From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kuoppala Subject: Re: [PATCH] drm/i915/execlists: Poison the CSB after use Date: Tue, 30 Oct 2018 11:59:18 +0200 Message-ID: <874ld3iwll.fsf@gaia.fi.intel.com> References: <20181029192613.13551-1-chris@chris-wilson.co.uk> <877ehzixv7.fsf@gaia.fi.intel.com> <154089223504.1910.2137488331499721268@skylake-alporthouse-com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id E58236E028 for ; Tue, 30 Oct 2018 09:59:56 +0000 (UTC) In-Reply-To: <154089223504.1910.2137488331499721268@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 ZyBNaWthIEt1b3BwYWxhICgyMDE4LTEwLTMwIDA5OjMxOjU2KQo+PiBDaHJpcyBXaWxzb24gPGNo cmlzQGNocmlzLXdpbHNvbi5jby51az4gd3JpdGVzOgo+PiAKPj4gPiBBZnRlciByZWFkaW5nIHRo ZSBldmVudCBzdGF0dXMgZnJvbSB0aGUgQ1NCLCB3cml0ZSBiYWNrIDAgKGFuIGludmFsaWQKPj4g PiB2YWx1ZSkgc28gd2UgY2FuIGRldGVjdCBpZiB0aGUgSFcgc2hvdWxkIHNpZ25hbCBhIG5ldyBl dmVudCB3aXRob3V0Cj4+ID4gd3JpdGluZyB0aGUgZXZlbnQgaW4gdGhlIGZ1dHVyZS4KPj4gPgo+ PiA+IFJlZmVyZW5jZXM6IGh0dHBzOi8vYnVncy5mcmVlZGVza3RvcC5vcmcvc2hvd19idWcuY2dp P2lkPTEwODMxNQo+PiA+IFNpZ25lZC1vZmYtYnk6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMt d2lsc29uLmNvLnVrPgo+PiA+IENjOiBNaWthIEt1b3BwYWxhIDxtaWthLmt1b3BwYWxhQGxpbnV4 LmludGVsLmNvbT4KPj4gPiAtLS0KPj4gPiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfbHJj LmMgfCAzICsrKwo+PiA+ICAxIGZpbGUgY2hhbmdlZCwgMyBpbnNlcnRpb25zKCspCj4+ID4KPj4g PiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfbHJjLmMgYi9kcml2ZXJz L2dwdS9kcm0vaTkxNS9pbnRlbF9scmMuYwo+PiA+IGluZGV4IDIyYjU3Yjg5MjZmYy4uMTI2ZWZl MjBkMmQ2IDEwMDY0NAo+PiA+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2xyYy5j Cj4+ID4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfbHJjLmMKPj4gPiBAQCAtOTEw LDYgKzkxMCw5IEBAIHN0YXRpYyB2b2lkIHByb2Nlc3NfY3NiKHN0cnVjdCBpbnRlbF9lbmdpbmVf Y3MgKmVuZ2luZSkKPj4gPiAgICAgICAgICAgICAgICAgICAgICAgICBleGVjbGlzdHMtPmFjdGl2 ZSk7Cj4+ID4gIAo+PiA+ICAgICAgICAgICAgICAgc3RhdHVzID0gYnVmWzIgKiBoZWFkXTsKPj4g PiArICAgICAgICAgICAgIEdFTV9CVUdfT04oIXN0YXR1cyk7Cj4+IAo+PiBBc3N1bWluZyB3ZSBz dGlsbCBoYXZlIGEgdGltaW5nIGlzc3VlIGluIGhlcmUsIGhvdyBhYm91dAo+PiB3ZSBwb2xsIGEg bGl0dGxlIHVudGlsIHN0YXR1cyAhPSAwIGFuZCB0aGVuIGNvbnRpbnVlIHdpdGggd2FybmluZz8K Pgo+IElmIHRoZXJlJ3MgYW55IHJhY2UgY29uZGl0aW9uIGhlcmUsIHdlIGRlZmluaXRlbHkgZG8g bm90IHdhbnQgdG8gcGFwZXIKPiBvdmVyIGl0Lgo+ICAKPj4gV2UgY291bGQgcmVjb3ZlciBieSBm aW5kaW5nIHRoZSAnYml0IGxhdGUnIHN0YXR1cywgaW5zdGVhZCBvZgo+PiBvb3BzaW5nIG91dC4K Pgo+IE9vcHNpbmcgb3V0IHRlbGxzIHVzIHdoZXJlIHRoZSBwcm9ibGVtIGlzIHZlcnkgY29uY2lz ZWx5LgoKSXQgd291bGQgZGVsaXZlciB0aGUgc2FtZSBpbmZvcm1hdGlvbiwgc28gbm90IHBhcGVy aW5nIG92ZXIuIE9ubHkKYmVuZWZpdCBpcyB0aGF0IHdpdGggdGhpcyBzaWduYWxsaW5nIGl0IHdv bnQgYmUgbG9zdC4KCj4gIAo+PiA+ICsgICAgICAgICAgICAgR0VNX0RFQlVHX0VYRUMoV1JJVEVf T05DRSgqKHUzMiAqKShidWYgKyAyICogaGVhZCksIDApKTsKPj4gCj4+IFdoYXQgSSBhbSBhZnJh aWQgaGVyZSBpcyB0aGF0IHdlIGNoYW5nZSB0aGUgdGltaW5nIGFuZCBjYWNoZSBkeW5hbWljcwo+ PiBmb3Igb3VyIGRlYnVnIGJ1aWxkcyBzbyB0aGF0IHdlIGJ1cnkgdGhlIHBlc2t5IHRoaW5nLgo+ Cj4gVGhhdCB0b28gaXMgYSByZXN1bHQuCgpBZ3JlZWQsIHNvIHlvdSB3YW50IHRvIG9ic2VydmUg YmVoYXZpb3VyIHdpdGggYW5kIHdpdGhvdXQuCgo+PiBQZXJoYXBzIEkgYW0gd2FuZGVyaW5nIHRv byBmYXIgYnV0IGxldHMgY29uc2lkZXIgZm9yIHRoZSBjc2IgbG9vcDoKPj4gCj4+IHJlYWQgaGVh ZCx0YWlsOwo+PiBybWIoKTsKPj4gCj4+IGZvcl9lYWNoX2NzYigpIHsKPj4gICA2NCBiaXQgcmVh ZCAKPj4gICA2NCBiaXQgd3JpdGUgdG8gemVybyBpdCwgdW5jb25kaXRpb25hbGx5IAo+PiAgIGFj dF9vbl9pdCgpCj4+IH0KPj4gCj4+IFRvbyBoZWF2eT8KPgo+IFRvbyBwYXBlcnkgLSBzaG91dHMg dGhhdCB3ZSBkb24ndCBrbm93IHdoYXQgd2Ugb3IgdGhlIGh3IGlzIGRvaW5nLiBXZQo+IHdhbnQg dG8gcHJldGVuZCB0aGF0IHdlIGtub3cgd2hhdCB3ZSBhcmUgZG9pbmcgYXQgbGVhc3QuCgpGYWly IGVub3VnaC4gTWFpbmx5IHRoZSBhbW91bnQgb2YgcmVhZHMgd2l0aCBhbmQgd2l0aG91dCBkZWJ1 Z3MsIGNoYW5nZXMKaW5zaWRlIHRoZSBjc2IgbG9vcCB3YXMgbXkgY29uY2Vybi4gQnV0IHRoYXQg dmlldyBzaG91bGQgYmUgc3RhdGljIHRvCmNwdSBhdCB0aGlzIHBvaW50IHJlZ2FyZGxlc3MuCgpT byBsZXRzIHRyeSB0byBmaW5kIG91dCB3aGF0IGV4YWN0bHkgaG93IHRoZSBoYXJkd2FyZSB3cml0 ZXMKdGhlIGNzYiBlbnRyaWVzLgoKVGhpcyBwYXRjaCBkb2VzIGdpdmUgdXMgbW9yZSBkZXRhaWxz LApSZXZpZXdlZC1ieTogTWlrYSBLdW9wcGFsYSA8bWlrYS5rdW9wcGFsYUBsaW51eC5pbnRlbC5j b20+Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVs LWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczov L2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=