From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tvrtko Ursulin Subject: [PATCH] drm/i915: Mitigate retirement starvation a bit Date: Thu, 4 Feb 2016 12:25:24 +0000 Message-ID: <1454588724-34816-1-git-send-email-tvrtko.ursulin@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTP id DA07C6E12E for ; Thu, 4 Feb 2016 04:25:30 -0800 (PST) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org RnJvbTogVHZydGtvIFVyc3VsaW4gPHR2cnRrby51cnN1bGluQGludGVsLmNvbT4KCkluIGV4ZWNs aXN0cyBtb2RlIGludGVybmFsIGhvdXNlIGtlZXBpbmcgb2YgdGhlIGRpc2NhcmRlZApyZXF1ZXN0 cyAoYW5kIHNvIGNvbnRleHRzIGFuZCBWTUFzKSByZWxpZXMgc29sZWx5IG9uIHRoZSByZXRpcmUK d29ya2VyLCB3aGljaCBjYW4gYmUgcHJldmVudGVkIGZyb20gcnVubmluZyBieSBqdXN0IGJlaW5n CnVubHVja3kgd2hlbiBidXN5IGNsaWVudHMgYXJlIGhhbW1lcmluZyBvbiB0aGUgYmlnIGxvY2su CgpQcmltZSBleGFtcGxlIGlzIHRoZSBnZW1fY2xvc2VfcmFjZSBJR1QsIHdoaWNoIGR1ZSB0byB0 aGlzCmVmZmVjdCBjYXVzZXMgaW50ZXJuYWwgbGlzdHMgdG8gZ3JvdyB0byBlcGljIHByb3BvcnRp b25zLCB3aXRoCmEgY29uc2VxdWVjZSBvZiBvYmplY3QgVk1BIHRyYXZlcnNhbCB0byBncm93aW5n IGV4cG9uZW50aWFsbHkKYW5kIHJlc3VsdGluZyBpbiB0ZW5zIG9mIG1pbnV0ZXMgdGVzdCBydW50 aW1lLiBNZW1vcnkgdXNlIGlzCmFsc28gdmVyeSBoaWdoIGFuZCBhIGxpbWl0aW5nIGZhY3RvciBv biBzb21lIHBsYXRmb3Jtcy4KClNpbmNlIHdlIGRvIG5vdCB3YW50IHRvIHJ1biB0aGlzIGludGVy bmFsIGhvdXNlIGtlZXBpbmcgbW9yZQpmcmVxdWVudGx5LCBkdWUgY29uY2VybnMgdGhhdCBpdCBt YXkgYWZmZWN0IHBlcmZvcm1hbmNlLCBhbmQKdGhlIHNjZW5hcmlvIGJlaW5nIHN0YXRpc3RpY2Fs bHkgbm90IHZlcnkgbGlrZWx5IGluIHJlYWwKd29ya2xvYWRzLCBvbmUgcG9zc2libGUgd29ya2Fy b3VuZCBpcyB0byBydW4gaXQgd2hlbiBuZXcKY2xpZW50IGhhbmRsZXMgYXJlIG9wZW5lZC4KClRo aXMgd2lsbCBzb2x2ZSB0aGUgaXNzdWVzIHdpdGggdGhpcyBwYXJ0aWN1bGFyIHRlc3QgY2FzZSwK bWFraW5nIGl0IGNvbXBsZXRlIGluIHRlbnMgb2Ygc2Vjb25kcyBpbnN0ZWFkIG9mIHRlbnMgb2YK bWludXRlcywgYW5kIHdpbGwgbm90IGFkZCBhbnkgcnVuLXRpbWUgcGVuYWx0eSB0byBydW5uaW5n CmNsaWVudHMuCgpJdCBjYW4gb25seSBzbGlnaHRseSBzbG93IGRvd24gbmV3IGNsaWVudCBzdGFy dHVwLCBidXQgb24gYQpyZWFsaXN0aWNhbHkgbG9hZGVkIHN5c3RlbSB3ZSBhcmUgZXhwZWN0aW5n IHRoaXMgdG8gYmUgbm90CnNpZ25pZmljYW50LiBFdmVuIHdpdGggaGVhdnkgcmVuZGVyaW5nIGlu IHByb2dyZXNzIHdlIGNhbiBoYXZlCnBlcmhhcHMgdXAgdG8gc2V2ZXJhbCB0aG91c2FuZHMgb2Yg cmVxdWVzdHMgcGVuZGluZyByZXRpcmVtZW50LAp3aGljaCwgd2l0aCBhIHR5cGljYWwgcmV0aXJl bWVudCBjb3N0IG9mIDgwbnMgdG8gMXVzIHBlcgpyZXF1ZXN0LCBpcyBub3Qgc2lnbmlmaWNhbnQu CgpTaWduZWQtb2ZmLWJ5OiBUdnJ0a28gVXJzdWxpbiA8dHZydGtvLnVyc3VsaW5AaW50ZWwuY29t PgpUZXN0Y2FzZTogaWd0L2dlbV9jbG9zZV9yYWNlL2dlbS1jbG9zZS1yYWNlCkNjOiBDaHJpcyBX aWxzb24gPGNocmlzQGNocmlzLXdpbHNvbi5jby51az4KLS0tCiBkcml2ZXJzL2dwdS9kcm0vaTkx NS9pOTE1X2dlbS5jIHwgNCArKysrCiAxIGZpbGUgY2hhbmdlZCwgNCBpbnNlcnRpb25zKCspCgpk aWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYyBiL2RyaXZlcnMvZ3B1 L2RybS9pOTE1L2k5MTVfZ2VtLmMKaW5kZXggZDQ2YTA0NjJjNzY1Li5mMDI5OTFkMjgwNDggMTAw NjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtLmMKKysrIGIvZHJpdmVycy9n cHUvZHJtL2k5MTUvaTkxNV9nZW0uYwpAQCAtNTE2Miw2ICs1MTYyLDEwIEBAIGludCBpOTE1X2dl bV9vcGVuKHN0cnVjdCBkcm1fZGV2aWNlICpkZXYsIHN0cnVjdCBkcm1fZmlsZSAqZmlsZSkKIAlp ZiAocmV0KQogCQlrZnJlZShmaWxlX3ByaXYpOwogCisJbXV0ZXhfbG9jaygmZGV2LT5zdHJ1Y3Rf bXV0ZXgpOworCWk5MTVfZ2VtX3JldGlyZV9yZXF1ZXN0cyhkZXYpOworCW11dGV4X3VubG9jaygm ZGV2LT5zdHJ1Y3RfbXV0ZXgpOworCiAJcmV0dXJuIHJldDsKIH0KIAotLSAKMS45LjEKCl9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWls aW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMuZnJl ZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==