From mboxrd@z Thu Jan  1 00:00:00 1970
From: Daniel Vetter <daniel@ffwll.ch>
Subject: Re: [PATCH 3/7] drm/i915: Spin opportunistically in
 wait_for
Date: Wed, 18 May 2016 10:20:22 +0200
Message-ID: <20160518082022.GZ27098@phenom.ffwll.local>
References: <1463499808-3335-1-git-send-email-mika.kuoppala@intel.com>
 <1463499808-3335-4-git-send-email-mika.kuoppala@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 mail-wm0-x241.google.com (mail-wm0-x241.google.com
 [IPv6:2a00:1450:400c:c09::241])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 91BAE6E803
 for <intel-gfx@lists.freedesktop.org>; Wed, 18 May 2016 08:20:23 +0000 (UTC)
Received: by mail-wm0-x241.google.com with SMTP id n129so10791396wmn.1
 for <intel-gfx@lists.freedesktop.org>; Wed, 18 May 2016 01:20:23 -0700 (PDT)
Content-Disposition: inline
In-Reply-To: <1463499808-3335-4-git-send-email-mika.kuoppala@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: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org

T24gVHVlLCBNYXkgMTcsIDIwMTYgYXQgMDY6NDM6MjRQTSArMDMwMCwgTWlrYSBLdW9wcGFsYSB3
cm90ZToKPiBVc3VhbGx5IHRoZSBjb25kaXRpb24gd2UgYXJlIGFmdGVyIGFwcGVhcnMgd2l0aGlu
IHZlcnkgc2hvcnQgdGltZS4KPiBTcGluIGZldyB0aW1lcyBiZWZvcmUgZ29pbmcgaW50byBzbGVl
cC4gV2l0aCB0aGlzIGFwcHJveGltYXRlbHkKPiBoYWxmIG9mIHRoZSB3YWl0X2ZvciBpbiBpbml0
IHBhdGggd2lsbCB0YWtlIHRoZSBmYXN0IHBhdGggd2l0aG91dAo+IHNsZWVwaW5nLgo+IAo+IFNp
Z25lZC1vZmYtYnk6IE1pa2EgS3VvcHBhbGEgPG1pa2Eua3VvcHBhbGFAaW50ZWwuY29tPgoKU29t
ZSBudW1iZXJzIG9uIGhvdyBtdWNoIHRpbWUgdGhpcyBzYXZlZCB3b3VsZCBiZSBuaWNlLgoKUmV2
aWV3ZWQtYnk6IERhbmllbCBWZXR0ZXIgPGRhbmllbC52ZXR0ZXJAZmZ3bGwuY2g+Cgo+IC0tLQo+
ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcnYuaCB8IDE0ICsrKysrKysrKystLS0tCj4g
IDEgZmlsZSBjaGFuZ2VkLCAxMCBpbnNlcnRpb25zKCspLCA0IGRlbGV0aW9ucygtKQo+IAo+IGRp
ZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcnYuaCBiL2RyaXZlcnMvZ3B1
L2RybS9pOTE1L2ludGVsX2Rydi5oCj4gaW5kZXggNDg4MTQxOTI5YTdhLi5jMjI1NjA1YzcyN2Mg
MTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHJ2LmgKPiArKysgYi9k
cml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcnYuaAo+IEBAIC0zOSw3ICszOSw3IEBACj4gICNp
bmNsdWRlIDxkcm0vZHJtX2F0b21pYy5oPgo+ICAKPiAgLyoqCj4gLSAqIF93YWl0X2Zvcl9tcyAt
IG1hZ2ljIChyZWdpc3Rlcikgd2FpdCBtYWNybwo+ICsgKiBfX3dhaXRfZm9yX21zIC0gbWFnaWMg
KHJlZ2lzdGVyKSB3YWl0IG1hY3JvCj4gICAqCj4gICAqIERvZXMgdGhlIHJpZ2h0IHRoaW5nIGZv
ciBtb2Rlc2V0IHBhdGhzIHdoZW4gcnVuIHVuZGVyIGtkZ2Igb3Igc2ltaWxhciBhdG9taWMKPiAg
ICogY29udGV4dHMuIE5vdGUgdGhhdCBpdCdzIGltcG9ydGFudCB0aGF0IHdlIGNoZWNrIHRoZSBj
b25kaXRpb24gYWdhaW4gYWZ0ZXIKPiBAQCAtNTAsMTcgKzUwLDIyIEBACj4gICAqIGRybV9jYW5f
c2xlZXAoKSBjYW4gYmUgcmVtb3ZlZCBhbmQgaW5fYXRvbWljKCkvIWluX2F0b21pYygpIGFzc2Vy
dHMKPiAgICogYWRkZWQuCj4gICAqLwo+IC0jZGVmaW5lIF93YWl0X2Zvcl9tcyhDT05ELCBUSU1F
T1VUX01TLCBTTEVFUF9VUykgKHsgXAo+ICsjZGVmaW5lIF9fd2FpdF9mb3JfbXMoQ09ORCwgVElN
RU9VVF9NUywgU0xFRVBfVVMsIFNQSU5fQ09VTlQpICh7CVwKPiAgCWNvbnN0IHVuc2lnbmVkIGxv
bmcgdGltZW91dF9fID0JCQkJCVwKPiAgCQlqaWZmaWVzICsgbXNlY3NfdG9famlmZmllcyhUSU1F
T1VUX01TKSArIDE7CQlcCj4gKwl1bnNpZ25lZCBpbnQgY19fID0gMDsJCQkJCQlcCj4gIAlpbnQg
cmV0X18gPSAwOwkJCQkJCQlcCj4gKwkJCQkJCQkJCVwKPiAgCXdoaWxlICghKENPTkQpKSB7CQkJ
CQkJXAo+ICAJCWlmICh0aW1lX2FmdGVyKGppZmZpZXMsIHRpbWVvdXRfXykpIHsJCQlcCj4gIAkJ
CWlmICghKENPTkQpKQkJCQkJXAo+ICAJCQkJcmV0X18gPSAtRVRJTUVET1VUOwkJCVwKPiAgCQkJ
YnJlYWs7CQkJCQkJXAo+ICAJCX0JCQkJCQkJXAo+IC0JCWlmICgoU0xFRVBfVVMpICYmIGRybV9j
YW5fc2xlZXAoKSkgewkJCVwKPiArCQkJCQkJCQkJXAo+ICsJCWlmICgrK2NfXyA+IChTUElOX0NP
VU5UKSAmJgkJCQlcCj4gKwkJICAgIChTTEVFUF9VUykgJiYJCQkJCVwKPiArCQkgICAgZHJtX2Nh
bl9zbGVlcCgpKSB7CQkJCQlcCj4gIAkJCXVzbGVlcF9yYW5nZSgoU0xFRVBfVVMpLCAoU0xFRVBf
VVMpICogMik7CVwKPiAgCQl9IGVsc2UgewkJCQkJCVwKPiAgCQkJY3B1X3JlbGF4KCk7CQkJCQlc
Cj4gQEAgLTY5LDcgKzc0LDggQEAKPiAgCXJldF9fOwkJCQkJCQkJXAo+ICB9KQo+ICAKPiAtI2Rl
ZmluZSB3YWl0X2ZvcihDT05ELCBNUykJIF93YWl0X2Zvcl9tcygoQ09ORCksIChNUyksIDEgKiBV
U0VDX1BFUl9NU0VDKQo+ICsjZGVmaW5lIHdhaXRfZm9yKENPTkQsIE1TKSAgX193YWl0X2Zvcl9t
cygoQ09ORCksIChNUyksIDEgKiBVU0VDX1BFUl9NU0VDLCA1KQo+ICsjZGVmaW5lIF93YWl0X2Zv
cl9tcyhDT05ELCBNUywgVVMpICBfX3dhaXRfZm9yX21zKChDT05EKSwgKE1TKSwgKFVTKSwgNSkK
PiAgCj4gIC8qIElmIENPTkZJR19QUkVFTVBUX0NPVU5UIGlzIGRpc2FibGVkLCBpbl9hdG9taWMo
KSBhbHdheXMgcmVwb3J0cyBmYWxzZS4gKi8KPiAgI2lmIGRlZmluZWQoQ09ORklHX0RSTV9JOTE1
X0RFQlVHKSAmJiBkZWZpbmVkKENPTkZJR19QUkVFTVBUX0NPVU5UKQo+IC0tIAo+IDIuNS4wCj4g
Cj4gX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KPiBJbnRl
bC1nZnggbWFpbGluZyBsaXN0Cj4gSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwo+IGh0
dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cgot
LSAKRGFuaWVsIFZldHRlcgpTb2Z0d2FyZSBFbmdpbmVlciwgSW50ZWwgQ29ycG9yYXRpb24KaHR0
cDovL2Jsb2cuZmZ3bGwuY2gKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f
X19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0
b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50
ZWwtZ2Z4Cg==