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Thu, 29 Apr 2021 10:23:46 +0800 Message-ID: <21aa84ce0681ebc0682d9b9cad5b6180f3b0ea5b.camel@mediatek.com> Subject: Re: [v2,PATCH 1/3] drm/mediatek: dpi dual edge sample mode support From: Rex-BC Chen To: Neil Armstrong , , CC: , , , , , Jitao Shi Date: Thu, 29 Apr 2021 10:23:46 +0800 In-Reply-To: References: <1618407316-10042-1-git-send-email-rex-bc.chen@mediatek.com> <1618407316-10042-2-git-send-email-rex-bc.chen@mediatek.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.28.5-0ubuntu0.18.04.2 MIME-Version: 1.0 X-TM-SNTS-SMTP: 079D6E7CD5DAD064F57F9898547CAB31CF76F7775DBE867A0942E66CFC3EBF782000:8 X-MTK: N Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org T24gTW9uLCAyMDIxLTA0LTE5IGF0IDA5OjM2ICswMjAwLCBOZWlsIEFybXN0cm9uZyB3cm90ZToN Cj4gSGksDQo+IA0KPiBPbiAxNC8wNC8yMDIxIDE1OjM1LCBSZXgtQkMgQ2hlbiB3cm90ZToNCj4g PiBEUEkgY2FuIHNhbXBsZSBvbiBmYWxsaW5nLCByaXNpbmcgb3IgYm90aCBlZGdlLg0KPiA+IFdo ZW4gRFBJIHNhbXBsZSB0aGUgZGF0YSBib3RoIHJpc2luZyBhbmQgZmFsbGluZyBlZGdlLg0KPiA+ IEl0IGNhbiByZWR1Y2UgaGFsZiBkYXRhIGlvIHBpbnMuDQo+ID4gDQo+ID4gU2lnbmVkLW9mZi1i eTogSml0YW8gU2hpIDxqaXRhby5zaGlAbWVkaWF0ZWsuY29tPg0KPiA+IFNpZ25lZC1vZmYtYnk6 IFJleC1CQyBDaGVuIDxyZXgtYmMuY2hlbkBtZWRpYXRlay5jb20+DQo+ID4gLS0tDQo+ID4gIGRy aXZlcnMvZ3B1L2RybS9tZWRpYXRlay9tdGtfZHBpLmMgfCAxMiArKysrKysrKysrKysNCj4gPiAg MSBmaWxlIGNoYW5nZWQsIDEyIGluc2VydGlvbnMoKykNCj4gPiANCj4gPiBkaWZmIC0tZ2l0IGEv ZHJpdmVycy9ncHUvZHJtL21lZGlhdGVrL210a19kcGkuYw0KPiA+IGIvZHJpdmVycy9ncHUvZHJt L21lZGlhdGVrL210a19kcGkuYw0KPiA+IGluZGV4IGIwNWY5MDBkOTMyMi4uMjFhM2E3Yjc4ODM1 IDEwMDY0NA0KPiA+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9tZWRpYXRlay9tdGtfZHBpLmMNCj4g PiArKysgYi9kcml2ZXJzL2dwdS9kcm0vbWVkaWF0ZWsvbXRrX2RwaS5jDQo+ID4gQEAgLTgzLDYg KzgzLDcgQEAgc3RydWN0IG10a19kcGkgew0KPiA+ICAJc3RydWN0IHBpbmN0cmwgKnBpbmN0cmw7 DQo+ID4gIAlzdHJ1Y3QgcGluY3RybF9zdGF0ZSAqcGluc19ncGlvOw0KPiA+ICAJc3RydWN0IHBp bmN0cmxfc3RhdGUgKnBpbnNfZHBpOw0KPiA+ICsJYm9vbCBkZHJfZWRnZV9zZWw7DQo+ID4gIAlp bnQgcmVmY291bnQ7DQo+ID4gIH07DQo+ID4gIA0KPiA+IEBAIC0xMjEsNiArMTIyLDcgQEAgc3Ry dWN0IG10a19kcGlfY29uZiB7DQo+ID4gIAl1bnNpZ25lZCBpbnQgKCpjYWxfZmFjdG9yKShpbnQg Y2xvY2spOw0KPiA+ICAJdTMyIHJlZ19oX2ZyZV9jb247DQo+ID4gIAlib29sIGVkZ2Vfc2VsX2Vu Ow0KPiA+ICsJYm9vbCBkdWFsX2VkZ2U7DQo+ID4gIH07DQo+ID4gIA0KPiA+ICBzdGF0aWMgdm9p ZCBtdGtfZHBpX21hc2soc3RydWN0IG10a19kcGkgKmRwaSwgdTMyIG9mZnNldCwgdTMyIHZhbCwN Cj4gPiB1MzIgbWFzaykNCj4gPiBAQCAtMzgwLDYgKzM4MiwxNSBAQCBzdGF0aWMgdm9pZCBtdGtf ZHBpX2NvbmZpZ19jb2xvcl9mb3JtYXQoc3RydWN0DQo+ID4gbXRrX2RwaSAqZHBpLA0KPiA+ICAJ fQ0KPiA+ICB9DQo+ID4gIA0KPiA+ICtzdGF0aWMgdm9pZCBtdGtfZHBpX2R1YWxfZWRnZShzdHJ1 Y3QgbXRrX2RwaSAqZHBpKQ0KPiA+ICt7DQo+ID4gKwlpZiAoZHBpLT5jb25mLT5kdWFsX2VkZ2Up IHsNCj4gPiArCQltdGtfZHBpX21hc2soZHBpLCBEUElfRERSX1NFVFRJTkcsIEREUl9FTiB8IERE Ul80UEhBU0UsDQo+ID4gKwkJCSAgICAgRERSX0VOIHwgRERSXzRQSEFTRSk7DQo+ID4gKwkJbXRr X2RwaV9tYXNrKGRwaSwgRFBJX09VVFBVVF9TRVRUSU5HLCBkcGktPmRkcl9lZGdlX3NlbCANCj4g PiA/IEVER0VfU0VMIDogMCwgRURHRV9TRUwpOw0KPiA+ICsJfQ0KPiA+ICt9DQo+ID4gKw0KPiAN Cj4gQnkgdXNpbmcgdGhlIGRvd25zdHJlYW0gY29kZSBhcyByZWZlcmVuY2U6DQo+IA0KPiAtICAg ICAgIGNsa19zZXRfcmF0ZShkcGktPnBpeGVsX2Nsaywgdm0ucGl4ZWxjbG9jayk7DQo+ICsgICAg ICAgY2xrX3NldF9yYXRlKGRwaS0+cGl4ZWxfY2xrLCB2bS5waXhlbGNsb2NrICogKGRwaS0+Y29u Zi0NCj4gPmR1YWxfZWRnZSA/IDIgOiAxKSk7DQo+IA0KPiBpcyBtaXNzaW5nIGluIG10a19kcGlf c2V0X2Rpc3BsYXlfbW9kZSgpDQo+IA0KSGVsbG8gTmVpbCwNCg0KVGhhbmtzIGZvciBoZWxwaW5n IGNoZWNraW5nIHRoaXMuDQpJIHdpbGwgYWRkIHRoaXMgbW9kaWZpY2F0aW9uIGZvciBuZXh0IHBh dGNoLg0KDQpCUnMsDQpSZXgtQkMgQ2hlbg0KPiA+ICBzdGF0aWMgdm9pZCBtdGtfZHBpX3Bvd2Vy X29mZihzdHJ1Y3QgbXRrX2RwaSAqZHBpKQ0KPiA+ICB7DQo+ID4gIAlpZiAoV0FSTl9PTihkcGkt PnJlZmNvdW50ID09IDApKQ0KPiA+IEBAIC01MTgsNiArNTI5LDcgQEAgc3RhdGljIGludCBtdGtf ZHBpX3NldF9kaXNwbGF5X21vZGUoc3RydWN0DQo+ID4gbXRrX2RwaSAqZHBpLA0KPiA+ICAJbXRr X2RwaV9jb25maWdfeWNfbWFwKGRwaSwgZHBpLT55Y19tYXApOw0KPiA+ICAJbXRrX2RwaV9jb25m aWdfY29sb3JfZm9ybWF0KGRwaSwgZHBpLT5jb2xvcl9mb3JtYXQpOw0KPiA+ICAJbXRrX2RwaV9j b25maWdfMm5faF9mcmUoZHBpKTsNCj4gPiArCW10a19kcGlfZHVhbF9lZGdlKGRwaSk7DQo+ID4g IAltdGtfZHBpX2NvbmZpZ19kaXNhYmxlX2VkZ2UoZHBpKTsNCj4gPiAgCW10a19kcGlfc3dfcmVz ZXQoZHBpLCBmYWxzZSk7DQo+ID4gIA0KPiA+IA0KPiANCj4gTmVpbA0K