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Wed, 27 Nov 2019 09:31:44 +0800 Received: from [172.21.77.4] (172.21.77.4) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Wed, 27 Nov 2019 09:30:52 +0800 Message-ID: <1574818303.15691.10.camel@mtksdaap41> Subject: Re: [PATCH v1] drm/mediatek: fix up 1440x900 dp display black screen issue From: CK Hu To: CC: Philipp Zabel , Rob Herring , Matthias Brugger , "David Airlie" , Daniel Vetter , Mark Rutland , , , , , Date: Wed, 27 Nov 2019 09:31:43 +0800 In-Reply-To: <1574750869-12611-1-git-send-email-yongqiang.niu@mediatek.com> References: <1574750869-12611-1-git-send-email-yongqiang.niu@mediatek.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-TM-SNTS-SMTP: B6B9FEC13DEDCAA3FED78A3946FCFD3C5E46997A32C15BEB208086C51E86B01A2000:8 X-MTK: N Content-Transfer-Encoding: base64 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org SGksIFlvbmdxaWFuZzoNCg0KT24gVHVlLCAyMDE5LTExLTI2IGF0IDE0OjQ3ICswODAwLCB5b25n cWlhbmcubml1QG1lZGlhdGVrLmNvbSB3cm90ZToNCj4gRnJvbTogWW9uZ3FpYW5nIE5pdSA8eW9u Z3FpYW5nLm5pdUBtZWRpYXRlay5jb20+DQo+IA0KPiBUaGlzIHBhdGNoIGZpeCB1cCAxNDQweDkw MCBkcCBkaXNwbGF5IGJsYWNrIHNjcmVlbiBpc3N1ZQ0KPiB0aGUgY29tcHV0ZWQgcmVzdWx0IHdp bGwgb3ZlcmZsb3cgcmRtYTEgZmlmbyBtYXggc2l6ZQ0KPiB3aGVuIGV4dGVybmFsIGRpc3BsYXkg cGl4ZWwgY2xvY2sgYmlnZ2VyIHRoYW4gNzRNSFoNCj4gDQo+IFNpZ25lZC1vZmYtYnk6IFlvbmdx aWFuZyBOaXUgPHlvbmdxaWFuZy5uaXVAbWVkaWF0ZWsuY29tPg0KPiAtLS0NCj4gIGRyaXZlcnMv Z3B1L2RybS9tZWRpYXRlay9tdGtfZGlzcF9yZG1hLmMgfCA0ICsrKysNCj4gIDEgZmlsZSBjaGFu Z2VkLCA0IGluc2VydGlvbnMoKykNCj4gDQo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0v bWVkaWF0ZWsvbXRrX2Rpc3BfcmRtYS5jIGIvZHJpdmVycy9ncHUvZHJtL21lZGlhdGVrL210a19k aXNwX3JkbWEuYw0KPiBpbmRleCBjMWFiZGUzLi40MTE0M2Y1IDEwMDY0NA0KPiAtLS0gYS9kcml2 ZXJzL2dwdS9kcm0vbWVkaWF0ZWsvbXRrX2Rpc3BfcmRtYS5jDQo+ICsrKyBiL2RyaXZlcnMvZ3B1 L2RybS9tZWRpYXRlay9tdGtfZGlzcF9yZG1hLmMNCj4gQEAgLTE1Miw2ICsxNTIsMTAgQEAgc3Rh dGljIHZvaWQgbXRrX3JkbWFfY29uZmlnKHN0cnVjdCBtdGtfZGRwX2NvbXAgKmNvbXAsIHVuc2ln bmVkIGludCB3aWR0aCwNCj4gIAkgKiBhY2NvdW50IGZvciBibGFua2luZywgYW5kIHdpdGggYSBw aXhlbCBkZXB0aCBvZiA0IGJ5dGVzOg0KPiAgCSAqLw0KPiAgCXRocmVzaG9sZCA9IHdpZHRoICog aGVpZ2h0ICogdnJlZnJlc2ggKiA0ICogNyAvIDEwMDAwMDA7DQo+ICsNCj4gKwlpZiAodGhyZXNo b2xkID4gcmRtYV9maWZvX3NpemUpDQo+ICsJCXRocmVzaG9sZCA9IHJkbWFfZmlmb19zaXplOw0K PiArDQoNClRoaXMgbG9va3MgbGlrZSB0aGF0IHRocmVzaG9sZCBpcyBvdmVyIHNwZWMuIEkgdGhp bmsgdGhpcyBGSUZPIGlzIHVzZWQNCnRvIGNvdmVyIHRoZSBsYXRlbmN5IG9mIHJlYWRpbmcgZGF0 YSBmcm9tIERSQU0uIFdoZW4gZGF0YSBpcyByZWFkIGZyb20NCk9WTCBub3QgUkRNQSwgT1ZMIGFs cmVhZHkgaGFzIGEgRklGTywgc28gUkRNQSBGSUZPIGlzIHVzZWxlc3MuIFNvIEkNCnRoaW5rIHlv dSBzaG91bGQgc2V0IHRocmVzaG9sZCB0byBhIHNwZWNpYWwgdmFsdWUgd2hlbiBSRE1BIGlzIGlu IGRpcmVjdA0KbGluayBtb2RlLg0KDQpSZWdhcmRzLA0KQ0sNCg0KPiAgCXJlZyA9IFJETUFfRklG T19VTkRFUkZMT1dfRU4gfA0KPiAgCSAgICAgIFJETUFfRklGT19QU0VVRE9fU0laRShyZG1hX2Zp Zm9fc2l6ZSkgfA0KPiAgCSAgICAgIFJETUFfT1VUUFVUX1ZBTElEX0ZJRk9fVEhSRVNIT0xEKHRo cmVzaG9sZCk7DQoNCg==