From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= <ville.syrjala@linux.intel.com>
Subject: Re: [PATCH] drm/i915: respect previous reg values on
 primary plane disable
Date: Fri, 16 Oct 2015 03:14:13 +0300
Message-ID: <20151016001413.GL26517@intel.com>
References: <1444771481-5625-1-git-send-email-kevin.strasser@linux.intel.com>
 <20151014120741.GT26517@intel.com>
 <20151014121227.GA17933@nuc-i3427.alporthouse.com>
 <20151014122223.GU26517@intel.com> <20151014185959.GB7042@H87M>
 <20151014194852.GA26517@intel.com> <20151014203357.GC7042@H87M>
 <20151015082059.GB26517@intel.com> <20151015230048.GD7042@H87M>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces@lists.freedesktop.org>
Received: from mga03.intel.com (mga03.intel.com [134.134.136.65])
 by gabe.freedesktop.org (Postfix) with ESMTP id C43836E9C2
 for <intel-gfx@lists.freedesktop.org>; Thu, 15 Oct 2015 17:14:16 -0700 (PDT)
Content-Disposition: inline
In-Reply-To: <20151015230048.GD7042@H87M>
List-Unsubscribe: <http://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <http://lists.freedesktop.org/archives/intel-gfx>
List-Post: <mailto:intel-gfx@lists.freedesktop.org>
List-Help: <mailto:intel-gfx-request@lists.freedesktop.org?subject=help>
List-Subscribe: <http://lists.freedesktop.org/mailman/listinfo/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=subscribe>
Errors-To: intel-gfx-bounces@lists.freedesktop.org
Sender: "Intel-gfx" <intel-gfx-bounces@lists.freedesktop.org>
To: Kevin Strasser <kevin.strasser@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org

T24gVGh1LCBPY3QgMTUsIDIwMTUgYXQgMDQ6MDA6NDhQTSAtMDcwMCwgS2V2aW4gU3RyYXNzZXIg
d3JvdGU6Cj4gT24gVGh1LCBPY3QgMTUsIDIwMTUgYXQgMTE6MjA6NTlBTSArMDMwMCwgVmlsbGUg
U3lyasOkbMOkIHdyb3RlOgo+ID4gT24gV2VkLCBPY3QgMTQsIDIwMTUgYXQgMDE6MzM6NTdQTSAt
MDcwMCwgS2V2aW4gU3RyYXNzZXIgd3JvdGU6Cj4gPiA+IE9uIFdlZCwgT2N0IDE0LCAyMDE1IGF0
IDEwOjQ4OjUyUE0gKzAzMDAsIFZpbGxlIFN5cmrDpGzDpCB3cm90ZToKPiA+ID4gPiBEb2VzIGl0
PyBJIGp1c3QgdHJpZWQgaXQgb24gSVZCLCBhbmQgYmVoYXZlcyBqdXN0IGxpa2UgeW91IHNhaWQu
IFNvIG5vdAo+ID4gPiA+IHN1cmUgaG93IGZhciBiYWNrIHRoaXMgZ29lcy4KPiA+ID4gCj4gPiA+
IEFoLCBzbyB0aGlzIHRlc3QgY2FzZSBpcyBmYWlsaW5nIG9uIElWQiB0b28/Cj4gPiAKPiA+IEkg
anVzdCBwb2tlZCBhdCB0aGUgcmVnaXN0ZXJzLiBJIGRvbid0IHRoaW5rIHdlIGhhdmUgc3BlY2lm
aWMgdGVzdCBjYXNlcwo+ID4gZm9yIHRoaXMsIHNvIGFueSBjdXJyZW50bHkgZmFpbGluZyB0ZXN0
IGNhc2UgaXMganVzdCBiYWQgbHVjay4KPiA+IAo+ID4gSXQgd291bGQgYmUgZ29vZCB0byB3cml0
ZSBhIHNtYWxsIHRvb2wgdGhhdCBqdXN0IGZyb2JzIHRoZSByZWdpc3RlcnMgaW4KPiA+IHNwZWNp
ZmljIHdheXMsIGFuZCB0ZWxscyB1cyBpZiB0aGUgdGVzdCBtYWNoaW5lIHN1ZmZlcnMgZnJvbSB0
aGlzIGlzc3VlLgo+ID4gV291bGQgYmUgZWFzeSB0byBydW4gb24gYW55IG1hY2hpbmUgdGhlbi4K
PiAKPiBBZ3JlZWQsIGl0IGlzIHNvbWV3aGF0IHBhaW5mdWwgZ2V0dGluZyB0aGUgd2hvbGUgdGVz
dCBzdWl0ZSBidWlsdCBhbmQgcnVubmluZyBpbgo+IHNvbWUgZW52aXJvbm1lbnRzLgo+IAo+ID4g
V2hhdCBJIGRpZCBtYW51YWxseSB3YXM6Cj4gPiBpbnRlbF9yZWcgd3JpdGUgMHg0YTAwMCAweDQw
MDAwMAo+ID4gaW50ZWxfcmVnIHdyaXRlIDB4NzAxODAgMHgwCj4gPiA8d2hhdGV2ZXI+ID0gaW50
ZWxfcmVnIHJlYWQgMHg3MDE5Ywo+ID4gaW50ZWxfcmVnIHdyaXRlIDB4NzAxOWMgPHdoYXRldmVy
Pgo+ID4gCj4gPiBhbmQgYXMgYSBzZWNvbmQgdGVzdCBJIHRyaWVkOgo+ID4gaW50ZWxfcmVnIHdy
aXRlIDB4NzAxODAgPG9yaWdpbmFsIHZhbHVlICYgfigxPDwzMSkpCj4gPiA8d2hhdGV2ZXI+ID0g
aW50ZWxfcmVnIHJlYWQgMHg3MDE5Ywo+ID4gaW50ZWxfcmVnIHdyaXRlIDB4NzAxOWMgPHdoYXRl
dmVyPgo+ID4gCj4gPiBBbmQgdGhlIHJlc3VsdCB3YXMgYmxhY2sgaW4gdGhlIGZpcnN0IHRlc3Qs
IGRhcmsgcmVkIGluCj4gPiB0aGUgc2Vjb25kLgo+ID4gCj4gPiBPbiBTS0wgSSBhZGRpdGlvbmFs
bHkgdHJpZWQgdG8gcmVzaXplIHRoZSBwbGFuZSB0byBiZSBzbWFsbGVyLCBhbmQgdGhlbgo+ID4g
dHJpZWQgdGhlIHNhbWUgdGhpbmcuIEJ1dCBhcyBzdGF0ZWQgdGhlIHBhbGV0dGUgc2VlbXMgdG8g
bWlzYmVoYXZlCj4gPiBzb21laG93LCBzbyB0aGVyZSB3YXMgbm8gY2hhbmdlIGluIHRoZSBvdXRw
dXQgZnJvbSBjaGFuZ2luZyBlbnRyeSAwIGV2ZW4KPiA+IHRob3VnaCBtb3N0IG9mIHRoZSBzY3Jl
ZW4gd2FzIHN1cHBvc2VkIHRvIGJlIGJsYWNrLgo+ID4gCj4gPiA+IEFyZSB0aGVyZSBhbnkgcmVw
b3J0aW5nIHRvb2xzIHdlCj4gPiA+IGNhbiBsb29rIGF0IHRvIGZpbmQgb3V0IHdoYXQgdGVzdHMg
YXJlIHBhc3NpbmcgZm9yIGVhY2ggcGxhdGZvcm0/Cj4gPiA+IAo+ID4gPiA+IEFuZCBub3cgSSdt
IHJlYWxseSB3b25kZXJpbmcgYWJvdXQgcGxhdGZvcm1zIHdoZXJlIHRoZSBwcmltYXJ5Cj4gPiA+
ID4gcGxhbmUgbmVlZCBub3QgYmUgZnVsbHNjcmVlbiAoZ2VuMi8zIGFuZCBjaHYpLgo+ID4gPiA+
IAo+ID4gPiA+IEkgdHJpZWQgdGhpcyBvbiBTS0wgdG9vLCBidXQgdGhhdCBjb25mdXNlZCBtZSBl
dmVuIG1vcmUuIFRoZSBkYXRhIG5vdAo+ID4gPiA+IGdvaW5nIHRocm91Z2ggYW55IHBsYW5lIHNl
ZW1zIHRvIGJlIGdhbW1hIGNvcnJlY3RlZCByZWdhcmRsZXNzIG9mIGFueQo+ID4gPiA+IHBsYW5l
IGNvbnRyb2wgYml0cywgc28gdGhhdCdzIGdvb2QuIEhvd2V2ZXIgdGhlIGxlZ2FjeSBwYWxldHRl
IHNlZW1zCj4gPiA+ID4gYWxsIGZ1YmFyLiBCbGFjayBpbnB1dCBhcHBhcmVudGx5IGRvZXNuJ3Qg
bWFwIHRvIHBhbGV0dGUgZW50cnkgMC4KPiA+ID4gPiBJIHdvbmRlciBpZiB5b3UncmUgc2VlaW5n
IHRoaXMgb24gSFNXIHRvbywgb3IgaXMgeW91ciBwYWxldHRlIGVudHJ5IDAKPiA+ID4gPiBzdXBw
b3NlZCB0byBiZSBub24tYmxhY2s/Cj4gPiA+IAo+ID4gPiBJIGFsc28gdHJpZWQgb24gQkRXIGFu
ZCBpdCBpcyBwYXNzaW5nIHRoZSB0ZXN0IHdpdGggYW5kIHdpdGhvdXQgbXkgcGF0Y2gKPiA+ID4g
YXBwbGllZC4KPiA+ID4gCj4gPiA+IEknbSBub3QgcmVhbGx5IHN1cmUgd2hhdCAncGFsZXR0ZSBl
bnRyeSAwJyB5b3UgYXJlIGxvb2tpbmcgZm9yLiBDb3VsZCB5b3UgcG9pbnQKPiA+ID4gbWUgdG8g
d2hlcmUgaW4gdGhlIGNvZGUgSSBjYW4gZmluZCBvdXQ/Cj4gPiAKPiA+IFJlZ2lzdGVyIDB4NGEw
MDAsIDB4NGE4MDAsIDB4NGIwMDAsIGRlcGVuZGluZyBvbiB3aGljaCBwaXBlIHlvdSdyZQo+ID4g
dXNpbmcuCj4gCj4gSSdtIHVzaW5nIHBpcGUgQSwgaGVyZSBpcyB0aGUgb3V0cHV0IG9mICdpbnRl
bF9yZWcgcmVhZCAweDRhMDAwJzoKPiAoMHgwMDA0YTAwMCk6IDB4MDAwMDAwMDAKPiAKPiBJIHN1
cHBvc2UgdGhpcyBtZWFucyBwYWxldHRlIGVudHJ5IDAgaXMgYmxhY2sgZm9yIG1lLgoKSXQgbWVh
bnMgaXQncyBzdXBwb3NlZCB0byBiZSBibGFjay4gQnV0IGlmIHlvdSBzYXcgYSBkaWZmZXJlbmNl
IGJldHdlZW4KYmxhY2sgd2hlbiBpdCB3ZW50IHRocm91Z2ggdGhlIGdhbW1hIGFuZCB3aGVuIGl0
IGRpZG4ndCwgdGhlbiBJIGd1ZXNzCmJsYWNrIGlzIG5vdCBoaXR0aW5nIGVudHJ5IDAgb24gaHN3
IGVpdGhlci4gU28gc29tZXRoaW5nIHNlZW1zIGZpc2h5LgoKPiAKPiA+ID4gPiBMb29rcyBsaWtl
IHF1aXRlIGEgYml0IG1vcmUgdGVzdGluZyBpcyBuZWVkZWQgdG8gZ2V0IHRvIHRoZSBib3R0b20g
b2YKPiA+ID4gPiB0aGlzLgo+ID4gPiAKPiA+ID4gQWdyZWVkLCB0aGlzIGRvZXMgc2VlbSB0byBl
eHRlbmQgYmV5b25kIEhTVy4gRm9yIG5vdyBkbyB5b3UgdGhpbmsgbXkgcGF0Y2ggaXMKPiA+ID4g
dGhlIHJpZ2h0IGFwcHJvYWNoIGF0IGxlYXN0IGZvciBIU1cgYWxvbmU/Cj4gPiAKPiA+IFllYWgs
IGxvb2tzIHRoYXQgd2F5LiBCdXQgd2UgZG8gbmVlZCB0byBmaWd1cmUgb3V0IHdoaWNoIGJpdHMg
YmVoYXZlCj4gPiB0aGlzIHdheS4gSWUuIGlzIGl0IGp1c3QgZ2FtbWEsIG9yIHBpcGUgY3NjIHRv
bywgb3IgcGVyaGFwcyBldmVuIHNvbWUKPiA+IG90aGVyIGJpdHM/Cj4gCj4gSSBkaWQgc29tZSB0
ZXN0aW5nIGFuZCBpdCBzZWVtcyB0aGF0IGdhbW1hIGFuZCBwaXBlIGNzYyBhcmUgYm90aCBuZWVk
ZWQgdG8gcGFzcwo+IHRoZSB0ZXN0IG9uIEhTVy4gdjIgb2YgdGhlIHBhdGNoIHNldHMgdGhlbSBl
eHBsaWNpdGx5Lgo+IAo+IFRoYW5rcywKPiBLZXZpbgoKLS0gClZpbGxlIFN5cmrDpGzDpApJbnRl
bCBPVEMKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50
ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6
Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK