From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Kumar, Shobhit" Subject: Re: [PATCH] drm/i915: Wait for PP cycle delay only if panel is in power off sequence Date: Thu, 10 Dec 2015 15:01:02 +0530 Message-ID: <56694656.8040607@linux.intel.com> References: <56682130.7070300@linux.intel.com> <1449667308-24296-1-git-send-email-shobhit.kumar@intel.com> <20151209135711.GE4437@intel.com> <20151209150453.GA29974@nuc-i3427.alporthouse.com> <20151209160517.GH4437@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTP id 28C1E6E85A for ; Thu, 10 Dec 2015 01:31:58 -0800 (PST) In-Reply-To: <20151209160517.GH4437@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: =?UTF-8?B?VmlsbGUgU3lyasOkbMOk?= , Shobhit Kumar Cc: Shobhit Kumar , intel-gfx List-Id: intel-gfx@lists.freedesktop.org T24gMTIvMDkvMjAxNSAwOTozNSBQTSwgVmlsbGUgU3lyasOkbMOkIHdyb3RlOgo+IE9uIFdlZCwg RGVjIDA5LCAyMDE1IGF0IDA4OjU5OjI2UE0gKzA1MzAsIFNob2JoaXQgS3VtYXIgd3JvdGU6Cj4+ IE9uIFdlZCwgRGVjIDksIDIwMTUgYXQgODozNCBQTSwgQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJp cy13aWxzb24uY28udWs+IHdyb3RlOgo+Pj4gT24gV2VkLCBEZWMgMDksIDIwMTUgYXQgMDg6MDc6 MTBQTSArMDUzMCwgU2hvYmhpdCBLdW1hciB3cm90ZToKPj4+PiBPbiBXZWQsIERlYyA5LCAyMDE1 IGF0IDc6MjcgUE0sIFZpbGxlIFN5cmrDpGzDpAo+Pj4+IDx2aWxsZS5zeXJqYWxhQGxpbnV4Lmlu dGVsLmNvbT4gd3JvdGU6Cj4+Pj4+IE9uIFdlZCwgRGVjIDA5LCAyMDE1IGF0IDA2OjUxOjQ4UE0g KzA1MzAsIFNob2JoaXQgS3VtYXIgd3JvdGU6Cj4+Pj4+PiBEdXJpbmcgcmVzdW1lLCB3aGlsZSB0 dXJuaW5nIHRoZSBFRFAgcGFuZWwgcG93ZXIgb24sIHdlIG5lZWQgbm90IHdhaXQKPj4+Pj4+IGJs aW5kbHkgZm9yIHBhbmVsX3Bvd2VyX2N5Y2xlX2RlbGF5LiBDaGVjayBpZiBwYW5lbCBwb3dlciBk b3duIHNlcXVlbmNlCj4+Pj4+PiBpbiBwcm9ncmVzcyBhbmQgdGhlbiBvbmx5IHdhaXQuIFRoaXMg aW1wcm92ZXMgb3VyIHJlc3VtZSB0aW1lIHNpZ25pZmljYW50bHkuCj4+Pj4+Pgo+Pj4+Pj4gU2ln bmVkLW9mZi1ieTogU2hvYmhpdCBLdW1hciA8c2hvYmhpdC5rdW1hckBpbnRlbC5jb20+Cj4+Pj4+ PiAtLS0KPj4+Pj4+ICAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHAuYyB8IDE3ICsrKysr KysrKysrKysrKystCj4+Pj4+PiAgIDEgZmlsZSBjaGFuZ2VkLCAxNiBpbnNlcnRpb25zKCspLCAx IGRlbGV0aW9uKC0pCj4+Pj4+Pgo+Pj4+Pj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9p OTE1L2ludGVsX2RwLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jCj4+Pj4+PiBp bmRleCBmMzM1YzkyLi4xMGVjNjY5IDEwMDY0NAo+Pj4+Pj4gLS0tIGEvZHJpdmVycy9ncHUvZHJt L2k5MTUvaW50ZWxfZHAuYwo+Pj4+Pj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxf ZHAuYwo+Pj4+Pj4gQEAgLTYxNyw2ICs2MTcsMjAgQEAgc3RhdGljIGJvb2wgZWRwX2hhdmVfcGFu ZWxfcG93ZXIoc3RydWN0IGludGVsX2RwICppbnRlbF9kcCkKPj4+Pj4+ICAgICAgICByZXR1cm4g KEk5MTVfUkVBRChfcHBfc3RhdF9yZWcoaW50ZWxfZHApKSAmIFBQX09OKSAhPSAwOwo+Pj4+Pj4g ICB9Cj4+Pj4+Pgo+Pj4+Pj4gK3N0YXRpYyBib29sIGVkcF9wYW5lbF9vZmZfc2VxKHN0cnVjdCBp bnRlbF9kcCAqaW50ZWxfZHApCj4+Pj4+PiArewo+Pj4+Pj4gKyAgICAgc3RydWN0IGRybV9kZXZp Y2UgKmRldiA9IGludGVsX2RwX3RvX2RldihpbnRlbF9kcCk7Cj4+Pj4+PiArICAgICBzdHJ1Y3Qg ZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYgPSBkZXYtPmRldl9wcml2YXRlOwo+Pj4+Pj4gKwo+ Pj4+Pj4gKyAgICAgbG9ja2RlcF9hc3NlcnRfaGVsZCgmZGV2X3ByaXYtPnBwc19tdXRleCk7Cj4+ Pj4+PiArCj4+Pj4+PiArICAgICBpZiAoSVNfVkFMTEVZVklFVyhkZXYpICYmCj4+Pj4+PiArICAg ICAgICAgaW50ZWxfZHAtPnBwc19waXBlID09IElOVkFMSURfUElQRSkKPj4+Pj4+ICsgICAgICAg ICAgICAgcmV0dXJuIGZhbHNlOwo+Pj4+Pj4gKwo+Pj4+Pj4gKyAgICAgcmV0dXJuIChJOTE1X1JF QUQoX3BwX3N0YXRfcmVnKGludGVsX2RwKSkgJiBQUF9TRVFVRU5DRV9QT1dFUl9ET1dOKSAhPSAw Owo+Pj4+Pj4gK30KPj4+Pj4KPj4+Pj4gVGhpcyBkb2Vucyd0IG1ha2Ugc2Vuc2UgdG8gbWUuIFRo ZSBwb3dlciBkb3duIGN5Y2xlIG1heSBoYXZlCj4+Pj4+IGNvbXBsZXRlZCBqdXN0IGJlZm9yZSwg YW5kIHNvIHRoaXMgd291bGQgY2xhaW0gd2UgZG9uJ3QgaGF2ZSB0bwo+Pj4+PiB3YWl0IGZvciB0 aGUgcG93ZXJfY3ljbGVfZGVsYXkuCj4+Pj4KPj4+PiBOb3Qgc3VyZSBJIHVuZGVyc3RhbmQgeW91 ciBjb25jZXJuIGNvcnJlY3RseS4gWW91IGFyZSByaWdodCwgcG93ZXIKPj4+PiBkb3duIGN5Y2xl IG1heSBoYXZlIGNvbXBsZXRlZCBqdXN0IGJlZm9yZSBhbmQgaWYgaXQgaGFzIHRoZW4gd2UgZG9u J3QKPj4+PiBuZWVkIHRvIHdhaXQuIEJ1dCBpbiBjYXNlIHRoZSBwb3dlciBkb3duIGN5Y2xlIGlz IGluIHByb2dyZXNzIGFzIHBlcgo+Pj4+IGludGVybmFsIHN0YXRlLCB0aGVuIHdlIG5lZWQgdG8g d2FpdCBmb3IgaXQgdG8gY29tcGxldGUuIFRoaXMgd2lsbAo+Pj4+IGhhcHBlbiBmb3IgZXhhbXBs ZSBpbiBub24tc3VzcGVuZCBkaXNhYmxlIHBhdGggYW5kIHdpbGwgYmUgaGFuZGxlZAo+Pj4+IGNv cnJlY3RseS4gSW4gY2FzZSBvZiBhY3R1YWwgc3VzcGVuZC9yZXN1bWUsIHRoaXMgd291bGQgaGF2 ZQo+Pj4+IHN1Y2Nlc3NmdWxseSBjb21wbGV0ZWQgYW5kIHdpbGwgc2tpcCB0aGUgd2FpdCBhcyBp dCBpcyBub3QgbmVlZGVkCj4+Pj4gYmVmb3JlIGVuYWJsaW5nIHBhbmVsIHBvd2VyLgo+Pj4+Cj4+ Pj4+Cj4+Pj4+PiArCj4+Pj4+PiAgIHN0YXRpYyBib29sIGVkcF9oYXZlX3BhbmVsX3ZkZChzdHJ1 Y3QgaW50ZWxfZHAgKmludGVsX2RwKQo+Pj4+Pj4gICB7Cj4+Pj4+PiAgICAgICAgc3RydWN0IGRy bV9kZXZpY2UgKmRldiA9IGludGVsX2RwX3RvX2RldihpbnRlbF9kcCk7Cj4+Pj4+PiBAQCAtMjAy NSw3ICsyMDM5LDggQEAgc3RhdGljIHZvaWQgZWRwX3BhbmVsX29uKHN0cnVjdCBpbnRlbF9kcCAq aW50ZWxfZHApCj4+Pj4+PiAgICAgICAgICAgICAgICAgcG9ydF9uYW1lKGRwX3RvX2RpZ19wb3J0 KGludGVsX2RwKS0+cG9ydCkpKQo+Pj4+Pj4gICAgICAgICAgICAgICAgcmV0dXJuOwo+Pj4+Pj4K Pj4+Pj4+IC0gICAgIHdhaXRfcGFuZWxfcG93ZXJfY3ljbGUoaW50ZWxfZHApOwo+Pj4+Pj4gKyAg ICAgaWYgKGVkcF9wYW5lbF9vZmZfc2VxKGludGVsX2RwKSkKPj4+Pj4+ICsgICAgICAgICAgICAg d2FpdF9wYW5lbF9wb3dlcl9jeWNsZShpbnRlbF9kcCk7Cj4+Pgo+Pj4gTG9va2luZyBpbiBmcm9t IHRoZSBzaWRlLCBJIGhhdmUgbm8gaWRlYSB3aGF0IHRoaXMgaXMgbWVhbnQgdG8gZG8uIEF0Cj4+ PiB0aGUgdmVyeSBsZWFzdCB5b3UgbmVlZCB5b3VyIGV4cGxhbmF0b3J5IHBhcmFncmFwaCBoZXJl IHdoaWNoIHdvdWxkCj4+PiBpbmNsdWRlIHdoYXQgZXhhY3RseSB5b3UgYXJlIHdhaXRpbmcgZm9y IGF0IHRoZSBzdGFydCBvZiBlZHBfcGFuZWxfb24KPj4+IChhbmQgcGxlYXNlIHRyeSBhbmQgZmlu ZCBhIGJldHRlciBuYW1lIGZvciBlZHBfcGFuZWxfb2ZmX3NlcSgpKS4KPj4KPj4gSSB3aWxsIGFk ZCBhIGNvbW1lbnQuIEJhc2ljYWxseSBJIGFtIG5vdCBhZGRpdGlvbmFsbHkgd2FpdGluZywgYnV0 Cj4+IGNvbnZlcnRpbmcgdGhlIHdhaXQgd2hpY2ggd2FzIGFscmVhZHkgdGhlcmUgdG8gYSBjb25k aXRpb25hbCB3YWl0LiBUaGUKPj4gZWRwX3BhbmVsX29mZl9zZXEsIGNoZWNrcyBpZiBwYW5lbCBw b3dlciBkb3duIHNlcXVlbmNlIGlzIGluIHByb2dyZXNzLgo+PiBJbiB0aGF0IGNhc2Ugd2UgbmVl ZCB0byB3YWl0IGZvciB0aGUgcGFuZWwgcG93ZXIgY3ljbGUgZGVsYXkuIElmIGl0IGlzCj4+IG5v dCBpbiB0aGF0IHNlcXVlbmNlLCB0aGVyZSBpcyBubyBuZWVkIHRvIHdhaXQuIEkgd2lsbCBtYWtl IGFuIGF0dGVtcHQKPj4gYWdhaW4gb24gdGhlIG5hbWluZyBpbiBuZXh0IHBhdGNoIHVwZGF0ZS4K Pgo+IEFzIGZhciBJIHJlbWViZXIgeW91IG5lZWQgdG8gd2FpdCBmb3IgcG93ZXJfY3ljbGVfZGVs YXkgYmV0d2VlbiBwb3dlcgo+IGRvd24gY3ljbGUgYW5kIHBvd2VyIHVwIGN5Y2xlLiBZb3UncmUg dHJ5aW5nIHRvIHRocm93IHRoYXQgd2FpdCBhd2F5Cj4gZW50aXJlbHksIHVubGVzcyB0aGUgZnVu Y3Rpb24gaGFwcGVucyBnZXQgY2FsbGVkIHdoaWxlIHRoZSBwb3dlciBkb3duCgpZZXMgeW91IGFy ZSByaWdodCBhbmQgSSByZWFsaXplIEkgbWFkZSBhIG1pc3Rha2UgaW4gbXkgcGF0Y2ggd2hpY2gg aXMgCm5vdCBjaGVja2luZyBQUF9DWUNMRV9ERUxBWV9BQ1RJVkUgYml0LgoKPiBjeWNsZSBpcyBz dGlsbCBpbiBwcm9ncmVzcy4gV2Ugc2hvdWxkIGFscmVhZHkgb3B0aW1pemUgYXdheSByZWR1bmRh bnQKPiB3YWl0cyBieSB0cmFja2luZyB0aGUgZW5kIG9mIHRoZSBwb3dlciBkb3duIGN5Y2xlIHdp dGggdGhlIGppZmZpZXMKPiB0cmFja2luZy4KPgo+IEFjdHVhbGx5IGxvb2tpbmcgYXQgdGhlIGNv ZGUgdGhlIHBvd2VyX2N5Y2xlX2RlbGF5IGdldHMgY291bnRlZCBmcm9tCj4gdGhlIHN0YXJ0IG9m IHRoZSBsYXN0IHBvd2VyIGRvd24gY3ljbGUsIHNvIHN1cHBvc2VkbHkgaXQncyBhbHdheXMgYXQK PiBsZWFzdCBhcyBsb25nIGFzIHRoZSBwb3dlciBkb3duIGN5Y2xlLCBhbmQgdHlwaWNhbGx5IGl0 J3MgcXVpdGUgYSBiaXQKPiBsb25nZXIgdGhhdCB0aGF0LiBCdXQgdGhhdCBkb2Vzbid0IGNoYW5n ZSB0aGUgZmFjdCB0aGF0IHlvdSBjYW4ndAo+IGp1c3Qgc2tpcCBpdCBiZWNhdXNlIHRoZSBwb3dl ciBkb3duIGN5Y2xlIGRlbGF5IGhhcHBlbmVkIHRvIGVuZAo+IGFscmVhZHkuCj4KPiBTbyB3aGF0 IHdlIGRvIG5vdyBpczoKPiAxLiBpbml0aWF0ZSBwb3dlciBkb3duIGN5Y2xlCj4gMi4gbGFzdF9w b3dlcl9jeWNsZT1qaWZmaWVzCj4gMy4gd2FpdCBmb3IgcG93ZXIgZG93biAoSSBzdXBwb3NlIHRo aXMgYWN0dWFsbHkgd2FpdHMKPiAgICAgdW50aWwgdGhlIHBvd2VyIGRvd24gZGVsYXkgaGFzIHBh c3NlZCBzaW5jZSB0aGF0J3MKPiAgICAgcHJvZ3JhbW1lcyBpbnRvIHRoZSBQUFMpLgo+IDQuIHdh aXQgZm9yIHBvd2VyX2N5Y2xlX2RlbGF5IGZyb20gbGFzdF9wb3dlcl9jeWNsZQo+IDUuIGluaXRp YXRlIHBvd2VyIHVwIGN5Y2xlCj4KPiBJIHRoaW5rIHdpdGggeW91ciBwYXRjaCBzdGVwIDQgd291 bGQgYWx3YXlzIGJlIHNraXBwZWQgc2luY2UgdGhlCj4gcG93ZXIgZG93biBjeWNsZSBoYXMgYWxy ZWFkeSBlbmRlZCwgYW5kIHRoZW4gd2UgZmFpbCB0byBob25vciB0aGUKPiBwb3dlciBjeWNsZSBk ZWxheS4KClllcywgSSBhZ3JlZS4gSSBtaXNzZWQgY2hlY2tpbmcgZm9yIFBQX0NZQ0xFX0RFTEFZ X0FDVElWRS4gQWRkaW5nIHRoYXQgCmNoZWNrIHdpbGwgdGFrZSBjYXJlIG9mIHRoaXMgc2NlbmFy aW8gSSBndWVzcyA/CgpSZWdhcmRzClNob2JoaXQKCj4KPiBBY3R1YWxseSB0aGUgcG93ZXJfY3lj bGUgZGVsYXkgYWxzbyBnZXRzIHByb2dyYW1tZWQgaW50byB0aGUgUFBTIHNvIEkKPiBzdXBvc2Ug aXQgd291bGQgZW5mb3JjZSB0aGUgd2FpdCBhbnl3YXkgd2hlbiB5b3UgaW5pdGlhdGUgdGhlIHBv d2VyCj4gdXAgY3ljbGUgKHVubGVzcyB0aGUgUFBTIGdvdCB0b3RhbGx5IHJlc2V0IGR1ZSB0byBw b3dlciB3ZWxscyBldGMuLAo+IHdoaWNoIGRvZXMgc2VlbSBsaWtlIGEgcmVhbCBjb25jZXJuLiBU aGUgZXZlbiBiaWdnZXIgY29uY2VybiBpcyB0aGUKPiB2ZGQgZm9yY2UgYml0IGZvciB3aGljaCB0 aGUgUFBTIGRvZXMgbm8gZW5mb3JjZW1lbnQuCj4KPiBUaGUgcG93ZXJfZG93bl9kZWxheSBoYW5k bGluZyBzZWVtcyBhIGJpdCB3b25reS4gV2Ugb25seSB3YWl0IGZvciBpdAo+IHdoZW4gdHVybmlu ZyBvZmYgdGhlIHBvcnQuIEkgZ3Vlc3MgSSB3b3VsZCBuZWVkIHRvIGdvIHJlLXJlYWQgdGhlIHNw ZWMKPiB0byBmaWd1cmUgb3V0IHdoYXQgaXQncyBtZWFudCB0byBwcm90ZWN0IGFueXdheS4KPgpf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZngg bWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3Rz LmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=