From mboxrd@z Thu Jan  1 00:00:00 1970
From: Kevin Strasser <kevin.strasser@linux.intel.com>
Subject: Re: [PATCH] drm/i915: respect previous reg values on
 primary plane disable
Date: Thu, 15 Oct 2015 16:00:48 -0700
Message-ID: <20151015230048.GD7042@H87M>
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>
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 mga11.intel.com (mga11.intel.com [192.55.52.93])
 by gabe.freedesktop.org (Postfix) with ESMTP id CCDE56E9B4
 for <intel-gfx@lists.freedesktop.org>; Thu, 15 Oct 2015 16:00:04 -0700 (PDT)
Content-Disposition: inline
In-Reply-To: <20151015082059.GB26517@intel.com>
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: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= <ville.syrjala@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org

T24gVGh1LCBPY3QgMTUsIDIwMTUgYXQgMTE6MjA6NTlBTSArMDMwMCwgVmlsbGUgU3lyasOkbMOk
IHdyb3RlOgo+IE9uIFdlZCwgT2N0IDE0LCAyMDE1IGF0IDAxOjMzOjU3UE0gLTA3MDAsIEtldmlu
IFN0cmFzc2VyIHdyb3RlOgo+ID4gT24gV2VkLCBPY3QgMTQsIDIwMTUgYXQgMTA6NDg6NTJQTSAr
MDMwMCwgVmlsbGUgU3lyasOkbMOkIHdyb3RlOgo+ID4gPiBEb2VzIGl0PyBJIGp1c3QgdHJpZWQg
aXQgb24gSVZCLCBhbmQgYmVoYXZlcyBqdXN0IGxpa2UgeW91IHNhaWQuIFNvIG5vdAo+ID4gPiBz
dXJlIGhvdyBmYXIgYmFjayB0aGlzIGdvZXMuCj4gPiAKPiA+IEFoLCBzbyB0aGlzIHRlc3QgY2Fz
ZSBpcyBmYWlsaW5nIG9uIElWQiB0b28/Cj4gCj4gSSBqdXN0IHBva2VkIGF0IHRoZSByZWdpc3Rl
cnMuIEkgZG9uJ3QgdGhpbmsgd2UgaGF2ZSBzcGVjaWZpYyB0ZXN0IGNhc2VzCj4gZm9yIHRoaXMs
IHNvIGFueSBjdXJyZW50bHkgZmFpbGluZyB0ZXN0IGNhc2UgaXMganVzdCBiYWQgbHVjay4KPiAK
PiBJdCB3b3VsZCBiZSBnb29kIHRvIHdyaXRlIGEgc21hbGwgdG9vbCB0aGF0IGp1c3QgZnJvYnMg
dGhlIHJlZ2lzdGVycyBpbgo+IHNwZWNpZmljIHdheXMsIGFuZCB0ZWxscyB1cyBpZiB0aGUgdGVz
dCBtYWNoaW5lIHN1ZmZlcnMgZnJvbSB0aGlzIGlzc3VlLgo+IFdvdWxkIGJlIGVhc3kgdG8gcnVu
IG9uIGFueSBtYWNoaW5lIHRoZW4uCgpBZ3JlZWQsIGl0IGlzIHNvbWV3aGF0IHBhaW5mdWwgZ2V0
dGluZyB0aGUgd2hvbGUgdGVzdCBzdWl0ZSBidWlsdCBhbmQgcnVubmluZyBpbgpzb21lIGVudmly
b25tZW50cy4KCj4gV2hhdCBJIGRpZCBtYW51YWxseSB3YXM6Cj4gaW50ZWxfcmVnIHdyaXRlIDB4
NGEwMDAgMHg0MDAwMDAKPiBpbnRlbF9yZWcgd3JpdGUgMHg3MDE4MCAweDAKPiA8d2hhdGV2ZXI+
ID0gaW50ZWxfcmVnIHJlYWQgMHg3MDE5Ywo+IGludGVsX3JlZyB3cml0ZSAweDcwMTljIDx3aGF0
ZXZlcj4KPiAKPiBhbmQgYXMgYSBzZWNvbmQgdGVzdCBJIHRyaWVkOgo+IGludGVsX3JlZyB3cml0
ZSAweDcwMTgwIDxvcmlnaW5hbCB2YWx1ZSAmIH4oMTw8MzEpKQo+IDx3aGF0ZXZlcj4gPSBpbnRl
bF9yZWcgcmVhZCAweDcwMTljCj4gaW50ZWxfcmVnIHdyaXRlIDB4NzAxOWMgPHdoYXRldmVyPgo+
IAo+IEFuZCB0aGUgcmVzdWx0IHdhcyBibGFjayBpbiB0aGUgZmlyc3QgdGVzdCwgZGFyayByZWQg
aW4KPiB0aGUgc2Vjb25kLgo+IAo+IE9uIFNLTCBJIGFkZGl0aW9uYWxseSB0cmllZCB0byByZXNp
emUgdGhlIHBsYW5lIHRvIGJlIHNtYWxsZXIsIGFuZCB0aGVuCj4gdHJpZWQgdGhlIHNhbWUgdGhp
bmcuIEJ1dCBhcyBzdGF0ZWQgdGhlIHBhbGV0dGUgc2VlbXMgdG8gbWlzYmVoYXZlCj4gc29tZWhv
dywgc28gdGhlcmUgd2FzIG5vIGNoYW5nZSBpbiB0aGUgb3V0cHV0IGZyb20gY2hhbmdpbmcgZW50
cnkgMCBldmVuCj4gdGhvdWdoIG1vc3Qgb2YgdGhlIHNjcmVlbiB3YXMgc3VwcG9zZWQgdG8gYmUg
YmxhY2suCj4gCj4gPiBBcmUgdGhlcmUgYW55IHJlcG9ydGluZyB0b29scyB3ZQo+ID4gY2FuIGxv
b2sgYXQgdG8gZmluZCBvdXQgd2hhdCB0ZXN0cyBhcmUgcGFzc2luZyBmb3IgZWFjaCBwbGF0Zm9y
bT8KPiA+IAo+ID4gPiBBbmQgbm93IEknbSByZWFsbHkgd29uZGVyaW5nIGFib3V0IHBsYXRmb3Jt
cyB3aGVyZSB0aGUgcHJpbWFyeQo+ID4gPiBwbGFuZSBuZWVkIG5vdCBiZSBmdWxsc2NyZWVuIChn
ZW4yLzMgYW5kIGNodikuCj4gPiA+IAo+ID4gPiBJIHRyaWVkIHRoaXMgb24gU0tMIHRvbywgYnV0
IHRoYXQgY29uZnVzZWQgbWUgZXZlbiBtb3JlLiBUaGUgZGF0YSBub3QKPiA+ID4gZ29pbmcgdGhy
b3VnaCBhbnkgcGxhbmUgc2VlbXMgdG8gYmUgZ2FtbWEgY29ycmVjdGVkIHJlZ2FyZGxlc3Mgb2Yg
YW55Cj4gPiA+IHBsYW5lIGNvbnRyb2wgYml0cywgc28gdGhhdCdzIGdvb2QuIEhvd2V2ZXIgdGhl
IGxlZ2FjeSBwYWxldHRlIHNlZW1zCj4gPiA+IGFsbCBmdWJhci4gQmxhY2sgaW5wdXQgYXBwYXJl
bnRseSBkb2Vzbid0IG1hcCB0byBwYWxldHRlIGVudHJ5IDAuCj4gPiA+IEkgd29uZGVyIGlmIHlv
dSdyZSBzZWVpbmcgdGhpcyBvbiBIU1cgdG9vLCBvciBpcyB5b3VyIHBhbGV0dGUgZW50cnkgMAo+
ID4gPiBzdXBwb3NlZCB0byBiZSBub24tYmxhY2s/Cj4gPiAKPiA+IEkgYWxzbyB0cmllZCBvbiBC
RFcgYW5kIGl0IGlzIHBhc3NpbmcgdGhlIHRlc3Qgd2l0aCBhbmQgd2l0aG91dCBteSBwYXRjaAo+
ID4gYXBwbGllZC4KPiA+IAo+ID4gSSdtIG5vdCByZWFsbHkgc3VyZSB3aGF0ICdwYWxldHRlIGVu
dHJ5IDAnIHlvdSBhcmUgbG9va2luZyBmb3IuIENvdWxkIHlvdSBwb2ludAo+ID4gbWUgdG8gd2hl
cmUgaW4gdGhlIGNvZGUgSSBjYW4gZmluZCBvdXQ/Cj4gCj4gUmVnaXN0ZXIgMHg0YTAwMCwgMHg0
YTgwMCwgMHg0YjAwMCwgZGVwZW5kaW5nIG9uIHdoaWNoIHBpcGUgeW91J3JlCj4gdXNpbmcuCgpJ
J20gdXNpbmcgcGlwZSBBLCBoZXJlIGlzIHRoZSBvdXRwdXQgb2YgJ2ludGVsX3JlZyByZWFkIDB4
NGEwMDAnOgooMHgwMDA0YTAwMCk6IDB4MDAwMDAwMDAKCkkgc3VwcG9zZSB0aGlzIG1lYW5zIHBh
bGV0dGUgZW50cnkgMCBpcyBibGFjayBmb3IgbWUuCgo+ID4gPiBMb29rcyBsaWtlIHF1aXRlIGEg
Yml0IG1vcmUgdGVzdGluZyBpcyBuZWVkZWQgdG8gZ2V0IHRvIHRoZSBib3R0b20gb2YKPiA+ID4g
dGhpcy4KPiA+IAo+ID4gQWdyZWVkLCB0aGlzIGRvZXMgc2VlbSB0byBleHRlbmQgYmV5b25kIEhT
Vy4gRm9yIG5vdyBkbyB5b3UgdGhpbmsgbXkgcGF0Y2ggaXMKPiA+IHRoZSByaWdodCBhcHByb2Fj
aCBhdCBsZWFzdCBmb3IgSFNXIGFsb25lPwo+IAo+IFllYWgsIGxvb2tzIHRoYXQgd2F5LiBCdXQg
d2UgZG8gbmVlZCB0byBmaWd1cmUgb3V0IHdoaWNoIGJpdHMgYmVoYXZlCj4gdGhpcyB3YXkuIEll
LiBpcyBpdCBqdXN0IGdhbW1hLCBvciBwaXBlIGNzYyB0b28sIG9yIHBlcmhhcHMgZXZlbiBzb21l
Cj4gb3RoZXIgYml0cz8KCkkgZGlkIHNvbWUgdGVzdGluZyBhbmQgaXQgc2VlbXMgdGhhdCBnYW1t
YSBhbmQgcGlwZSBjc2MgYXJlIGJvdGggbmVlZGVkIHRvIHBhc3MKdGhlIHRlc3Qgb24gSFNXLiB2
MiBvZiB0aGUgcGF0Y2ggc2V0cyB0aGVtIGV4cGxpY2l0bHkuCgpUaGFua3MsCktldmluCl9fX19f
X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWls
aW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMuZnJl
ZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==