From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH v2] drm/i915: Don't enable IPS when pixel rate exceeds 95% of cdclk Date: Mon, 15 Sep 2014 10:22:13 +0300 Message-ID: <8738btcpqy.fsf@intel.com> References: <20140911110325.GI28332@nuc-i3427.alporthouse.com> <1410530517-5114-1-git-send-email-ville.syrjala@linux.intel.com> <20140912154233.GK16043@nuc-i3427.alporthouse.com> <20140912154942.GD12416@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTP id 95BC589FCE for ; Mon, 15 Sep 2014 00:44:54 -0700 (PDT) In-Reply-To: <20140912154942.GD12416@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Ville =?utf-8?B?U3lyasOkbMOk?= , Chris Wilson , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gRnJpLCAxMiBTZXAgMjAxNCwgVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4 LmludGVsLmNvbT4gd3JvdGU6Cj4gT24gRnJpLCBTZXAgMTIsIDIwMTQgYXQgMDQ6NDI6MzNQTSAr MDEwMCwgQ2hyaXMgV2lsc29uIHdyb3RlOgo+PiBPbiBGcmksIFNlcCAxMiwgMjAxNCBhdCAwNTow MTo1N1BNICswMzAwLCB2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbSB3cm90ZToKPj4gPiBG cm9tOiBWaWxsZSBTeXJqw6Rsw6QgPHZpbGxlLnN5cmphbGFAbGludXguaW50ZWwuY29tPgo+PiA+ IAo+PiA+IEJzcGVjIHNheXMgd2Ugc2hvdWxkbid0IGVuYWJsZSBJUFMgb24gQkRXIHdoZW4gdGhl IHBpcGUgcGl4ZWwgcmF0ZQo+PiA+IGV4Y2VlZHMgOTUlIG9mIHRoZSBjb3JlIGRpc3BsYXkgY2xv Y2suIEFwcGFyZW50bHkgdGhpcyBjYW4gY2F1c2UKPj4gPiB1bmRlcnJ1bnMuCj4+ID4gCj4+ID4g VGhlcmUncyBubyBzaW1pbGFyIHJlc3RyaWN0aW9uIGxpc3RlZCBmb3IgSFNXLCBzbyBsZWF2ZSB0 aGF0IG9uZSBhbG9uZQo+PiA+IGZvciBub3cuCj4+ID4gCj4+ID4gdjI6IEFkZCBwaXBlX2NvbmZp Z19zdXBwb3J0c19pcHMoKSAoQ2hyaXMpCj4+ID4gCj4+ID4gVGVzdGVkLWJ5OiBUaW1vIEFhbHRv bmVuIDx0amFhbHRvbkB1YnVudHUuY29tPgo+PiA+IEJ1Z3ppbGxhOiBodHRwczovL2J1Z3MuZnJl ZWRlc2t0b3Aub3JnL3Nob3dfYnVnLmNnaT9pZD04MzQ5Nwo+PiA+IFNpZ25lZC1vZmYtYnk6IFZp bGxlIFN5cmrDpGzDpCA8dmlsbGUuc3lyamFsYUBsaW51eC5pbnRlbC5jb20+Cj4+ID4gLS0tCj4+ ID4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rpc3BsYXkuYyB8IDIxICsrKysrKysrKysr KysrKysrKystLQo+PiA+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcnYuaCAgICAgfCAg MSArCj4+ID4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3BtLmMgICAgICB8IDE2ICsrKysr KystLS0tLS0tLS0KPj4gPiAgMyBmaWxlcyBjaGFuZ2VkLCAyNyBpbnNlcnRpb25zKCspLCAxMSBk ZWxldGlvbnMoLSkKPj4gPiAKPj4gPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUv aW50ZWxfZGlzcGxheS5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZGlzcGxheS5jCj4+ ID4gaW5kZXggOTY1ZWIzYy4uNzgwOTE3NyAxMDA2NDQKPj4gPiAtLS0gYS9kcml2ZXJzL2dwdS9k cm0vaTkxNS9pbnRlbF9kaXNwbGF5LmMKPj4gPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9p bnRlbF9kaXNwbGF5LmMKPj4gPiBAQCAtNTI0MSwxMiArNTI0MSwyOSBAQCByZXRyeToKPj4gPiAg CXJldHVybiBzZXR1cF9vayA/IDAgOiAtRUlOVkFMOwo+PiA+ICB9Cj4+ID4gIAo+PiA+ICtzdGF0 aWMgYm9vbCBwaXBlX2NvbmZpZ19zdXBwb3J0c19pcHMoc3RydWN0IGRybV9pOTE1X3ByaXZhdGUg KmRldl9wcml2LAo+PiA+ICsJCQkJICAgICBzdHJ1Y3QgaW50ZWxfY3J0Y19jb25maWcgKnBpcGVf Y29uZmlnKQo+PiA+ICt7Cj4+ID4gKwlpZiAocGlwZV9jb25maWctPnBpcGVfYnBwID4gMjQpCj4+ ID4gKwkJcmV0dXJuIGZhbHNlOwo+PiA+ICsKPj4gPiArCS8qIEhTVyBjYW4gaGFuZGxlIHBpeGVs IHJhdGUgdXAgdG8gY2RjbGs/ICovCj4+ID4gKwlpZiAoSVNfSEFTV0VMTChkZXZfcHJpdi0+ZGV2 KSkKPj4gCj4+IFRoaXMgb25seSBuZWVkcyBJU19IQVNXRUxMKGRldl9wcml2KQo+Cj4gb2xkIGhh Yml0cy4uLgoKVGhhbmtzIHRvIHlvdXIgb2xkIGhhYml0cyBJIGRpZG4ndCBoYXZlIHRvIG1ha2Ug YW55IGNoYW5nZXMgd2hlbiBwdXNoaW5nCnRoaXMgdG8gZHJtLWludGVsLWZpeGVzIHdoaWNoIGlz IHN0aWxsIG9sZCBoYWJpdCBsYW5kLiBUaGFua3MgZm9yIHRoZQpwYXRjaCBhbmQgcmV2aWV3LgoK QlIsCkphbmkuCgoKPgo+PiAKPj4gPiArCQlyZXR1cm4gdHJ1ZTsKPj4gPiArCj4+ID4gKwlyZXR1 cm4gaWxrX3BpcGVfcGl4ZWxfcmF0ZShwaXBlX2NvbmZpZykgPD0KPj4gPiArCQlpbnRlbF9kZGlf Z2V0X2NkY2xrX2ZyZXEoZGV2X3ByaXYpICogOTUgLyAxMDA7Cj4+IAo+PiBPdGhlcndpc2UKPj4g QWNrZWQtYnk6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVrPgo+PiAtQ2hy aXMKPj4gCj4+IC0tIAo+PiBDaHJpcyBXaWxzb24sIEludGVsIE9wZW4gU291cmNlIFRlY2hub2xv Z3kgQ2VudHJlCj4KPiAtLSAKPiBWaWxsZSBTeXJqw6Rsw6QKPiBJbnRlbCBPVEMKPiBfX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwo+IEludGVsLWdmeCBtYWls aW5nIGxpc3QKPiBJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCj4gaHR0cDovL2xpc3Rz LmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAoKLS0gCkphbmkgTmlr dWxhLCBJbnRlbCBPcGVuIFNvdXJjZSBUZWNobm9sb2d5IENlbnRlcgpfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0Cklu dGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9y Zy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=