From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bibby Hsieh Subject: Re: [PATCH 3/4] drm/mediatek: fix the wrong pixel clock when resolution is 4K Date: Mon, 25 Jul 2016 16:37:50 +0800 Message-ID: <1469435870.26205.20.camel@mtksdaap41> References: <1468987385-37353-1-git-send-email-bibby.hsieh@mediatek.com> <1468987385-37353-4-git-send-email-bibby.hsieh@mediatek.com> <1469001443.11841.59.camel@mtksdaap41> <1469427845.26205.17.camel@mtksdaap41> <1469429375.11841.69.camel@mtksdaap41> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1469429375.11841.69.camel@mtksdaap41> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: CK Hu Cc: Junzhi Zhao , linux-kernel@vger.kernel.org, Sascha Hauer , Daniel Vetter , Cawa Cheng , dri-devel@lists.freedesktop.org, Mao Huang , linux-mediatek@lists.infradead.org, Matthias Brugger , Yingjoe Chen , linux-arm-kernel@lists.infradead.org List-Id: linux-mediatek@lists.infradead.org SGksIENLLAoKVGhhbmtzIGZvciB5b3VyIGNvbW1lbnRzLgoKT24gTW9uLCAyMDE2LTA3LTI1IGF0 IDE0OjQ5ICswODAwLCBDSyBIdSB3cm90ZToKPiBIaSwgQmliYnk6Cj4gCj4gT24gTW9uLCAyMDE2 LTA3LTI1IGF0IDE0OjI0ICswODAwLCBCaWJieSBIc2llaCB3cm90ZToKPiA+IEhpLCBDSywKPiA+ IAo+ID4gVGhhbmtzIGZvciB5b3VyIGNvbW1lbnRzLgo+ID4gCj4gPiBPbiBXZWQsIDIwMTYtMDct MjAgYXQgMTU6NTcgKzA4MDAsIENLIEh1IHdyb3RlOgo+ID4gPiBIaSwgQmliYnk6Cj4gPiA+IAo+ ID4gPiBTb21lIGNvbW1lbnRzIGlubGluZS4KPiA+ID4gCj4gPiA+IE9uIFdlZCwgMjAxNi0wNy0y MCBhdCAxMjowMyArMDgwMCwgQmliYnkgSHNpZWggd3JvdGU6Cj4gPiA+ID4gRnJvbTogSnVuemhp IFpoYW8gPGp1bnpoaS56aGFvQG1lZGlhdGVrLmNvbT4KPiA+ID4gPiAKPiA+ID4gPiBQaXhlbCBj bG9jayBzaG91bGQgYmUgMjk3TUh6IHdoZW4gcmVzb2x1dGlvbiBpcyA0Sy4KPiA+ID4gPiAKPiA+ ID4gPiBTaWduZWQtb2ZmLWJ5OiBKdW56aGkgWmhhbyA8anVuemhpLnpoYW9AbWVkaWF0ZWsuY29t Pgo+ID4gPiA+IFNpZ25lZC1vZmYtYnk6IEJpYmJ5IEhzaWVoIDxiaWJieS5oc2llaEBtZWRpYXRl ay5jb20+Cj4gPiA+ID4gLS0tCj4gPiA+ID4gIGRyaXZlcnMvZ3B1L2RybS9tZWRpYXRlay9tdGtf ZHBpLmMgfCAgMTg0ICsrKysrKysrKysrKysrKysrKysrKysrKystLS0tLS0tLS0tLQo+ID4gPiA+ ICAxIGZpbGUgY2hhbmdlZCwgMTMxIGluc2VydGlvbnMoKyksIDUzIGRlbGV0aW9ucygtKQo+ID4g PiA+IAo+IAo+IFtzbmlwLi4uXQo+IAo+ID4gPiA+ICAKPiA+ID4gPiArc3RhdGljIGludCBtdDgx NzNfcGFyc2VfY2xrX2Zyb21fZHQoc3RydWN0IG10a19kcGkgKmRwaSwgc3RydWN0IGRldmljZV9u b2RlICpucCkKPiA+ID4gPiArewo+ID4gPiA+ICsJaW50IGk7Cj4gPiA+ID4gKwo+ID4gPiA+ICsJ Zm9yIChpID0gMDsgaSA8IEFSUkFZX1NJWkUobXRrX2RwaV9jbGtfbmFtZXMpOyBpKyspIHsKPiA+ ID4gPiArCQlkcGktPmNsa1tpXSA9IG9mX2Nsa19nZXRfYnlfbmFtZShucCwKPiA+ID4gPiArCQkJ CQkJICBtdGtfZHBpX2Nsa19uYW1lc1tpXSk7Cj4gPiA+ID4gKwkJaWYgKElTX0VSUihkcGktPmNs a1tpXSkpCj4gPiA+ID4gKwkJCXJldHVybiBQVFJfRVJSKGRwaS0+Y2xrW2ldKTsKPiA+ID4gPiAr CX0KPiA+ID4gPiArCXJldHVybiAwOwo+ID4gPiA+ICt9Cj4gPiA+IAo+ID4gPiBJIHRoaW5rIHBh cnNpbmcgZGV2aWNlIHRyZWUgaXMgYSBwdXJlIFNXIGJlaGF2aW9yLiBXb3VsZCB0aGlzIHZhcnkg Zm9yCj4gPiA+IGRpZmZlcmVudCBNVEsgc29jPwo+ID4gPiAKPiA+IFllcwo+IAo+IEkgY2FuIG5v dCBpbWFnaW5nIHRoYXQsIHNvIGNvdWxkIHlvdSBnaXZlIG1lIGFuIGV4YW1wbGUgc291cmNlIGNv ZGUgb2YKPiBvdGhlciBNVEsgc29jIGZvciBwYXJzZV9jbGtfZnJvbV9kdCgpPwo+IApJIHdpbGwg ZG8gc29tZSBjaGFuZ2VzIGFjY29yZGluZyB0byB5b3VyIGNvbW1lbnRzLiAKCj4gPiA+ID4gKwo+ ID4gPiA+ICsKPiA+ID4gPiArc3RhdGljIGNvbnN0IHN0cnVjdCBtdGtfZHBpX2NvbmYgbXQ4MTcz X2NvbmYgPSB7Cj4gPiA+ID4gKwkucGFyc2VfY2xrX2Zyb21fZHQgPSBtdDgxNzNfcGFyc2VfY2xr X2Zyb21fZHQsCj4gPiA+ID4gKwkuY2xrX2NvbmZpZyA9IG10ODE3M19jbGtfY29uZmlnLAo+ID4g PiA+ICt9Owo+ID4gPiA+ICsKPiA+ID4gPiArc3RhdGljIGNvbnN0IHN0cnVjdCBvZl9kZXZpY2Vf aWQgbXRrX2RwaV9vZl9pZHNbXSA9IHsKPiA+ID4gPiArCXsgLmNvbXBhdGlibGUgPSAibWVkaWF0 ZWssbXQ4MTczLWRwaSIsCj4gPiA+ID4gKwkJLmRhdGEgPSAmbXQ4MTczX2NvbmYsCj4gPiA+ID4g Kwl9LAo+ID4gPiA+ICsJe30KPiA+ID4gPiArfTsKPiA+ID4gPiArCj4gPiA+ID4gIHN0YXRpYyBp bnQgbXRrX2RwaV9wcm9iZShzdHJ1Y3QgcGxhdGZvcm1fZGV2aWNlICpwZGV2KQo+ID4gPiA+ICB7 Cj4gPiA+ID4gIAlzdHJ1Y3QgZGV2aWNlICpkZXYgPSAmcGRldi0+ZGV2Owo+ID4gPiA+ICAJc3Ry dWN0IG10a19kcGkgKmRwaTsKPiA+ID4gPiAgCXN0cnVjdCByZXNvdXJjZSAqbWVtOwo+ID4gPiA+ ICsJc3RydWN0IGRldmljZV9ub2RlICpucCA9IGRldi0+b2Zfbm9kZTsKPiA+ID4gPiAgCXN0cnVj dCBkZXZpY2Vfbm9kZSAqZXAsICpicmlkZ2Vfbm9kZSA9IE5VTEw7Cj4gPiA+ID4gIAlpbnQgY29t cF9pZDsKPiA+ID4gPiArCWNvbnN0IHN0cnVjdCBvZl9kZXZpY2VfaWQgKm1hdGNoOwo+ID4gPiA+ ICsJc3RydWN0IG10a19kcGlfY29uZiAqY29uZjsKPiA+ID4gPiAgCWludCByZXQ7Cj4gPiA+ID4g IAo+ID4gPiA+ICsJbWF0Y2ggPSBvZl9tYXRjaF9ub2RlKG10a19kcGlfb2ZfaWRzLCBkZXYtPm9m X25vZGUpOwo+ID4gPiA+ICsJaWYgKCFtYXRjaCkKPiA+ID4gPiArCQlyZXR1cm4gLUVOT0RFVjsK PiA+ID4gPiArCj4gPiA+ID4gIAlkcGkgPSBkZXZtX2t6YWxsb2MoZGV2LCBzaXplb2YoKmRwaSks IEdGUF9LRVJORUwpOwo+ID4gPiA+ICAJaWYgKCFkcGkpCj4gPiA+ID4gIAkJcmV0dXJuIC1FTk9N RU07Cj4gPiA+ID4gIAo+ID4gPiA+ICAJZHBpLT5kZXYgPSBkZXY7Cj4gPiA+ID4gKwlkcGktPmRh dGEgPSAodm9pZCAqKW1hdGNoLT5kYXRhOwo+ID4gPiA+ICsJY29uZiA9IChzdHJ1Y3QgbXRrX2Rw aV9jb25mICopbWF0Y2gtPmRhdGE7Cj4gPiA+ID4gIAo+ID4gPiA+ICAJbWVtID0gcGxhdGZvcm1f Z2V0X3Jlc291cmNlKHBkZXYsIElPUkVTT1VSQ0VfTUVNLCAwKTsKPiA+ID4gPiAgCWRwaS0+cmVn cyA9IGRldm1faW9yZW1hcF9yZXNvdXJjZShkZXYsIG1lbSk7Cj4gPiA+ID4gQEAgLTY3OSwyNCAr Nzc3LDkgQEAgc3RhdGljIGludCBtdGtfZHBpX3Byb2JlKHN0cnVjdCBwbGF0Zm9ybV9kZXZpY2Ug KnBkZXYpCj4gPiA+ID4gIAkJcmV0dXJuIHJldDsKPiA+ID4gPiAgCX0KPiA+ID4gPiAgCj4gPiA+ ID4gLQlkcGktPmVuZ2luZV9jbGsgPSBkZXZtX2Nsa19nZXQoZGV2LCAiZW5naW5lIik7Cj4gPiA+ ID4gLQlpZiAoSVNfRVJSKGRwaS0+ZW5naW5lX2NsaykpIHsKPiA+ID4gPiAtCQlyZXQgPSBQVFJf RVJSKGRwaS0+ZW5naW5lX2Nsayk7Cj4gPiA+ID4gLQkJZGV2X2VycihkZXYsICJGYWlsZWQgdG8g Z2V0IGVuZ2luZSBjbG9jazogJWRcbiIsIHJldCk7Cj4gPiA+ID4gLQkJcmV0dXJuIHJldDsKPiA+ ID4gPiAtCX0KPiA+ID4gPiAtCj4gPiA+ID4gLQlkcGktPnBpeGVsX2NsayA9IGRldm1fY2xrX2dl dChkZXYsICJwaXhlbCIpOwo+ID4gPiA+IC0JaWYgKElTX0VSUihkcGktPnBpeGVsX2NsaykpIHsK PiA+ID4gPiAtCQlyZXQgPSBQVFJfRVJSKGRwaS0+cGl4ZWxfY2xrKTsKPiA+ID4gPiAtCQlkZXZf ZXJyKGRldiwgIkZhaWxlZCB0byBnZXQgcGl4ZWwgY2xvY2s6ICVkXG4iLCByZXQpOwo+ID4gPiA+ IC0JCXJldHVybiByZXQ7Cj4gPiA+ID4gLQl9Cj4gPiA+ID4gLQo+ID4gPiA+IC0JZHBpLT50dmRf Y2xrID0gZGV2bV9jbGtfZ2V0KGRldiwgInBsbCIpOwo+ID4gPiA+IC0JaWYgKElTX0VSUihkcGkt PnR2ZF9jbGspKSB7Cj4gPiA+ID4gLQkJcmV0ID0gUFRSX0VSUihkcGktPnR2ZF9jbGspOwo+ID4g PiA+IC0JCWRldl9lcnIoZGV2LCAiRmFpbGVkIHRvIGdldCB0dmRwbGwgY2xvY2s6ICVkXG4iLCBy ZXQpOwo+ID4gPiA+ICsJcmV0ID0gY29uZi0+cGFyc2VfY2xrX2Zyb21fZHQoZHBpLCBucCk7Cj4g PiA+ID4gKwlpZiAocmV0KSB7Cj4gPiA+ID4gKwkJZGV2X2VycihkZXYsICJwYXJzZSB0dmQgZGl2 IGNsayBmYWlsZWQhIik7Cj4gPiA+ID4gIAkJcmV0dXJuIHJldDsKPiA+ID4gPiAgCX0KPiA+ID4g PiAgCj4gPiA+ID4gQEAgLTc1NCwxMSArODM3LDYgQEAgc3RhdGljIGludCBtdGtfZHBpX3JlbW92 ZShzdHJ1Y3QgcGxhdGZvcm1fZGV2aWNlICpwZGV2KQo+ID4gPiA+ICAJcmV0dXJuIDA7Cj4gPiA+ ID4gIH0KPiA+ID4gPiAgCj4gPiA+ID4gLXN0YXRpYyBjb25zdCBzdHJ1Y3Qgb2ZfZGV2aWNlX2lk IG10a19kcGlfb2ZfaWRzW10gPSB7Cj4gPiA+ID4gLQl7IC5jb21wYXRpYmxlID0gIm1lZGlhdGVr LG10ODE3My1kcGkiLCB9LAo+ID4gPiA+IC0Je30KPiA+ID4gPiAtfTsKPiA+ID4gPiAtCj4gPiA+ ID4gIHN0cnVjdCBwbGF0Zm9ybV9kcml2ZXIgbXRrX2RwaV9kcml2ZXIgPSB7Cj4gPiA+ID4gIAku cHJvYmUgPSBtdGtfZHBpX3Byb2JlLAo+ID4gPiA+ICAJLnJlbW92ZSA9IG10a19kcGlfcmVtb3Zl LAo+ID4gPiAKPiA+ID4gUmVnYXJkcywKPiA+ID4gQ0sKPiA+ID4gCj4gPiAKPiAKPiAKPiBSZWdh cmRzLAo+IENLCj4gPiAKPiAKPiAKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVl ZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5m by9kcmktZGV2ZWwK