From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH] drm/i915/bdw: Simple IPS pixel_rate x 0.95 cdclk restriction Date: Thu, 21 May 2015 13:25:28 +0300 Message-ID: <87twv6jkh3.fsf@intel.com> References: <1432140177-2019-1-git-send-email-rodrigo.vivi@intel.com> <20150520172659.GO18908@intel.com> <1432154483.2159.98.camel@intel.com> <20150520205017.GQ18908@intel.com> <20150521095004.GU15256@phenom.ffwll.local> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTP id D4F796E893 for ; Thu, 21 May 2015 03:23:19 -0700 (PDT) In-Reply-To: <20150521095004.GU15256@phenom.ffwll.local> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Daniel Vetter , Ville =?utf-8?B?U3lyasOkbMOk?= Cc: "intel-gfx@lists.freedesktop.org" , "Zanoni, Paulo R" , "Vivi, Rodrigo" List-Id: intel-gfx@lists.freedesktop.org T24gVGh1LCAyMSBNYXkgMjAxNSwgRGFuaWVsIFZldHRlciA8ZGFuaWVsQGZmd2xsLmNoPiB3cm90 ZToKPiBPbiBXZWQsIE1heSAyMCwgMjAxNSBhdCAxMTo1MDoxN1BNICswMzAwLCBWaWxsZSBTeXJq w6Rsw6Qgd3JvdGU6Cj4+IE9uIFdlZCwgTWF5IDIwLCAyMDE1IGF0IDA4OjM4OjI1UE0gKzAwMDAs IFZpdmksIFJvZHJpZ28gd3JvdGU6Cj4+ID4gT24gV2VkLCAyMDE1LTA1LTIwIGF0IDIwOjI2ICsw MzAwLCBWaWxsZSBTeXJqw6Rsw6Qgd3JvdGU6Cj4+ID4gPiBPbiBXZWQsIE1heSAyMCwgMjAxNSBh dCAwOTo0Mjo1N0FNIC0wNzAwLCBSb2RyaWdvIFZpdmkgd3JvdGU6Cj4+ID4gPiA+IEJyb2Fkd2Vs bCBXb3JrYXJvdW5kIDogRG8gbm90IGVuYWJsZSBJUFMgd2hlbiB0aGUgcGlwZSBwaXhlbCByYXRl IGlzCj4+ID4gPiA+IGdyZWF0ZXIgdGhhbgo+PiA+ID4gPiA5NSUgb2YgdGhlIENEQ0xLIGZyZXF1 ZW5jeS4gIFRoZSBwaXBlIHBpeGVsIHJhdGUgaXMgdGhlIHBvcnQgcGl4ZWwgcmF0ZQo+PiA+ID4g PiBtdWx0aXBsaWVkIGJ5IHRoZSBwaXBlIHNjYWxlciBkb3duIHNjYWxlIGFtb3VudC4KPj4gPiA+ IAo+PiA+ID4gT3IganVzdCBtZXJnZSBteSBwYXRjaCBkb2luZyB0aGUgc2FtZSB0aGluZz8KPj4g PiAKPj4gPiBJIHdhcyB0cnlpbmcgdG8gbWFrZSB0aGUgc2ltcGxlIHBvc3NpYmxlIHNpbmNlIGxh dGVzdCBvbmUgdGhhdCBJIHdhcwo+PiA+IGxvb2tpbmcgYXQgd2FzIGRlcGVuZGluZyBvbiBhIHNl cmllcyBvZiBtYW55IHBhdGNoZXMuIEl0IHdhcyBjYWNoaW5nIHRoZQo+PiA+IG1heCBjZGNsaywg ZXRjLi4uIAo+PiAKPj4gV2VsbCB0aGUgbGF0dGVyIG9uZSBpcyB0aGUgb25lIHdlIHdhbnQgKHdl bGwgYWN0dWFsbHkgd2Ugd2FudCB0byBnbwo+PiBmdXJ0aGVyIHRoYW4gdGhhdCwgYnV0IGhhdmUg dG8gc3RhcnQgc29tZXdoZXJlKS4gVGhlIG9ubHkgdGhpbmcgYmxvY2tpbmcKPj4gdGhlIHBhdGNo ZXMgaXMgbGFjayBvZiByZXZpZXcgc28gdGhlIHNvbHV0aW9uIHNlZW1zIGVhc3kgZW5vdWdoIHRv IG1lIDspCj4KPiBXZSBuZWVkIGEgbWluaW1hbCBwYXRjaCBmb3IgLWZpeGVzK2NjOiBzdGFibGUg c2luY2UgdGhpcyBpcyBibG93aW5nIHVwIG9uCj4gcmVhbC13b3JsZCBiZHdzIG91dCB0aGVyZSBh bHJlYWR5LiBKYW5pPwoKQWxyZWFkeT8hICpnYXNwKiEgaHR0cHM6Ly9idWdzLmZyZWVkZXNrdG9w Lm9yZy9zaG93X2J1Zy5jZ2k/aWQ9ODM0OTcKClBvaW50IG1lIGF0IGEgcGF0Y2ggd2l0aCByLWIs IHQtYiBhbmQgc3VwcG9zZWRseSBub3QgcmVncmVzc2luZywgYW5kCkknbGwgbWVyZ2UuCgpCUiwK SmFuaS4KCgoKPiAtRGFuaWVsCj4KPj4gCj4+ID4gCj4+ID4gQnV0IG5vdyBJIGxvb2tlZCBhZ2Fp biB5b3VyIGZpcnN0IG9uZSBhbmQgc2F3IHRoZSBoaXN0b3J5IHRoZXJlIHRoYXQgZ290Cj4+ID4g bWVyZ2VkIGJ1dCBpdCB3YXMgcmVtb3ZlZCBkdWUgdG8gdW5jbGFpbWVkIHJlZ2lzdGVycy4uLgo+ PiA+IAo+PiA+IE5vdyBJIHNlZSB0aGF0IG15IHBhdGNoIGFuZCB5b3VyIG9yaWdpbmFsIG9uZSBh cmVuJ3Qgc28gZGlmZmVyZW50Li4uIEknbQo+PiA+IHNvcnJ5Li4uCj4+ID4gCj4+ID4gU28gSSB3 YXMgdGVsbGluZyBQYXVsbyB0aGF0IHdpdGggbXkgcGF0Y2ggSSBjYW4ndCBnZXQgVW5jbGFpbWVk IG1lc3NhZ2VzCj4+ID4gYW55bW9yZSBhbmQgd2hlbiBkb3VibGUgY2hla2luZyBJIG5vdGljZWQg dGhhdCBydW5pbmcgcG1fcnBtIHJ0ZSB3aXRoIG5vCj4+ID4gcGF0Y2ggSSBnZXQgdGhlICJVbmNs YWltZWQgcmVnaXN0ZXIgZGV0ZWN0ZWQgYmVmb3JlIHJlYWRpbmcgcmVnaXN0ZXIKPj4gPiAweDEz MDA0MCIKPj4gPiAKPj4gPiBTbyBJIGJlbGlldmUgeW91ciBmaXJzdCBwYXRjaCBpcyBnb29kIHRv IGdldCBtZXJnZWQuIEkgYmVsaWV2ZSB0aGF0Cj4+ID4gIlVuY2xhaW1lZCByZWciIHRoYXQgUGF1 bG8gc2F3IHdhcyBzb21ldGhpbmcgZWxzZS4KPj4gPiAKPj4gPiBTbywgYmFjayB0byB5b3Vycy4u Lgo+PiA+IAo+PiA+ID4gCj4+ID4gPiA+IAo+PiA+ID4gPiBTaWduZWQtb2ZmLWJ5OiBSb2RyaWdv IFZpdmkgPHJvZHJpZ28udml2aUBpbnRlbC5jb20+Cj4+ID4gPiA+IC0tLQo+PiA+ID4gPiAgZHJp dmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZGlzcGxheS5jIHwgOSArKysrKysrKysKPj4gPiA+ID4g IGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rydi5oICAgICB8IDIgKysKPj4gPiA+ID4gIGRy aXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3BtLmMgICAgICB8IDQgKystLQo+PiA+ID4gPiAgMyBm aWxlcyBjaGFuZ2VkLCAxMyBpbnNlcnRpb25zKCspLCAyIGRlbGV0aW9ucygtKQo+PiA+ID4gPiAK Pj4gPiA+ID4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rpc3BsYXku YyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rpc3BsYXkuYwo+PiA+ID4gPiBpbmRleCA5 ZDJkNmZiLi5kZDhlZjUxIDEwMDY0NAo+PiA+ID4gPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkx NS9pbnRlbF9kaXNwbGF5LmMKPj4gPiA+ID4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50 ZWxfZGlzcGxheS5jCj4+ID4gPiA+IEBAIC0xMTIsNiArMTEyLDcgQEAgc3RhdGljIGludCBpOXh4 X2dldF9yZWZjbGsoY29uc3Qgc3RydWN0IGludGVsX2NydGNfc3RhdGUgKmNydGNfc3RhdGUsCj4+ ID4gPiA+ICAJCQkgICBpbnQgbnVtX2Nvbm5lY3RvcnMpOwo+PiA+ID4gPiAgc3RhdGljIHZvaWQg aW50ZWxfY3J0Y19lbmFibGVfcGxhbmVzKHN0cnVjdCBkcm1fY3J0YyAqY3J0Yyk7Cj4+ID4gPiA+ ICBzdGF0aWMgdm9pZCBpbnRlbF9jcnRjX2Rpc2FibGVfcGxhbmVzKHN0cnVjdCBkcm1fY3J0YyAq Y3J0Yyk7Cj4+ID4gPiA+ICtzdGF0aWMgaW50IGJyb2Fkd2VsbF9nZXRfZGlzcGxheV9jbG9ja19z cGVlZChzdHJ1Y3QgZHJtX2RldmljZSAqZGV2KTsKPj4gPiA+ID4gIAo+PiA+ID4gPiAgc3RhdGlj IHN0cnVjdCBpbnRlbF9lbmNvZGVyICppbnRlbF9maW5kX2VuY29kZXIoc3RydWN0IGludGVsX2Nv bm5lY3RvciAqY29ubmVjdG9yLCBpbnQgcGlwZSkKPj4gPiA+ID4gIHsKPj4gPiA+ID4gQEAgLTQ5 NDgsNiArNDk0OSwxNCBAQCBzdGF0aWMgdm9pZCBpcm9ubGFrZV9jcnRjX2VuYWJsZShzdHJ1Y3Qg ZHJtX2NydGMgKmNydGMpCj4+ID4gPiA+ICAvKiBJUFMgb25seSBleGlzdHMgb24gVUxUIG1hY2hp bmVzIGFuZCBpcyB0aWVkIHRvIHBpcGUgQS4gKi8KPj4gPiA+ID4gIHN0YXRpYyBib29sIGhzd19j cnRjX3N1cHBvcnRzX2lwcyhzdHJ1Y3QgaW50ZWxfY3J0YyAqY3J0YykKPj4gPiA+ID4gIHsKPj4g PiA+ID4gKwlzdHJ1Y3QgZHJtX2RldmljZSAqZGV2ID0gY3J0Yy0+YmFzZS5kZXY7Cj4+ID4gPiA+ ICsKPj4gPiA+ID4gKwlpZiAoSVNfQlJPQURXRUxMKGRldikgJiYgaWxrX3BpcGVfcGl4ZWxfcmF0 ZShkZXYsICZjcnRjLT5iYXNlKSA+Cj4+ID4gPiA+ICsJICAgIGJyb2Fkd2VsbF9nZXRfZGlzcGxh eV9jbG9ja19zcGVlZChkZXYpICogOTUvMTAwKSB7Cj4+ID4gPiA+ICsJCURSTV9ERUJVR19LTVMo IklQUyBhdm9pZGVkIGJlY2F1c2UgcGl4ZWwgcmF0ZSBpcyBncmVhdGVyIHRoYW4gOTUgcGVyY2Vu dCBvZiBDRENMS1xuIik7Cj4+ID4gPiA+ICsJCXJldHVybiBmYWxzZTsKPj4gPiA+ID4gKwl9Cj4+ ID4gPiA+ICsKPj4gPiA+ID4gIAlyZXR1cm4gSEFTX0lQUyhjcnRjLT5iYXNlLmRldikgJiYgY3J0 Yy0+cGlwZSA9PSBQSVBFX0E7Cj4+ID4gPiA+ICB9Cj4+ID4gPiA+ICAKPj4gPiA+ID4gZGlmZiAt LWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rydi5oIGIvZHJpdmVycy9ncHUvZHJt L2k5MTUvaW50ZWxfZHJ2LmgKPj4gPiA+ID4gaW5kZXggNDdiYzcyOS4uYzU5ZmEzZiAxMDA2NDQK Pj4gPiA+ID4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHJ2LmgKPj4gPiA+ID4g KysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHJ2LmgKPj4gPiA+ID4gQEAgLTEzNDEs NiArMTM0MSw4IEBAIHZvaWQgaW50ZWxfZGlzcGxheV9zZXRfaW5pdF9wb3dlcihzdHJ1Y3QgZHJt X2k5MTVfcHJpdmF0ZSAqZGV2LCBib29sIGVuYWJsZSk7Cj4+ID4gPiA+ICAvKiBpbnRlbF9wbS5j ICovCj4+ID4gPiA+ICB2b2lkIGludGVsX2luaXRfY2xvY2tfZ2F0aW5nKHN0cnVjdCBkcm1fZGV2 aWNlICpkZXYpOwo+PiA+ID4gPiAgdm9pZCBpbnRlbF9zdXNwZW5kX2h3KHN0cnVjdCBkcm1fZGV2 aWNlICpkZXYpOwo+PiA+ID4gPiArdWludDMyX3QgaWxrX3BpcGVfcGl4ZWxfcmF0ZShzdHJ1Y3Qg ZHJtX2RldmljZSAqZGV2LAo+PiA+ID4gPiArCQkJICAgICBzdHJ1Y3QgZHJtX2NydGMgKmNydGMp Owo+PiA+ID4gPiAgaW50IGlsa193bV9tYXhfbGV2ZWwoY29uc3Qgc3RydWN0IGRybV9kZXZpY2Ug KmRldik7Cj4+ID4gPiA+ICB2b2lkIGludGVsX3VwZGF0ZV93YXRlcm1hcmtzKHN0cnVjdCBkcm1f Y3J0YyAqY3J0Yyk7Cj4+ID4gPiA+ICB2b2lkIGludGVsX3VwZGF0ZV9zcHJpdGVfd2F0ZXJtYXJr cyhzdHJ1Y3QgZHJtX3BsYW5lICpwbGFuZSwKPj4gPiA+ID4gZGlmZiAtLWdpdCBhL2RyaXZlcnMv Z3B1L2RybS9pOTE1L2ludGVsX3BtLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9wbS5j Cj4+ID4gPiA+IGluZGV4IGNlMWQwNzkuLjBhZmVhZTggMTAwNjQ0Cj4+ID4gPiA+IC0tLSBhL2Ry aXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3BtLmMKPj4gPiA+ID4gKysrIGIvZHJpdmVycy9ncHUv ZHJtL2k5MTUvaW50ZWxfcG0uYwo+PiA+ID4gPiBAQCAtMTQzNCw4ICsxNDM0LDggQEAgc3RhdGlj IHZvaWQgaTg0NV91cGRhdGVfd20oc3RydWN0IGRybV9jcnRjICp1bnVzZWRfY3J0YykKPj4gPiA+ ID4gIAlJOTE1X1dSSVRFKEZXX0JMQywgZndhdGVyX2xvKTsKPj4gPiA+ID4gIH0KPj4gPiA+ID4g IAo+PiA+ID4gPiAtc3RhdGljIHVpbnQzMl90IGlsa19waXBlX3BpeGVsX3JhdGUoc3RydWN0IGRy bV9kZXZpY2UgKmRldiwKPj4gPiA+ID4gLQkJCQkgICAgc3RydWN0IGRybV9jcnRjICpjcnRjKQo+ PiA+ID4gPiArdWludDMyX3QgaWxrX3BpcGVfcGl4ZWxfcmF0ZShzdHJ1Y3QgZHJtX2RldmljZSAq ZGV2LAo+PiA+ID4gPiArCQkJICAgICBzdHJ1Y3QgZHJtX2NydGMgKmNydGMpCj4+ID4gPiA+ICB7 Cj4+ID4gPiA+ICAJc3RydWN0IGludGVsX2NydGMgKmludGVsX2NydGMgPSB0b19pbnRlbF9jcnRj KGNydGMpOwo+PiA+ID4gPiAgCXVpbnQzMl90IHBpeGVsX3JhdGU7Cj4+ID4gPiA+IC0tIAo+PiA+ ID4gPiAyLjEuMAo+PiA+ID4gPiAKPj4gPiA+ID4gX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX18KPj4gPiA+ID4gSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdAo+PiA+ ID4gPiBJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCj4+ID4gPiA+IGh0dHA6Ly9saXN0 cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngKPj4gPiA+IAo+PiA+ IAo+PiAKPj4gLS0gCj4+IFZpbGxlIFN5cmrDpGzDpAo+PiBJbnRlbCBPVEMKPj4gX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KPj4gSW50ZWwtZ2Z4IG1haWxp bmcgbGlzdAo+PiBJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCj4+IGh0dHA6Ly9saXN0 cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngKPgo+IC0tIAo+IERh bmllbCBWZXR0ZXIKPiBTb2Z0d2FyZSBFbmdpbmVlciwgSW50ZWwgQ29ycG9yYXRpb24KPiBodHRw Oi8vYmxvZy5mZndsbC5jaAoKLS0gCkphbmkgTmlrdWxhLCBJbnRlbCBPcGVuIFNvdXJjZSBUZWNo bm9sb2d5IENlbnRlcgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5v cmcKaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdm eAo=