From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kuoppala Subject: Re: [PATCH 1/2] drm/i915/execlists: Add a paranoid flush of the CSB pointers upon reset Date: Thu, 12 Sep 2019 11:27:56 +0300 Message-ID: <87muf9syur.fsf@gaia.fi.intel.com> References: <20190912070925.11526-1-chris@chris-wilson.co.uk> <87pnk6rlyt.fsf@gaia.fi.intel.com> <156827549301.4926.3480311664455647255@skylake-alporthouse-com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3B5D06EC59 for ; Thu, 12 Sep 2019 08:28:13 +0000 (UTC) In-Reply-To: <156827549301.4926.3480311664455647255@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 ZyBNaWthIEt1b3BwYWxhICgyMDE5LTA5LTEyIDA4OjUxOjM4KQo+PiBDaHJpcyBXaWxzb24gPGNo cmlzQGNocmlzLXdpbHNvbi5jby51az4gd3JpdGVzOgo+PiAKPj4gPiBBZnRlciBhIEdQVSByZXNl dCwgd2UgbmVlZCB0byBkcmFpbiBhbGwgdGhlIENTIGV2ZW50cyBzbyB0aGF0IHdlIGhhdmUgYW4K Pj4gPiBhY2N1cmF0ZSBwaWN0dXJlIG9mIHRoZSBleGVjbGlzdHMgc3RhdGUgYXQgdGhlIHRpbWUg b2YgdGhlIHJlc2V0LiBCZQo+PiA+IHBhcmFub2lkIGFuZCBmb3JjZSBhIHJlYWQgb2YgdGhlIENT QiB3cml0ZSBwb2ludGVyIGZyb20gbWVtb3J5Lgo+PiA+Cj4+ID4gU2lnbmVkLW9mZi1ieTogQ2hy aXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+Cj4+ID4gQ2M6IE1pa2EgS3VvcHBh bGEgPG1pa2Eua3VvcHBhbGFAbGludXguaW50ZWwuY29tPgo+PiA+IC0tLQo+PiA+ICBkcml2ZXJz L2dwdS9kcm0vaTkxNS9ndC9pbnRlbF9scmMuYyB8IDQgKysrKwo+PiA+ICAxIGZpbGUgY2hhbmdl ZCwgNCBpbnNlcnRpb25zKCspCj4+ID4KPj4gPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJt L2k5MTUvZ3QvaW50ZWxfbHJjLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9ndC9pbnRlbF9scmMu Ywo+PiA+IGluZGV4IDNkODNjN2UwZDlkZS4uNjFhMzhhNGNjYmNhIDEwMDY0NAo+PiA+IC0tLSBh L2RyaXZlcnMvZ3B1L2RybS9pOTE1L2d0L2ludGVsX2xyYy5jCj4+ID4gKysrIGIvZHJpdmVycy9n cHUvZHJtL2k5MTUvZ3QvaW50ZWxfbHJjLmMKPj4gPiBAQCAtMjgzNiw2ICsyODM2LDEwIEBAIHN0 YXRpYyB2b2lkIF9fZXhlY2xpc3RzX3Jlc2V0KHN0cnVjdCBpbnRlbF9lbmdpbmVfY3MgKmVuZ2lu ZSwgYm9vbCBzdGFsbGVkKQo+PiA+ICAgICAgIHN0cnVjdCBpOTE1X3JlcXVlc3QgKnJxOwo+PiA+ ICAgICAgIHUzMiAqcmVnczsKPj4gPiAgCj4+ID4gKyAgICAgbWIoKTsgLyogcGFyYW5vaWE6IHJl YWQgdGhlIENTQiBwb2ludGVycyBmcm9tIGFmdGVyIHRoZSByZXNldCAqLwo+PiA+ICsgICAgIGNs Zmx1c2goZXhlY2xpc3RzLT5jc2Jfd3JpdGUpOwo+PiA+ICsgICAgIG1iKCk7Cj4+ID4gKwo+PiAK Pj4gV2Uga25vdyB0aGVyZSBpcyBhbHdheXMgYSBjb3N0LiBXZSBkbyBpbnZhbGlkYXRlIHRoZSBj c2IKPj4gb24gZWFjaCBwYXNzIG9uIHByb2Nlc3NfY3NiLgo+PiAKPj4gQWRkIGNzYl93cml0ZSBp biB0byBpbnZhbGlkYXRlX2NzYiBlbnRyaWVzIGFsb25nCj4+IHdpdGggbWJzLiBSZW5hbWUgaXQg dG8gaW52YWxpZGF0ZV9jc2IgYW5kIHVzZSBpdAo+PiBhbHdheXM/Cj4+IAo+PiBCeSBkb2luZyBz bywgd2UgY291bGQgcHJvbGx5IHRocm93IG91dCB0aGUgcm1iKCkgYXQKPj4gdGhlIHN0YXJ0IG9m IHRoZSBwcm9jZXNzX2NzYiBhcyB3ZSB3b3VsZCBoYXZlIGludmFsaWRhdGVkCj4+IHRoZSB3cml0 ZSBwb2ludGVyIGFsb25nIHdpdGggdGhlIGVudHJpZXMgd2UgcmVhZCwKPj4gb24gcHJldmlvdXMg cGFzcy4KPgo+IE5vLiBUaGF0IHJtYiBpcyBlc3NlbnRpYWwgZm9yIHRoZSByZWFkIG9yZGVyaW5n IGF0IHRoYXQgbW9tZW50IGluIHRpbWUuCgpBaCB5ZXMgaW5kZWVkIGl0IGlzLiBoZWFkIHZzIGVu dHJpZXMgY29oZXJlbmN5LgoKPgo+IEFsbCBJIGhhdmUgaW4gbWluZCBoZXJlIGlzIGEgZGVsYXks IG5vdCByZWFsbHkgYSBiYXJyaWVyIHBlciBzZSwganVzdAo+IHRoaXMgaXMgYSBuaWNlIHdheSBv ZiBzYXlpbmcgbm8gc3BlY3VsYXRpb24gZWl0aGVyLgoKRm9yZ2V0dGluZyB0aGUgcm1iKCksIHRo ZXJlIGlzIHNpbWlsYXIgcGF0dGVybiBvZiBtYigpK2ZsdXNoCmVsc2V3aGVyZS4gSnVzdCBzYXcg dGhlIHByb2ZpbGlmZXJhdGlvbiBhbmQgb3Bwb3J0dW5pdHkgdG8gY29udmVyZ2UuCgpCdXQgc3lu Y2luZyB3aXRoIHRoZSBoYXJkd2FyZSBvbiBtb21lbnQgb2YgcmVzZXQsIHRoaXMgc2hvdWxkCmRv LgoKUmV2aWV3ZWQtYnk6IE1pa2EgS3VvcHBhbGEgPG1pa2Eua3VvcHBhbGFAbGludXguaW50ZWwu Y29tPgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRl bC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6 Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZng=