From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jesse Barnes Subject: Re: [PATCH] drm/i915: Unconditionally flush writes before execbuffer Date: Thu, 21 May 2015 13:29:25 -0700 Message-ID: <555E4025.5060403@virtuousgeek.org> References: <1431330696-15379-1-git-send-email-chris@chris-wilson.co.uk> <20150511103437.GA15256@phenom.ffwll.local> <20150511152552.GD19022@nuc-i3427.alporthouse.com> <20150519144148.GA13637@nuc-i3427.alporthouse.com> <20150521130034.GN17761@nuc-i3427.alporthouse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from gproxy9-pub.mail.unifiedlayer.com (gproxy9-pub.mail.unifiedlayer.com [69.89.20.122]) by gabe.freedesktop.org (Postfix) with SMTP id 73C7E6E13D for ; Thu, 21 May 2015 13:29:53 -0700 (PDT) In-Reply-To: <20150521130034.GN17761@nuc-i3427.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 , Daniel Vetter , intel-gfx@lists.freedesktop.org, Akash Goel , stable@vger.kernel.org List-Id: intel-gfx@lists.freedesktop.org T24gMDUvMjEvMjAxNSAwNjowMCBBTSwgQ2hyaXMgV2lsc29uIHdyb3RlOgo+IE9uIFR1ZSwgTWF5 IDE5LCAyMDE1IGF0IDAzOjQxOjQ4UE0gKzAxMDAsIENocmlzIFdpbHNvbiB3cm90ZToKPj4gT24g TW9uLCBNYXkgMTEsIDIwMTUgYXQgMDQ6MjU6NTJQTSArMDEwMCwgQ2hyaXMgV2lsc29uIHdyb3Rl Ogo+Pj4gT24gTW9uLCBNYXkgMTEsIDIwMTUgYXQgMTI6MzQ6MzdQTSArMDIwMCwgRGFuaWVsIFZl dHRlciB3cm90ZToKPj4+PiBPbiBNb24sIE1heSAxMSwgMjAxNSBhdCAwODo1MTozNkFNICswMTAw LCBDaHJpcyBXaWxzb24gd3JvdGU6Cj4+Pj4+IFdpdGggdGhlIGFkdmVudCBvZiBtbWFwKHdjKSwg d2UgaGF2ZSBhIHBhdGggdG8gd3JpdGUgZGlyZWN0bHkgaW50bwo+Pj4+PiBhY3RpdmUgR1BVIGJ1 ZmZlcnMuIFdoZW4gY29tYmluZWQgd2l0aCBhc3luYyB1cGRhdGVzIChpLmUuIGF2b2lkaW5nIHRo ZQo+Pj4+PiBleHBsaWNpdCBkb21haW4gbWFuYWdlbWVudCBhbG9uZyB3aXRoIHRoZSBtZW1vcnkg YmFycmllcnMgYW5kIEdQVQo+Pj4+PiBzdGFsbHMpIHdlIHN0YXJ0IHRvIHNlZSB0aGUgR1BVIHJl YWQgdGhlIHdyb25nIHZhbHVlcyBmcm9tIG1lbW9yeSAtIGkuZS4KPj4+Pj4gd2UgaGF2ZSBpbnN1 ZmZpY2llbnQgbWVtb3J5IGJhcnJpZXJzIGFsb25nIHRoZSBleGVjYnVmZmVyIHBhdGguIFdyaXRl cwo+Pj4+PiB0aHJvdWdoIHRoZSBHVFQgc2hvdWxkIGhhdmUgYmVlbiBuYXR1cmFsbHkgc2VyaWFs aXNlZCB3aXRoIGV4ZWN1dGlvbgo+Pj4+PiB0aHJvdWdoIHRoZSBHVFQgYXMgd2VsbCBhbmQgc28g dGhlIGltcGFjdCBvbmx5IHNlZW1zIHRvIGJlIGZyb20gdGhlIFdDCj4+Pj4+IHBhdGhzLgo+Pj4+ Pgo+Pj4+PiBTaWduZWQtb2ZmLWJ5OiBDaHJpcyBXaWxzb24gPGNocmlzQGNocmlzLXdpbHNvbi5j by51az4KPj4+Pj4gQ2M6IEFrYXNoIEdvZWwgPGFrYXNoLmdvZWxAaW50ZWwuY29tPgo+Pj4+PiBD Yzogc3RhYmxlQHZnZXIua2VybmVsLm9yZwo+Pj4+Cj4+Pj4gRG8gd2UgaGF2ZSBhIG5hc3R5IGln dCBmb3IgdGhpcz8gQnVnemlsbGE/Cj4+Pgo+Pj4gSSd2ZSBhZGRlZCBpZ3QvZ2VtX3N0cmVhbWlu Z193cml0ZXMuCj4+Pgo+Pj4gVGhhdCB3bWIoKSBpcyBub3QgZW5vdWdoIGZvciAhbGxjLiBTaW5j ZSB0aGUgd21iKCkgbWFkZSBwaWdsaXQgaGFwcHkgaXQKPj4+IGlzIHF1aXRlIHBvc3NpYmxlIEkg aGF2ZW4ndCBoaXQgdGhlIHNhbWUgcGF0aCBleGFjdGx5LCBidXQgaXQncyBnb2luZyB0bwo+Pj4g dGFrZSBzb21lIGludmVzdGlnYXRpb24gdG8gc2VlIGlmIGlndC9nZW1fc3RyZWFtaW5nX3dyaXRl cyBjYW4gcG9zc2libHkKPj4+IHdvcmsgb24gIWxsYy4KPj4KPj4gSHVtYnVnLgo+Pgo+PiBGb3Vu ZCB0aGUgYnVnIGluIGdlbV9zdHJlYW1pbmdfd3JpdGVzLCBldmVuIHRob3VnaCBJIHN0aWxsIHRo aW5rIHRoZQo+PiB3bWIoKSBpcyBzdHJpY3RseSByZXF1aXJlZCwgaXQgcnVucyBmaW5lIHdpdGhv dXQgKHByZXN1bWFibHkgSSBoYXZlbid0Cj4+IG1hbmFnZWQgdG8gYXZvaWQgYWxsIGJhcnJpZXJz IGluIHRoZSBleGVjYnVmZmVyIHBhdGggeWV0KS4gSG93ZXZlciwgSQo+PiB0aGluayBjYW4gaW1w cm92ZSB0aGUgc3RyZXNzIGJ5IGluc2VydGluZyBleHRyYSBncHUgbG9hZCAtLSB0aGF0IHNob3Vs ZAo+PiBoZWxwIG1ha2UgdGhlIENQVSB3cml0ZXMgLyBHUFUgcmVhZHMgb2YgdGhlIGJ1ZmZlciBj b25jdXJyZW50Pwo+IAo+IEp1c3QgYSBzbWFsbCB1cGRhdGUuIEkgaGF2ZW4ndCBmb3VuZCBhIHdh eSB0byByZXByb2R1Y2UgdGhpcyBpbiBpZ3QgeWV0LAo+IGJ1dCBJIGNhbiBzdGlsbCBvYnNlcnZl IHRoZSBlZmZlY3QgdXNpbmcgdmJvLW1hcC11bnN5bmMgYW5kIHRoZSBmaXgKPiB0aGVyZSBpcyB0 aGUgYWJvdmUgcGF0Y2ggdG8gbWFrZSB0aGUgd21iKCkgdW5jb25kaXRpb25hbC4KPiAKPiBXZSBu ZWVkIHRvIHB1dCB0aGlzIGludG8gc3RhYmxlQCByZWFzb25hYmx5IHF1aWNrbHkgKEkgc3VzcGVj dCBzb21lIG9mCj4gdGhlIDQuMCBtbWFwKHdjKSByZWdyZXNzaW9ucyBhcmUgZHVlIHRvIHRoaXMg YXMgd2VsbCkuCgpTbyB0aGUgc3ltcHRvbSBpcyB0aGF0IHRoZSBHUFUgcGlja3MgdXAgb2xkZXIg dmFsdWVzIGZyb20gbWVtb3J5LCBhbmQKeW91ciB0aGVvcnkgaXMgdGhhdCB0aGUgd21iKCkga2lj a3MgdGhlIHZhbHVlcyBvdXQgb2YgdGhlIHN0b3JlIGJ1ZmZlcgpvciBXQyBidWZmZXIgcHJpb3Ig dG8gdGhlIGV4ZWNidWY/CgpJIHRoaW5rIHRoYXQncyByZWFzb25hYmxlLCBhbmQgSSdtIGhvcGlu ZyAiZ2xvYmFsbHkgdmlzaWJsZSIgaXMgc3BlYydkCnRvIGluY2x1ZGUgdGhlIEdQVSBhbmQgb3Ro ZXIgc3lzdGVtIGFnZW50cyBpbiB0aGUgc2ZlbmNlIGRlZmluaXRpb24uCgpKZXNzZQoKX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxp bmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVl ZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK