From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH 1/3] drm/i915: Fixup intel_write_status_page() for old CPUs without clflush Date: Fri, 24 Mar 2017 22:53:18 +0200 Message-ID: <20170324205318.GG30290@intel.com> References: <20170324163540.31981-1-chris@chris-wilson.co.uk> <20170324190513.GF30290@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id 93C386EC93 for ; Fri, 24 Mar 2017 20:53:21 +0000 (UTC) Content-Disposition: inline In-Reply-To: <20170324190513.GF30290@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson Cc: intel-gfx@lists.freedesktop.org, Mika Kuoppala List-Id: intel-gfx@lists.freedesktop.org T24gRnJpLCBNYXIgMjQsIDIwMTcgYXQgMDk6MDU6MTNQTSArMDIwMCwgVmlsbGUgU3lyasOkbMOk IHdyb3RlOgo+IE9uIEZyaSwgTWFyIDI0LCAyMDE3IGF0IDA0OjM1OjM4UE0gKzAwMDAsIENocmlz IFdpbHNvbiB3cm90ZToKPiA+IE5vdGUgYWxsIG9mIG91ciB0YXJnZXQgcGxhdGZvcm1zIGhhdmUg Y2xmbHVzaC4gRm9yIHRob3NlIHdpdGhvdXQsIGp1c3QKPiA+IGFzc3VtZSB0aGUgc3RhdHVzIHBh Z2UgaXMgc3VmZmljaWVudGx5IGNvaGVyZW50IHRoYXQgd2UgZG8gbm90IG5lZWQgb3VyCj4gPiBw YXJhbm9pYS4KPiA+IAo+ID4gUmVwb3J0ZWQtYnk6IFZpbGxlIFN5cmrDpGzDpCA8dmlsbGUuc3ly amFsYUBsaW51eC5pbnRlbC5jb20+Cj4gPiBGaXhlczogMTRhNmJiZjllNTM1ICgiZHJtL2k5MTU6 IFJlcGxhY2UgaXJxX3NlcW5vX2JhcnJpZXIgb24gaHdzIHdyaXRlIHdpdGggYSBjbGZsdXNoIikK PiA+IFNpZ25lZC1vZmYtYnk6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVr Pgo+ID4gQ2M6IE1pa2EgS3VvcHBhbGEgPG1pa2Eua3VvcHBhbGFAaW50ZWwuY29tPgo+ID4gQ2M6 IFZpbGxlIFN5cmrDpGzDpCA8dmlsbGUuc3lyamFsYUBsaW51eC5pbnRlbC5jb20+Cj4gPiAtLS0K PiA+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9yaW5nYnVmZmVyLmggfCAyMiArKysrKysr KysrKysrKystLS0tLS0tCj4gPiAgMSBmaWxlIGNoYW5nZWQsIDE1IGluc2VydGlvbnMoKyksIDcg ZGVsZXRpb25zKC0pCj4gPiAKPiA+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9p bnRlbF9yaW5nYnVmZmVyLmggYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9yaW5nYnVmZmVy LmgKPiA+IGluZGV4IDJlY2I0MTc4OGZiNi4uYjVjZTY2OTJlZDhhIDEwMDY0NAo+ID4gLS0tIGEv ZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcmluZ2J1ZmZlci5oCj4gPiArKysgYi9kcml2ZXJz L2dwdS9kcm0vaTkxNS9pbnRlbF9yaW5nYnVmZmVyLmgKPiA+IEBAIC00NTQsMTQgKzQ1NCwyMiBA QCBpbnRlbF9yZWFkX3N0YXR1c19wYWdlKHN0cnVjdCBpbnRlbF9lbmdpbmVfY3MgKmVuZ2luZSwg aW50IHJlZykKPiA+ICB9Cj4gPiAgCj4gPiAgc3RhdGljIGlubGluZSB2b2lkCj4gPiAtaW50ZWxf d3JpdGVfc3RhdHVzX3BhZ2Uoc3RydWN0IGludGVsX2VuZ2luZV9jcyAqZW5naW5lLAo+ID4gLQkJ CWludCByZWcsIHUzMiB2YWx1ZSkKPiA+ICtpbnRlbF93cml0ZV9zdGF0dXNfcGFnZShzdHJ1Y3Qg aW50ZWxfZW5naW5lX2NzICplbmdpbmUsIGludCByZWcsIHUzMiB2YWx1ZSkKPiA+ICB7Cj4gPiAt CW1iKCk7Cj4gPiAtCWNsZmx1c2goJmVuZ2luZS0+c3RhdHVzX3BhZ2UucGFnZV9hZGRyW3JlZ10p Owo+ID4gLQllbmdpbmUtPnN0YXR1c19wYWdlLnBhZ2VfYWRkcltyZWddID0gdmFsdWU7Cj4gPiAt CWNsZmx1c2goJmVuZ2luZS0+c3RhdHVzX3BhZ2UucGFnZV9hZGRyW3JlZ10pOwo+ID4gLQltYigp Owo+ID4gKwkvKiBXcml0aW5nIGludG8gdGhlIHN0YXR1cyBwYWdlIHNob3VsZCBiZSBkb25lIHNw YXJpbmdseS4gU2luY2UKPiA+ICsJICogd2UgZG8gd2hlbiB3ZSBhcmUgdW5jZXJ0YWluIG9mIHRo ZSBkZXZpY2Ugc3RhdGUsIHdlIHRha2UgYSBiaXQKPiA+ICsJICogaWYgZXh0cmEgcGFyYW5vaWEg dG8gdHJ5IGFuZCBlbnN1cmUgdGhhdCB0aGUgSFdTIHRha2VzIHRoZSB2YWx1ZQo+ID4gKwkgKiB3 ZSBnaXZlIGFuZCB0aGF0IGl0IGRvZXNuJ3QgZW5kIHVwIHRyYXBwZWQgaW5zaWRlIHRoZSBDUFUh Cj4gPiArCSAqLwo+ID4gKwlpZiAoc3RhdGljX2NwdV9oYXMoWDg2X0ZFQVRVUkVfQ0xGTFVTSCkp IHsKPiA+ICsJCW1iKCk7Cj4gPiArCQljbGZsdXNoKCZlbmdpbmUtPnN0YXR1c19wYWdlLnBhZ2Vf YWRkcltyZWddKTsKPiA+ICsJCWVuZ2luZS0+c3RhdHVzX3BhZ2UucGFnZV9hZGRyW3JlZ10gPSB2 YWx1ZTsKPiA+ICsJCWNsZmx1c2goJmVuZ2luZS0+c3RhdHVzX3BhZ2UucGFnZV9hZGRyW3JlZ10p Owo+ID4gKwkJbWIoKTsKPiA+ICsJfSBlbHNlIHsKPiA+ICsJCVdSSVRFX09OQ0UoZW5naW5lLT5z dGF0dXNfcGFnZS5wYWdlX2FkZHJbcmVnXSwgdmFsdWUpOwo+ID4gKwl9Cj4gCj4gRml4ZXMgdGhl IGlsbGVnYWwgb3Bjb2RlIGV4cGxvc2lvbi4KPiBUZXN0ZWQtYnk6IFZpbGxlIFN5cmrDpGzDpCA8 dmlsbGUuc3lyamFsYUBsaW51eC5pbnRlbC5jb20+Cj4gCj4gVW5mb3J0dW5hdGVseSB0aGUgR1BV IHN0aWxsIGRpZXMgYXMgc29vbiBhcyBJIGZpcmUgdXAgZ2x4Z2VhcnMuIDQuOQo+IHNlZW1zIHRv IGJlIHdvcmtpbmcganVzdCBmaW5lLCBzbyBsb29rcyBsaWtlIGEga2VybmVsIHJlZ3Jlc3Npb24u CgpBbmQgYmlzZWN0ZWQgZG93biB0bwoKY29tbWl0IDk0NDM5N2YwNGYyNGVhZjA1MTI1ODk2ZGNi NjAxYzBlMWM5MTc4NzkKQXV0aG9yOiBDaHJpcyBXaWxzb24gPGNocmlzQGNocmlzLXdpbHNvbi5j by51az4KRGF0ZTogICBNb24gSmFuIDkgMTY6MTY6MTEgMjAxNyArMDAwMAoKICAgIGRybS9pOTE1 OiBTdG9yZSByZXF1aXJlZCBmZW5jZSBzaXplL2FsaWdubWVudCBmb3IgR0dUVCB2bWEKCgpEb2Vz bid0IHJldmVydCBjbGVhbmx5IHNvIGNhbid0IHRlbGwgd2hldGhlciB0aGVyZSBhcmUgb3RoZXIK aXNzdWVzIHBpbGVkIG9uIHRvcCBvciBub3QuCgotLSAKVmlsbGUgU3lyasOkbMOkCkludGVsIE9U QwpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1n ZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9s aXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK