From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Pandiyan, Dhinakaran" Subject: Re: [PATCH v7 3/9] drm/i915: Drop AUX backlight enable check for backlight control Date: Fri, 12 May 2017 20:19:09 +0000 Message-ID: <1494621545.12250.1.camel@dk-H97M-D3H> References: <20170511230225.142870-1-puthik@chromium.org> <20170511230225.142870-4-puthik@chromium.org> <1494566456.27349.30.camel@dk-H97M-D3H> <87efvumd32.fsf@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: Content-Language: en-US Content-ID: <5761858587132D42BD763C3BFC196752@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: "puthik@chromium.org" Cc: "intel-gfx@lists.freedesktop.org" , "dri-devel@lists.freedesktop.org" List-Id: intel-gfx@lists.freedesktop.org T24gRnJpLCAyMDE3LTA1LTEyIGF0IDExOjEwIC0wNzAwLCBQdXRoaWtvcm4gVm9yYXZvb3RpdmF0 IHdyb3RlOg0KPiANCj4gDQo+IE9uIEZyaSwgTWF5IDEyLCAyMDE3IGF0IDY6MTQgQU0sIEphbmkg TmlrdWxhDQo+IDxqYW5pLm5pa3VsYUBsaW51eC5pbnRlbC5jb20+IHdyb3RlOg0KPiAgICAgICAg IE9uIEZyaSwgMTIgTWF5IDIwMTcsICJQYW5kaXlhbiwgRGhpbmFrYXJhbiINCj4gICAgICAgICA8 ZGhpbmFrYXJhbi5wYW5kaXlhbkBpbnRlbC5jb20+IHdyb3RlOg0KPiAgICAgICAgID4gT24gVGh1 LCAyMDE3LTA1LTExIGF0IDE2OjAyIC0wNzAwLCBQdXRoaWtvcm4gVm9yYXZvb3RpdmF0DQo+ICAg ICAgICAgd3JvdGU6DQo+ICAgICAgICAgPj4gVGhlcmUgYXJlIHNvbWUgcGFuZWwgdGhhdA0KPiAg ICAgICAgID4+ICgxKSBkb2VzIG5vdCBzdXBwb3J0IGRpc3BsYXkgYmFja2xpZ2h0IGVuYWJsZSB2 aWEgQVVYDQo+ICAgICAgICAgPj4gKDIpIHN1cHBvcnQgZGlzcGxheSBiYWNrbGlnaHQgYWRqdXN0 bWVudCB2aWEgQVVYDQo+ICAgICAgICAgPj4gKDMpIHN1cHBvcnQgZGlzcGxheSBiYWNrbGlnaHQg ZW5hYmxlIHZpYSBlRFAgQkxfRU5BQkxFIHBpbg0KPiAgICAgICAgID4+DQo+ICAgICAgICAgPj4g VGhlIGN1cnJlbnQgZHJpdmVyIHJlcXVpcmVkIHRoYXQgKDEpIG11c3QgYmUgc3VwcG9ydCB0bw0K PiAgICAgICAgIGVuYWJsZSAoMikuDQo+ICAgICAgICAgPj4gVGhpcyBwYXRjaCBkcm9wcyB0aGF0 IHJlcXVpcmVtZW50Lg0KPiAgICAgICAgID4+DQo+ICAgICAgICAgPg0KPiAgICAgICAgID4gWW91 IHNlbnQgdGhpcyB2ZXJzaW9uIGJlZm9yZSBJIGZpbmlzaGVkIG15IGZvbGxvdy11cA0KPiAgICAg ICAgIHF1ZXN0aW9ucywgY29weWluZw0KPiAgICAgICAgID4gdGhlIGNvbnZlcnNhdGlvbiBoZXJl IGZvciBjb250ZXh0Lg0KPiAgICAgICAgIA0KPiAgICAgICAgIFB1dGhpa29ybiwgcGxlYXNlIGRv bid0IHNlbmQgbmV3IHZlcnNpb25zIGJlZm9yZSB0aGUgcmV2aWV3IGlzDQo+ICAgICAgICAgYWRk cmVzc2VkLg0KPiBTb3JyeSBJIHRob3VnaHQgSSB3YXMgZXhwbGFpbmVkIGl0IGNsZWFyIGVub3Vn aC4gIA0KPiAgICAgICAgIA0KPiAgICAgICAgIFB1c2hlZCBwYXRjaGVzIDEsIDIsIDUsIGFuZCA3 LiBUaGFua3MgZm9yIHRoZSBwYXRjaGVzIGFuZA0KPiAgICAgICAgIHJldmlldy4NCj4gICAgICAg ICANCj4gICAgICAgICBCUiwNCj4gICAgICAgICBKYW5pLg0KPiAgICAgICAgIA0KPiAgICAgICAg ID4gREs6IFdvbid0IERQX0VEUF9CQUNLTElHSFRfQVVYX0VOQUJMRV9DQVAgYmUgMSBhbHdheXM/ IFRoZQ0KPiAgICAgICAgIGNvZGUgYmVsb3csDQo+ICAgICAgICAgPiBpbg0KPiAgICAgICAgID4g aW50ZWxfZHBfYXV4X2Rpc3BsYXlfY29udHJvbF9jYXBhYmxlKCksIG1ha2VzIHN1cmUNCj4gICAg ICAgICA+IERQX0VEUF9CQUNLTElHSFRfUElOX0VOQUJMRV9DQVA9MC4gVGhlIHNwZWMgc2F5cyBh dCBsZWFzdA0KPiAgICAgICAgIG9uZSBvZiB0aGVzZQ0KPiAgICAgICAgID4gaGFzIHRvIGJlIDEu DQo+ICAgICAgICAgPg0KPiAgICAgICAgID4gUHV0aGlrb3JuOiBXZSB3aWxsIGRyb3AgdGhlDQo+ ICAgICAgICAgRFBfRURQX0JBQ0tMSUdIVF9QSU5fRU5BQkxFX0NBUCAhPSAwIGNoZWNrDQo+ICAg ICAgICAgPiBpbiBuZXh0IHBhdGNoIHNldC4NCj4gICAgICAgICA+IFRoaXMgcGF0Y2ggYWRkcyBj aGVjayBoZXJlIHRvIHByZXBhcmUgZm9yIHRoYXQuDQo+ICAgICAgICAgPg0KPiAgICAgICAgID4N Cj4gICAgICAgICA+IDEpIFNvLCB0aGlzIHBhdGNoIGRvZXMgbm90IHJlYWxseSBmaXggd2hhdCB0 aGUgY29tbWl0DQo+ICAgICAgICAgbWVzc2FnZSBjbGFpbXMNCj4gICAgICAgICA+IGJlY2F1c2Ug aXQgaXMgZGVwZW5kZW50IG9uIHRoZSBmb2xsb3dpbmcgcGF0Y2guIERvZXMgaXQgbWFrZQ0KPiAg ICAgICAgIHNlbnNlIHRvDQo+ICAgICAgICAgPiByZW1vdmUgdGhpcyBjaGVjayBpbiB0aGlzIHBh dGNoPyBUaGF0IHdheSwgdGhpcyBwYXRjaCBieQ0KPiAgICAgICAgIGl0c2VsZiBpcyB0aGUNCj4g ICAgICAgICA+IGZpeCB0aGF0IHRoZSBjb21taXQgbWVzc2FnZSBzYXlzLg0KPiAgICAgICAgID4N Cj4gICAgICAgICA+IC0gICAgICAgICAgICEoKGludGVsX2RwLT5lZHBfZHBjZFsxXSAmDQo+ICAg ICAgICAgRFBfRURQX0JBQ0tMSUdIVF9QSU5fRU5BQkxFX0NBUCkNCj4gICAgICAgICA+DQo+ICAg ICAgICAgDQo+IFN1cmUuIEkgY2FuIHJlbW92ZSB0aGlzIGhlcmUgYW5kIGFkZHMgaXQgaW4gbmV4 dCBwYXRjaCBpbnN0ZWFkLg0KPiANCj4gDQo+ICAgICAgICAgPg0KPiAgICAgICAgID4gMikgSWYg YSBwYW5lbCBzdXBwb3J0cyBiYWNrbGlnaHQgZW5hYmxlIHZpYSBBVVggYW5kDQo+ICAgICAgICAg QkxfRU5BQkxFIHBpbiwgdGhpcw0KPiAgICAgICAgID4gcGF0Y2ggKGFsb25nIHdpdGggdGhlIG5l eHQpIGVuYWJsZXMgYmFja2xpZ2h0IHR3aWNlLCBkb2Vzbid0DQo+ICAgICAgICAgaXQ/DQo+ICAg ICAgICAgPiBfaW50ZWxfZWRwX2JhY2tsaWdodF9vbihpbnRlbF9kcCkgaW4gaW50ZWxfZHAuYyBp cyBjYWxsZWQNCj4gICAgICAgICA+IHVuY29uZGl0aW9uYWxseSBhZnRlciBpbnRlbF9kcF9hdXhf ZW5hYmxlX2JhY2tsaWdodCgpLiBJDQo+ICAgICAgICAgZG9uJ3Qga25vdyBob3cNCj4gICAgICAg ICA+IGxpa2VseSB0aGlzIGNvbmZpZ3VyYXRpb24gaXMgb3IgaWYgaXQncyBhbHJpZ2h0IHRvIGVu YWJsZQ0KPiAgICAgICAgIHZpYSBib3RoIEFVWA0KPiAgICAgICAgID4gYW5kIEJMX0VOQUJMRSBw aW4uDQo+ICAgICAgICAgPg0KPiAgICAgICAgIA0KPiBUaGUgZURQIHNwZWMgZGlkIG5vdCBtZW50 aW9uIHRoaXMgY2FzZSBleHBsaWNpdGx5Lg0KPiBCdXQgaXQgc2hvdWxkIG5vdCBodXJ0IHRvIGVu YWJsZSBiYWNrbGlnaHQgdHdpY2UgYXMgd2Ugd2FudCB0aGUNCj4gYmFja2xpZ2h0IHRvIGJlIGVu YWJsZWQgYW55d2F5Lg0KPiAgDQoNCkhvcGUgc28sIGF0IGxlYXN0IGEgVE9ETyB3b3VsZCBiZSBh IHJlYXNvbmFibGUgd2FybmluZy4NCg0KPiAgICAgICAgID4NCj4gICAgICAgICA+DQo+ICAgICAg ICAgPg0KPiAgICAgICAgID4+IFNpZ25lZC1vZmYtYnk6IFB1dGhpa29ybiBWb3Jhdm9vdGl2YXQg PHB1dGhpa0BjaHJvbWl1bS5vcmc+DQo+ICAgICAgICAgPj4gLS0tDQo+ICAgICAgICAgPj4gIGRy aXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwX2F1eF9iYWNrbGlnaHQuYyB8IDUgKysrKy0NCj4g ICAgICAgICA+PiAgMSBmaWxlIGNoYW5nZWQsIDQgaW5zZXJ0aW9ucygrKSwgMSBkZWxldGlvbigt KQ0KPiAgICAgICAgID4+DQo+ICAgICAgICAgPj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2ludGVsX2RwX2F1eF9iYWNrbGlnaHQuYw0KPiAgICAgICAgIGIvZHJpdmVycy9ncHUv ZHJtL2k5MTUvaW50ZWxfZHBfYXV4X2JhY2tsaWdodC5jDQo+ICAgICAgICAgPj4gaW5kZXggODcw YzAzZmMwZjNhLi5jMjI3MTI3NjI5NTcgMTAwNjQ0DQo+ICAgICAgICAgPj4gLS0tIGEvZHJpdmVy cy9ncHUvZHJtL2k5MTUvaW50ZWxfZHBfYXV4X2JhY2tsaWdodC5jDQo+ICAgICAgICAgPj4gKysr IGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHBfYXV4X2JhY2tsaWdodC5jDQo+ICAgICAg ICAgPj4gQEAgLTI4LDYgKzI4LDEwIEBAIHN0YXRpYyB2b2lkDQo+ICAgICAgICAgc2V0X2F1eF9i YWNrbGlnaHRfZW5hYmxlKHN0cnVjdCBpbnRlbF9kcCAqaW50ZWxfZHAsIGJvb2wNCj4gICAgICAg ICBlbmFibGUpDQo+ICAgICAgICAgPj4gIHsNCj4gICAgICAgICA+PiAgICAgIHVpbnQ4X3QgcmVn X3ZhbCA9IDA7DQo+ICAgICAgICAgPj4NCj4gICAgICAgICA+PiArICAgICAgIC8qIEVhcmx5IHJl dHVybiB3aGVuIGRpc3BsYXkgdXNlIG90aGVyIG1lY2hhbmlzbSB0bw0KPiAgICAgICAgIGVuYWJs ZSBiYWNrbGlnaHQuICovDQo+ICAgICAgICAgPj4gKyAgICBpZiAoIShpbnRlbF9kcC0+ZWRwX2Rw Y2RbMV0gJg0KPiAgICAgICAgIERQX0VEUF9CQUNLTElHSFRfQVVYX0VOQUJMRV9DQVApKQ0KPiAg ICAgICAgID4+ICsgICAgICAgICAgICByZXR1cm47DQo+ICAgICAgICAgPj4gKw0KPiAgICAgICAg ID4+ICAgICAgaWYgKGRybV9kcF9kcGNkX3JlYWRiKCZpbnRlbF9kcC0+YXV4LA0KPiAgICAgICAg IERQX0VEUF9ESVNQTEFZX0NPTlRST0xfUkVHSVNURVIsDQo+ICAgICAgICAgPj4gICAgICAgICAg ICAgICAgICAgICAgICAgICAgJnJlZ192YWwpIDwgMCkgew0KPiAgICAgICAgID4+ICAgICAgICAg ICAgICBEUk1fREVCVUdfS01TKCJGYWlsZWQgdG8gcmVhZCBEUENEIHJlZ2lzdGVyIDB4DQo+ICAg ICAgICAgJXhcbiIsDQo+ICAgICAgICAgPj4gQEAgLTE2NCw3ICsxNjgsNiBAQA0KPiAgICAgICAg IGludGVsX2RwX2F1eF9kaXNwbGF5X2NvbnRyb2xfY2FwYWJsZShzdHJ1Y3QgaW50ZWxfY29ubmVj dG9yDQo+ICAgICAgICAgKmNvbm5lY3RvcikNCj4gICAgICAgICA+PiAgICAgICAqIHRoZSBwYW5l bCBjYW4gc3VwcG9ydCBiYWNrbGlnaHQgY29udHJvbCBvdmVyIHRoZQ0KPiAgICAgICAgIGF1eCBj aGFubmVsDQo+ICAgICAgICAgPj4gICAgICAgKi8NCj4gICAgICAgICA+PiAgICAgIGlmIChpbnRl bF9kcC0+ZWRwX2RwY2RbMV0gJg0KPiAgICAgICAgIERQX0VEUF9UQ09OX0JBQ0tMSUdIVF9BREpV U1RNRU5UX0NBUCAmJg0KPiAgICAgICAgID4+IC0gICAgICAgIChpbnRlbF9kcC0+ZWRwX2RwY2Rb MV0gJg0KPiAgICAgICAgIERQX0VEUF9CQUNLTElHSFRfQVVYX0VOQUJMRV9DQVApICYmDQo+ICAg ICAgICAgPj4gICAgICAgICAgKGludGVsX2RwLT5lZHBfZHBjZFsyXSAmDQo+ICAgICAgICAgRFBf RURQX0JBQ0tMSUdIVF9CUklHSFRORVNTX0FVWF9TRVRfQ0FQKSAmJg0KPiAgICAgICAgID4+ICAg ICAgICAgICEoKGludGVsX2RwLT5lZHBfZHBjZFsxXSAmDQo+ICAgICAgICAgRFBfRURQX0JBQ0tM SUdIVF9QSU5fRU5BQkxFX0NBUCkgfHwNCj4gICAgICAgICA+PiAgICAgICAgICAgIChpbnRlbF9k cC0+ZWRwX2RwY2RbMl0gJg0KPiAgICAgICAgIERQX0VEUF9CQUNLTElHSFRfQlJJR0hUTkVTU19Q V01fUElOX0NBUCkpKSB7DQo+ICAgICAgICAgPg0KPiAgICAgICAgIA0KPiAgICAgICAgIA0KPiAg ICAgICAgIC0tDQo+ICAgICAgICAgSmFuaSBOaWt1bGEsIEludGVsIE9wZW4gU291cmNlIFRlY2hu b2xvZ3kgQ2VudGVyDQo+ICAgICAgICAgDQo+IA0KPiANCg0KX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1n ZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21h aWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==