From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joonas Lahtinen Subject: Re: [PATCH v2 5/5] drm/i915: Start writeback from the shrinker Date: Tue, 13 Jun 2017 17:07:04 +0300 Message-ID: <1497362824.5158.5.camel@linux.intel.com> References: <20170609110350.1767-1-chris@chris-wilson.co.uk> <20170609110350.1767-5-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id B15906E306 for ; Tue, 13 Jun 2017 14:07:08 +0000 (UTC) In-Reply-To: <20170609110350.1767-5-chris@chris-wilson.co.uk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson , intel-gfx@lists.freedesktop.org Cc: Daniel Vetter , Michal Hocko , Matthew Auld List-Id: intel-gfx@lists.freedesktop.org T24gcGUsIDIwMTctMDYtMDkgYXQgMTI6MDMgKzAxMDAsIENocmlzIFdpbHNvbiB3cm90ZToKPiBX aGVuIHdlIGFyZSBjYWxsZWQgdG8gcmVsaWV2ZSBtZW1wcmVzc3VlIHZpYSB0aGUgc2hyaW5rZXIs IHRoZSBvbmx5IHdheQo+IHdlIGNhbiBtYWtlIHByb2dyZXNzIGlzIGVpdGhlciBieSBkaXNjYXJk aW5nIHVud2FudGVkIHBhZ2VzICh0aG9zZQo+IG9iamVjdHMgdGhhdCB1c2Vyc3BhY2UgaGFzIG1h cmtlZCBNQURWX0RPTlRORUVEKSBvciBieSByZWNsYWltaW5nIHRoZQo+IGRpcnR5IG9iamVjdHMg dmlhIHN3YXAuIEFzIHdlIGtub3cgdGhhdCBpcyB0aGUgb25seSB3YXkgdG8gbWFrZSBmdXJ0aGVy Cj4gcHJvZ3Jlc3MsIHdlIGNhbiBpbml0aWF0ZSB0aGUgd3JpdGViYWNrIGFzIHdlIGludmFsaWRh dGUgdGhlIG9iamVjdHMuCj4gVGhpcyBtZWFucyB0aGUgb2JqZWN0cyB3ZSBwdXQgb250byB0aGUg aW5hY3RpdmUgYW5vbiBscnUgbGlzdCBhcmUKPiBhbHJlYWR5IG1hcmtlZCBmb3IgcmVjbGFpbSt3 cml0ZWJhY2sgYW5kIHNvIHdpbGwgdHJpZ2dlciBhIHdhaXQgdXBvbiB0aGUKPiB3cml0ZWJhY2sg aW5zaWRlIGRpcmVjdCByZWNsYWltLCBncmVhdGx5IGltcHJvdmluZyB0aGUgc3VjY2VzcyByYXRl IG9mCj4gZGlyZWN0IHJlY2xhaW0gb24gaTkxNSBvYmplY3RzLgo+IAo+IFRoZSBjb3JvbGxhcnkg aXMgdGhhdCB3ZSBtYXkgc3RhcnQgYSBzbG93IHN3YXAgb24gb3Bwb3J0dW5pc3RpYwo+IG1lbXBy ZXNzdXJlIGZyb20gdGhlIGxpa2VzIG9mIHRoZSBjb21wYWN0aW9uICsgbWlncmF0aW9uIGt0aHJl YWRzLiBUaGlzCj4gaXMgbGltaXRlZCBieSB0aG9zZSB0aHJlYWRzIG9ubHkgYmVpbmcgYWxsb3dl ZCB0byBzaHJpbmsgaWRsZSBwYWdlcywgYnV0Cj4gYWxzbyB0aGF0IGlmIHdlIHJlYWN0aXZhdGUg dGhlIHBhZ2UgYmVmb3JlIGl0IGlzIHN3YXBwZWQgb3V0IGJ5IGdwdQo+IGFjdGl2aXR5LCB3ZSBv bmx5IHBhZ2UgdGhlIGNvc3Qgb2YgcmVwaW5uaW5nIHRoZSBwYWdlLiBUaGUgY29zdCBpcyBtb3N0 Cj4gZmVsdCB3aGVuIGFuIG9iamVjdCBpcyByZXVzZWQgYWZ0ZXIgbWVtcHJlc3N1cmUsIHdoaWNo IGhvcGVmdWxseQo+IGV4Y2x1ZGVzIHRoZSBsYXRlbmN5IHNlbnNpdGl2ZSB0YXNrcyAoYXMgd2Ug YXJlIGp1c3QgZXh0ZW5kaW5nIHRoZQo+IGltcGFjdCBvZiBzd2FwIHRocmFzaGluZyB0byB0aGVt KS4KPiAKPiBTaWduZWQtb2ZmLWJ5OiBDaHJpcyBXaWxzb24gPGNocmlzQGNocmlzLXdpbHNvbi5j by51az4KPiBDYzogTWlrYSBLdW9wcGFsYSA8bWlrYS5rdW9wcGFsYUBsaW51eC5pbnRlbC5jb20+ Cj4gQ2M6IEpvb25hcyBMYWh0aW5lbiA8am9vbmFzLmxhaHRpbmVuQGxpbnV4LmludGVsLmNvbT4K PiBDYzogVHZydGtvIFVyc3VsaW4gPHR2cnRrby51cnN1bGluQGludGVsLmNvbT4KPiBDYzogTWF0 dGhldyBBdWxkIDxtYXR0aGV3LmF1bGRAaW50ZWwuY29tPgo+IENjOiBEYW5pZWwgVmV0dGVyIDxk YW5pZWwudmV0dGVyQGZmd2xsLmNoPgo+IENjOiBNaWNoYWwgSG9ja28gPG1ob2Nrb0BzdXNlLmNv bT4KCjxTTklQPgoKPiArc3RhdGljIHZvaWQgX19zdGFydF93cml0ZWJhY2soc3RydWN0IGRybV9p OTE1X2dlbV9vYmplY3QgKm9iaikKPiArewoKPFNOSVA+Cgo+ICsJLyogRm9yY2UgYW55IG90aGVy IHVzZXJzIG9mIHRoaXMgb2JqZWN0IHRvIHJlZmF1bHQgKi8KPiArCW1hcHBpbmcgPSBvYmotPmJh c2UuZmlscC0+Zl9tYXBwaW5nOwo+ICsJdW5tYXBfbWFwcGluZ19yYW5nZShtYXBwaW5nLCAwLCAo bG9mZl90KS0xLCAwKTsKPiArCj4gKwkvKiBCZWdpbiB3cml0ZWJhY2sgb24gZWFjaCBkaXJ0eSBw YWdlICovCj4gKwlmb3IgKGkgPSAwOyBpIDwgb2JqLT5iYXNlLnNpemUgPj4gUEFHRV9TSElGVDsg aSsrKSB7Cj4gKwkJc3RydWN0IHBhZ2UgKnBhZ2U7Cj4gKwo+ICsJCXBhZ2UgPSBmaW5kX2xvY2tf ZW50cnkobWFwcGluZywgaSk7Cj4gKwkJaWYgKCFwYWdlIHx8IHJhZGl4X3RyZWVfZXhjZXB0aW9u YWxfZW50cnkocGFnZSkpCj4gKwkJCWNvbnRpbnVlOwo+ICsKPiArCQlpZiAoIXBhZ2VfbWFwcGVk KHBhZ2UpICYmIGNsZWFyX3BhZ2VfZGlydHlfZm9yX2lvKHBhZ2UpKSB7Cj4gKwkJCWludCByZXQ7 Cj4gKwo+ICsJCQlTZXRQYWdlUmVjbGFpbShwYWdlKTsKPiArCQkJcmV0ID0gbWFwcGluZy0+YV9v cHMtPndyaXRlcGFnZShwYWdlLCAmd2JjKTsKPiArCQkJaWYgKCFQYWdlV3JpdGViYWNrKHBhZ2Up KQo+ICsJCQkJQ2xlYXJQYWdlUmVjbGFpbShwYWdlKTsKPiArCQkJaWYgKCFyZXQpCj4gKwkJCQln b3RvIHB1dDsKPiArCQl9Cj4gKwkJdW5sb2NrX3BhZ2UocGFnZSk7Cj4gK3B1dDoKPiArCQlwdXRf cGFnZShwYWdlKTsKPiArCX0KCkFwYXJ0IGZyb20gdGhpcyBwYXJ0ICh3aGljaCBzaG91bGQgcHJv YmFibHkgYmUgYSBoZWxwZXIgZnVuY3Rpb24Kb3V0c2lkZSBvZiBpOTE1KSwgdGhlIGNvZGUgaXM6 CgpSZXZpZXdlZC1ieTogSm9vbmFzIExhaHRpbmVuIDxqb29uYXMubGFodGluZW5AbGludXguaW50 ZWwuY29tPgoKUmVnYXJkcywgSm9vbmFzCi0tIApKb29uYXMgTGFodGluZW4KT3BlbiBTb3VyY2Ug VGVjaG5vbG9neSBDZW50ZXIKSW50ZWwgQ29ycG9yYXRpb24KX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1n ZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21h aWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==