From: Jani Nikula Subject: Re: [PATCH] drm/i915: disable CPU PWM also on LPT/SPT backlight disable Date: Thu, 08 Oct 2015 16:44:07 +0300 Message-ID: <87oag979w8.fsf@intel.com> References: <87y4fpmyqi.fsf@yhuang-dev.intel.com> <1443530508-12112-1-git-send-email-jani.nikula@intel.com> <87io6tie5w.fsf@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTP id 4E9986ECD8 for ; Thu, 8 Oct 2015 06:40:45 -0700 (PDT) In-Reply-To: <87io6tie5w.fsf@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 Ckh1YW5nLCBwbGVhc2UgdHJ5IHRoaXMgcGF0Y2guCgpCUiwKSmFuaS4KCgpPbiBUdWUsIDI5IFNl cCAyMDE1LCBKYW5pIE5pa3VsYSA8amFuaS5uaWt1bGFAaW50ZWwuY29tPiB3cm90ZToKPiBBbHNv IGFkZGluZyBDYzogaW50ZWwtZ2Z4LCBwbGVhc2UgaW5jbHVkZSB0aGF0IGluIGZvbGxvdy11cHMu Cj4KPiBUaGFua3MsCj4gSmFuaS4KPgo+IE9uIFR1ZSwgMjkgU2VwIDIwMTUsIEphbmkgTmlrdWxh IDxqYW5pLm5pa3VsYUBpbnRlbC5jb20+IHdyb3RlOgo+PiBBbHRob3VnaCB3ZSBkb24ndCBzdXBw b3J0IG9yIGVuYWJsZSBDUFUgUFdNIHdpdGggTFBUL1NQVCBiYXNlZCBzeXN0ZW1zLAo+PiBpdCBt YXkgaGF2ZSBiZWVuIGVuYWJsZWQgcHJpb3IgdG8gbG9hZGluZyB0aGUgZHJpdmVyLiBEaXNhYmxl IHRoZSBDUFUKPj4gUFdNIG9uIExQVC9TUFQgYmFja2xpZ2h0IGRpc2FibGUgdG8gYXZvaWQgd2Fy bmluZ3Mgb24gTENQTEwgZGlzYWJsZS4KPj4KPj4gVGhlIGlzc3VlIGhhcyBiZWVuIHByZXNlbnQg b24gQkRXIHNpbmNlIEJEVyBlbmFibGluZywgYnV0IHdhcyByZWNlbnRseQo+PiBpbnRyb2R1Y2Vk IG9uIEhTVyB3aXRoCj4+Cj4+IGNvbW1pdCA0MzdiMTViODAxN2UwZDk0NjQ1M2MxMDc5NGIwYzVk NDU5MWNmMTgwCj4+IEF1dGhvcjogSmFuaSBOaWt1bGEgPGphbmkubmlrdWxhQGludGVsLmNvbT4K Pj4gRGF0ZTogICBGcmkgU2VwIDQgMTY6NTU6MTMgMjAxNSArMDMwMAo+Pgo+PiAgICAgZHJtL2k5 MTU6IHVzZSBwY2ggYmFja2xpZ2h0IG92ZXJyaWRlIG9uIGhzdyB0b28KPj4KPj4gUmVmZXJlbmNl OiBodHRwOi8vbWlkLmdtYW5lLm9yZy84N3k0ZnJod3NuLmZzZkB5aHVhbmctZGV2LmludGVsLmNv bQo+PiBSZXBvcnRlZC1ieToga2VybmVsIHRlc3Qgcm9ib3QgPHlpbmcuaHVhbmdAaW50ZWwuY29t Pgo+PiBTaWduZWQtb2ZmLWJ5OiBKYW5pIE5pa3VsYSA8amFuaS5uaWt1bGFAaW50ZWwuY29tPgo+ PiAtLS0KPj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3BhbmVsLmMgfCAxNCArKysrKysr KysrKysrKwo+PiAgMSBmaWxlIGNoYW5nZWQsIDE0IGluc2VydGlvbnMoKykKPj4KPj4gZGlmZiAt LWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3BhbmVsLmMgYi9kcml2ZXJzL2dwdS9k cm0vaTkxNS9pbnRlbF9wYW5lbC5jCj4+IGluZGV4IGRkNzFlN2YxMzllMy4uYzljOTRkMDVmM2Rk IDEwMDY0NAo+PiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9wYW5lbC5jCj4+ICsr KyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3BhbmVsLmMKPj4gQEAgLTczMSw2ICs3MzEs MjAgQEAgc3RhdGljIHZvaWQgbHB0X2Rpc2FibGVfYmFja2xpZ2h0KHN0cnVjdCBpbnRlbF9jb25u ZWN0b3IgKmNvbm5lY3RvcikKPj4gIAo+PiAgCWludGVsX3BhbmVsX2FjdHVhbGx5X3NldF9iYWNr bGlnaHQoY29ubmVjdG9yLCAwKTsKPj4gIAo+PiArCS8qCj4+ICsJICogQWx0aG91Z2ggd2UgZG9u J3Qgc3VwcG9ydCBvciBlbmFibGUgQ1BVIFBXTSB3aXRoIExQVC9TUFQgYmFzZWQKPj4gKwkgKiBz eXN0ZW1zLCBpdCBtYXkgaGF2ZSBiZWVuIGVuYWJsZWQgcHJpb3IgdG8gbG9hZGluZyB0aGUKPj4g KwkgKiBkcml2ZXIuIERpc2FibGUgdG8gYXZvaWQgd2FybmluZ3Mgb24gTENQTEwgZGlzYWJsZS4K Pj4gKwkgKgo+PiArCSAqIFRoaXMgbmVlZHMgcmV3b3JrIGlmIHdlIG5lZWQgdG8gYWRkIHN1cHBv cnQgZm9yIENQVSBQV00gb24gUENIIHNwbGl0Cj4+ICsJICogcGxhdGZvcm1zLgo+PiArCSAqLwo+ PiArCXRtcCA9IEk5MTVfUkVBRChCTENfUFdNX0NQVV9DVEwyKTsKPj4gKwlpZiAodG1wICYgQkxN X1BXTV9FTkFCTEUpIHsKPj4gKwkJRFJNX0RFQlVHX0tNUygiY3B1IGJhY2tsaWdodCB3YXMgZW5h YmxlZCwgZGlzYWJsaW5nXG4iKTsKPj4gKwkJSTkxNV9XUklURShCTENfUFdNX0NQVV9DVEwyLCB0 bXAgJiB+QkxNX1BXTV9FTkFCTEUpOwo+PiArCX0KPj4gKwo+PiAgCXRtcCA9IEk5MTVfUkVBRChC TENfUFdNX1BDSF9DVEwxKTsKPj4gIAlJOTE1X1dSSVRFKEJMQ19QV01fUENIX0NUTDEsIHRtcCAm IH5CTE1fUENIX1BXTV9FTkFCTEUpOwo+PiAgfQo+PiAtLSAKPj4gMi4xLjQKPj4KPgo+IC0tIAo+ IEphbmkgTmlrdWxhLCBJbnRlbCBPcGVuIFNvdXJjZSBUZWNobm9sb2d5IENlbnRlcgoKLS0gCkph bmkgTmlrdWxhLCBJbnRlbCBPcGVuIFNvdXJjZSBUZWNobm9sb2d5IENlbnRlcgpfX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBs aXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNr dG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=