From mboxrd@z Thu Jan  1 00:00:00 1970
From: Manasi Navare <manasi.d.navare@intel.com>
Subject: Re: [PATCH 1/2] drm/i915/edp: read edp display control
 registers unconditionally
Date: Thu, 26 Oct 2017 12:40:59 -0700
Message-ID: <20171026194058.GD19276@intel.com>
References: <20171026142932.17737-1-jani.nikula@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 mga01.intel.com (mga01.intel.com [192.55.52.88])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 8D2366E849
 for <intel-gfx@lists.freedesktop.org>; Thu, 26 Oct 2017 19:36:11 +0000 (UTC)
Content-Disposition: inline
In-Reply-To: <20171026142932.17737-1-jani.nikula@intel.com>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <https://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: <https://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: Jani Nikula <jani.nikula@intel.com>
Cc: intel-gfx@lists.freedesktop.org, stable@vger.kernel.org
List-Id: intel-gfx@lists.freedesktop.org

T24gVGh1LCBPY3QgMjYsIDIwMTcgYXQgMDU6Mjk6MzFQTSArMDMwMCwgSmFuaSBOaWt1bGEgd3Jv
dGU6Cj4gUGVyIG15IHJlYWRpbmcgb2YgdGhlIGVEUCBzcGVjLCBEUF9EUENEX0RJU1BMQVlfQ09O
VFJPTF9DQVBBQkxFIGJpdCBpbgo+IERQX0VEUF9DT05GSUdVUkFUSU9OX0NBUCBzaG91bGQgYmUg
c2V0IGlmIHRoZSBlRFAgZGlzcGxheSBjb250cm9sCj4gcmVnaXN0ZXJzIHN0YXJ0aW5nIGF0IG9m
ZnNldCBEUF9FRFBfRFBDRF9SRVYgYXJlICJlbmFibGVkIi4gQ3VycmVudGx5IHdlCj4gY2hlY2sg
dGhlIGJpdCBiZWZvcmUgcmVhZGluZyB0aGUgcmVnaXN0ZXJzLCBhbmQgRFBfRURQX0RQQ0RfUkVW
IGlzIHRoZQo+IG9ubHkgd2F5IHRvIGRldGVjdCBlRFAgcmV2aXNpb24uCj4gCj4gVHVybnMgb3V0
IHRoZXJlIGFyZSAobGlrZWx5IGJ1Z2d5KSBkaXNwbGF5cyB0aGF0IHJlcXVpcmUgZURQIDEuNCsK
PiBmZWF0dXJlcywgc3VjaCBhcyBzdXBwb3J0ZWQgbGluayByYXRlcyBhbmQgbGluayByYXRlIHNl
bGVjdCwgYnV0IGRvIG5vdAo+IGhhdmUgdGhlIGJpdCBzZXQuIFJlYWQgdGhlIGRpc3BsYXkgY29u
dHJvbCByZWdpc3RlcnMKPiB1bmNvbmRpdGlvbmFsbHkuIFRoZXkgYXJlIHN1cHBvc2VkIHRvIHJl
YWQgemVybyBhbnl3YXkgaWYgdGhleSBhcmUgbm90Cj4gc3VwcG9ydGVkLCBzbyB0aGVyZSBzaG91
bGQgYmUgbm8gaGFybSBpbiB0aGlzLgo+IAo+IFRoaXMgZml4ZXMgdGhlIHJlZmVyZW5jZWQgYnVn
IGJ5IGVuYWJsaW5nIHRoZSBlRFAgdmVyc2lvbiBjaGVjaywgYW5kCj4gdGh1cyByZWFkaW5nIG9m
IHRoZSBzdXBwb3J0ZWQgbGluayByYXRlcy4gVGhlIHBhbmVsIGluIHF1ZXN0aW9uIGhhcyAwIGlu
Cj4gRFBfTUFYX0xJTktfUkFURSB3aGljaCBpcyBvbmx5IHN1cHBvcnRlZCBpbiBlRFAgMS40Ky4g
V2l0aG91dCB0aGUKPiBzdXBwb3J0ZWQgbGluayByYXRlcyBtZXRob2Qgd2UgZGVmYXVsdCB0byBS
QlIgd2hpY2ggaXMgaW5zdWZmaWNpZW50IGZvcgo+IHRoZSBwYW5lbCBuYXRpdmUgbW9kZS4gQXMg
YSBjdXJpb3NpdHksIHRoZSBwYW5lbCBhbHNvIGhhcyBhIGJvZ3VzIHZhbHVlCj4gb2YgMHgxMiBp
biBEUF9FRFBfRFBDRF9SRVYsIGJ1dCB0aGF0IHBhc3NlcyBvdXIgY2hlY2sgZm9yID49IERQX0VE
UF8xNAo+ICh3aGljaCBpcyAweDAzKS4KPgoKVGhpcyBpcyB0aGUgc2Vjb25kIHdpZXJkIGVEUCBw
YW5lbCBjYXNlL2J1ZyB0aGF0IEkgaGF2ZSBzZWVuIHJlY2VudGx5CndoZXJlIGl0IGRvZXNudCBu
b3QgYmVoYXZlIGFzIHBlciB0aGUgc3BlYy4KR29vZCBjYXRjaCwgdGhlIGZpeCBsb29rcyBnb29k
IHRvIG1lLgogCj4gQnVnemlsbGE6IGh0dHBzOi8vYnVncy5mcmVlZGVza3RvcC5vcmcvc2hvd19i
dWcuY2dpP2lkPTEwMzQwMAo+IFJlcG9ydGVkLWFuZC10ZXN0ZWQtYnk6IE5pY29sYXMgUC4gPGlz
c3VuLmFydGlzdGVAZ21haWwuY29tPgo+IENjOiBWaWxsZSBTeXJqw6Rsw6QgPHZpbGxlLnN5cmph
bGFAbGludXguaW50ZWwuY29tPgo+IENjOiBzdGFibGVAdmdlci5rZXJuZWwub3JnCj4gU2lnbmVk
LW9mZi1ieTogSmFuaSBOaWt1bGEgPGphbmkubmlrdWxhQGludGVsLmNvbT4KClJldmlld2VkLWJ5
OiBNYW5hc2kgTmF2YXJlIDxtYW5hc2kuZC5uYXZhcmVAaW50ZWwuY29tPgoKPiAtLS0KPiAgZHJp
dmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHAuYyB8IDEzICsrKysrKysrKystLS0KPiAgMSBmaWxl
IGNoYW5nZWQsIDEwIGluc2VydGlvbnMoKyksIDMgZGVsZXRpb25zKC0pCj4gCj4gZGlmZiAtLWdp
dCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkx
NS9pbnRlbF9kcC5jCj4gaW5kZXggYWE3NWY1NWVlYjYxLi4xNTg0MzhiYjAzODkgMTAwNjQ0Cj4g
LS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHAuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1
L2RybS9pOTE1L2ludGVsX2RwLmMKPiBAQCAtMzczNSw5ICszNzM1LDE2IEBAIGludGVsX2VkcF9p
bml0X2RwY2Qoc3RydWN0IGludGVsX2RwICppbnRlbF9kcCkKPiAgCj4gIAl9Cj4gIAo+IC0JLyog
UmVhZCB0aGUgZURQIERpc3BsYXkgY29udHJvbCBjYXBhYmlsaXRpZXMgcmVnaXN0ZXJzICovCj4g
LQlpZiAoKGludGVsX2RwLT5kcGNkW0RQX0VEUF9DT05GSUdVUkFUSU9OX0NBUF0gJiBEUF9EUENE
X0RJU1BMQVlfQ09OVFJPTF9DQVBBQkxFKSAmJgo+IC0JICAgIGRybV9kcF9kcGNkX3JlYWQoJmlu
dGVsX2RwLT5hdXgsIERQX0VEUF9EUENEX1JFViwKPiArCS8qCj4gKwkgKiBSZWFkIHRoZSBlRFAg
ZGlzcGxheSBjb250cm9sIHJlZ2lzdGVycy4KPiArCSAqCj4gKwkgKiBEbyB0aGlzIGluZGVwZW5k
ZW50IG9mIERQX0RQQ0RfRElTUExBWV9DT05UUk9MX0NBUEFCTEUgYml0IGluCj4gKwkgKiBEUF9F
RFBfQ09ORklHVVJBVElPTl9DQVAsIGJlY2F1c2Ugc29tZSBidWdneSBkaXNwbGF5cyBkbyBub3Qg
aGF2ZSBpdAo+ICsJICogc2V0LCBidXQgcmVxdWlyZSBlRFAgMS40KyBkZXRlY3Rpb24gKGUuZy4g
Zm9yIHN1cHBvcnRlZCBsaW5rIHJhdGVzCj4gKwkgKiBtZXRob2QpLiBUaGUgZGlzcGxheSBjb250
cm9sIHJlZ2lzdGVycyBzaG91bGQgcmVhZCB6ZXJvIGlmIHRoZXkncmUKPiArCSAqIG5vdCBzdXBw
b3J0ZWQgYW55d2F5Lgo+ICsJICovCj4gKwlpZiAoZHJtX2RwX2RwY2RfcmVhZCgmaW50ZWxfZHAt
PmF1eCwgRFBfRURQX0RQQ0RfUkVWLAo+ICAJCQkgICAgIGludGVsX2RwLT5lZHBfZHBjZCwgc2l6
ZW9mKGludGVsX2RwLT5lZHBfZHBjZCkpID09Cj4gIAkJCSAgICAgc2l6ZW9mKGludGVsX2RwLT5l
ZHBfZHBjZCkpCj4gIAkJRFJNX0RFQlVHX0tNUygiRURQIERQQ0QgOiAlKnBoXG4iLCAoaW50KSBz
aXplb2YoaW50ZWxfZHAtPmVkcF9kcGNkKSwKPiAtLSAKPiAyLjExLjAKPiAKPiBfX19fX19fX19f
X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwo+IEludGVsLWdmeCBtYWlsaW5n
IGxpc3QKPiBJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCj4gaHR0cHM6Ly9saXN0cy5m
cmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngKX19fX19fX19fX19fX19f
X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJ
bnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Au
b3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==