW4gMjAxNiwgRnJhbmNpc2NvIEplcmV6IDxjdXJyb2plcmV6QHJpc2V1cC5u ZXQ+IHdyb3RlOgo+IFdlIG5lZWQgdG8gc2V0IHRoZSBEQyBGTFVTSCBQSVBFX0NPTlRST0wgYml0 IG9uIEdlbjcrIHRvIGd1YXJhbnRlZQo+IHRoYXQgd3JpdGVzIHBlcmZvcm1lZCB2aWEgdGhlIEhE QyBhcmUgdmlzaWJsZSBpbiBtZW1vcnkuICBGaXhlcyBhbgo+IGludGVybWl0dGVudCBmYWlsdXJl IGluIGEgUGlnbGl0IHRlc3QgdGhhdCB3cml0ZXMgdG8gYSBCTyBmcm9tIGEKPiBzaGFkZXIgdXNp bmcgR0wgYXRvbWljIGNvdW50ZXJzIChpbXBsZW1lbnRlZCBhcyBIREMgdW50eXBlZCBhdG9taWNz KQo+IGFuZCB0aGVuIGV4cGVjdHMgdGhlIG1lbW9yeSB0byByZWFkIGJhY2sgdGhlIHNhbWUgdmFs dWUgYWZ0ZXIgbWFwcGluZwo+IGl0IG9uIHRoZSBDUFUuCj4KPiBCdWd6aWxsYTogaHR0cHM6Ly9i dWdzLmZyZWVkZXNrdG9wLm9yZy9zaG93X2J1Zy5jZ2k/aWQ9OTEyOTgKPiBUZXN0ZWQtYnk6IE1h cmsgSmFuZXMgPG1hcmsuYS5qYW5lc0BpbnRlbC5jb20+Cj4gQ2M6IFJvZHJpZ28gVml2aSA8cm9k cmlnby52aXZpQGludGVsLmNvbT4KCkZyYW5jaXNjbywgdGhpcyBpcyBtaXNzaW5nIHlvdXIgU2ln bmVkLW9mZi1ieSBpLmUuIGRldmVsb3BlciBjZXJ0aWZpY2F0ZQpvZiBvcmlnaW4gaHR0cDovL2Rl dmVsb3BlcmNlcnRpZmljYXRlLm9yZy8gLSBjYW4ndCBwdXNoIHdpdGhvdXQuIFBsZWFzZQpyZXBs eSB3aXRoIHRoYXQuCgpCUiwKSmFuaS4KCgo+IC0tLQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9p bnRlbF9scmMuYyAgICAgICAgfCAxICsKPiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcmlu Z2J1ZmZlci5jIHwgMiArKwo+ICAyIGZpbGVzIGNoYW5nZWQsIDMgaW5zZXJ0aW9ucygrKQo+Cj4g ZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2xyYy5jIGIvZHJpdmVycy9n cHUvZHJtL2k5MTUvaW50ZWxfbHJjLmMKPiBpbmRleCBhYjM0NGUwLi4wMjIxM2M2IDEwMDY0NAo+ IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2xyYy5jCj4gKysrIGIvZHJpdmVycy9n cHUvZHJtL2k5MTUvaW50ZWxfbHJjLmMKPiBAQCAtMTczNSw2ICsxNzM1LDcgQEAgc3RhdGljIGlu dCBnZW44X2VtaXRfZmx1c2hfcmVuZGVyKHN0cnVjdCBkcm1faTkxNV9nZW1fcmVxdWVzdCAqcmVx dWVzdCwKPiAgCWlmIChmbHVzaF9kb21haW5zKSB7Cj4gIAkJZmxhZ3MgfD0gUElQRV9DT05UUk9M X1JFTkRFUl9UQVJHRVRfQ0FDSEVfRkxVU0g7Cj4gIAkJZmxhZ3MgfD0gUElQRV9DT05UUk9MX0RF UFRIX0NBQ0hFX0ZMVVNIOwo+ICsJCWZsYWdzIHw9IFBJUEVfQ09OVFJPTF9EQ19GTFVTSF9FTkFC TEU7Cj4gIAkJZmxhZ3MgfD0gUElQRV9DT05UUk9MX0ZMVVNIX0VOQUJMRTsKPiAgCX0KPiAgCj4g ZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3JpbmdidWZmZXIuYyBiL2Ry aXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3JpbmdidWZmZXIuYwo+IGluZGV4IDQwNjBhY2YuLjhj ZDhhYWIgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcmluZ2J1ZmZl ci5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcmluZ2J1ZmZlci5jCj4gQEAg LTMzMSw2ICszMzEsNyBAQCBnZW43X3JlbmRlcl9yaW5nX2ZsdXNoKHN0cnVjdCBkcm1faTkxNV9n ZW1fcmVxdWVzdCAqcmVxLAo+ICAJaWYgKGZsdXNoX2RvbWFpbnMpIHsKPiAgCQlmbGFncyB8PSBQ SVBFX0NPTlRST0xfUkVOREVSX1RBUkdFVF9DQUNIRV9GTFVTSDsKPiAgCQlmbGFncyB8PSBQSVBF X0NPTlRST0xfREVQVEhfQ0FDSEVfRkxVU0g7Cj4gKwkJZmxhZ3MgfD0gUElQRV9DT05UUk9MX0RD X0ZMVVNIX0VOQUJMRTsKPiAgCQlmbGFncyB8PSBQSVBFX0NPTlRST0xfRkxVU0hfRU5BQkxFOwo+ ICAJfQo+ICAJaWYgKGludmFsaWRhdGVfZG9tYWlucykgewo+IEBAIC00MDMsNiArNDA0LDcgQEAg Z2VuOF9yZW5kZXJfcmluZ19mbHVzaChzdHJ1Y3QgZHJtX2k5MTVfZ2VtX3JlcXVlc3QgKnJlcSwK PiAgCWlmIChmbHVzaF9kb21haW5zKSB7Cj4gIAkJZmxhZ3MgfD0gUElQRV9DT05UUk9MX1JFTkRF Ul9UQVJHRVRfQ0FDSEVfRkxVU0g7Cj4gIAkJZmxhZ3MgfD0gUElQRV9DT05UUk9MX0RFUFRIX0NB Q0hFX0ZMVVNIOwo+ICsJCWZsYWdzIHw9IFBJUEVfQ09OVFJPTF9EQ19GTFVTSF9FTkFCTEU7Cj4g IAkJZmxhZ3MgfD0gUElQRV9DT05UUk9MX0ZMVVNIX0VOQUJMRTsKPiAgCX0KPiAgCWlmIChpbnZh bGlkYXRlX2RvbWFpbnMpIHsKCi0tIApKYW5pIE5pa3VsYSwgSW50ZWwgT3BlbiBTb3VyY2UgVGVj aG5vbG9neSBDZW50ZXIKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Au b3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1n ZngK