From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kuoppala Subject: Re: [PATCH] drm/i915: Flush the CSB pointer reset Date: Fri, 12 Apr 2019 15:42:30 +0300 Message-ID: <87h8b35r9l.fsf@gaia.fi.intel.com> References: <20190412110159.10495-1-chris@chris-wilson.co.uk> <87mukv5s7f.fsf@gaia.fi.intel.com> <155507213488.26471.6206165818702258304@skylake-alporthouse-com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id 616F8899B0 for ; Fri, 12 Apr 2019 12:42:51 +0000 (UTC) In-Reply-To: <155507213488.26471.6206165818702258304@skylake-alporthouse-com> 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 Q2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+IHdyaXRlczoKCj4gUXVvdGlu ZyBNaWthIEt1b3BwYWxhICgyMDE5LTA0LTEyIDEzOjIyOjEyKQo+PiBDaHJpcyBXaWxzb24gPGNo cmlzQGNocmlzLXdpbHNvbi5jby51az4gd3JpdGVzOgo+PiAKPj4gPiBUaGUgSFcgcmVzZXRzIGl0 IENTQiB0YWlsIHBvaW50ZXIgb24gcmVzZXR0aW5nIHRoZSBlbmdpbmUuIE1vc3Qgb2YgdGhlCj4+ ID4gdGltZS4gSW4gY2FzZSBpdCBkb2Vzbid0IChhbmQgZm9yIHN5c3RlbSByZXN1bWUpIHdlIHdy aXRlIHRoZSBleHBlY3RlZAo+PiA+IHZhbHVlIGFueXdheS4gRm9yIGV4dHJhIHBhcmFub2lhLCBm bHVzaCB0aGUgd3JpdGUgYmVmb3JlIHdlIGludmFsaWRhdGUKPj4gPiB0aGUgY2FjaGVsaW5lLgo+ PiA+Cj4+ID4gU2lnbmVkLW9mZi1ieTogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24u Y28udWs+Cj4+ID4gQ2M6IE1pa2EgS3VvcHBhbGEgPG1pa2Eua3VvcHBhbGFAbGludXguaW50ZWwu Y29tPgo+PiA+IC0tLQo+PiA+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9scmMuYyB8IDEg Kwo+PiA+ICAxIGZpbGUgY2hhbmdlZCwgMSBpbnNlcnRpb24oKykKPj4gPgo+PiA+IGRpZmYgLS1n aXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9scmMuYyBiL2RyaXZlcnMvZ3B1L2RybS9p OTE1L2ludGVsX2xyYy5jCj4+ID4gaW5kZXggM2NiNzg4YTIyM2VmLi40ZTBhMzUxYmZiY2EgMTAw NjQ0Cj4+ID4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfbHJjLmMKPj4gPiArKysg Yi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9scmMuYwo+PiA+IEBAIC0xODY2LDYgKzE4NjYs NyBAQCBzdGF0aWMgdm9pZCByZXNldF9jc2JfcG9pbnRlcnMoc3RydWN0IGludGVsX2VuZ2luZV9l eGVjbGlzdHMgKmV4ZWNsaXN0cykKPj4gPiAgICAgICAgKi8KPj4gPiAgICAgICBleGVjbGlzdHMt PmNzYl9oZWFkID0gcmVzZXRfdmFsdWU7Cj4+ID4gICAgICAgV1JJVEVfT05DRSgqZXhlY2xpc3Rz LT5jc2Jfd3JpdGUsIHJlc2V0X3ZhbHVlKTsKPj4gPiArICAgICB3bWIoKTsgLyogTWFrZSBzdXJl IHRoaXMgaXMgdmlzaWJsZSB0byBIVyAocGFyYW5vaWE/KSAqLwo+PiAKPj4gQXMgYWx0ZXJuYXRp dmUgdGhvLCBob3cgYWJvdXQgd2UgaW52YWxpZGF0ZSBub3Qgb25seSB0aGUgY3NiIHBvcnRpb24K Pj4gYnV0IHRoZSBhbGwgdGhpbmdzIGluY2x1ZGVkIGluIGhzd3AuCj4KPiBXZSBvbmx5IHB1bGwg dGhlIENTQiBpbnRvIHRoZSBjYWNoZS4gRWFzeSBleGN1c2UuCj4KPj4gVGhlbiByZWFkIHRoZSB0 aGUgbW1pbyB0YWlsL2hlYWQsCj4+IGFzc2VydCB0aGV5IGFyZSBwb2ludGluZyBjb3JyZWN0bHkg YW5kIG1hdGNoIGh3c3AsIGlmIG5vdCwgY29ycmVjdAo+PiBhbmQgbG9nPwo+Cj4gV2UndmUganVz dCByZXNldCB0aGUgR1BVLCB3ZSBrbm93IHRoZSBtbWlvIGFyZSBnYXJiYWdlIChwb3dlcmNvbnRl eHQpCj4gdW50aWwgdGhlIGZpcnN0IGludGVycnVwdCBhZnRlciBleGVjbGlzdHMgc3VibWlzc2lv bi4gUmVtZW1iZXIgdGhlIGZ1bgo+IHdlIHVzZWQgdG8gaGF2ZSB3aXRoIHRyYWNraW5nIHRoZSBp bnRlcnJ1cHQgYmVmb3JlIHJlYWRpbmcgdGhlIG1taW8/CgpUcnVlLCB0aGUgbW1pbyBpcyB1c2Vs ZXNzLiBXZSBjb3VsZCBmb3J0aWZ5IHRoZSBkZWJ1Z3Mgc28KdGhhdCB3ZSBleHBlY3QgZmlyc3Qg Y3NiIHdyaXRlIHRvIDAuIE5vdCB0aGF0IHdlIGRldGVjdGVkCml0IGFueXdheS4KCkkgd2FzIHRo aW5raW5nIHRoZSBzbWJfc3RvcmVfbWIoKSBidXQgSSBsaWtlIHRoZSB3bWIoKSBiZXR0ZXIKaW4g dGhpcyBjYXNlLiBFdmVyeXRoaW5nIGJlZm9yZSB0aGlzIHN5bmMgcG9pbnQgaW5zdGVhZCBvZgp0 aGlzIHZhcmlhYmxlLgoKQWNrZWQtYnk6IE1pa2EgS3VvcHBhbGEgPG1pa2Eua3VvcHBhbGFAbGlu dXguaW50ZWwuY29tPgoKPiAtQ2hyaXMKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJl ZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGlu Zm8vaW50ZWwtZ2Z4