From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kuoppala Subject: Re: [PATCH v2 1/4] drm/i915: Enable WA batch buffers for Gen9 Date: Fri, 10 Jul 2015 18:52:10 +0300 Message-ID: <874mlcnh79.fsf@gaia.fi.intel.com> References: <1436199161-3641-1-git-send-email-arun.siluvery@linux.intel.com> <1436199161-3641-2-git-send-email-arun.siluvery@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTP id E998C6E790 for ; Fri, 10 Jul 2015 08:53:06 -0700 (PDT) In-Reply-To: <1436199161-3641-2-git-send-email-arun.siluvery@linux.intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Arun Siluvery , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org QXJ1biBTaWx1dmVyeSA8YXJ1bi5zaWx1dmVyeUBsaW51eC5pbnRlbC5jb20+IHdyaXRlczoKCj4g VGhpcyBwYXRjaCBvbmx5IGVuYWJsZXMgc3VwcG9ydCBmb3IgR2VuOSwgdGhlIGFjdHVhbCBXQSB3 aWxsIGJlCj4gaW5pdGlhbGl6ZWQgaW4gc3Vic2VxdWVudCBwYXRjaGVzLgo+Cj4gVGhlIFdBUk4g dGhhdCB3ZSB1c2UgdG8gd2FybiB1c2VyIGlmIFdBIGJhdGNoIHN1cHBvcnQgaXMgbm90IGF2YWls YWJsZQo+IGZvciBhIHBhcnRpY3VsYXIgR2VuIGlzIHJlcGxhY2VkIHdpdGggRFJNX0VSUk9SIGFz IHdhcm5pbmcgaGVyZSBkb2Vzbid0Cj4gcmVhbGx5IGFkZCBtdWNoIHZhbHVlLgo+Cj4gdjI6IGlu Y2x1ZGUgYWxsIGluZnJhc3RydWN0dXJlIGJpdHMgaW4gdGhpcyBwYXRjaCBzbyB0aGF0IHN1YnNl cXVlbnQKPiBjaGFuZ2VzIG9ubHkgY29ycmVzcG9uZCB0aGUgV0EgYWRkZWQgKENocmlzKQo+Cj4g Q2M6IEltcmUgRGVhayA8aW1yZS5kZWFrQGludGVsLmNvbT4KPiBTaWduZWQtb2ZmLWJ5OiBBcnVu IFNpbHV2ZXJ5IDxhcnVuLnNpbHV2ZXJ5QGxpbnV4LmludGVsLmNvbT4KClRoZSB3YV9jdHhfZW1p dHMgbmVlZCBpbmRleCBhcyBzZWNvbmQgcGFyYW0gbm93LiBXaXRoIHRob3NlLAoKUmV2aWV3ZWQt Ynk6IE1pa2EgS3VvcHBhbGEgPG1pa2Eua3VvcHBhbGFAaW50ZWwuY29tPgoKPiAtLS0KPiAgZHJp dmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfbHJjLmMgfCA1MCArKysrKysrKysrKysrKysrKysrKysr KysrKysrKysrKysrKysrLS0tCj4gIDEgZmlsZSBjaGFuZ2VkLCA0NyBpbnNlcnRpb25zKCspLCAz IGRlbGV0aW9ucygtKQo+Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVs X2xyYy5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfbHJjLmMKPiBpbmRleCAyM2ZmMDE4 Li4xZTg4YjNiIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2xyYy5j Cj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfbHJjLmMKPiBAQCAtMTI2OSw2ICsx MjY5LDM1IEBAIHN0YXRpYyBpbnQgZ2VuOF9pbml0X3BlcmN0eF9iYihzdHJ1Y3QgaW50ZWxfZW5n aW5lX2NzICpyaW5nLAo+ICAJcmV0dXJuIHdhX2N0eF9lbmQod2FfY3R4LCAqb2Zmc2V0ID0gaW5k ZXgsIDEpOwo+ICB9Cj4gIAo+ICtzdGF0aWMgaW50IGdlbjlfaW5pdF9pbmRpcmVjdGN0eF9iYihz dHJ1Y3QgaW50ZWxfZW5naW5lX2NzICpyaW5nLAo+ICsJCQkJICAgIHN0cnVjdCBpOTE1X3dhX2N0 eF9iYiAqd2FfY3R4LAo+ICsJCQkJICAgIHVpbnQzMl90ICpjb25zdCBiYXRjaCwKPiArCQkJCSAg ICB1aW50MzJfdCAqb2Zmc2V0KQo+ICt7Cj4gKwl1aW50MzJfdCBpbmRleCA9IHdhX2N0eF9zdGFy dCh3YV9jdHgsICpvZmZzZXQsIENBQ0hFTElORV9EV09SRFMpOwo+ICsKPiArCS8qIEZJWE1FOiBS ZXBsYWNlIG1lIHdpdGggV0EgKi8KPiArCXdhX2N0eF9lbWl0KGJhdGNoLCBNSV9OT09QKTsKPiAr Cj4gKwkvKiBQYWQgdG8gZW5kIG9mIGNhY2hlbGluZSAqLwo+ICsJd2hpbGUgKGluZGV4ICUgQ0FD SEVMSU5FX0RXT1JEUykKPiArCQl3YV9jdHhfZW1pdChiYXRjaCwgTUlfTk9PUCk7Cj4gKwo+ICsJ cmV0dXJuIHdhX2N0eF9lbmQod2FfY3R4LCAqb2Zmc2V0ID0gaW5kZXgsIENBQ0hFTElORV9EV09S RFMpOwo+ICt9Cj4gKwo+ICtzdGF0aWMgaW50IGdlbjlfaW5pdF9wZXJjdHhfYmIoc3RydWN0IGlu dGVsX2VuZ2luZV9jcyAqcmluZywKPiArCQkJICAgICAgIHN0cnVjdCBpOTE1X3dhX2N0eF9iYiAq d2FfY3R4LAo+ICsJCQkgICAgICAgdWludDMyX3QgKmNvbnN0IGJhdGNoLAo+ICsJCQkgICAgICAg dWludDMyX3QgKm9mZnNldCkKPiArewo+ICsJdWludDMyX3QgaW5kZXggPSB3YV9jdHhfc3RhcnQo d2FfY3R4LCAqb2Zmc2V0LCBDQUNIRUxJTkVfRFdPUkRTKTsKPiArCj4gKwl3YV9jdHhfZW1pdChi YXRjaCwgTUlfQkFUQ0hfQlVGRkVSX0VORCk7Cj4gKwo+ICsJcmV0dXJuIHdhX2N0eF9lbmQod2Ff Y3R4LCAqb2Zmc2V0ID0gaW5kZXgsIDEpOwo+ICt9Cj4gKwo+ICBzdGF0aWMgaW50IGxyY19zZXR1 cF93YV9jdHhfb2JqKHN0cnVjdCBpbnRlbF9lbmdpbmVfY3MgKnJpbmcsIHUzMiBzaXplKQo+ICB7 Cj4gIAlpbnQgcmV0Owo+IEBAIC0xMzEwLDEwICsxMzM5LDExIEBAIHN0YXRpYyBpbnQgaW50ZWxf aW5pdF93b3JrYXJvdW5kX2JiKHN0cnVjdCBpbnRlbF9lbmdpbmVfY3MgKnJpbmcpCj4gIAlXQVJO X09OKHJpbmctPmlkICE9IFJDUyk7Cj4gIAo+ICAJLyogdXBkYXRlIHRoaXMgd2hlbiBXQSBmb3Ig aGlnaGVyIEdlbiBhcmUgYWRkZWQgKi8KPiAtCWlmIChXQVJOKElOVEVMX0lORk8ocmluZy0+ZGV2 KS0+Z2VuID4gOCwKPiAtCQkgIldBIGJhdGNoIGJ1ZmZlciBpcyBub3QgaW5pdGlhbGl6ZWQgZm9y IEdlbiVkXG4iLAo+IC0JCSBJTlRFTF9JTkZPKHJpbmctPmRldiktPmdlbikpCj4gKwlpZiAoSU5U RUxfSU5GTyhyaW5nLT5kZXYpLT5nZW4gPiA5KSB7Cj4gKwkJRFJNX0VSUk9SKCJXQSBiYXRjaCBi dWZmZXIgaXMgbm90IGluaXRpYWxpemVkIGZvciBHZW4lZFxuIiwKPiArCQkJICBJTlRFTF9JTkZP KHJpbmctPmRldiktPmdlbik7Cj4gIAkJcmV0dXJuIDA7Cj4gKwl9Cj4gIAo+ICAJLyogc29tZSBX QSBwZXJmb3JtIHdyaXRlcyB0byBzY3JhdGNoIHBhZ2UsIGVuc3VyZSBpdCBpcyB2YWxpZCAqLwo+ ICAJaWYgKHJpbmctPnNjcmF0Y2gub2JqID09IE5VTEwpIHsKPiBAQCAtMTM0NSw2ICsxMzc1LDIw IEBAIHN0YXRpYyBpbnQgaW50ZWxfaW5pdF93b3JrYXJvdW5kX2JiKHN0cnVjdCBpbnRlbF9lbmdp bmVfY3MgKnJpbmcpCj4gIAkJCQkJICAmb2Zmc2V0KTsKPiAgCQlpZiAocmV0KQo+ICAJCQlnb3Rv IG91dDsKPiArCX0gZWxzZSBpZiAoSU5URUxfSU5GTyhyaW5nLT5kZXYpLT5nZW4gPT0gOSkgewo+ ICsJCXJldCA9IGdlbjlfaW5pdF9pbmRpcmVjdGN0eF9iYihyaW5nLAo+ICsJCQkJCSAgICAgICAm d2FfY3R4LT5pbmRpcmVjdF9jdHgsCj4gKwkJCQkJICAgICAgIGJhdGNoLAo+ICsJCQkJCSAgICAg ICAmb2Zmc2V0KTsKPiArCQlpZiAocmV0KQo+ICsJCQlnb3RvIG91dDsKPiArCj4gKwkJcmV0ID0g Z2VuOV9pbml0X3BlcmN0eF9iYihyaW5nLAo+ICsJCQkJCSAgJndhX2N0eC0+cGVyX2N0eCwKPiAr CQkJCQkgIGJhdGNoLAo+ICsJCQkJCSAgJm9mZnNldCk7Cj4gKwkJaWYgKHJldCkKPiArCQkJZ290 byBvdXQ7Cj4gIAl9Cj4gIAo+ICBvdXQ6Cj4gLS0gCj4gMS45LjEKPgo+IF9fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCj4gSW50ZWwtZ2Z4IG1haWxpbmcgbGlz dAo+IEludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKPiBodHRwOi8vbGlzdHMuZnJlZWRl c2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cl9fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwt Z2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21h aWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==