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Wed, 26 Feb 2020 16:11:04 +0800 Received: from [172.21.77.4] (172.21.77.4) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Wed, 26 Feb 2020 16:13:05 +0800 Message-ID: <1582704777.11957.1.camel@mtksdaap41> Subject: Re: [PATCH v9 5/5] drm/mediatek: set dpi pin mode to gpio low to avoid leakage current From: CK Hu To: Jitao Shi CC: Rob Herring , Mark Rutland , Matthias Brugger , Daniel Vetter , David Airlie , , , , , , , , , , , , Date: Wed, 26 Feb 2020 16:12:57 +0800 In-Reply-To: <20200226053238.31646-6-jitao.shi@mediatek.com> References: <20200226053238.31646-1-jitao.shi@mediatek.com> <20200226053238.31646-6-jitao.shi@mediatek.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-MTK: N Content-Transfer-Encoding: base64 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org SGksIEppdGFvOg0KDQpPbiBXZWQsIDIwMjAtMDItMjYgYXQgMTM6MzIgKzA4MDAsIEppdGFvIFNo aSB3cm90ZToNCj4gQ29uZmlnIGRwaSBwaW5zIG1vZGUgdG8gb3V0cHV0IGFuZCBwdWxsIGxvdyB3 aGVuIGRwaSBpcyBkaXNhYmxlZC4NCj4gQW92aWQgbGVha2FnZSBjdXJyZW50IGZyb20gc29tZSBk cGkgcGlucyAoSHN5bmMgVnN5bmMgREUgLi4uICkuDQo+IA0KDQpSZXZpZXdlZC1ieTogQ0sgSHUg PGNrLmh1QG1lZGlhdGVrLmNvbT4NCg0KPiBTaWduZWQtb2ZmLWJ5OiBKaXRhbyBTaGkgPGppdGFv LnNoaUBtZWRpYXRlay5jb20+DQo+IC0tLQ0KPiAgZHJpdmVycy9ncHUvZHJtL21lZGlhdGVrL210 a19kcGkuYyB8IDMxICsrKysrKysrKysrKysrKysrKysrKysrKysrKysrKw0KPiAgMSBmaWxlIGNo YW5nZWQsIDMxIGluc2VydGlvbnMoKykNCj4gDQo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9k cm0vbWVkaWF0ZWsvbXRrX2RwaS5jIGIvZHJpdmVycy9ncHUvZHJtL21lZGlhdGVrL210a19kcGku Yw0KPiBpbmRleCBkYjMyNzJmN2E0YzQuLmFlNGM2MzA4YmI2OCAxMDA2NDQNCj4gLS0tIGEvZHJp dmVycy9ncHUvZHJtL21lZGlhdGVrL210a19kcGkuYw0KPiArKysgYi9kcml2ZXJzL2dwdS9kcm0v bWVkaWF0ZWsvbXRrX2RwaS5jDQo+IEBAIC0xMCw3ICsxMCw5IEBADQo+ICAjaW5jbHVkZSA8bGlu dXgva2VybmVsLmg+DQo+ICAjaW5jbHVkZSA8bGludXgvb2YuaD4NCj4gICNpbmNsdWRlIDxsaW51 eC9vZl9kZXZpY2UuaD4NCj4gKyNpbmNsdWRlIDxsaW51eC9vZl9ncGlvLmg+DQo+ICAjaW5jbHVk ZSA8bGludXgvb2ZfZ3JhcGguaD4NCj4gKyNpbmNsdWRlIDxsaW51eC9waW5jdHJsL2NvbnN1bWVy Lmg+DQo+ICAjaW5jbHVkZSA8bGludXgvcGxhdGZvcm1fZGV2aWNlLmg+DQo+ICAjaW5jbHVkZSA8 bGludXgvdHlwZXMuaD4NCj4gIA0KPiBAQCAtNzQsNiArNzYsOSBAQCBzdHJ1Y3QgbXRrX2RwaSB7 DQo+ICAJZW51bSBtdGtfZHBpX291dF95Y19tYXAgeWNfbWFwOw0KPiAgCWVudW0gbXRrX2RwaV9v dXRfYml0X251bSBiaXRfbnVtOw0KPiAgCWVudW0gbXRrX2RwaV9vdXRfY2hhbm5lbF9zd2FwIGNo YW5uZWxfc3dhcDsNCj4gKwlzdHJ1Y3QgcGluY3RybCAqcGluY3RybDsNCj4gKwlzdHJ1Y3QgcGlu Y3RybF9zdGF0ZSAqcGluc19ncGlvOw0KPiArCXN0cnVjdCBwaW5jdHJsX3N0YXRlICpwaW5zX2Rw aTsNCj4gIAlpbnQgcmVmY291bnQ7DQo+ICAJdTMyIHBjbGtfc2FtcGxlOw0KPiAgfTsNCj4gQEAg LTM4Nyw2ICszOTIsOSBAQCBzdGF0aWMgdm9pZCBtdGtfZHBpX3Bvd2VyX29mZihzdHJ1Y3QgbXRr X2RwaSAqZHBpKQ0KPiAgCWlmICgtLWRwaS0+cmVmY291bnQgIT0gMCkNCj4gIAkJcmV0dXJuOw0K PiAgDQo+ICsJaWYgKGRwaS0+cGluY3RybCAmJiBkcGktPnBpbnNfZ3BpbykNCj4gKwkJcGluY3Ry bF9zZWxlY3Rfc3RhdGUoZHBpLT5waW5jdHJsLCBkcGktPnBpbnNfZ3Bpbyk7DQo+ICsNCj4gIAlt dGtfZHBpX2Rpc2FibGUoZHBpKTsNCj4gIAljbGtfZGlzYWJsZV91bnByZXBhcmUoZHBpLT5waXhl bF9jbGspOw0KPiAgCWNsa19kaXNhYmxlX3VucHJlcGFyZShkcGktPmVuZ2luZV9jbGspOw0KPiBA QCAtNDExLDYgKzQxOSw5IEBAIHN0YXRpYyBpbnQgbXRrX2RwaV9wb3dlcl9vbihzdHJ1Y3QgbXRr X2RwaSAqZHBpKQ0KPiAgCQlnb3RvIGVycl9waXhlbDsNCj4gIAl9DQo+ICANCj4gKwlpZiAoZHBp LT5waW5jdHJsICYmIGRwaS0+cGluc19kcGkpDQo+ICsJCXBpbmN0cmxfc2VsZWN0X3N0YXRlKGRw aS0+cGluY3RybCwgZHBpLT5waW5zX2RwaSk7DQo+ICsNCj4gIAltdGtfZHBpX2VuYWJsZShkcGkp Ow0KPiAgCXJldHVybiAwOw0KPiAgDQo+IEBAIC03MTksNiArNzMwLDI2IEBAIHN0YXRpYyBpbnQg bXRrX2RwaV9wcm9iZShzdHJ1Y3QgcGxhdGZvcm1fZGV2aWNlICpwZGV2KQ0KPiAgCW9mX3Byb3Bl cnR5X3JlYWRfdTMyX2luZGV4KGRldi0+b2Zfbm9kZSwgInBjbGstc2FtcGxlIiwgMSwNCj4gIAkJ CQkgICAmZHBpLT5wY2xrX3NhbXBsZSk7DQo+ICANCj4gKwlkcGktPnBpbmN0cmwgPSBkZXZtX3Bp bmN0cmxfZ2V0KCZwZGV2LT5kZXYpOw0KPiArCWlmIChJU19FUlIoZHBpLT5waW5jdHJsKSkgew0K PiArCQlkcGktPnBpbmN0cmwgPSBOVUxMOw0KPiArCQlkZXZfZGJnKCZwZGV2LT5kZXYsICJDYW5u b3QgZmluZCBwaW5jdHJsIVxuIik7DQo+ICsJfQ0KPiArCWlmIChkcGktPnBpbmN0cmwpIHsNCj4g KwkJZHBpLT5waW5zX2dwaW8gPSBwaW5jdHJsX2xvb2t1cF9zdGF0ZShkcGktPnBpbmN0cmwsICJn cGlvbW9kZSIpOw0KPiArCQlpZiAoSVNfRVJSKGRwaS0+cGluc19ncGlvKSkgew0KPiArCQkJZHBp LT5waW5zX2dwaW8gPSBOVUxMOw0KPiArCQkJZGV2X2RiZygmcGRldi0+ZGV2LCAiQ2Fubm90IGZp bmQgcGluY3RybCBncGlvbW9kZSFcbiIpOw0KPiArCQl9DQo+ICsJCWlmIChkcGktPnBpbnNfZ3Bp bykNCj4gKwkJCXBpbmN0cmxfc2VsZWN0X3N0YXRlKGRwaS0+cGluY3RybCwgZHBpLT5waW5zX2dw aW8pOw0KPiArDQo+ICsJCWRwaS0+cGluc19kcGkgPSBwaW5jdHJsX2xvb2t1cF9zdGF0ZShkcGkt PnBpbmN0cmwsICJkcGltb2RlIik7DQo+ICsJCWlmIChJU19FUlIoZHBpLT5waW5zX2RwaSkpIHsN Cj4gKwkJCWRwaS0+cGluc19kcGkgPSBOVUxMOw0KPiArCQkJZGV2X2RiZygmcGRldi0+ZGV2LCAi Q2Fubm90IGZpbmQgcGluY3RybCBkcGltb2RlIVxuIik7DQo+ICsJCX0NCj4gKwl9DQo+ICAJbWVt ID0gcGxhdGZvcm1fZ2V0X3Jlc291cmNlKHBkZXYsIElPUkVTT1VSQ0VfTUVNLCAwKTsNCj4gIAlk cGktPnJlZ3MgPSBkZXZtX2lvcmVtYXBfcmVzb3VyY2UoZGV2LCBtZW0pOw0KPiAgCWlmIChJU19F UlIoZHBpLT5yZWdzKSkgew0KDQo=