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 03/10] drm/i915: Do not get aux power for
 disconnected DP ports
Date: Tue, 2 Oct 2018 23:49:06 +0300
Message-ID: <20181002204906.GI9144@intel.com>
References: <20181002175054.15010-1-jose.souza@intel.com>
 <20181002175054.15010-3-jose.souza@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 mga02.intel.com (mga02.intel.com [134.134.136.20])
 by gabe.freedesktop.org (Postfix) with ESMTPS id B7F108961D
 for <intel-gfx@lists.freedesktop.org>; Tue,  2 Oct 2018 20:50:09 +0000 (UTC)
Content-Disposition: inline
In-Reply-To: <20181002175054.15010-3-jose.souza@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: =?iso-8859-1?Q?Jos=E9?= Roberto de Souza <jose.souza@intel.com>
Cc: intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org

T24gVHVlLCBPY3QgMDIsIDIwMTggYXQgMTA6NTA6NDdBTSAtMDcwMCwgSm9zw6kgUm9iZXJ0byBk
ZSBTb3V6YSB3cm90ZToKPiBGb3IgSUNMIHR5cGUtYyBwb3J0cyB0aGVyZSBpcyBhIGF1eCBwb3dl
ciByZXN0cmljdGlvbiwgaXQgY2FuIG9ubHkgYmUKPiBlbmFibGVkIHdoaWxlIHRoZXJlIGlzIHNp
bmsgY29ubmVjdGVkLgo+IAo+IEJTcGVjOiAyMTc1MAo+IAo+IHYyOgo+IC0gcmViYXNlZCBvbiB0
b3Agb2YgdGhlIHJlZmFjdG9yZWQgdmVyc2lvbiBvZiBpbnRlbF9kcF9kZXRlY3QoKQo+IC0gZml4
aW5nIENJIGVycm9ycyBieSBnZXR0aW5nIHJ1bnRpbWVfcG0oKSwgZm9yIFZMVi9DSFYgaXQgaXMg
YWxzbwo+IG5lY2Vzc2FyeSBnZXQgdGhlIERQSU8gcG93ZXIgd2VsbCByZWZlcmVuY2UKPiAKPiBD
YzogSmFuaSBOaWt1bGEgPGphbmkubmlrdWxhQGxpbnV4LmludGVsLmNvbT4KPiBDYzogVmlsbGUg
U3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbT4KPiBDYzogSW1yZSBEZWFr
IDxpbXJlLmRlYWtAaW50ZWwuY29tPgo+IFNpZ25lZC1vZmYtYnk6IEpvc8OpIFJvYmVydG8gZGUg
U291emEgPGpvc2Uuc291emFAaW50ZWwuY29tPgo+IC0tLQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkx
NS9pbnRlbF9kcC5jIHwgMzIgKysrKysrKysrKysrKysrKysrKysrKysrKysrKy0tLS0KPiAgMSBm
aWxlIGNoYW5nZWQsIDI4IGluc2VydGlvbnMoKyksIDQgZGVsZXRpb25zKC0pCj4gCj4gZGlmZiAt
LWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwLmMgYi9kcml2ZXJzL2dwdS9kcm0v
aTkxNS9pbnRlbF9kcC5jCj4gaW5kZXggNWE4NGE5MjliYzdkLi4yY2QyZGM1NjQxODEgMTAwNjQ0
Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHAuYwo+ICsrKyBiL2RyaXZlcnMv
Z3B1L2RybS9pOTE1L2ludGVsX2RwLmMKPiBAQCAtNDk5NiwxMCArNDk5NiwyOCBAQCBib29sIGlu
dGVsX2RpZ2l0YWxfcG9ydF9jb25uZWN0ZWQoc3RydWN0IGludGVsX2VuY29kZXIgKmVuY29kZXIp
Cj4gIAlzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYgPSB0b19pOTE1KGVuY29kZXIt
PmJhc2UuZGV2KTsKPiAgCj4gIAlpZiAoSEFTX0dNQ0hfRElTUExBWShkZXZfcHJpdikpIHsKPiAr
CQllbnVtIGludGVsX2Rpc3BsYXlfcG93ZXJfZG9tYWluIGRvbWFpbiA9IDA7Cj4gKwkJYm9vbCBy
ZXQ7Cj4gKwo+ICsJCS8qCj4gKwkJICogT2RkbHkgVkxWL0NIViBuZWVkcyB0aGUgRFBJTyBwb3dl
ciB3ZWxsIG9uIHRvIGJlIGFibGUgdG8KPiArCQkgKiByZWFkIHRoZSBob3RwbHVnIHN0YXR1cywg
b3RoZXJ3aXNlIGl0IHdpbGwgcmVhZCBhIGJvZ3VzIHZhbHVlCj4gKwkJICogYW5kIHRocm93IGEg
dW5jbGFpbWVkIHJlZ2lzdGVyIHdhcm5pbmcKPiArCQkgKi8KPiArCQlpZiAoSVNfVkFMTEVZVklF
VyhkZXZfcHJpdikgfHwgSVNfQ0hFUlJZVklFVyhkZXZfcHJpdikpIHsKPiArCQkJZG9tYWluID0g
aW50ZWxfcG9ydF90b19wb3dlcl9kb21haW4oZW5jb2Rlci0+cG9ydCk7Cj4gKwkJCWludGVsX2Rp
c3BsYXlfcG93ZXJfZ2V0KGRldl9wcml2LCBkb21haW4pOwo+ICsJCX0KPiArCj4gIAkJaWYgKElT
X0dNNDUoZGV2X3ByaXYpKQo+IC0JCQlyZXR1cm4gZ200NV9kaWdpdGFsX3BvcnRfY29ubmVjdGVk
KGVuY29kZXIpOwo+ICsJCQlyZXQgPSBnbTQ1X2RpZ2l0YWxfcG9ydF9jb25uZWN0ZWQoZW5jb2Rl
cik7Cj4gIAkJZWxzZQo+IC0JCQlyZXR1cm4gZzR4X2RpZ2l0YWxfcG9ydF9jb25uZWN0ZWQoZW5j
b2Rlcik7Cj4gKwkJCXJldCA9IGc0eF9kaWdpdGFsX3BvcnRfY29ubmVjdGVkKGVuY29kZXIpOwo+
ICsKPiArCQlpZiAoSVNfVkFMTEVZVklFVyhkZXZfcHJpdikgfHwgSVNfQ0hFUlJZVklFVyhkZXZf
cHJpdikpCj4gKwkJCWludGVsX2Rpc3BsYXlfcG93ZXJfcHV0KGRldl9wcml2LCBkb21haW4pOwo+
ICsKPiArCQlyZXR1cm4gcmV0Owo+ICAJfQo+ICAKPiAgCWlmIChJU19HRU41KGRldl9wcml2KSkK
PiBAQCAtNTA3NSw3ICs1MDkzLDcgQEAgaW50ZWxfZHBfZGV0ZWN0KHN0cnVjdCBkcm1fY29ubmVj
dG9yICpjb25uZWN0b3IsCj4gIAkJICAgICAgY29ubmVjdG9yLT5iYXNlLmlkLCBjb25uZWN0b3It
Pm5hbWUpOwo+ICAJV0FSTl9PTighZHJtX21vZGVzZXRfaXNfbG9ja2VkKCZkZXZfcHJpdi0+ZHJt
Lm1vZGVfY29uZmlnLmNvbm5lY3Rpb25fbXV0ZXgpKTsKPiAgCj4gLQlpbnRlbF9kaXNwbGF5X3Bv
d2VyX2dldChkZXZfcHJpdiwgaW50ZWxfZHAtPmF1eF9wb3dlcl9kb21haW4pOwo+ICsJaW50ZWxf
cnVudGltZV9wbV9nZXQoZGV2X3ByaXYpOwoKSSBzdGlsbCBtYWludGFpbiB0aGF0IGl0IGNhbid0
IGJlIHRoZSAiaXMgdGhlcmUgYSBzaW5rIG9yIG5vdD8iIHRoaW5nCnRoYXQgbWFrZXMgdGhpcyBm
YWlsLiBUaGUgb25seSB0aGluZyB0aGF0IG1ha2VzIHNlbnNlIHRvIG1lIGlzIHRoZQpwb3J0IHRi
dCB2cy4gdGMgKG9yIHdoYXRldmVyIGl0IHdhcykga25vYi4gT3RoZXJ3aXNlIHdlIGNhbiByYWNl
CndpdGggZGlzcGxheSBob3RwbHVnIGFsbCBkYXkgbG9uZy4KCkFsc28gdGhpcyBpcyBoYXJkbHkg
dGhlIG9ubHkgcGxhY2Ugd2hlcmUgd2UgZ3JhYiB0aGUgcG93ZXIgcmVmZXJlbmNlCnNvIHdlJ2Qg
bmVlZCB0aGUgZHVjdCB0YXBlIGFwcGxpZWQgcXVpdGUgYSBiaXQgbW9yZSBsaWJlcmFsbHkgaWYg
d2UKd2FudGVkIGl0IHRvIHdvcmsuCgpTbyB0aGVyZSBzZWVtcyB0byBiZSBhIGZ1bmRlbWVudGFs
IHByb2JsZW0gd2l0aCB0aGUgd2hvbGUgdGJ0IHZzLiB0Ywptb2RlIHRoaW5nIGluIHRoZSBjdXJy
ZW50IGNvZGUuIFdlIHNob3VsZCBmaXggdGhhdCBiZWZvcmUgd2UgYWRkCnBpbGVzIG9mIGR1Y3Qg
dGFwZToKLSBjb3JyZWN0bHkgdHJhY2sgd2hpY2ggbW9kZSB0aGUgcG9ydCBpcyB1c2VkIGluCi0g
cHJvYmFibHkgc3BsaXQgdGhlIGNvbm5lY3RvciBpbnRvIHRidCB2cy4gdGMgdmFyaWFudHMgKHRv
IG1ha2UgaXQKICBjbGVhciB3aGljaCBtb2RlIGlzIGJlaW5nIHVzZWQpCi0gbWFrZSBzdXJlIGl0
IHN0YXlzIGluIHRoYXQgbW9kZSB1bnRpbCBjdXJyZW50IHVzZXJzIGFyZSBkb25lCi0gYmxvY2sv
cmVqZWN0IG90aGVyIHVzZXMgb2YgdGhlIHBvcnQgd2hpbGUgaXQncyBpbiB0aGUgd3JvbmcgbW9k
ZQotIGRvIHRoZSBhcHByb3JpYXRlIGZsb3dzIHdoZW4gYWNxdWlyaW5nL3JlcWxpbmd1aXNoaW5n
IGNvbnRyb2wKICBvZiB0aGUgcG9ydAotIHRlc3QgdGhlIGhlY2sgb3V0IG9mIGl0IHdpdGggZWcu
IGdlbmNvbm5lY3RvciwgZm9yY2VkIGNvbm5jdG9yCiAgc3RhdHVzLCAvZGV2L2F1eCB0aGluZywg
aTJjLCBldGMuCgo+ICAKPiAgCS8qIElzIHBvcnQgY29ubmVjdGVkPyBlRFAgY2FuJ3QgYmUgZGlz
Y29ubmVjdGVkICovCj4gIAlpZiAoIWludGVsX2RwX2lzX2VkcChpbnRlbF9kcCkgJiYKPiBAQCAt
NTA4NCw2ICs1MTAyLDggQEAgaW50ZWxfZHBfZGV0ZWN0KHN0cnVjdCBkcm1fY29ubmVjdG9yICpj
b25uZWN0b3IsCj4gIAkJZ290byBwb3J0X2Rpc2Nvbm5lY3RlZDsKPiAgCX0KPiAgCj4gKwlpbnRl
bF9kaXNwbGF5X3Bvd2VyX2dldChkZXZfcHJpdiwgaW50ZWxfZHAtPmF1eF9wb3dlcl9kb21haW4p
Owo+ICsKPiAgCWlmIChpbnRlbF9kcF9pc19lZHAoaW50ZWxfZHApKQo+ICAJCXN0YXR1cyA9IGVk
cF9kZXRlY3QoaW50ZWxfZHApOwo+ICAJZWxzZQo+IEBAIC01MTE2LDYgKzUxMzYsNyBAQCBpbnRl
bF9kcF9kZXRlY3Qoc3RydWN0IGRybV9jb25uZWN0b3IgKmNvbm5lY3RvciwKPiAgCQkgKiB3aXRo
IEVESUQgb24gaXQKPiAgCQkgKi8KPiAgCQlpbnRlbF9kaXNwbGF5X3Bvd2VyX3B1dChkZXZfcHJp
diwgaW50ZWxfZHAtPmF1eF9wb3dlcl9kb21haW4pOwo+ICsJCWludGVsX3J1bnRpbWVfcG1fcHV0
KGRldl9wcml2KTsKPiAgCQlyZXR1cm4gY29ubmVjdG9yX3N0YXR1c19kaXNjb25uZWN0ZWQ7Cj4g
IAl9Cj4gIAo+IEBAIC01MTMwLDYgKzUxNTEsNyBAQCBpbnRlbF9kcF9kZXRlY3Qoc3RydWN0IGRy
bV9jb25uZWN0b3IgKmNvbm5lY3RvciwKPiAgCQlpZiAocmV0KSB7Cj4gIAkJCWludGVsX2Rpc3Bs
YXlfcG93ZXJfcHV0KGRldl9wcml2LAo+ICAJCQkJCQlpbnRlbF9kcC0+YXV4X3Bvd2VyX2RvbWFp
bik7Cj4gKwkJCWludGVsX3J1bnRpbWVfcG1fcHV0KGRldl9wcml2KTsKPiAgCQkJcmV0dXJuIHJl
dDsKPiAgCQl9Cj4gIAl9Cj4gQEAgLTUxNTMsOSArNTE3NSwxMSBAQCBpbnRlbF9kcF9kZXRlY3Qo
c3RydWN0IGRybV9jb25uZWN0b3IgKmNvbm5lY3RvciwKPiAgCWludGVsX2RwX2NoZWNrX3NlcnZp
Y2VfaXJxKGludGVsX2RwKTsKPiAgCj4gIAlpbnRlbF9kaXNwbGF5X3Bvd2VyX3B1dChkZXZfcHJp
diwgaW50ZWxfZHAtPmF1eF9wb3dlcl9kb21haW4pOwo+ICsJaW50ZWxfcnVudGltZV9wbV9wdXQo
ZGV2X3ByaXYpOwo+ICAJcmV0dXJuIHN0YXR1czsKPiAgCj4gIHBvcnRfbm90X2RldGVjdGVkOgo+
ICsJaW50ZWxfZGlzcGxheV9wb3dlcl9wdXQoZGV2X3ByaXYsIGludGVsX2RwLT5hdXhfcG93ZXJf
ZG9tYWluKTsKPiAgcG9ydF9kaXNjb25uZWN0ZWQ6Cj4gIAltZW1zZXQoJmludGVsX2RwLT5jb21w
bGlhbmNlLCAwLCBzaXplb2YoaW50ZWxfZHAtPmNvbXBsaWFuY2UpKTsKPiAgCj4gQEAgLTUxNjgs
NyArNTE5Miw3IEBAIGludGVsX2RwX2RldGVjdChzdHJ1Y3QgZHJtX2Nvbm5lY3RvciAqY29ubmVj
dG9yLAo+ICAJfSBlbHNlCj4gIAkJaW50ZWxfZHBfdW5zZXRfZWRpZChpbnRlbF9kcCk7Cj4gIAo+
IC0JaW50ZWxfZGlzcGxheV9wb3dlcl9wdXQoZGV2X3ByaXYsIGludGVsX2RwLT5hdXhfcG93ZXJf
ZG9tYWluKTsKPiArCWludGVsX3J1bnRpbWVfcG1fcHV0KGRldl9wcml2KTsKPiAgCXJldHVybiBz
dGF0dXM7Cj4gIH0KPiAgCj4gLS0gCj4gMi4xOS4wCgotLSAKVmlsbGUgU3lyasOkbMOkCkludGVs
Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdm
eCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xp
c3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=