From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Vivi, Rodrigo" Subject: Re: [PATCH] drm/i915/cnp: Backlight support for CNP. Date: Tue, 23 May 2017 19:33:13 +0000 Message-ID: <1495568006.11850.32.camel@rdvivi-vienna> References: <87d1c9vqfg.fsf@intel.com> <1493855051-23056-1-git-send-email-anusha.srivatsa@intel.com> <87fuglotyi.fsf@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id 87F896E33E for ; Tue, 23 May 2017 19:33:14 +0000 (UTC) In-Reply-To: <87fuglotyi.fsf@intel.com> Content-Language: en-US Content-ID: <53A48A06B8C99841B8C5B0B57A8CEBF8@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: "Nikula, Jani" Cc: "intel-gfx@lists.freedesktop.org" List-Id: intel-gfx@lists.freedesktop.org T24gVGh1LCAyMDE3LTA1LTA0IGF0IDEyOjI0ICswMzAwLCBKYW5pIE5pa3VsYSB3cm90ZToNCj4g T24gV2VkLCAwMyBNYXkgMjAxNywgQW51c2hhIFNyaXZhdHNhIDxhbnVzaGEuc3JpdmF0c2FAaW50 ZWwuY29tPiB3cm90ZToNCj4gPiBGcm9tOiBSb2RyaWdvIFZpdmkgPHJvZHJpZ28udml2aUBpbnRl bC5jb20+DQo+ID4NCj4gPiBTcGxpdCBvdXQgQlhUIGFuZCBDTlAncyBzZXR1cF9iYWNrbGlnaHQo KSxlbmFibGVfYmFja2xpZ2h0KCksDQo+ID4gZGlzYWJsZV9iYWNrbGlnaHQoKSBhbmQgaHpfdG9f cHdtKCkgaW50bw0KPiA+IHR3byBzZXBhcmF0ZSBmdW5jdGlvbnMgaW5zdGVhZCBvZiByZXVzaW5n IEJYVCBmdW5jdGlvbi4NCj4gPg0KPiA+IFJldXNlIHNldF9iYWNrbGlnaHQoKSBhbmQgZ2V0X2Jh Y2tsaWdodCgpIHNpbmNlIHRoZXkgaGF2ZQ0KPiA+IG5vIHJlZmVyZW5jZSB0byB0aGUgdXRpbGl0 eSBwaW4uDQo+ID4NCj4gPiB2MjogUmV1c2UgQlhUIGZ1bmN0aW9ucyB3aXRoIGNvbnRyb2xsZXIg MCBpbnN0ZWFkIG9mDQo+ID4gICAgIHJlZGVmaW5pbmcgaXQuIChKYW5pKS4NCj4gPiAgICAgVXNl IGRldl9wcml2LT5yYXdjbGtfZnJlcSBpbnN0ZWFkIG9mIGdldHRpbmcgdGhlIHZhbHVlDQo+ID4g ICAgIGZyb20gU0ZVU0VfU1RSQVAuDQo+ID4gdjM6IEF2b2lkIHNldHVwIGJhY2tsaWdoIGNvbnRy b2xsZXIgYWxvbmcgd2l0aCBob29rcyBhbmQNCj4gPiAgICAgZnVsbHkgcmV1c2UgaG9va3Mgc2V0 dXAgYXMgc3VnZ2VzdGVkIGJ5IEphbmkuDQo+ID4gdjQ6IENsZWFuIHVwIGNvbW1pdCBtZXNzYWdl Lg0KPiA+IHY1OiBJbXBsZW1lbnQgcGVyIFBDSCBpbnN0ZWFkIHBlciBwbGF0Zm9ybS4NCj4gPg0K PiA+IHY2OiBJbnRyb2R1Y2UgYSBuZXcgZnVuY3Rpb24gZm9yIENOUC4oSmFuaSBhbmQgVmlsbGUp DQo+ID4NCj4gPiB2NzogU3F1YXNoIHRoZSBhbGwgQ05QIEJhY2tsaWdodCBzdXBwb3J0IHBhdGNo ZXMgaW50byBhDQo+ID4gc2luZ2xlIHBhdGNoLiAoSmFuaSkNCj4gPg0KPiA+IHY4OiBDb3JyZWN0 IGluZGVudGF0aW9uLCByZW1vdmUgdW5uZWVkZWQgYmxhbmsgbGluZXMgYW5kDQo+ID4gY29ycmVj dCBtYWlsIGFkZHJlc3MgKEphbmkpLg0KPiA+DQo+ID4gUmV2aWV3ZWQtYnk6IEphbmkgTmlrdWxh IDxqYW5pLm5pa3VsYUBpbnRlbC5jb20+DQo+IA0KPiBZdXAuIFdoYXQncyB0aGUgcGxhbiBmb3Ig bWVyZ2luZyB0aGUgc2VyaWVzLCBpbmNsLiB0aGlzIHBhdGNoPw0KDQpJIHdpbGw6DQoxLiByZWJh c2UgYWxsIHBhdGNoZXMgaGVyZSB3aXRoIGNucCAtIGNmbCAtIGNubA0KMi4gZml4IHRoYXQgcGF0 Y2ggd2l0aCBwcm9wZXIgZ21idXMgcGluIHRhYmxlLg0KMy4gcHJvdmlkZSB0aGUgd29ya2Fyb3Vu ZCBvbiB2YnQgcGFyc2luZyBhcyB2aWxsZSBoYWQgc3VnZ2VzdGVkLg0KNC4gcmUtdGVzdCBvbiB0 aGUgcGxhdGZvcm1zIGhlcmUuDQo1LiBSZXN1Ym1pdCBvbmx5IGZpcnN0IHBhdGNoZXMgdGhhdCB3 b3VsZCBiZSByZWFkeSBmb3IgbWVyZ2luZyBhbHJlYWR5DQphbmQgc3RhcnQgbWVyZ2luZyB0aG9z ZSwgYW5kIGNvbnRpbnVlIHN1Ym1pbnRpbmcgaW4gc21hbGwgY2h1bmtzLiANCg0KU28sIEphbmks IGNvdWxkIHlvdSBwbGVhc2UgcmV2aWV3IGFscmVhZHkgdGhpcw0Kb25lOmh0dHBzOi8vcGF0Y2h3 b3JrLmZyZWVkZXNrdG9wLm9yZy9wYXRjaC8xNTUxNzcvDQoNClRoYW5rcyBhIGxvdCwNClJvZHJp Z28uDQoNCj4gQlIsDQo+IEphbmkuDQo+IA0KPiANCj4gPiBTdWdnZXN0ZWQtYnk6IEphbmkgTmlr dWxhIDxqYW5pLm5pa3VsYUBpbnRlbC5jb20+DQo+ID4gU3VnZ2VzdGVkLWJ5OiBWaWxsZSBTeXJq YWxhIDx2aWxsZS5zeXJqYWxhQGludGVsLmNvbT4NCj4gPiBDYzogVmlsbGUgU3lyamFsYSA8dmls bGUuc3lyamFsYUBsaW51eC5pbnRlbC5jb20+DQo+ID4gQ2M6IEphbmkgTmlrdWxhIDxqYW5pLm5p a3VsYUBpbnRlbC5jb20+DQo+ID4gU2lnbmVkLW9mZi1ieTogQW51c2hhIFNyaXZhdHNhIDxhbnVz aGEuc3JpdmF0c2FAaW50ZWwuY29tPg0KPiA+IFNpZ25lZC1vZmYtYnk6IFJvZHJpZ28gVml2aSA8 cm9kcmlnby52aXZpQGludGVsLmNvbT4NCj4gPiAtLS0NCj4gPiAgZHJpdmVycy9ncHUvZHJtL2k5 MTUvaW50ZWxfcGFuZWwuYyB8IDg4ICsrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysr LS0tDQo+ID4gIDEgZmlsZSBjaGFuZ2VkLCA4MyBpbnNlcnRpb25zKCspLCA1IGRlbGV0aW9ucygt KQ0KPiA+DQo+ID4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3BhbmVs LmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9wYW5lbC5jDQo+ID4gaW5kZXggMTk3OGJl Yy4uOGVlNjFjMSAxMDA2NDQNCj4gPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9w YW5lbC5jDQo+ID4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcGFuZWwuYw0KPiA+ IEBAIC03OTYsNiArNzk2LDE5IEBAIHN0YXRpYyB2b2lkIGJ4dF9kaXNhYmxlX2JhY2tsaWdodChz dHJ1Y3QgaW50ZWxfY29ubmVjdG9yICpjb25uZWN0b3IpDQo+ID4gIAl9DQo+ID4gIH0NCj4gPiAg DQo+ID4gK3N0YXRpYyB2b2lkIGNucF9kaXNhYmxlX2JhY2tsaWdodChzdHJ1Y3QgaW50ZWxfY29u bmVjdG9yICpjb25uZWN0b3IpDQo+ID4gK3sNCj4gPiArCXN0cnVjdCBkcm1faTkxNV9wcml2YXRl ICpkZXZfcHJpdiA9IHRvX2k5MTUoY29ubmVjdG9yLT5iYXNlLmRldik7DQo+ID4gKwlzdHJ1Y3Qg aW50ZWxfcGFuZWwgKnBhbmVsID0gJmNvbm5lY3Rvci0+cGFuZWw7DQo+ID4gKwl1MzIgdG1wLCB2 YWw7DQo+ID4gKw0KPiA+ICsJaW50ZWxfcGFuZWxfYWN0dWFsbHlfc2V0X2JhY2tsaWdodChjb25u ZWN0b3IsIDApOw0KPiA+ICsNCj4gPiArCXRtcCA9IEk5MTVfUkVBRChCWFRfQkxDX1BXTV9DVEwo cGFuZWwtPmJhY2tsaWdodC5jb250cm9sbGVyKSk7DQo+ID4gKwlJOTE1X1dSSVRFKEJYVF9CTENf UFdNX0NUTChwYW5lbC0+YmFja2xpZ2h0LmNvbnRyb2xsZXIpLA0KPiA+ICsJCSAgIHRtcCAmIH5C WFRfQkxDX1BXTV9FTkFCTEUpOw0KPiA+ICt9DQo+ID4gKw0KPiA+ICBzdGF0aWMgdm9pZCBwd21f ZGlzYWJsZV9iYWNrbGlnaHQoc3RydWN0IGludGVsX2Nvbm5lY3RvciAqY29ubmVjdG9yKQ0KPiA+ ICB7DQo+ID4gIAlzdHJ1Y3QgaW50ZWxfcGFuZWwgKnBhbmVsID0gJmNvbm5lY3Rvci0+cGFuZWw7 DQo+ID4gQEAgLTEwNzYsNiArMTA4OSwzNiBAQCBzdGF0aWMgdm9pZCBieHRfZW5hYmxlX2JhY2ts aWdodChzdHJ1Y3QgaW50ZWxfY29ubmVjdG9yICpjb25uZWN0b3IpDQo+ID4gIAkJCXB3bV9jdGwg fCBCWFRfQkxDX1BXTV9FTkFCTEUpOw0KPiA+ICB9DQo+ID4gIA0KPiA+ICtzdGF0aWMgdm9pZCBj bnBfZW5hYmxlX2JhY2tsaWdodChzdHJ1Y3QgaW50ZWxfY29ubmVjdG9yICpjb25uZWN0b3IpDQo+ ID4gK3sNCj4gPiArCXN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdiA9IHRvX2k5MTUo Y29ubmVjdG9yLT5iYXNlLmRldik7DQo+ID4gKwlzdHJ1Y3QgaW50ZWxfcGFuZWwgKnBhbmVsID0g JmNvbm5lY3Rvci0+cGFuZWw7DQo+ID4gKwllbnVtIHBpcGUgcGlwZSA9IGludGVsX2dldF9waXBl X2Zyb21fY29ubmVjdG9yKGNvbm5lY3Rvcik7DQo+ID4gKwl1MzIgcHdtX2N0bCwgdmFsOw0KPiA+ ICsNCj4gPiArCXB3bV9jdGwgPSBJOTE1X1JFQUQoQlhUX0JMQ19QV01fQ1RMKHBhbmVsLT5iYWNr bGlnaHQuY29udHJvbGxlcikpOw0KPiA+ICsJaWYgKHB3bV9jdGwgJiBCWFRfQkxDX1BXTV9FTkFC TEUpIHsNCj4gPiArCQlEUk1fREVCVUdfS01TKCJiYWNrbGlnaHQgYWxyZWFkeSBlbmFibGVkXG4i KTsNCj4gPiArCQlwd21fY3RsICY9IH5CWFRfQkxDX1BXTV9FTkFCTEU7DQo+ID4gKwkJSTkxNV9X UklURShCWFRfQkxDX1BXTV9DVEwocGFuZWwtPmJhY2tsaWdodC5jb250cm9sbGVyKSwNCj4gPiAr CQkJICAgcHdtX2N0bCk7DQo+ID4gKwl9DQo+ID4gKw0KPiA+ICsJSTkxNV9XUklURShCWFRfQkxD X1BXTV9GUkVRKHBhbmVsLT5iYWNrbGlnaHQuY29udHJvbGxlciksDQo+ID4gKwkJICAgcGFuZWwt PmJhY2tsaWdodC5tYXgpOw0KPiA+ICsNCj4gPiArCWludGVsX3BhbmVsX2FjdHVhbGx5X3NldF9i YWNrbGlnaHQoY29ubmVjdG9yLCBwYW5lbC0+YmFja2xpZ2h0LmxldmVsKTsNCj4gPiArDQo+ID4g Kwlwd21fY3RsID0gMDsNCj4gPiArCWlmIChwYW5lbC0+YmFja2xpZ2h0LmFjdGl2ZV9sb3dfcHdt KQ0KPiA+ICsJCXB3bV9jdGwgfD0gQlhUX0JMQ19QV01fUE9MQVJJVFk7DQo+ID4gKw0KPiA+ICsJ STkxNV9XUklURShCWFRfQkxDX1BXTV9DVEwocGFuZWwtPmJhY2tsaWdodC5jb250cm9sbGVyKSwg cHdtX2N0bCk7DQo+ID4gKwlQT1NUSU5HX1JFQUQoQlhUX0JMQ19QV01fQ1RMKHBhbmVsLT5iYWNr bGlnaHQuY29udHJvbGxlcikpOw0KPiA+ICsJSTkxNV9XUklURShCWFRfQkxDX1BXTV9DVEwocGFu ZWwtPmJhY2tsaWdodC5jb250cm9sbGVyKSwNCj4gPiArCQkgICBwd21fY3RsIHwgQlhUX0JMQ19Q V01fRU5BQkxFKTsNCj4gPiArfQ0KPiA+ICsNCj4gPiAgc3RhdGljIHZvaWQgcHdtX2VuYWJsZV9i YWNrbGlnaHQoc3RydWN0IGludGVsX2Nvbm5lY3RvciAqY29ubmVjdG9yKQ0KPiA+ICB7DQo+ID4g IAlzdHJ1Y3QgaW50ZWxfcGFuZWwgKnBhbmVsID0gJmNvbm5lY3Rvci0+cGFuZWw7DQo+ID4gQEAg LTE2NDUsNiArMTY4OCwzNyBAQCBieHRfc2V0dXBfYmFja2xpZ2h0KHN0cnVjdCBpbnRlbF9jb25u ZWN0b3IgKmNvbm5lY3RvciwgZW51bSBwaXBlIHVudXNlZCkNCj4gPiAgCXJldHVybiAwOw0KPiA+ ICB9DQo+ID4gIA0KPiA+ICtzdGF0aWMgaW50DQo+ID4gK2NucF9zZXR1cF9iYWNrbGlnaHQoc3Ry dWN0IGludGVsX2Nvbm5lY3RvciAqY29ubmVjdG9yLCBlbnVtIHBpcGUgdW51c2VkKQ0KPiA+ICt7 DQo+ID4gKwlzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYgPSB0b19pOTE1KGNvbm5l Y3Rvci0+YmFzZS5kZXYpOw0KPiA+ICsJc3RydWN0IGludGVsX3BhbmVsICpwYW5lbCA9ICZjb25u ZWN0b3ItPnBhbmVsOw0KPiA+ICsJdTMyIHB3bV9jdGwsIHZhbDsNCj4gPiArDQo+ID4gKwlwYW5l bC0+YmFja2xpZ2h0LmNvbnRyb2xsZXIgPSBkZXZfcHJpdi0+dmJ0LmJhY2tsaWdodC5jb250cm9s bGVyOw0KPiA+ICsNCj4gPiArCXB3bV9jdGwgPSBJOTE1X1JFQUQoQlhUX0JMQ19QV01fQ1RMKHBh bmVsLT5iYWNrbGlnaHQuY29udHJvbGxlcikpOw0KPiA+ICsNCj4gPiArCXBhbmVsLT5iYWNrbGln aHQuYWN0aXZlX2xvd19wd20gPSBwd21fY3RsICYgQlhUX0JMQ19QV01fUE9MQVJJVFk7DQo+ID4g KwlwYW5lbC0+YmFja2xpZ2h0Lm1heCA9DQo+ID4gKwkJSTkxNV9SRUFEKEJYVF9CTENfUFdNX0ZS RVEocGFuZWwtPmJhY2tsaWdodC5jb250cm9sbGVyKSk7DQo+ID4gKw0KPiA+ICsJaWYgKCFwYW5l bC0+YmFja2xpZ2h0Lm1heCkNCj4gPiArCQlwYW5lbC0+YmFja2xpZ2h0Lm1heCA9IGdldF9iYWNr bGlnaHRfbWF4X3ZidChjb25uZWN0b3IpOw0KPiA+ICsNCj4gPiArCWlmICghcGFuZWwtPmJhY2ts aWdodC5tYXgpDQo+ID4gKwkJcmV0dXJuIC1FTk9ERVY7DQo+ID4gKw0KPiA+ICsJdmFsID0gYnh0 X2dldF9iYWNrbGlnaHQoY29ubmVjdG9yKTsNCj4gPiArCXZhbCA9IGludGVsX3BhbmVsX2NvbXB1 dGVfYnJpZ2h0bmVzcyhjb25uZWN0b3IsIHZhbCk7DQo+ID4gKwlwYW5lbC0+YmFja2xpZ2h0Lmxl dmVsID0gY2xhbXAodmFsLCBwYW5lbC0+YmFja2xpZ2h0Lm1pbiwNCj4gPiArCQkJCSAgICAgICBw YW5lbC0+YmFja2xpZ2h0Lm1heCk7DQo+ID4gKw0KPiA+ICsJcGFuZWwtPmJhY2tsaWdodC5lbmFi bGVkID0gcHdtX2N0bCAmIEJYVF9CTENfUFdNX0VOQUJMRTsNCj4gPiArDQo+ID4gKwlyZXR1cm4g MDsNCj4gPiArfQ0KPiA+ICsNCj4gPiAgc3RhdGljIGludCBwd21fc2V0dXBfYmFja2xpZ2h0KHN0 cnVjdCBpbnRlbF9jb25uZWN0b3IgKmNvbm5lY3RvciwNCj4gPiAgCQkJICAgICAgIGVudW0gcGlw ZSBwaXBlKQ0KPiA+ICB7DQo+ID4gQEAgLTE3NTQsMTYgKzE4MjgsMjAgQEAgaW50ZWxfcGFuZWxf aW5pdF9iYWNrbGlnaHRfZnVuY3Moc3RydWN0IGludGVsX3BhbmVsICpwYW5lbCkNCj4gPiAgCSAg ICBpbnRlbF9kc2lfZGNzX2luaXRfYmFja2xpZ2h0X2Z1bmNzKGNvbm5lY3RvcikgPT0gMCkNCj4g PiAgCQlyZXR1cm47DQo+ID4gIA0KPiA+IC0JaWYgKElTX0dFTjlfTFAoZGV2X3ByaXYpIHx8IEhB U19QQ0hfQ05QKGRldl9wcml2KSkgew0KPiA+ICsJaWYgKElTX0dFTjlfTFAoZGV2X3ByaXYpKSB7 DQo+ID4gIAkJcGFuZWwtPmJhY2tsaWdodC5zZXR1cCA9IGJ4dF9zZXR1cF9iYWNrbGlnaHQ7DQo+ ID4gIAkJcGFuZWwtPmJhY2tsaWdodC5lbmFibGUgPSBieHRfZW5hYmxlX2JhY2tsaWdodDsNCj4g PiAgCQlwYW5lbC0+YmFja2xpZ2h0LmRpc2FibGUgPSBieHRfZGlzYWJsZV9iYWNrbGlnaHQ7DQo+ ID4gIAkJcGFuZWwtPmJhY2tsaWdodC5zZXQgPSBieHRfc2V0X2JhY2tsaWdodDsNCj4gPiAgCQlw YW5lbC0+YmFja2xpZ2h0LmdldCA9IGJ4dF9nZXRfYmFja2xpZ2h0Ow0KPiA+IC0JCWlmIChJU19H RU45X0xQKGRldl9wcml2KSkNCj4gPiAtCQkJcGFuZWwtPmJhY2tsaWdodC5oel90b19wd20gPSBi eHRfaHpfdG9fcHdtOw0KPiA+IC0JCWVsc2UNCj4gPiAtCQkJcGFuZWwtPmJhY2tsaWdodC5oel90 b19wd20gPSBjbnBfaHpfdG9fcHdtOw0KPiA+ICsJCXBhbmVsLT5iYWNrbGlnaHQuaHpfdG9fcHdt ID0gYnh0X2h6X3RvX3B3bTsNCj4gPiArCX0gZWxzZSBpZiAoSEFTX1BDSF9DTlAoZGV2X3ByaXYp KSB7DQo+ID4gKwkJcGFuZWwtPmJhY2tsaWdodC5zZXR1cCA9IGNucF9zZXR1cF9iYWNrbGlnaHQ7 DQo+ID4gKwkJcGFuZWwtPmJhY2tsaWdodC5lbmFibGUgPSBjbnBfZW5hYmxlX2JhY2tsaWdodDsN Cj4gPiArCQlwYW5lbC0+YmFja2xpZ2h0LmRpc2FibGUgPSBjbnBfZGlzYWJsZV9iYWNrbGlnaHQ7 DQo+ID4gKwkJcGFuZWwtPmJhY2tsaWdodC5zZXQgPSBieHRfc2V0X2JhY2tsaWdodDsNCj4gPiAr CQlwYW5lbC0+YmFja2xpZ2h0LmdldCA9IGJ4dF9nZXRfYmFja2xpZ2h0Ow0KPiA+ICsJCXBhbmVs LT5iYWNrbGlnaHQuaHpfdG9fcHdtID0gY25wX2h6X3RvX3B3bTsNCj4gPiAgCX0gZWxzZSBpZiAo SEFTX1BDSF9MUFQoZGV2X3ByaXYpIHx8IEhBU19QQ0hfU1BUKGRldl9wcml2KSB8fA0KPiA+ICAJ CSAgIEhBU19QQ0hfS0JQKGRldl9wcml2KSkgew0KPiA+ICAJCXBhbmVsLT5iYWNrbGlnaHQuc2V0 dXAgPSBscHRfc2V0dXBfYmFja2xpZ2h0Ow0KPiANCg0KX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhA bGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxt YW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==