From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kuoppala Subject: Re: [PATCH 05/11] drm/i915/gtt: Compute the radix for gen8 page table levels Date: Wed, 10 Jul 2019 17:55:52 +0300 Message-ID: <87a7dmq6pz.fsf@gaia.fi.intel.com> References: <20190707210024.26192-1-chris@chris-wilson.co.uk> <20190707210024.26192-6-chris@chris-wilson.co.uk> <87pnmiq9ta.fsf@gaia.fi.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6E2846E0E1 for ; Wed, 10 Jul 2019 14:56:06 +0000 (UTC) In-Reply-To: <87pnmiq9ta.fsf@gaia.fi.intel.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 , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org TWlrYSBLdW9wcGFsYSA8bWlrYS5rdW9wcGFsYUBsaW51eC5pbnRlbC5jb20+IHdyaXRlczoKCj4g Q2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+IHdyaXRlczoKPgo+PiBUaGUg cmFkaXggbGV2ZWxzIG9mIGVhY2ggcGFnZSBkaXJlY3RvcnkgYXJlIGVhc2lseSBkZXRlcm1pbmVk IHNvIHJlcGxhY2UKPj4gdGhlIG51bWVyb3VzIGhhcmRjb2RlZCBjb25zdGFudHMgd2l0aCBwcmVj b21wdXRlZCBkZXJpdmVkIGNvbnN0YW50cy4KPj4KPj4gU2lnbmVkLW9mZi1ieTogQ2hyaXMgV2ls c29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+Cj4+IC0tLQo+PiAgZHJpdmVycy9ncHUvZHJt L2k5MTUvaTkxNV9nZW1fZ3R0LmMgfCAzOSArKysrKysrKysrKysrKysrKysrKysrKysrKysrKwo+ PiAgMSBmaWxlIGNoYW5nZWQsIDM5IGluc2VydGlvbnMoKykKPj4KPj4gZGlmZiAtLWdpdCBhL2Ry aXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtX2d0dC5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUv aTkxNV9nZW1fZ3R0LmMKPj4gaW5kZXggMmZjNjBlOGFjZDlhLi4yNzEzMDU3MDVjMWMgMTAwNjQ0 Cj4+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtX2d0dC5jCj4+ICsrKyBiL2Ry aXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtX2d0dC5jCj4+IEBAIC04NjgsNiArODY4LDQ1IEBA IHN0YXRpYyBpbnQgZ2VuOF9wcGd0dF9ub3RpZnlfdmd0KHN0cnVjdCBpOTE1X3BwZ3R0ICpwcGd0 dCwgYm9vbCBjcmVhdGUpCj4+ICAJcmV0dXJuIDA7Cj4+ICB9Cj4+ICAKPj4gKy8qIEluZGV4IHNo aWZ0cyBpbnRvIHRoZSBwYWdldGFibGUgYXJlIG9mZnNldCBieSBHRU44X1BURV9TSElGVCBbMTJd ICovCj4+ICsjZGVmaW5lIGdlbjhfcGRfc2hpZnQobHZsKSAoKGx2bCkgKiBpbG9nMihJOTE1X1BE RVMpKQo+Cj4gQ291bGQgYmUganVzdCAobHZsKSAqIDkuIEJ1dCBsb29raW5nIGF0IGlsb2cyKCkg aXQgd2lsbCBiZQo+IHNvIGJvdGggYXJlIGZpbmUuCj4KPj4gKyNkZWZpbmUgZ2VuOF9wZF9pbmRl eChpLCBsdmwpIGk5MTVfcGRlX2luZGV4KChpKSwgZ2VuOF9wZF9zaGlmdChsdmwpKQo+PiArI2Rl ZmluZSBfX2dlbjhfcHRlX3NoaWZ0KGx2bCkgKEdFTjhfUFRFX1NISUZUICsgZ2VuOF9wZF9zaGlm dChsdmwpKQo+PiArI2RlZmluZSBfX2dlbjhfcHRlX2luZGV4KGEsIGx2bCkgaTkxNV9wZGVfaW5k ZXgoKGEpLCBfX2dlbjhfcHRlX3NoaWZ0KGx2bCkpCj4+ICsKPj4gK3N0YXRpYyBpbmxpbmUgdW5z aWduZWQgaW50Cj4+ICtnZW44X3BkX3JhbmdlKHU2NCBhZGRyLCB1NjQgZW5kLCBpbnQgbHZsLCB1 bnNpZ25lZCBpbnQgKmlkeCkKPgo+IEkgd2FzIGVub3VnaCBjb25mdXNlZCAoZXZlbiB0aG8gdGhl IGxhc3QgZnVuY3Rpb24gcmV2ZWFscwo+IGl0IGNsZWFybHkpIHRoYXQgaW4gaXJjIHdlIGNvbmNs dWRlZCB0aGF0IGFkZHIgYXMgYQo+IGZpcnN0IHBhcmFtZXRlciBpcyBtaXNsZWFkaW5nIGFuZCBj b252ZXJnZWQgb24gJ3N0YXJ0Jwo+Cj4+ICt7Cj4+ICsJY29uc3QgaW50IHNoaWZ0ID0gZ2VuOF9w ZF9zaGlmdChsdmwpOwo+PiArCWNvbnN0IHU2NCBtYXNrID0gfjB1bGwgPDwgZ2VuOF9wZF9zaGlm dChsdmwgKyAxKTsKPj4gKwo+PiArCUdFTV9CVUdfT04oYWRkciA+PSBlbmQpOwo+PiArCWVuZCAr PSB+bWFzayA+PiBnZW44X3BkX3NoaWZ0KDEpOwo+PiArCj4+ICsJKmlkeCA9IGk5MTVfcGRlX2lu ZGV4KGFkZHIsIHNoaWZ0KTsKPj4gKwlpZiAoKGFkZHIgXiBlbmQpICYgbWFzaykKPj4gKwkJcmV0 dXJuIEk5MTVfUERFUyAtICppZHg7Cj4+ICsJZWxzZQo+PiArCQlyZXR1cm4gaTkxNV9wZGVfaW5k ZXgoZW5kLCBzaGlmdCkgLSAqaWR4Owo+PiArfQo+PiArCj4+ICtzdGF0aWMgaW5saW5lIGJvb2wg Z2VuOF9wZF9zdWJzdW1lcyh1NjQgYWRkciwgdTY0IGVuZCwgaW50IGx2bCkKPj4gK3sKPgo+IEp1 c3QgYSBzdWdnZXN0aW9uIGdlbjhfcGRfY29udGFpbnMoKSBmb3IgZW1waGFzaXMgb24gZXhjbHVz aXZpdHkuCj4gQnV0IHdlbGwsIHRoaXMgaXMgZmluZSB0b28uIEkgZ3Vlc3Mgd2hhdCByZWFkcyBi ZXR0ZXIgaW4gY2FsbHNpdGUsCj4gKHdoaWNoIHdlIGRvbnQgc2VlIHlldCEpCj4KPj4gKwljb25z dCB1NjQgbWFzayA9IH4wdWxsIDw8IGdlbjhfcGRfc2hpZnQobHZsICsgMSk7Cj4+ICsKPj4gKwlH RU1fQlVHX09OKGFkZHIgPj0gZW5kKTsKPj4gKwlyZXR1cm4gKGFkZHIgXiBlbmQpICYgbWFzayAm JiAoYWRkciAmIH5tYXNrKSA9PSAwOwo+PiArfQo+PiArCj4+ICtzdGF0aWMgaW5saW5lIHVuc2ln bmVkIGludCBnZW44X3B0X2NvdW50KHU2NCBhZGRyLCB1NjQgZW5kKQo+PiArewo+PiArCUdFTV9C VUdfT04oYWRkciA+PSBlbmQpOwo+PiArCWlmICgoYWRkciBeIGVuZCkgJiB+STkxNV9QREVfTUFT SykKPj4gKwkJcmV0dXJuIEk5MTVfUERFUyAtIChhZGRyICYgSTkxNV9QREVfTUFTSyk7Cj4KPiBP aywgSSB5aWVsZCBvbiA1MTIuIEk5MTVfUERFUyBpcyBmaW5lIGFzIGl0IGF0bGVhc3QKPiBjb3Vw bGVzIGl0IHRvIG1hc2sgOk8KPgo+IFdpdGggcy9hZGRyL3N0YXJ0LAo+Cj4gUmV2aWV3ZWQtYnk6 IE1pa2EgS3VvcHBhbGEgPG1pa2Eua3VvcHBhbGFAbWlrYS5rdW9wcGFsYUBsaW51eC5pbnRlbC5j b20+Cgpub3QgbG9uZyB0aWxsIHZhY2F0aW9uLCBoYW5naW5nIHRoZXJlIGJ1dCBpdCBzdGFydHMg dG8gc2hvdy4uLgoKUmV2aWV3ZWQtYnk6IE1pa2EgS3VvcHBhbGEgPG1pa2Eua3VvcHBhbGFAbGlu dXguaW50ZWwuY29tPgoKPgo+PiArCWVsc2UKPj4gKwkJcmV0dXJuIGVuZCAtIGFkZHI7Cj4+ICt9 Cj4+ICsKPj4gIHN0YXRpYyB2b2lkIGdlbjhfZnJlZV9wYWdlX3RhYmxlcyhzdHJ1Y3QgaTkxNV9h ZGRyZXNzX3NwYWNlICp2bSwKPj4gIAkJCQkgIHN0cnVjdCBpOTE1X3BhZ2VfZGlyZWN0b3J5ICpw ZCkKPj4gIHsKPj4gLS0gCj4+IDIuMjAuMQo+IF9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCj4gSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdAo+IEludGVsLWdmeEBs aXN0cy5mcmVlZGVza3RvcC5vcmcKPiBodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWls bWFuL2xpc3RpbmZvL2ludGVsLWdmeApfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVl ZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5m by9pbnRlbC1nZng=