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 21:05:13 +0200 Message-ID: <20170324190513.GF30290@intel.com> References: <20170324163540.31981-1-chris@chris-wilson.co.uk> 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 338516EC69 for ; Fri, 24 Mar 2017 19:05:17 +0000 (UTC) Content-Disposition: inline In-Reply-To: <20170324163540.31981-1-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 Cc: intel-gfx@lists.freedesktop.org, Mika Kuoppala List-Id: intel-gfx@lists.freedesktop.org T24gRnJpLCBNYXIgMjQsIDIwMTcgYXQgMDQ6MzU6MzhQTSArMDAwMCwgQ2hyaXMgV2lsc29uIHdy b3RlOgo+IE5vdGUgYWxsIG9mIG91ciB0YXJnZXQgcGxhdGZvcm1zIGhhdmUgY2xmbHVzaC4gRm9y IHRob3NlIHdpdGhvdXQsIGp1c3QKPiBhc3N1bWUgdGhlIHN0YXR1cyBwYWdlIGlzIHN1ZmZpY2ll bnRseSBjb2hlcmVudCB0aGF0IHdlIGRvIG5vdCBuZWVkIG91cgo+IHBhcmFub2lhLgo+IAo+IFJl cG9ydGVkLWJ5OiBWaWxsZSBTeXJqw6Rsw6QgPHZpbGxlLnN5cmphbGFAbGludXguaW50ZWwuY29t Pgo+IEZpeGVzOiAxNGE2YmJmOWU1MzUgKCJkcm0vaTkxNTogUmVwbGFjZSBpcnFfc2Vxbm9fYmFy cmllciBvbiBod3Mgd3JpdGUgd2l0aCBhIGNsZmx1c2giKQo+IFNpZ25lZC1vZmYtYnk6IENocmlz IFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVrPgo+IENjOiBNaWthIEt1b3BwYWxhIDxt aWthLmt1b3BwYWxhQGludGVsLmNvbT4KPiBDYzogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJq YWxhQGxpbnV4LmludGVsLmNvbT4KPiAtLS0KPiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxf cmluZ2J1ZmZlci5oIHwgMjIgKysrKysrKysrKysrKysrLS0tLS0tLQo+ICAxIGZpbGUgY2hhbmdl ZCwgMTUgaW5zZXJ0aW9ucygrKSwgNyBkZWxldGlvbnMoLSkKPiAKPiBkaWZmIC0tZ2l0IGEvZHJp dmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcmluZ2J1ZmZlci5oIGIvZHJpdmVycy9ncHUvZHJtL2k5 MTUvaW50ZWxfcmluZ2J1ZmZlci5oCj4gaW5kZXggMmVjYjQxNzg4ZmI2Li5iNWNlNjY5MmVkOGEg MTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcmluZ2J1ZmZlci5oCj4g KysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcmluZ2J1ZmZlci5oCj4gQEAgLTQ1NCwx NCArNDU0LDIyIEBAIGludGVsX3JlYWRfc3RhdHVzX3BhZ2Uoc3RydWN0IGludGVsX2VuZ2luZV9j cyAqZW5naW5lLCBpbnQgcmVnKQo+ICB9Cj4gIAo+ICBzdGF0aWMgaW5saW5lIHZvaWQKPiAtaW50 ZWxfd3JpdGVfc3RhdHVzX3BhZ2Uoc3RydWN0IGludGVsX2VuZ2luZV9jcyAqZW5naW5lLAo+IC0J CQlpbnQgcmVnLCB1MzIgdmFsdWUpCj4gK2ludGVsX3dyaXRlX3N0YXR1c19wYWdlKHN0cnVjdCBp bnRlbF9lbmdpbmVfY3MgKmVuZ2luZSwgaW50IHJlZywgdTMyIHZhbHVlKQo+ICB7Cj4gLQltYigp Owo+IC0JY2xmbHVzaCgmZW5naW5lLT5zdGF0dXNfcGFnZS5wYWdlX2FkZHJbcmVnXSk7Cj4gLQll bmdpbmUtPnN0YXR1c19wYWdlLnBhZ2VfYWRkcltyZWddID0gdmFsdWU7Cj4gLQljbGZsdXNoKCZl bmdpbmUtPnN0YXR1c19wYWdlLnBhZ2VfYWRkcltyZWddKTsKPiAtCW1iKCk7Cj4gKwkvKiBXcml0 aW5nIGludG8gdGhlIHN0YXR1cyBwYWdlIHNob3VsZCBiZSBkb25lIHNwYXJpbmdseS4gU2luY2UK PiArCSAqIHdlIGRvIHdoZW4gd2UgYXJlIHVuY2VydGFpbiBvZiB0aGUgZGV2aWNlIHN0YXRlLCB3 ZSB0YWtlIGEgYml0Cj4gKwkgKiBpZiBleHRyYSBwYXJhbm9pYSB0byB0cnkgYW5kIGVuc3VyZSB0 aGF0IHRoZSBIV1MgdGFrZXMgdGhlIHZhbHVlCj4gKwkgKiB3ZSBnaXZlIGFuZCB0aGF0IGl0IGRv ZXNuJ3QgZW5kIHVwIHRyYXBwZWQgaW5zaWRlIHRoZSBDUFUhCj4gKwkgKi8KPiArCWlmIChzdGF0 aWNfY3B1X2hhcyhYODZfRkVBVFVSRV9DTEZMVVNIKSkgewo+ICsJCW1iKCk7Cj4gKwkJY2xmbHVz aCgmZW5naW5lLT5zdGF0dXNfcGFnZS5wYWdlX2FkZHJbcmVnXSk7Cj4gKwkJZW5naW5lLT5zdGF0 dXNfcGFnZS5wYWdlX2FkZHJbcmVnXSA9IHZhbHVlOwo+ICsJCWNsZmx1c2goJmVuZ2luZS0+c3Rh dHVzX3BhZ2UucGFnZV9hZGRyW3JlZ10pOwo+ICsJCW1iKCk7Cj4gKwl9IGVsc2Ugewo+ICsJCVdS SVRFX09OQ0UoZW5naW5lLT5zdGF0dXNfcGFnZS5wYWdlX2FkZHJbcmVnXSwgdmFsdWUpOwo+ICsJ fQoKRml4ZXMgdGhlIGlsbGVnYWwgb3Bjb2RlIGV4cGxvc2lvbi4KVGVzdGVkLWJ5OiBWaWxsZSBT eXJqw6Rsw6QgPHZpbGxlLnN5cmphbGFAbGludXguaW50ZWwuY29tPgoKVW5mb3J0dW5hdGVseSB0 aGUgR1BVIHN0aWxsIGRpZXMgYXMgc29vbiBhcyBJIGZpcmUgdXAgZ2x4Z2VhcnMuIDQuOQpzZWVt cyB0byBiZSB3b3JraW5nIGp1c3QgZmluZSwgc28gbG9va3MgbGlrZSBhIGtlcm5lbCByZWdyZXNz aW9uLgoKPiAgfQo+ICAKPiAgLyoKPiAtLSAKPiAyLjExLjAKCi0tIApWaWxsZSBTeXJqw6Rsw6QK SW50ZWwgT1RDCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f CkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpo dHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=