From: Jani Nikula Subject: Re: [PATCH] drm/i915: disable CPU PWM also on LPT/SPT backlight disable Date: Tue, 29 Sep 2015 15:49:15 +0300 Message-ID: <87io6tie5w.fsf@intel.com> References: <87y4fpmyqi.fsf@yhuang-dev.intel.com> <1443530508-12112-1-git-send-email-jani.nikula@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 ESMTP id 095886E7B3 for ; Tue, 29 Sep 2015 05:45:57 -0700 (PDT) In-Reply-To: <1443530508-12112-1-git-send-email-jani.nikula@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Huang Ying Cc: Daniel Vetter , "intel-gfx@lists.freedesktop.org" , LKML , kernel test robot , lkp@01.org List-Id: intel-gfx@lists.freedesktop.org CkFsc28gYWRkaW5nIENjOiBpbnRlbC1nZngsIHBsZWFzZSBpbmNsdWRlIHRoYXQgaW4gZm9sbG93 LXVwcy4KClRoYW5rcywKSmFuaS4KCk9uIFR1ZSwgMjkgU2VwIDIwMTUsIEphbmkgTmlrdWxhIDxq YW5pLm5pa3VsYUBpbnRlbC5jb20+IHdyb3RlOgo+IEFsdGhvdWdoIHdlIGRvbid0IHN1cHBvcnQg b3IgZW5hYmxlIENQVSBQV00gd2l0aCBMUFQvU1BUIGJhc2VkIHN5c3RlbXMsCj4gaXQgbWF5IGhh dmUgYmVlbiBlbmFibGVkIHByaW9yIHRvIGxvYWRpbmcgdGhlIGRyaXZlci4gRGlzYWJsZSB0aGUg Q1BVCj4gUFdNIG9uIExQVC9TUFQgYmFja2xpZ2h0IGRpc2FibGUgdG8gYXZvaWQgd2FybmluZ3Mg b24gTENQTEwgZGlzYWJsZS4KPgo+IFRoZSBpc3N1ZSBoYXMgYmVlbiBwcmVzZW50IG9uIEJEVyBz aW5jZSBCRFcgZW5hYmxpbmcsIGJ1dCB3YXMgcmVjZW50bHkKPiBpbnRyb2R1Y2VkIG9uIEhTVyB3 aXRoCj4KPiBjb21taXQgNDM3YjE1YjgwMTdlMGQ5NDY0NTNjMTA3OTRiMGM1ZDQ1OTFjZjE4MAo+ IEF1dGhvcjogSmFuaSBOaWt1bGEgPGphbmkubmlrdWxhQGludGVsLmNvbT4KPiBEYXRlOiAgIEZy aSBTZXAgNCAxNjo1NToxMyAyMDE1ICswMzAwCj4KPiAgICAgZHJtL2k5MTU6IHVzZSBwY2ggYmFj a2xpZ2h0IG92ZXJyaWRlIG9uIGhzdyB0b28KPgo+IFJlZmVyZW5jZTogaHR0cDovL21pZC5nbWFu ZS5vcmcvODd5NGZyaHdzbi5mc2ZAeWh1YW5nLWRldi5pbnRlbC5jb20KPiBSZXBvcnRlZC1ieTog a2VybmVsIHRlc3Qgcm9ib3QgPHlpbmcuaHVhbmdAaW50ZWwuY29tPgo+IFNpZ25lZC1vZmYtYnk6 IEphbmkgTmlrdWxhIDxqYW5pLm5pa3VsYUBpbnRlbC5jb20+Cj4gLS0tCj4gIGRyaXZlcnMvZ3B1 L2RybS9pOTE1L2ludGVsX3BhbmVsLmMgfCAxNCArKysrKysrKysrKysrKwo+ICAxIGZpbGUgY2hh bmdlZCwgMTQgaW5zZXJ0aW9ucygrKQo+Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9p OTE1L2ludGVsX3BhbmVsLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9wYW5lbC5jCj4g aW5kZXggZGQ3MWU3ZjEzOWUzLi5jOWM5NGQwNWYzZGQgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9n cHUvZHJtL2k5MTUvaW50ZWxfcGFuZWwuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2lu dGVsX3BhbmVsLmMKPiBAQCAtNzMxLDYgKzczMSwyMCBAQCBzdGF0aWMgdm9pZCBscHRfZGlzYWJs ZV9iYWNrbGlnaHQoc3RydWN0IGludGVsX2Nvbm5lY3RvciAqY29ubmVjdG9yKQo+ICAKPiAgCWlu dGVsX3BhbmVsX2FjdHVhbGx5X3NldF9iYWNrbGlnaHQoY29ubmVjdG9yLCAwKTsKPiAgCj4gKwkv Kgo+ICsJICogQWx0aG91Z2ggd2UgZG9uJ3Qgc3VwcG9ydCBvciBlbmFibGUgQ1BVIFBXTSB3aXRo IExQVC9TUFQgYmFzZWQKPiArCSAqIHN5c3RlbXMsIGl0IG1heSBoYXZlIGJlZW4gZW5hYmxlZCBw cmlvciB0byBsb2FkaW5nIHRoZQo+ICsJICogZHJpdmVyLiBEaXNhYmxlIHRvIGF2b2lkIHdhcm5p bmdzIG9uIExDUExMIGRpc2FibGUuCj4gKwkgKgo+ICsJICogVGhpcyBuZWVkcyByZXdvcmsgaWYg d2UgbmVlZCB0byBhZGQgc3VwcG9ydCBmb3IgQ1BVIFBXTSBvbiBQQ0ggc3BsaXQKPiArCSAqIHBs YXRmb3Jtcy4KPiArCSAqLwo+ICsJdG1wID0gSTkxNV9SRUFEKEJMQ19QV01fQ1BVX0NUTDIpOwo+ ICsJaWYgKHRtcCAmIEJMTV9QV01fRU5BQkxFKSB7Cj4gKwkJRFJNX0RFQlVHX0tNUygiY3B1IGJh Y2tsaWdodCB3YXMgZW5hYmxlZCwgZGlzYWJsaW5nXG4iKTsKPiArCQlJOTE1X1dSSVRFKEJMQ19Q V01fQ1BVX0NUTDIsIHRtcCAmIH5CTE1fUFdNX0VOQUJMRSk7Cj4gKwl9Cj4gKwo+ICAJdG1wID0g STkxNV9SRUFEKEJMQ19QV01fUENIX0NUTDEpOwo+ICAJSTkxNV9XUklURShCTENfUFdNX1BDSF9D VEwxLCB0bXAgJiB+QkxNX1BDSF9QV01fRU5BQkxFKTsKPiAgfQo+IC0tIAo+IDIuMS40Cj4KCi0t IApKYW5pIE5pa3VsYSwgSW50ZWwgT3BlbiBTb3VyY2UgVGVjaG5vbG9neSBDZW50ZXIKX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxp bmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVl ZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK