From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH 06/18] drm/i915: Defer default hardware context initialisation until first open Date: Tue, 31 Mar 2015 15:11:38 +0200 Message-ID: <20150331131138.GI6354@phenom.ffwll.local> References: <1427398885-31988-1-git-send-email-yu.dai@intel.com> <1427398885-31988-7-git-send-email-yu.dai@intel.com> <20150327084527.GI23521@phenom.ffwll.local> <55199FF7.8030100@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-wg0-f53.google.com (mail-wg0-f53.google.com [74.125.82.53]) by gabe.freedesktop.org (Postfix) with ESMTP id 205B46E385 for ; Tue, 31 Mar 2015 06:09:50 -0700 (PDT) Received: by wgra20 with SMTP id a20so18542840wgr.3 for ; Tue, 31 Mar 2015 06:09:49 -0700 (PDT) Content-Disposition: inline In-Reply-To: <55199FF7.8030100@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Yu Dai Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gTW9uLCBNYXIgMzAsIDIwMTUgYXQgMTI6MTE6NTFQTSAtMDcwMCwgWXUgRGFpIHdyb3RlOgo+ IAo+IAo+IE9uIDAzLzI3LzIwMTUgMDE6NDUgQU0sIERhbmllbCBWZXR0ZXIgd3JvdGU6Cj4gPk9u IFRodSwgTWFyIDI2LCAyMDE1IGF0IDEyOjQxOjEzUE0gLTA3MDAsIHl1LmRhaUBpbnRlbC5jb20g d3JvdGU6Cj4gPj4gRnJvbTogRGF2ZSBHb3Jkb24gPGRhdmlkLnMuZ29yZG9uQGludGVsLmNvbT4K PiA+Pgo+ID4+IEluIG9yZGVyIHRvIGZ1bGx5IGluaXRpYWxpc2UgdGhlIGRlZmF1bHQgY29udGV4 dHMsIHdlIGhhdmUgdG8gZXhlY3V0ZQo+ID4+IGJhdGNoYnVmZmVyIGNvbW1hbmRzIG9uIHRoZSBH UFUgZW5naW5lcy4gQnV0IHdlIGNhbid0IGRvIHRoYXQgdW50aWwgYW55Cj4gPj4gcmVxdWlyZWQg ZmlybXdhcmUgaGFzIGJlZW4gbG9hZGVkLCB3aGljaCBtYXkgbm90IGJlIHBvc3NpYmxlIGR1cmlu Zwo+ID4+IGRyaXZlciBsb2FkLCBiZWNhdXNlIHRoZSBmaWxlc3lzdGVtKHMpIGNvbnRhaW5pbmcg dGhlIGZpcm13YXJlIG1heSBub3QKPiA+PiBiZSBtb3VudGVkIHVudGlsIGxhdGVyLgo+ID4+Cj4g Pj4gVGhlcmVmb3JlLCB3ZSBub3cgYWxsb3cgdGhlIGZpcnN0IGNhbGwgdG8gdGhlIGZpcm13YXJl LWxvYWRpbmcgY29kZSB0bwo+ID4+IHJldHVybiAtRUFHQUlOIHRvIGluZGljYXRlIHRoYXQgaXQn cyBub3QgeWV0IHJlYWR5LCBhbmQgdGhhdCBpdCBzaG91bGQKPiA+PiBiZSByZXRyaWVkIHdoZW4g dGhlIGRldmljZSBpcyBmaXJzdCBvcGVuZWQgZnJvbSB1c2VyIGNvZGUsIGJ5IHdoaWNoCj4gPj4g dGltZSB3ZSBleHBlY3QgdGhhdCBhbGwgcmVxdWlyZWQgZmlsZXN5c3RlbXMgd2lsbCBoYXZlIGJl ZW4gbW91bnRlZC4KPiA+PiBUaGUgbGF0ZS1yZXRyeSBjb2RlIHdpbGwgdGhlbiByZS1hdHRlbXB0 IHRvIGxvYWQgdGhlIGZpcm13YXJlIGlmIHRoZQo+ID4+IGVhcmx5IGF0dGVtcHQgZmFpbGVkLgo+ ID4KPiA+V2UndmUgdHJpZWQgYSBzaW1pbGFyIGFwcHJvYWNoIGEgd2hpbGUgYmFjayBhbmQgaXQg ZG9lc24ndCB3b3JrIHdlbGwgaW4KPiA+Y29uanVuY3Rpb24gd2l0aCBycHMgLSB0aGUgaHcgdGVu ZHMgdG8gZmFsbCBvdmVyIGlmIHRoZSBjb250ZXh0IHN0YXRlCj4gPmlzbid0IHByb3Blcmx5IGlu aXRpYWxpemVkIHdoZW4gZ29pbmcgaW50byByYzYuCj4gSSBiZWxpZXZlIHBhdGNoIDE4LzE4IG9m IHRoaXMgc2VyaWVzIGlzIHRvIG5vdGlmeSBHdUMgd2hlbiBSQzYgaXMgb24gYW5kCj4gb2ZmLiBJ IGRvbid0IGtub3cgbXVjaCBkZXRhaWxzIG9mIGltcGxlbWVudGF0aW9uIGluc2lkZSBmaXJtd2Fy ZSwgYnV0IEkKPiBiZWxpZXZlIEd1QyB3aWxsIHRha2UgY2FyZSBvZiBpdCBwcm9wZXJseS4KPiA+ V2h5IGV4YWN0bHkgY2FuJ3Qgd2UgbG9hZCB0aGF0IGZpcm13YXJlIHJpZ2h0IGF0IGJvb3QtdXAs IG9yIGF0IGxlYXN0Cj4gPnN0YWxsIGNvcnJlY3RseSB1bnRpbCBpdCdzIHRoZXJlPwo+IERhdmUg Ry4gd3JvdGUgYSB2ZXJ5IGdvb2QgY29tbWVudCBhYm91dCB0aGlzLiBTb3JyeSBJIGxvc3QgaXQg ZHVyaW5nIHBhdGNoCj4gc3F1YXNoaW5nLiBIZXJlIGlzIGEgY29weSBvZiBpdC4gSSB3aWxsIGFt ZW5kIHRoZSBjb21tZW50IGluIG5leHQgdmVyc2lvbi4KPiAKPiBUaGUgR3VDIGxvYWRlciB1c2Vz IGFuIGFzeW5jaHJvbm91cyB0aHJlYWQgdG8gZmV0Y2ggdGhlIGZpcm13YXJlIGltYWdlCj4gKGFr YSAiYmluYXJ5IGJsb2IiKSBmcm9tIGEgZmlsZS4gVGhpcyB0aHJlYWQgaGFzIHRoZW4gaGFkIHRv IHdhaXQgZm9yCj4gdGhlIG1haW5saW5lIGRyaXZlciBsb2FkaW5nIGNvZGUgdG8gY29tcGxldGUg R0VNIGluaXRpYWxpc2F0aW9uIGJlZm9yZQo+IGl0IGNhbiBjb252ZXJ0IHRoZSBibG9iIGludG8g YSBHRU0gb2JqZWN0IGFuZCB0cmFuc2ZlciBpdCB0byB0aGUgR3VDJ3MKPiBtZW1vcnkuCj4gCj4g VW5mb3J0dW5hdGVseSwgd2l0aCB0aGlzIHNjaGVtZSwgdGhlIEd1QyBsb2FkaW5nIHdhcyBvY2N1 cnJpbmcqYWZ0ZXIqCj4gdGhlIGludGVybmFsbHktZ2VuZXJhdGVkIGJhdGNoZXMgdXNlZCB0byBp bml0aWFsaXNlIGNvbnRleHRzIGhhZCBhbHJlYWR5Cj4gYmVlbiBzdWJtaXR0ZWQgKHVzaW5nIGRp cmVjdCBhY2Nlc3MgdG8gdGhlIEVMU1AsIHNpbmNlIHRoZSBHdUMgd2Fzbid0Cj4gcmVhZHkpLgo+ IAo+IEluIGFkZGl0aW9uLCB0aGUgb25lLXdheSBzeW5jaHJvbmlzYXRpb24gbWVjaGFuaXNtIHJl c3VsdGVkIGluIHRoZQo+IGZpcm13YXJlIGltYWdlIGJlaW5nIHRyYW5zZmVlcmVkIHRvIHRoZSBH dUMgYXQgYW4gaW5kZXRlcm1pbmF0ZSB0aW1lCj4gKGp1c3QgInNvbWV0aW1lIiBhZnRlciB0aGUg bWFpbmxpbmUgdGhyZWFkIHJlbGVhc2VzIHRoZSBkZXZpY2Uncwo+IHN0cnVjdF9tdXRleCksIHdp dGggY29uc2VxdWVudCBjb25mdXNpb24uCj4gCj4gUmF0aGVyIHRoYW4gY29tcGxpY2F0ZSB0aGUg bG9hZGVyIGZ1cnRoZXIgYnkgYWRkaW5nIGEgc2Vjb25kIHN5bmMgcG9pbnQKPiBhbmQgYXJyYW5n aW5nIHRoZSBoYW5kb3ZlciBvZiB0aGUgc3RydWN0X211dGV4IGZyb20gb25lIHRocmVhZCB0byB0 aGUKPiBvdGhlciwgdGhpcyBjb21taXQgcmV2ZXJzZXMgdGhlIHN5bmNocm9uaXNhdGlvbiBzbyB0 aGF0IHRoZSBtYWlubGluZQo+IHRocmVhZCB3YWl0cyBmb3IgdGhlIGFzeW5jaHJvbm91cyB0aHJl YWQgcmF0aGVyIHRoYW4gdmljZSB2ZXJzYS4gVGhlCj4gZmlybXdhcmUgbG9hZGVyIG5vdyBvbmx5 IGhhcyB0byBzYXZlIHRoZSByZWZlcmVuY2UgdG8gdGhlIGJsb2IgYW5kCj4gc2lnbmFsIGEgY29t cGxldGlvbjsgdGhlIG1haW5saW5lIHRocmVhZCBjYW4gdGhlbiBjb250aW51ZSB3aXRoIHRoZSBy ZXN0Cj4gb2YgdGhlIGxvYWRpbmcgcHJvY2VzcyB3aGVuIGl0IGNhdGNoZXMgdXAuIFRoZSByZXN1 bHQgaXMgYSBtdWNoIHNpbXBsZXIKPiAoYW5kIGZ1bGx5IGRldGVybWluaXN0aWMpIHByb2Nlc3Mg Zm9yIGxvYWRpbmcgdGhlIEd1QyBmaXJtd2FyZS4KClN0aWxsIHNvdW5kcyByYXRoZXIgZnJhZ2ls ZS4gQ2hyaXMgc3VnZ2VzdGlvbiB0byBqdXN0IG5vdCBzdWJtaXQgYW55dGhpbmcKdW50aWwgZ3Vj IGZpcm13YXJlIGlzIGxvYWRlZCBhbmQgdGhlbiBraWNrIG9mIGEgc3VibWlzc2lvbiBvZiBhbGwK b3V0c3RhbmRpbmcgcmVxdWVzdHMgc291bmRzIG11Y2ggYmV0dGVyLiBUaGF0IHdvdWxkIG5hdHVy YWxseSBpbnNlcnQKbWluaW1hbCBhbW91bnRzIG9mIHN5bmMgcG9pbnRzIGV2ZXJ5d2hlcmUgeW91 IG5lZWQgdGhlbSB1c2luZyB0aGUgbm9ybWFsCkdFTSBleGVjdXRpb24gdHJhY2tpbmcuCgpUaGUg b25seSBvdGhlciBjaGFuZ2Ugd2UnZCBuZWVkIChJIHRoaW5rIGF0IGxlYXN0LCBkaWRuJ3QgY2hl Y2sgZGV0YWlscykKaXMgdG8gd2FpdCBmb3IgdGhlIGh3IGNvbnRleHQgaW5pdCBhc3luY2hyb25v dXNseSBpbiB0aGUgcnBzIHdvcmtlci4KLURhbmllbAotLSAKRGFuaWVsIFZldHRlcgpTb2Z0d2Fy ZSBFbmdpbmVlciwgSW50ZWwgQ29ycG9yYXRpb24KaHR0cDovL2Jsb2cuZmZ3bGwuY2gKX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxp bmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVl ZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK