From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH] drm/i915: Use AUX for backlight only if eDP 1.4 or later Date: Thu, 20 Jul 2017 12:33:00 +0300 Message-ID: <87y3rjo3lf.fsf@intel.com> References: <1500460169-8155-1-git-send-email-jenny.tc@intel.com> <1500489783.20458.27.camel@dk-H97M-D3H> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2496789E1A for ; Thu, 20 Jul 2017 09:33:05 +0000 (UTC) In-Reply-To: <1500489783.20458.27.camel@dk-H97M-D3H> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: "Pandiyan, Dhinakaran" , "Tc, Jenny" Cc: "puthik@chromium.org" , "Vetter, Daniel" , "intel-gfx@lists.freedesktop.org" , "Weinehall, David" List-Id: intel-gfx@lists.freedesktop.org T24gV2VkLCAxOSBKdWwgMjAxNywgIlBhbmRpeWFuLCBEaGluYWthcmFuIiA8ZGhpbmFrYXJhbi5w YW5kaXlhbkBpbnRlbC5jb20+IHdyb3RlOgo+IE9uIFdlZCwgMjAxNy0wNy0xOSBhdCAxNTo1OSAr MDUzMCwgSmVubnkgVEMgd3JvdGU6Cj4+IFdpdGggb2xkZXIgcGFuZWxzLCBBVVggcGluIGZvciBi YWNrbGlnaHQgZG9lc24ndCB3b3JrLgoKV2hhdCBldmlkZW5jZSBkbyB5b3UgaGF2ZSB0byBiYWNr IHVwIHRoYXQgY2xhaW0/Cgo+PiBPbiBzb21lIHBhbmVscywgdGhpcyBjYXVzZXMgYmFja2xpZ2h0 IGlzc3VlcyBvbiBTMyByZXN1bWUuCj4KPiBXaGF0IGlzIGl0IHRoYXQgd2UgYXJlIG1pc3Npbmcg aW4gdGhlIHJlc3VtZSBwYXRoPwo+Cj4+ICBFbmFibGUgdGhlCj4+IGZlYXR1cmUgb25seSBmb3Ig ZURQMS40IG9yIGxhdGVyLgo+Cj4gSSBjYW4ndCBmaW5kIHRoZSBlRFAgMS40IHJlcXVpcmVtZW50 IGluIHRoZSBzcGVjLiBSZWdpb25hbCBicmlnaHRuZXNzCj4gY29udHJvbCB3YXMgYWRkZWQgaW4g ZURQIDEuNCwgYnV0IHdlIGRvbid0IGVuYWJsZSB0aGF0LiBNeSBjb25jZXJuIGlzIHdlCj4gbWln aHQgYmUgbWlzc2luZyBhIHJlYWwgZml4IGJ5IGlnbm9yaW5nIDwgZURQIDEuNCBwYW5lbHMuIAoK QWdyZWVkLgoKVGhpcyBoYXMgYmVlbiBnb2luZyBvbiB0b28gbG9uZyBub3csIHdpdGggbm8gcmVh bCBlZmZvcnQgdG8gZ2V0IGF0IHRoZQpyb290cyBvZiB0aGUgcHJvYmxlbS4gVGhlIHJpZ2h0IGFw cHJvYWNoIGlzIHRvIHJldmVydCB0aGUgcmVncmVzc2luZwpjb21taXRzIG5vdywgYW5kIHN0YXJ0 IG92ZXIuIFJldmVydHMgcG9zdGVkIFsxXS4KCkJSLApKYW5pLgoKWzFdIGh0dHBzOi8vcGF0Y2h3 b3JrLmZyZWVkZXNrdG9wLm9yZy9zZXJpZXMvMjc2MjMvCgo+Cj4KPj4gCj4+IEZpeC1zdWdnZXN0 ZWQtYnk6IFB1dGhpa29ybiBWb3Jhdm9vdGl2YXQgPHB1dGhpa0BjaHJvbWl1bS5vcmc+Cj4KPiAx LiBQbGVhc2UgdXNlIHRoZSAiRml4ZXMiIHRhZyB0byByZWZlciB0byB0aGUgY29tbWl0IHRoYXQg aW50cm9kdWNlZCB0aGUKPiBjb2RlIHlvdSBhcmUgZml4aW5nLgo+IDIuIFRoZSAiU3VnZ2VzdGVk LWJ5IiB0YWcgaXMgbW9yZSBjb21tb24gdG8gZ2l2ZSBjcmVkaXRzIHRvIHRoZSBwZXJzb24KPiB3 aG8gc3VnZ2VzdGVkIHRoZSBmaXguCj4gMy4gUGxlYXNlIHVzZSB0aGUgIkJ1Z3ppbGxhIiB0YWcg dG8gcG9pbnQgdG8gdGhlIGJ1ZyB0aGF0IERhdmlkCj4gcmVwb3J0ZWQuCj4KPgo+PiBTaWduZWQt b2ZmLWJ5OiBKZW5ueSBUQyA8amVubnkudGNAaW50ZWwuY29tPgo+PiAtLS0KPj4gIGRyaXZlcnMv Z3B1L2RybS9pOTE1L2ludGVsX2RwX2F1eF9iYWNrbGlnaHQuYyB8IDYgKysrKystCj4+ICAxIGZp bGUgY2hhbmdlZCwgNSBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0pCj4+IAo+PiBkaWZmIC0t Z2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHBfYXV4X2JhY2tsaWdodC5jIGIvZHJp dmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHBfYXV4X2JhY2tsaWdodC5jCj4+IGluZGV4IGIyNWNk ODguLjQyMWYzMWYgMTAwNjQ0Cj4+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rw X2F1eF9iYWNrbGlnaHQuYwo+PiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcF9h dXhfYmFja2xpZ2h0LmMKPj4gQEAgLTI5Miw3ICsyOTIsNyBAQCBzdGF0aWMgaW50IGludGVsX2Rw X2F1eF9zZXR1cF9iYWNrbGlnaHQoc3RydWN0IGludGVsX2Nvbm5lY3RvciAqY29ubmVjdG9yLAo+ PiAgICogdmlhIFBXTSBwaW4gb3IgdXNpbmcgQVVYIGlzIGJldHRlciB0aGFuIHVzaW5nIFBXTSBw aW4uCj4+ICAgKgo+PiAgICogVGhlIGhldXJpc3RpYyB0byBkZXRlcm1pbmUgdGhhdCB1c2luZyBB VVggcGluIGlzIGJldHRlciB0aGFuIHVzaW5nIFBXTSBwaW4gaXMKPj4gLSAqIHRoYXQgdGhlIHBh bmVsIHN1cHBvcnQgYW55IG9mIHRoZSBmZWF0dXJlIGxpc3QgaGVyZS4KPj4gKyAqIHRoYXQgdGhl IHBhbmVsIGlzIGVEUCAxLjQgb3IgbGF0ZXIgYW5kIHN1cHBvcnQgYW55IG9mIHRoZSBmZWF0dXJl IGxpc3QgaGVyZQo+PiAgICogLSBSZWdpb25hbCBiYWNrbGlnaHQgYnJpZ2h0bmVzcyBhZGp1c3Rt ZW50Cj4+ICAgKiAtIEJhY2tsaWdodCBQV00gZnJlcXVlbmN5IHNldAo+PiAgICogLSBNb3JlIHRo YW4gOCBiaXRzIHJlc29sdXRpb24gb2YgYnJpZ2h0bmVzcyBsZXZlbAo+PiBAQCAtMzEwLDYgKzMx MCwxMCBAQCBzdGF0aWMgaW50IGludGVsX2RwX2F1eF9zZXR1cF9iYWNrbGlnaHQoc3RydWN0IGlu dGVsX2Nvbm5lY3RvciAqY29ubmVjdG9yLAo+PiAgCWlmICghKGludGVsX2RwLT5lZHBfZHBjZFsy XSAmIERQX0VEUF9CQUNLTElHSFRfQlJJR0hUTkVTU19QV01fUElOX0NBUCkpCj4+ICAJCXJldHVy biB0cnVlOwo+PiAgCj4+ICsJLyogRW5hYmxlIHRoaXMgZm9yIGVEUCAxLjQgcGFuZWwgb3IgbGF0 ZXIuICovCj4+ICsJaWYgKGludGVsX2RwLT5lZHBfZHBjZFswXSA8IERQX0VEUF8xNCkKPj4gKwkJ cmV0dXJuIGZhbHNlOwo+PiArCj4+ICAJLyogUGFuZWwgc3VwcG9ydHMgcmVnaW9uYWwgYmFja2xp Z2h0IGJyaWdodG5lc3MgYWRqdXN0bWVudCAqLwo+PiAgCWlmIChkcm1fZHBfZHBjZF9yZWFkYigm aW50ZWxfZHAtPmF1eCwgRFBfRURQX0dFTkVSQUxfQ0FQXzMsCj4+ICAJCQkgICAgICAmcmVnX3Zh bCkgIT0gMSkgewoKLS0gCkphbmkgTmlrdWxhLCBJbnRlbCBPcGVuIFNvdXJjZSBUZWNobm9sb2d5 IENlbnRlcgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJ bnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0 cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK