From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: Re: [PATCH v3 1/3] drm/i915: simplify allocation of driver-internal requests Date: Thu, 7 Jan 2016 16:56:39 +0000 Message-ID: <20160107165639.GS652@nuc-i3427.alporthouse.com> References: <1452162052-22573-1-git-send-email-david.s.gordon@intel.com> <1452162052-22573-2-git-send-email-david.s.gordon@intel.com> <20160107115846.GI652@nuc-i3427.alporthouse.com> <568E5B5F.8020109@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from fireflyinternet.com (mail.fireflyinternet.com [87.106.93.118]) by gabe.freedesktop.org (Postfix) with ESMTP id 4EEEA6E6C0 for ; Thu, 7 Jan 2016 08:56:47 -0800 (PST) Content-Disposition: inline In-Reply-To: <568E5B5F.8020109@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Dave Gordon Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gVGh1LCBKYW4gMDcsIDIwMTYgYXQgMTI6MzQ6MzlQTSArMDAwMCwgRGF2ZSBHb3Jkb24gd3Jv dGU6Cj4gT24gMDcvMDEvMTYgMTE6NTgsIENocmlzIFdpbHNvbiB3cm90ZToKPiA+T24gVGh1LCBK YW4gMDcsIDIwMTYgYXQgMTA6MjA6NTBBTSArMDAwMCwgRGF2ZSBHb3Jkb24gd3JvdGU6Cj4gPj5U aGVyZSBhcmUgYSBudW1iZXIgb2YgcGxhY2VzIHdoZXJlIHRoZSBkcml2ZXIgbmVlZHMgYSByZXF1 ZXN0LCBidXQgaXNuJ3QKPiA+Pndvcmtpbmcgb24gYmVoYWxmIG9mIGFueSBzcGVjaWZpYyB1c2Vy IG9yIGluIGEgc3BlY2lmaWMgY29udGV4dC4gQXQKPiA+PnByZXNlbnQsIHdlIGFzc29jaWF0ZSB0 aGVtIHdpdGggdGhlIHBlci1lbmdpbmUgZGVmYXVsdCBjb250ZXh0LiBBIGZ1dHVyZQo+ID4+cGF0 Y2ggd2lsbCBhYm9saXNoIHRob3NlIHBlci1lbmdpbmUgY29udGV4dCBwb2ludGVyczsgYnV0IHdl IGNhbiBhbHJlYWR5Cj4gPj5lbGltaW5hdGUgYSBsb3Qgb2YgdGhlIHJlZmVyZW5jZXMgdG8gdGhl bSwganVzdCBieSBtYWtpbmcgdGhlIGFsbG9jYXRvcgo+ID4+YWxsb3cgTlVMTCBhcyBhIHNob3J0 aGFuZCBmb3IgImFuIGFwcHJvcHJpYXRlIGNvbnRleHQgZm9yIHRoaXMgcmluZyIsCj4gPj53aGlj aCB3aWxsIG1lYW4gdGhhdCB0aGUgY2FsbGVycyBkb24ndCBuZWVkIHRvIGtub3cgYW55dGhpbmcg YWJvdXQgaG93Cj4gPj50aGUgImFwcHJvcHJpYXRlIGNvbnRleHQiIGlzIGZvdW5kIChlLmcuIHBl ci1yaW5nIHZzIHBlci1kZXZpY2UsIGV0YykuCj4gPj4KPiA+PlNvIHRoaXMgcGF0Y2ggcmVuYW1l cyB0aGUgZXhpc3RpbmcgaTkxNV9nZW1fcmVxdWVzdF9hbGxvYygpLCBhbmQgbWFrZXMKPiA+Pml0 IGxvY2FsIChzdGF0aWMgaW5saW5lKSwgYW5kIHJlcGxhY2VzIGl0IHdpdGggYSB3cmFwcGVyIHRo YXQgcHJvdmlkZXMKPiA+PmEgZGVmYXVsdCBpZiB0aGUgY29udGV4dCBpcyBOVUxMLCBhbmQgYWxz byBoYXMgYSBuaWNlciBjYWxsaW5nCj4gPj5jb252ZW50aW9uIChkb2Vzbid0IHJlcXVpcmUgYSBw b2ludGVyIHRvIGFuIG91dHB1dCBwYXJhbWV0ZXIpLiBUaGVuIHdlCj4gPj5jaGFuZ2UgYWxsIGNh bGxlcnMgdG8gdXNlIHRoZSBuZXcgY29udmVudGlvbjoKPiA+Pk9MRDoKPiA+PgllcnIgPSBpOTE1 X2dlbV9yZXF1ZXN0X2FsbG9jKHJpbmcsIHVzZXJfY3R4LCAmcmVxKTsKPiA+PglpZiAoZXJyKSAu Li4KPiA+Pk5FVzoKPiA+PglyZXEgPSBpOTE1X2dlbV9yZXF1ZXN0X2FsbG9jKHJpbmcsIHVzZXJf Y3R4KTsKPiA+PglpZiAoSVNfRVJSKHJlcSkpIC4uLgo+ID4+T0xEOgo+ID4+CWVyciA9IGk5MTVf Z2VtX3JlcXVlc3RfYWxsb2MocmluZywgcmluZy0+ZGVmYXVsdF9jb250ZXh0LCAmcmVxKTsKPiA+ PglpZiAoZXJyKSAuLi4KPiA+Pk5FVzoKPiA+PglyZXEgPSBpOTE1X2dlbV9yZXF1ZXN0X2FsbG9j KHJpbmcsIE5VTEwpOwo+ID4+CWlmIChJU19FUlIocmVxKSkgLi4uCj4gPgo+ID5OYWsuIFlvdSBo YXZlbid0IGZpeGVkIGk5MTVfZ2VtX3JlcXVlc3RfYWxsb2MoKSBhdCBhbGwuCj4gPgo+ID5odHRw Oi8vY2dpdC5mcmVlZGVza3RvcC5vcmcvfmlja2xlL2xpbnV4LTIuNi9jb21taXQvP2g9YnJlYWRj cnVtYnMmaWQ9ODJjNzJlMWEyYjQzODVmMGFiMDdkY2NlZTQ1YWNlZjM4MzAzZTk2Zgo+ID5pcyB0 aGUgcGF0Y2ggSSBoYXZlIGJlZW4gY2FycnlpbmcgZXZlciBzaW5jZS4KPiA+LUNocmlzCj4gCj4g SSB0aGluayB5b3UnbGwgZmluZCB0aGF0IHRoZSB2ZXJzaW9uIG9mIGk5MTVfZ2VtX3JlcXVlc3Rf YWxsb2MoKQo+IEkndmUgaW1wbGVtZW50ZWQgaXMgZXF1aXZhbGVudCB0byB5b3Vycywgd2l0aCB0 aGUgKmFkZGl0aW9uYWwqIChhbmQKPiBiZXR0ZXIpIHNlbWFudGljIG9mIG5vdCByZXF1aXJpbmcg dGhlIGNhbGxlciB0byBzcGVjaWZ5Cj4gKHJpbmctPmRlZmF1bHRfcGFyYW0pIGFzIHRoZSBjb250 ZXh0IHBhcmFtZXRlciAod2hpY2ggaXMgdGhlIG1haW4KPiBwb2ludCwgYXMgZmFyIGFzIEknbSBj b25jZXJuZWQ7IG1ha2luZyB0aGUgY2FsbGluZyBjb252ZW50aW9uIG5pY2VyCj4gd2FzIGp1c3Qg aW5jaWRlbnRhbCkuCgpOby4gU3BlY2lmeWluZyB0aGUgY29udGV4dCBpcyBjcnVjaWFsIHRvIHJl cXVlc3QgYWxsb2NhdGlvbi4gVGhlIGlzc3VlCmluIHRoZSBjdXJyZW50IGZ1bmN0aW9uIGNhbGwg Y2hhaW5zIGFyZSB0aGUgcmVxdWVzdHMgYXBwZWFyIG91dCBvZgpub3doZXJlIHJhdGhlciB0aGFu IGJlaW5nIGNyZWF0ZWQgd2l0aCBleHBsaWNpdCBjb250ZXh0LgoKSGlkaW5nIHRoZSBjb250ZXh0 IGlzIGJhZC4KLUNocmlzCgotLSAKQ2hyaXMgV2lsc29uLCBJbnRlbCBPcGVuIFNvdXJjZSBUZWNo bm9sb2d5IENlbnRyZQpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5v cmcKaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdm eAo=