From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Widawsky Subject: Re: [PATCH] drm/i915/skl: Implement WaBarrierPerformanceFixDisable (again) Date: Wed, 3 Jun 2015 00:04:45 -0700 Message-ID: <20150603000445.00007404@bwidawsk.net> References: <1433286146-19288-1-git-send-email-benjamin.widawsky@intel.com> <87pp5de16g.fsf@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail.bwidawsk.net (bwidawsk.net [166.78.191.112]) by gabe.freedesktop.org (Postfix) with ESMTP id 4AC886E027 for ; Wed, 3 Jun 2015 00:06:05 -0700 (PDT) In-Reply-To: <87pp5de16g.fsf@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Jani Nikula Cc: Intel GFX , Ben Widawsky List-Id: intel-gfx@lists.freedesktop.org T24gV2VkLCAwMyBKdW4gMjAxNSAwOTo0OTo0MyArMDMwMApKYW5pIE5pa3VsYSA8amFuaS5uaWt1 bGFAbGludXguaW50ZWwuY29tPiB3cm90ZToKCj4gT24gV2VkLCAwMyBKdW4gMjAxNSwgQmVuIFdp ZGF3c2t5IDxiZW5qYW1pbi53aWRhd3NreUBpbnRlbC5jb20+IHdyb3RlOgo+ID4gaW4KPiA+IGNv bW1pdCA2NWNhNzUxNGUyMWFkYmVlMjViODE3NWZjOTA5NzU5YzczNWQwMGZmCj4gPiBBdXRob3I6 IERhbWllbiBMZXNwaWF1IDxkYW1pZW4ubGVzcGlhdUBpbnRlbC5jb20+Cj4gPiBEYXRlOiAgIE1v biBGZWIgOSAxOTozMzoyMiAyMDE1ICswMDAwCj4gPgo+ID4gICAgIGRybS9pOTE1L3NrbDogSW1w bGVtZW50IFdhQmFycmllclBlcmZvcm1hbmNlRml4RGlzYWJsZQo+ID4KPiA+IFRoZSB3b3JrYXJv dW5kIGVuZGVkIHVwIGluIHRoZSBjaHYgd29ya2Fyb3VuZHMuIE5vdCBzdXJlIHdoYXQgdGhlCj4g PiByZWFzb24gb3IgaGlzdG9yeSBvZiB0aGF0IGlzLCBidXQgaXQgL3NlZW1zLyB3cm9uZy4gRG9u J3Qga25vdyBpZgo+ID4gdGhpcyBmaXhlcyBhbnl0aGluZyBzaW5jZSBJIGhhdmUgbWFueSBvdGhl ciBwcm9ibGVtcyB3aXRoIG15Cj4gPiBwbGF0Zm9ybS4KPiA+Cj4gPiBDYzogRGFtaWVuIExlc3Bp YXUgPGRhbWllbi5sZXNwaWF1QGludGVsLmNvbT4KPiA+IENjOiBOaWNrIEhvYXRoIDxuaWNob2xh cy5ob2F0aEBpbnRlbC5jb20+Cj4gPiBTaWduZWQtb2ZmLWJ5OiBCZW4gV2lkYXdza3kgPGJlbkBi d2lkYXdzay5uZXQ+Cj4gCj4gVmlsbGUgYmVhdCB5b3UgdG8gaXQgWzFdLiBIb3dldmVyIGhlIHB1 dCBpdCBpbiBza2wgd29ya2Fyb3VuZHMsIG5vdAo+IGdlbjksIHNvIEknbSBwcmVzdW1pbmcgdGhp cyBkb2VzIG5vdCBhcHBseSB0byBieHQuCj4gCj4gQlIsCj4gSmFuaS4KPiAKPiAKCkFueW9uZSB3 aG8gd2lsbCB0YWxrIHRvIHVzIGFuZCB0ZWxscyB5b3UgdGhleSBrbm93IHRoZSBhbnN3ZXIgdG8g dGhhdApkZWZpbml0aXZlbHkgaXMgbHlpbmcuCgpNeSBwYXRjaCBpcyB3cm9uZyB0aG91Z2guIENo ZWNraW5nIG9ubHkgdGhlIFJFVklEIHdpdGhvdXQgY2hlY2tpbmcKSVNfU0tZTEFLRSBpcyBub3Qg dGhlIHJpZ2h0IHRoaW5nIHRvIGRvLgoKQ29uc2lkZXIgVmlsbGUncyBwYXRjaApSZXZpZXdlZC1i eTogQmVuIFdpZGF3c2t5IDxiZW5AYndpZGF3c2submV0PgoKKEkgbm8gbG9uZ2VyIHN1YnNjcmli ZSB0byBpbnRlbC1nZngsIHNvIGFjdHVhbGx5IGFkZGluZyBteSByZXZpZXcgaXMKa2luZCBvZiBh IHBhaW4pLgoKPiBbMV0KPiBodHRwOi8vbWlkLmdtYW5lLm9yZy8xNDMzMjQ4NjU3LTQ1MDktMS1n aXQtc2VuZC1lbWFpbC12aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbQo+IAo+IAo+ID4gLS0t Cj4gPiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcmluZ2J1ZmZlci5jIHwgMTQgKysrKysr Ky0tLS0tLS0KPiA+ICAxIGZpbGUgY2hhbmdlZCwgNyBpbnNlcnRpb25zKCspLCA3IGRlbGV0aW9u cygtKQo+ID4KPiA+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9yaW5n YnVmZmVyLmMKPiA+IGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcmluZ2J1ZmZlci5jIGlu ZGV4IGQ5MzRmODUuLjBmZDYwMzNkCj4gPiAxMDA2NDQgLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5 MTUvaW50ZWxfcmluZ2J1ZmZlci5jCj4gPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRl bF9yaW5nYnVmZmVyLmMKPiA+IEBAIC05MDEsMTMgKzkwMSw2IEBAIHN0YXRpYyBpbnQgY2h2X2lu aXRfd29ya2Fyb3VuZHMoc3RydWN0Cj4gPiBpbnRlbF9lbmdpbmVfY3MgKnJpbmcpIEdFTjZfV0la X0hBU0hJTkdfTUFTSywKPiA+ICAJCQkgICAgR0VONl9XSVpfSEFTSElOR18xNng0KTsKPiA+ICAK PiA+IC0JaWYgKElOVEVMX1JFVklEKGRldikgPT0gU0tMX1JFVklEX0MwIHx8Cj4gPiAtCSAgICBJ TlRFTF9SRVZJRChkZXYpID09IFNLTF9SRVZJRF9EMCkKPiA+IC0JCS8qIFdhQmFycmllclBlcmZv cm1hbmNlRml4RGlzYWJsZTpza2wgKi8KPiA+IC0JCVdBX1NFVF9CSVRfTUFTS0VEKEhEQ19DSElD S0VOMCwKPiA+IC0JCQkJICBIRENfRkVOQ0VfREVTVF9TTE1fRElTQUJMRSB8Cj4gPiAtCQkJCSAg SERDX0JBUlJJRVJfUEVSRk9STUFOQ0VfRElTQUJMRSk7Cj4gPiAtCj4gPiAgCXJldHVybiAwOwo+ ID4gIH0KPiA+ICAKPiA+IEBAIC05NzIsNiArOTY1LDEzIEBAIHN0YXRpYyBpbnQgZ2VuOV9pbml0 X3dvcmthcm91bmRzKHN0cnVjdAo+ID4gaW50ZWxfZW5naW5lX2NzICpyaW5nKSB0bXAgfD0KPiA+ IEhEQ19GT1JDRV9DU1JfTk9OX0NPSEVSRU5UX09WUl9ESVNBQkxFOwo+ID4gV0FfU0VUX0JJVF9N QVNLRUQoSERDX0NISUNLRU4wLCB0bXApOyAKPiA+ICsJaWYgKElOVEVMX1JFVklEKGRldikgPT0g U0tMX1JFVklEX0MwIHx8Cj4gPiArCSAgICBJTlRFTF9SRVZJRChkZXYpID09IFNLTF9SRVZJRF9E MCkKPiA+ICsJCS8qIFdhQmFycmllclBlcmZvcm1hbmNlRml4RGlzYWJsZTpza2wgKi8KPiA+ICsJ CVdBX1NFVF9CSVRfTUFTS0VEKEhEQ19DSElDS0VOMCwKPiA+ICsJCQkJICBIRENfRkVOQ0VfREVT VF9TTE1fRElTQUJMRSB8Cj4gPiArCQkJCSAgSERDX0JBUlJJRVJfUEVSRk9STUFOQ0VfRElTQUJM RSk7Cj4gPiArCj4gPiAgCXJldHVybiAwOwo+ID4gIH0KPiA+ICAKPiA+IC0tIAo+ID4gMi40LjIK PiA+Cj4gPiBfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwo+ ID4gSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdAo+ID4gSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9w Lm9yZwo+ID4gaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2lu dGVsLWdmeAo+IAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3Jn Cmh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK