From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH] drm/i915: Backlight control via VESA eDP aux interface Date: Mon, 10 Jun 2019 12:48:33 +0300 Message-ID: <878su9zs7i.fsf@intel.com> References: <1560156055-10451-1-git-send-email-shawn.c.lee@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id 84C0988BF3 for ; Mon, 10 Jun 2019 09:45:34 +0000 (UTC) In-Reply-To: <1560156055-10451-1-git-send-email-shawn.c.lee@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: "Lee, Shawn C" , intel-gfx@lists.freedesktop.org Cc: Cooper Chiou , Lee@freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gTW9uLCAxMCBKdW4gMjAxOSwgIkxlZSwgU2hhd24gQyIgPHNoYXduLmMubGVlQGludGVsLmNv bT4gd3JvdGU6Cj4gVGhlIGxhdGVzdCBWQlQgc3VwcG9ydCBiYWNrbGlnaHQgY29udHJvbCB2aWEg YXV4LiBXZSBoYXZlIHRvCj4gY2hlY2sgVkJUJ3Mgc2V0dGluZyBiZWZvcmUgZG9pbmcgYmFja2xp Z2h0IGluaXRpYWxpemF0aW9uLgo+IFRoZW4gRHJpdmVyIHdpbGwgYXNzaWduIGNvcnJlY3QgY2Fs bGJhY2sgZnVuY3Rpb24gZm9yIGVEUAo+IGJhY2tsaWdodCBjb250cm9sLgo+Cj4gQ2M6IEphbmkg TmlrdWxhIDxqYW5pLm5pa3VsYUBpbnRlbC5jb20+Cj4gQ2M6IEpvc2UgUm9iZXJ0byBkZSBTb3V6 YSA8am9zZS5zb3V6YUBpbnRlbC5jb20+Cj4gQ2M6IENvb3BlciBDaGlvdSA8Y29vcGVyLmNoaW91 QGludGVsLmNvbT4KPgo+IFNpZ25lZC1vZmYtYnk6IExlZSwgU2hhd24gQyA8c2hhd24uYy5sZWVA aW50ZWwuY29tPgo+IC0tLQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9iaW9zLmMgICAg IHwgMyArKy0KPiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfdmJ0X2RlZnMuaCB8IDYgKysr Ky0tCj4gIDIgZmlsZXMgY2hhbmdlZCwgNiBpbnNlcnRpb25zKCspLCAzIGRlbGV0aW9ucygtKQo+ Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Jpb3MuYyBiL2RyaXZl cnMvZ3B1L2RybS9pOTE1L2ludGVsX2Jpb3MuYwo+IGluZGV4IDFjMDM3ZGZhODNmNS4uMjdiZGE0 NTUyMGVjIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Jpb3MuYwo+ ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Jpb3MuYwo+IEBAIC0zMTcsNyArMzE3 LDggQEAgcGFyc2VfbGZwX2JhY2tsaWdodChzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3By aXYsCj4gIAo+ICAJZW50cnkgPSAmYmFja2xpZ2h0X2RhdGEtPmRhdGFbcGFuZWxfdHlwZV07Cj4g IAo+IC0JZGV2X3ByaXYtPnZidC5iYWNrbGlnaHQucHJlc2VudCA9IGVudHJ5LT50eXBlID09IEJE Ql9CQUNLTElHSFRfVFlQRV9QV007Cj4gKwlkZXZfcHJpdi0+dmJ0LmJhY2tsaWdodC5wcmVzZW50 ID0gKGVudHJ5LT50eXBlID09IEJEQl9CQUNLTElHSFRfVFlQRV9QV01fU09DIHx8Cj4gKwkJCQkJ ICAgZW50cnktPnR5cGUgPT0gQkRCX0JBQ0tMSUdIVF9UWVBFX1BXTV9WRVNBX0VEUF9BVVgpOwo+ ICAJaWYgKCFkZXZfcHJpdi0+dmJ0LmJhY2tsaWdodC5wcmVzZW50KSB7Cj4gIAkJRFJNX0RFQlVH X0tNUygiUFdNIGJhY2tsaWdodCBub3QgcHJlc2VudCBpbiBWQlQgKHR5cGUgJXUpXG4iLAo+ICAJ CQkgICAgICBlbnRyeS0+dHlwZSk7Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1 L2ludGVsX3ZidF9kZWZzLmggYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF92YnRfZGVmcy5o Cj4gaW5kZXggODllZjE0Y2FmYjZiLi43MTBmNTM5ZjE3ZGUgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVy cy9ncHUvZHJtL2k5MTUvaW50ZWxfdmJ0X2RlZnMuaAo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9p OTE1L2ludGVsX3ZidF9kZWZzLmgKPiBAQCAtNzYwLDggKzc2MCwxMCBAQCBzdHJ1Y3QgYmRiX2x2 ZHNfbGZwX2RhdGEgewo+ICAgKiBCbG9jayA0MyAtIExGUCBCYWNrbGlnaHQgQ29udHJvbCBEYXRh IEJsb2NrCj4gICAqLwo+ICAKPiAtI2RlZmluZSBCREJfQkFDS0xJR0hUX1RZUEVfTk9ORQkwCj4g LSNkZWZpbmUgQkRCX0JBQ0tMSUdIVF9UWVBFX1BXTQkyCj4gKyNkZWZpbmUgQkRCX0JBQ0tMSUdI VF9UWVBFX05PTkUJCQkJMAo+ICsjZGVmaW5lIEJEQl9CQUNLTElHSFRfVFlQRV9QV01fU09DCQkJ Mgo+ICsjZGVmaW5lIEJEQl9CQUNLTElHSFRfVFlQRV9QV01fUEFORUxfRFJJVkVSX09MRUQJNAo+ ICsjZGVmaW5lIEJEQl9CQUNLTElHSFRfVFlQRV9QV01fVkVTQV9FRFBfQVVYCQk1CgplbnRyeS0+ dHlwZSBpcyB0d28gYml0cywgMC0xIGluIHRoZSBGZWF0dXJlcyBieXRlIG9mIHRoZSBCYWNrbGln aHQgRGF0YQpTdHJ1Y3R1cmUgaW4gdGhlIHNwZWMuIEJEQl9CQUNLTElHSFRfVFlQRV9QV01fVkVT QV9FRFBfQVVYIHdpbGwgbmV2ZXIKbWF0Y2gsIHNvIHRoaXMgd2FzIGFsc28gbmV2ZXIgdGVzdGVk LiBUaGVyZSBhcmUgbm8gdXBkYXRlcyB0byB0aGUgVkJUCnNwZWMgdG8gcmVmbGVjdCB0aGUgYWJv dmUgY2hhbmdlIChhbmQgaWYgSSBzYXcgb25lLCBJJ2QgcmVqZWN0IGl0IGFzCmJhY2t3YXJkIGlu Y29tcGF0aWJsZSkuCgpQbGVhc2UgZG9uJ3QgdGVsbCBtZSB5b3UgaGF2ZSBzb21lIHByb2R1Y3Qg c3BlY2lmaWMgc3BlYyBhbmQgVkJUIHRoZXJlLApiZWNhdXNlIGl0J3Mgbm90IGZseWluZyB1cHN0 cmVhbS4KClRoZSBicmlnaHRuZXNzIGNvbnRyb2wgbWV0aG9kIHN0cnVjdHVyZSBkb2VzIGhhdmUg YSBtb3JlIGRldGFpbGVkIHdheSBvZgpkZXNjcmliaW5nIHRoZSBtZXRob2QsIGFuZCBpdCBwcm9i YWJseSBhbHJlYWR5IGNvdmVycyB3aGF0IHlvdSBuZWVkLgoKQlIsCkphbmkuCgoKPiAgCj4gIHN0 cnVjdCBsZnBfYmFja2xpZ2h0X2RhdGFfZW50cnkgewo+ICAJdTggdHlwZToyOwoKLS0gCkphbmkg TmlrdWxhLCBJbnRlbCBPcGVuIFNvdXJjZSBHcmFwaGljcyBDZW50ZXIKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJ bnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Au b3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4