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Thu, 28 Jan 2021 15:42:46 +0800 Message-ID: <1611819766.16091.4.camel@mtksdaap41> Subject: Re: [PATCH v11 7/9] drm/mediatek: enable dither function From: CK Hu To: Hsin-Yi Wang CC: Philipp Zabel , Matthias Brugger , David Airlie , Daniel Vetter , Mark Rutland , , , , , , Yongqiang Niu Date: Thu, 28 Jan 2021 15:42:46 +0800 In-Reply-To: <20210128072802.830971-8-hsinyi@chromium.org> References: <20210128072802.830971-1-hsinyi@chromium.org> <20210128072802.830971-8-hsinyi@chromium.org> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-TM-SNTS-SMTP: 8A70314F22D8F0A6B6BFCADD8C97819AA697AC672BFA54AF2FF1F0D0FF62D6932000:8 X-MTK: N Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org SGksIEhzaW4tWWk6DQoNCk9uIFRodSwgMjAyMS0wMS0yOCBhdCAxNToyOCArMDgwMCwgSHNpbi1Z aSBXYW5nIHdyb3RlOg0KPiBGcm9tOiBZb25ncWlhbmcgTml1IDx5b25ncWlhbmcubml1QG1lZGlh dGVrLmNvbT4NCj4gDQo+IGZvciA1IG9yIDYgYnBjIHBhbmVsLCB3ZSBuZWVkIGVuYWJsZSBkaXRo ZXIgZnVuY3Rpb24NCj4gdG8gaW1wcm92ZSB0aGUgZGlzcGxheSBxdWFsaXR5DQo+IA0KPiBTaWdu ZWQtb2ZmLWJ5OiBZb25ncWlhbmcgTml1IDx5b25ncWlhbmcubml1QG1lZGlhdGVrLmNvbT4NCj4g U2lnbmVkLW9mZi1ieTogSHNpbi1ZaSBXYW5nIDxoc2lueWlAY2hyb21pdW0ub3JnPg0KPiAtLS0N Cj4gIGRyaXZlcnMvZ3B1L2RybS9tZWRpYXRlay9tdGtfZHJtX2RkcF9jb21wLmMgfCA0NCArKysr KysrKysrKysrKysrKysrKy0NCj4gIDEgZmlsZSBjaGFuZ2VkLCA0MyBpbnNlcnRpb25zKCspLCAx IGRlbGV0aW9uKC0pDQo+IA0KPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL21lZGlhdGVr L210a19kcm1fZGRwX2NvbXAuYyBiL2RyaXZlcnMvZ3B1L2RybS9tZWRpYXRlay9tdGtfZHJtX2Rk cF9jb21wLmMNCj4gaW5kZXggODE3M2Y3MDkyNzJiZS4uZTg1NjI1NzA0ZDYxMSAxMDA2NDQNCj4g LS0tIGEvZHJpdmVycy9ncHUvZHJtL21lZGlhdGVrL210a19kcm1fZGRwX2NvbXAuYw0KPiArKysg Yi9kcml2ZXJzL2dwdS9kcm0vbWVkaWF0ZWsvbXRrX2RybV9kZHBfY29tcC5jDQo+IEBAIC01Myw3 ICs1Myw5IEBADQo+ICAjZGVmaW5lIERJVEhFUl9FTgkJCQlCSVQoMCkNCj4gICNkZWZpbmUgRElT UF9ESVRIRVJfQ0ZHCQkJCTB4MDAyMA0KPiAgI2RlZmluZSBESVRIRVJfUkVMQVlfTU9ERQkJCUJJ VCgwKQ0KPiArI2RlZmluZSBESVRIRVJfRU5HSU5FX0VOCQkJQklUKDEpDQo+ICAjZGVmaW5lIERJ U1BfRElUSEVSX1NJWkUJCQkweDAwMzANCj4gKyNkZWZpbmUgRElUSEVSX1JFRyhpZHgpCQkJCSgw eDEwMCArIChpZHgpICogNCkNCj4gIA0KPiAgI2RlZmluZSBMVVRfMTBCSVRfTUFTSwkJCQkweDAz ZmYNCj4gIA0KPiBAQCAtMzEzLDggKzMxNSw0OCBAQCBzdGF0aWMgdm9pZCBtdGtfZGl0aGVyX2Nv bmZpZyhzdHJ1Y3QgZGV2aWNlICpkZXYsIHVuc2lnbmVkIGludCB3LA0KPiAgew0KPiAgCXN0cnVj dCBtdGtfZGRwX2NvbXBfZGV2ICpwcml2ID0gZGV2X2dldF9kcnZkYXRhKGRldik7DQo+ICANCj4g Kwlib29sIGVuYWJsZSA9IGZhbHNlOw0KPiArDQo+ICsJLyogZGVmYXVsdCB2YWx1ZSBmb3IgZGl0 aGVyIHJlZyA1IHRvIDE0ICovDQo+ICsJY29uc3QgdTMyIGRpdGhlcl9zZXR0aW5nW10gPSB7DQo+ ICsJCTB4MDAwMDAwMDAsIC8qIDUgKi8NCj4gKwkJMHgwMDAwMzAwMiwgLyogNiAqLw0KPiArCQkw eDAwMDAwMDAwLCAvKiA3ICovDQo+ICsJCTB4MDAwMDAwMDAsIC8qIDggKi8NCj4gKwkJMHgwMDAw MDAwMCwgLyogOSAqLw0KPiArCQkweDAwMDAwMDAwLCAvKiAxMCAqLw0KPiArCQkweDAwMDAwMDAw LCAvKiAxMSAqLw0KPiArCQkweDAwMDAwMDExLCAvKiAxMiAqLw0KPiArCQkweDAwMDAwMDAwLCAv KiAxMyAqLw0KPiArCQkweDAwMDAwMDAwLCAvKiAxNCAqLw0KDQpDb3VsZCB5b3UgZXhwbGFpbiB3 aGF0IGlzIHRoaXM/DQoNCj4gKwl9Ow0KPiArDQo+ICsJaWYgKGJwYyA9PSA1IHx8IGJwYyA9PSA2 KSB7DQo+ICsJCWVuYWJsZSA9IHRydWU7DQo+ICsJCW10a19kZHBfd3JpdGUoY21kcV9wa3QsDQo+ ICsJCQkgICAgICBESVRIRVJfTFNCX0VSUl9TSElGVF9SKE1US19NQVhfQlBDIC0gYnBjKSB8DQo+ ICsJCQkgICAgICBESVRIRVJfQUREX0xTSElGVF9SKE1US19NQVhfQlBDIC0gYnBjKSB8DQo+ICsJ CQkgICAgICBESVRIRVJfTkVXX0JJVF9NT0RFLA0KPiArCQkJICAgICAgJnByaXYtPmNtZHFfcmVn LCBwcml2LT5yZWdzLCBESVRIRVJfUkVHKDE1KSk7DQo+ICsJCW10a19kZHBfd3JpdGUoY21kcV9w a3QsDQo+ICsJCQkgICAgICBESVRIRVJfTFNCX0VSUl9TSElGVF9CKE1US19NQVhfQlBDIC0gYnBj KSB8DQo+ICsJCQkgICAgICBESVRIRVJfQUREX0xTSElGVF9CKE1US19NQVhfQlBDIC0gYnBjKSB8 DQo+ICsJCQkgICAgICBESVRIRVJfTFNCX0VSUl9TSElGVF9HKE1US19NQVhfQlBDIC0gYnBjKSB8 DQo+ICsJCQkgICAgICBESVRIRVJfQUREX0xTSElGVF9HKE1US19NQVhfQlBDIC0gYnBjKSwNCg0K VGhpcyByZXN1bHQgaW4gMHg1MDUwNTA1MCwgYnV0IHByZXZpb3VzIHZlcnNpb24gaXMgMHg1MDUw NDA0MCwgc28gdGhpcw0KdmVyc2lvbiBpcyBjb3JyZWN0IGFuZCBwcmV2aW91cyB2ZXJzaW9uIGlz IGluY29ycmVjdD8NCg0KUmVnYXJkcywNCkNLDQoNCj4gKwkJCSAgICAgICZwcml2LT5jbWRxX3Jl ZywgcHJpdi0+cmVncywgRElUSEVSX1JFRygxNikpOw0KPiArCX0NCj4gKw0KPiArDQo+ICsJaWYg KGVuYWJsZSkgew0KPiArCQl1MzIgaWR4Ow0KPiArDQo+ICsJCWZvciAoaWR4ID0gMDsgaWR4IDwg QVJSQVlfU0laRShkaXRoZXJfc2V0dGluZyk7IGlkeCsrKQ0KPiArCQkJbXRrX2RkcF93cml0ZShj bWRxX3BrdCwgZGl0aGVyX3NldHRpbmdbaWR4XSwgJnByaXYtPmNtZHFfcmVnLCBwcml2LT5yZWdz LA0KPiArCQkJCSAgICAgIERJVEhFUl9SRUcoaWR4ICsgNSkpOw0KPiArCX0NCj4gKw0KPiAgCW10 a19kZHBfd3JpdGUoY21kcV9wa3QsIGggPDwgMTYgfCB3LCAmcHJpdi0+Y21kcV9yZWcsIHByaXYt PnJlZ3MsIERJU1BfRElUSEVSX1NJWkUpOw0KPiAtCW10a19kZHBfd3JpdGUoY21kcV9wa3QsIERJ VEhFUl9SRUxBWV9NT0RFLCAmcHJpdi0+Y21kcV9yZWcsIHByaXYtPnJlZ3MsIERJU1BfRElUSEVS X0NGRyk7DQo+ICsgICAgICAgIG10a19kZHBfd3JpdGUoY21kcV9wa3QsIGVuYWJsZSA/IERJVEhF Ul9FTkdJTkVfRU4gOiBESVRIRVJfUkVMQVlfTU9ERSwgJnByaXYtPmNtZHFfcmVnLCBwcml2LT5y ZWdzLCBESVNQX0RJVEhFUl9DRkcpOw0KPiAgfQ0KPiAgDQo+ICBzdGF0aWMgdm9pZCBtdGtfZGl0 aGVyX3N0YXJ0KHN0cnVjdCBkZXZpY2UgKmRldikNCg0K