From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kuoppala Subject: Re: [PATCH 1/2] drm/i915: Unconditionally flush any chipset buffers before execbuf Date: Thu, 18 Aug 2016 16:59:35 +0300 Message-ID: <8760qynpo8.fsf@gaia.fi.intel.com> References: <20160818131258.20431-1-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id 2F3D46EA52 for ; Thu, 18 Aug 2016 14:00:11 +0000 (UTC) In-Reply-To: <20160818131258.20431-1-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 , Akash Goel , stable@vger.kernel.org List-Id: intel-gfx@lists.freedesktop.org Q2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+IHdyaXRlczoKCj4gSWYgdXNl cnNwYWNlIGlzIGFzeW5jaHJvbm91c2x5IHN0cmVhbWluZyBpbnRvIHRoZSBiYXRjaCBvciBvdGhl cgo+IGV4ZWNvYmplY3RzLCB3ZSBtYXkgbm90IGZsdXNoIHRob3NlIHdyaXRlcyBhbG9uZyB3aXRo IGEgY2hhbmdlIGluIGNhY2hlCj4gZG9tYWluIChhcyB0aGVyZSBpcyBubyBjaGFuZ2UpLiBUaGVy ZWZvcmUgdGhvc2Ugd3JpdGVzIG1heSBlbmQgdXAgaW4KPiBpbnRlcm5hbCBjaGlwc2V0IGJ1ZmZl cnMgYW5kIG5vdCB2aXNpYmxlIHRvIHRoZSBHUFUgdXBvbiBleGVjdXRpb24uIFdlCj4gbXVzdCBp c3N1ZSBhIGZsdXNoIGNvbW1hbmQgb3Igb3RoZXJ3aXNlIHdlIGVuY291bnRlciBpbmNvaGVyZW5j eSBpbiB0aGUKPiBiYXRjaGJ1ZmZlcnMgYW5kIHRoZSBHUFUgZXhlY3V0aW5nIGludmFsaWQgY29t bWFuZHMgKGkuZS4gaGFuZ2luZykgcXVpdGUKPiByZWd1bGFybHkuCj4KPiBCdWd6aWxsYTogaHR0 cHM6Ly9idWdzLmZyZWVkZXNrdG9wLm9yZy9zaG93X2J1Zy5jZ2k/aWQ9OTA4NDEKPiBGaXhlczog MTgxNmY5MjM2MzAzICgiZHJtL2k5MTU6IFN1cHBvcnQgY3JlYXRpb24gb2YgdW5ib3VuZCB3YyB1 c2VyLi4uIikKPiBTaWduZWQtb2ZmLWJ5OiBDaHJpcyBXaWxzb24gPGNocmlzQGNocmlzLXdpbHNv bi5jby51az4KPiBDYzogQWthc2ggR29lbCA8YWthc2guZ29lbEBpbnRlbC5jb20+Cj4gQ2M6IERh bmllbCBWZXR0ZXIgPGRhbmllbC52ZXR0ZXJAZmZ3bGwuY2g+Cj4gQ2M6IFR2cnRrbyBVcnN1bGlu IDx0dnJ0a28udXJzdWxpbkBsaW51eC5pbnRlbC5jb20+Cj4gVGVzdGVkLWJ5OiBNYXR0aSBIw6Rt w6Rsw6RpbmVuIDxjY3JAdG5zcC5vcmc+Cj4gQ2M6IHN0YWJsZUB2Z2VyLmtlcm5lbC5vcmcKPiAt LS0KPiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1fZXhlY2J1ZmZlci5jIHwgMTMgKysr LS0tLS0tLS0tLQo+ICAxIGZpbGUgY2hhbmdlZCwgMyBpbnNlcnRpb25zKCspLCAxMCBkZWxldGlv bnMoLSkKPgo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbV9leGVj YnVmZmVyLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbV9leGVjYnVmZmVyLmMKPiBp bmRleCA2OTkzMTUzMDQ3NDguLmJjZTU4N2FiYzYwMSAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dw dS9kcm0vaTkxNS9pOTE1X2dlbV9leGVjYnVmZmVyLmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0v aTkxNS9pOTE1X2dlbV9leGVjYnVmZmVyLmMKPiBAQCAtMTAxNSw4ICsxMDE1LDYgQEAgaTkxNV9n ZW1fZXhlY2J1ZmZlcl9tb3ZlX3RvX2dwdShzdHJ1Y3QgZHJtX2k5MTVfZ2VtX3JlcXVlc3QgKnJl cSwKPiAgewo+ICAJY29uc3QgdW5zaWduZWQgaW50IG90aGVyX3JpbmdzID0gZWJfb3RoZXJfZW5n aW5lcyhyZXEpOwo+ICAJc3RydWN0IGk5MTVfdm1hICp2bWE7Cj4gLQl1aW50MzJfdCBmbHVzaF9k b21haW5zID0gMDsKPiAtCWJvb2wgZmx1c2hfY2hpcHNldCA9IGZhbHNlOwo+ICAJaW50IHJldDsK PiAgCj4gIAlsaXN0X2Zvcl9lYWNoX2VudHJ5KHZtYSwgdm1hcywgZXhlY19saXN0KSB7Cj4gQEAg LTEwMjksMTYgKzEwMjcsMTEgQEAgaTkxNV9nZW1fZXhlY2J1ZmZlcl9tb3ZlX3RvX2dwdShzdHJ1 Y3QgZHJtX2k5MTVfZ2VtX3JlcXVlc3QgKnJlcSwKPiAgCQl9Cj4gIAo+ICAJCWlmIChvYmotPmJh c2Uud3JpdGVfZG9tYWluICYgSTkxNV9HRU1fRE9NQUlOX0NQVSkKPiAtCQkJZmx1c2hfY2hpcHNl dCB8PSBpOTE1X2dlbV9jbGZsdXNoX29iamVjdChvYmosIGZhbHNlKTsKPiAtCj4gLQkJZmx1c2hf ZG9tYWlucyB8PSBvYmotPmJhc2Uud3JpdGVfZG9tYWluOwo+ICsJCQlpOTE1X2dlbV9jbGZsdXNo X29iamVjdChvYmosIGZhbHNlKTsKPiAgCX0KPiAgCj4gLQlpZiAoZmx1c2hfY2hpcHNldCkKPiAt CQlpOTE1X2dlbV9jaGlwc2V0X2ZsdXNoKHJlcS0+ZW5naW5lLT5pOTE1KTsKPiAtCj4gLQlpZiAo Zmx1c2hfZG9tYWlucyAmIEk5MTVfR0VNX0RPTUFJTl9HVFQpCj4gLQkJd21iKCk7CgpXYXMgYSBi aXQgd29ycmllZCBhYm91dCB0aGlzIHZhbmlzaGluZy4KCkJ1dCBhZnRlciBjaGF0dGluZyB3aXRo IENocmlzIGFuZCBhbHNvIGZvdW5kaW5nIHRoaXM6Cmh0dHBzOi8vbHduLm5ldC9BcnRpY2xlcy8x NzQ2NTUvCltpbiBJMzg2IEFORCBYODZfNjQgU1BFQ0lGSUMgTk9URVNdCgpJIGFtIGNvbnZpbmNl ZCB0aGF0IHRoZSB1bmNhY2hlZCB3cml0ZSB0byBmb3JjZSB0aGUgY2hpcHNldF9mbHVzaAp3aWxs IGJlIHN0cm9uZyBiYXJyaWVyIGVub3VnaC4KClJldmlld2VkLWJ5OiBNaWthIEt1b3BwYWxhIDxt aWthLmt1b3BwYWxhQGludGVsLmNvbT4KCj4gKwkvKiBVbmNvbmRpdGlvbmFsbHkgZmx1c2ggYW55 IGNoaXBzZXQgY2FjaGVzIChmb3Igc3RyZWFtaW5nIHdyaXRlcykuICovCj4gKwlpOTE1X2dlbV9j aGlwc2V0X2ZsdXNoKHJlcS0+ZW5naW5lLT5pOTE1KTsKPiAgCj4gIAkvKiBVbmNvbmRpdGlvbmFs bHkgaW52YWxpZGF0ZSBHUFUgY2FjaGVzIGFuZCBUTEJzLiAqLwo+ICAJcmV0dXJuIHJlcS0+ZW5n aW5lLT5lbWl0X2ZsdXNoKHJlcSwgRU1JVF9JTlZBTElEQVRFKTsKPiAtLSAKPiAyLjkuMwo+Cj4g X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KPiBJbnRlbC1n ZnggbWFpbGluZyBsaXN0Cj4gSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwo+IGh0dHBz Oi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cl9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWls aW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZy ZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=