From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kuoppala Subject: Re: [PATCH v2 3/4] drm/i915/gen9: Add WaFlushCoherentL3CacheLinesAtContextSwitch workaround Date: Mon, 13 Jul 2015 16:08:24 +0300 Message-ID: <87twt8mchj.fsf@gaia.fi.intel.com> References: <1436199161-3641-4-git-send-email-arun.siluvery@linux.intel.com> <1436783788-17745-1-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 mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTP id 9F9896E1EE for ; Mon, 13 Jul 2015 06:08:52 -0700 (PDT) In-Reply-To: <1436783788-17745-1-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 SW4gSW5kaXJlY3QgY29udGV4dCB3L2EgYmF0Y2ggYnVmZmVyLAo+ICtXYUZsdXNoQ29oZXJlbnRM M0NhY2hlTGluZXNBdENvbnRleHRTd2l0Y2g6YmR3CgpzL2Jkdy9za2wgPwoKPgo+IHYyOiBhZGRy ZXNzIHN0YXRpYyBjaGVja2VyIHdhcm5pbmcgd2hlcmUgdW5zaWduZWQgdmFsdWUgd2FzIGNoZWNr ZWQgZm9yCj4gbGVzcyB0aGFuIHplcm8gd2hpY2ggaXMgbmV2ZXIgdHJ1ZS4KPgpBZGQgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgIF5eIChEYW4gQ2FycGVudGVyKQoKPiBSZXBvcnRl ZC1ieTogRGFuIENhcnBlbnRlciA8ZGFuLmNhcnBlbnRlckBvcmFjbGUuY29tPgoKQW5kIHJlbW92 ZSB0aGlzIGxpbmUgYXMgdGhpcyB3b3VsZCBtZWFuIHRoZSB3b3JrYXJvdW5kL2J1ZwppbiBxdWVz dGlvbiB3b3VsZCBiZSByZXBvcnRlZCBieSBEYW4uCgo+IENjOiBJbXJlIERlYWsgPGltcmUuZGVh a0BpbnRlbC5jb20+Cj4gU2lnbmVkLW9mZi1ieTogQXJ1biBTaWx1dmVyeSA8YXJ1bi5zaWx1dmVy eUBsaW51eC5pbnRlbC5jb20+Cj4gLS0tCj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2xy Yy5jIHwgNyArKysrKysrCj4gIDEgZmlsZSBjaGFuZ2VkLCA3IGluc2VydGlvbnMoKykKPgo+IGRp ZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9scmMuYyBiL2RyaXZlcnMvZ3B1 L2RybS9pOTE1L2ludGVsX2xyYy5jCj4gaW5kZXggNmEwYjEyOC4uNzUzNjY4MiAxMDA2NDQKPiAt LS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9scmMuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1 L2RybS9pOTE1L2ludGVsX2xyYy5jCj4gQEAgLTEyNTMsNiArMTI1Myw3IEBAIHN0YXRpYyBpbnQg Z2VuOV9pbml0X2luZGlyZWN0Y3R4X2JiKHN0cnVjdCBpbnRlbF9lbmdpbmVfY3MgKnJpbmcsCj4g IAkJCQkgICAgdWludDMyX3QgKmNvbnN0IGJhdGNoLAo+ICAJCQkJICAgIHVpbnQzMl90ICpvZmZz ZXQpCj4gIHsKPiArCWludCByZXQ7Cj4gIAlzdHJ1Y3QgZHJtX2RldmljZSAqZGV2ID0gcmluZy0+ ZGV2Owo+ICAJdWludDMyX3QgaW5kZXggPSB3YV9jdHhfc3RhcnQod2FfY3R4LCAqb2Zmc2V0LCBD QUNIRUxJTkVfRFdPUkRTKTsKPiAgCj4gQEAgLTEyNjEsNiArMTI2MiwxMiBAQCBzdGF0aWMgaW50 IGdlbjlfaW5pdF9pbmRpcmVjdGN0eF9iYihzdHJ1Y3QgaW50ZWxfZW5naW5lX2NzICpyaW5nLAo+ ICAJICAgIChJU19CUk9YVE9OKGRldikgJiYgKElOVEVMX1JFVklEKGRldikgPT0gQlhUX1JFVklE X0EwKSkpCj4gIAkJd2FfY3R4X2VtaXQoYmF0Y2gsIE1JX0FSQl9PTl9PRkYgfCBNSV9BUkJfRElT QUJMRSk7Cj4gIAo+ICsJLyogV2FGbHVzaENvaGVyZW50TDNDYWNoZUxpbmVzQXRDb250ZXh0U3dp dGNoOnNrbCxieHQgKi8KPiArCXJldCA9IGdlbjhfZW1pdF9mbHVzaF9jb2hlcmVudGwzX3dhKHJp bmcsIGJhdGNoLCBpbmRleCk7CgpOb3Qgc2hvd24gaW4gdGhpcyBwYXRjaCBidXQgdGhlIGFib3Zl IGZ1bmN0aW9uIGFzc3VtZXMgZGVmYXVsdAp2YWx1ZSBmb3IgR0VOOF9MM1NRQ1JFRzQgd2hpY2gg ZG9lc24ndCBtYXRjaCB3aGF0IHdlIGhhdmUgYnkKZGVmYXVsdC4KClRoaXMgaXMgZHVlIHRvICBz a2xfaW5pdF9jbG9ja19nYXRpbmcoKSBzZXR0aW5nIHVwIG9uZSBiaXQKaW4gdGhpcyByZWdpc3Rl ci4KCkkgdGhpbmsgdGhlIHByb3BlciB3YXkgdG8gZml4IHRoaXMgd291bGQgYmUgcmVtb3ZlIHRo ZQp3cml0ZSBmcm9tIHNrbF9pbml0X2Nsb2NrX2dhdGluZygpIGFuZCBzZXR1cCBhbGwKdGhlIGJp dHMgaW4gdGhpcyByZWdpc3RlciwgZXZlbiB0aGUgZGVmYXVsdCBvbmVzIHdpdGgKV0FfU0VUX0JJ VCgpIGluIGdlbjlfaW5pdF93b3JrYXJvdW5kcygpLiAKCkFuZCB0aGVuIHNlYXJjaCB0aGUgZGVm YXVsdCB2YWx1ZSBvdXQgZnJvbSB0aGUgd2EgbGlzdCwKd2hlbiB5b3UgYnVpbGQgdGhlIGJhdGNo LgoKQnV0IGlmIHlvdSBjaG9vc2UgdG8gZ28gd2l0aCBkZWZhdWx0IHNrbCB2YWx1ZSBvZgoweDQ4 NDAwMDAwLCBtYWtlIGEgY29tbWVudCB0byBpbnRlbF9wbS5jIGFuZCBhbHNvCnRoZSBnZW44X2Vt aXRfZmx1c2hfY29oZXJlbnRsM193YSgpIHRoYXQgeW91CmhhdmUgYSBkZXBlbmRlbmN5LgoKLU1p a2EKCj4gKwlpZiAocmV0IDwgMCkKPiArCQlyZXR1cm4gcmV0Owo+ICsJaW5kZXggPSByZXQ7Cj4g KwoKCj4gIAkvKiBQYWQgdG8gZW5kIG9mIGNhY2hlbGluZSAqLwo+ICAJd2hpbGUgKGluZGV4ICUg Q0FDSEVMSU5FX0RXT1JEUykKPiAgCQl3YV9jdHhfZW1pdChiYXRjaCwgTUlfTk9PUCk7Cj4gLS0g Cj4gMS45LjEKPgo+IF9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fCj4gSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdAo+IEludGVsLWdmeEBsaXN0cy5mcmVlZGVza3Rv cC5vcmcKPiBodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50 ZWwtZ2Z4Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCklu dGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRw Oi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==