From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH v5] drm/i915/skl: Implement the skl version of MMIO flips Date: Fri, 21 Nov 2014 18:52:04 +0100 Message-ID: <20141121175203.GV25711@phenom.ffwll.local> References: <20141120144552.GX10649@intel.com> <1416495496-15602-1-git-send-email-damien.lespiau@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-wg0-f41.google.com (mail-wg0-f41.google.com [74.125.82.41]) by gabe.freedesktop.org (Postfix) with ESMTP id C28D16E32B for ; Fri, 21 Nov 2014 09:56:55 -0800 (PST) Received: by mail-wg0-f41.google.com with SMTP id y19so7251032wgg.0 for ; Fri, 21 Nov 2014 09:56:49 -0800 (PST) Content-Disposition: inline In-Reply-To: <1416495496-15602-1-git-send-email-damien.lespiau@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Damien Lespiau Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gVGh1LCBOb3YgMjAsIDIwMTQgYXQgMDI6NTg6MTZQTSArMDAwMCwgRGFtaWVuIExlc3BpYXUg d3JvdGU6Cj4gQmVjYXVzZSB0aGUgcGxhbmUgcmVnaXN0ZXJzIGFyZSBkaWZmZXJlbnQgaW4gU2t5 bGFrZSB3ZSBuZWVkIHRvIGFkYXB0Cj4gdGhlIE1NSU8gY29kZSBhcyB3ZWxsLgo+IAo+IHYyOiBE b24ndCBpbnRyb2R1Y2UgeWV0IGFub3RoZXIgdmZ1bmMgd2hlbiB0aGUgZGlyZWN0aW9uIGlzIGRv Cj4gY29uc29saWRhdGUgdGhlIHBsYW5lIHVwZGF0ZXMgdG8gdXNlIHRoZSBzYW1lIGNvZGUgcGF0 aCAoRGFuaWVsKQo+IAo+IHYzOgo+ICAgLSBVc2UgZW51bSBwaXBlIGluc3RlYWQgb2YgaW50IChW aWxsZSkKPiAgIC0gQWxzbyB1cGRhdGUgUExBTkVfU1RSSURFIHdoZW4gdGhlIHRpbGluZyBoYXMg Y2hhbmdlZCAoVmlsbGUpCj4gICAtIFB1dCBpbnRlbF9tYXJrX3BhZ2VfZmxpcF9hY3RpdmUoKSBp biB0aGUgc2hhcmVkIGNvZGUgKERhbWllbikKPiAKPiB2NDoKPiAgIC0gUmVtb3ZlIHVudXNlZCB2 YXJpYWJsZQo+IAo+IHY1Ogo+ICAgLSBGaXggd2hpdGVzcGFjZSBWcyB0YWJzIChWaWxsZSkKPiAK PiBSZXZpZXdlZC1ieTogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVs LmNvbT4KPiBTaWduZWQtb2ZmLWJ5OiBEYW1pZW4gTGVzcGlhdSA8ZGFtaWVuLmxlc3BpYXVAaW50 ZWwuY29tPgoKUXVldWVkIGZvciAtbmV4dCwgdGhhbmtzIGZvciB0aGUgcGF0Y2guCi1EYW5pZWwK Cj4gLS0tCj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rpc3BsYXkuYyB8IDY0ICsrKysr KysrKysrKysrKysrKysrKysrKysrKysrKysrLS0tLQo+ICAxIGZpbGUgY2hhbmdlZCwgNTcgaW5z ZXJ0aW9ucygrKSwgNyBkZWxldGlvbnMoLSkKPiAKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUv ZHJtL2k5MTUvaW50ZWxfZGlzcGxheS5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZGlz cGxheS5jCj4gaW5kZXggYzBhZjRjNi4uMjExMjQzYiAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dw dS9kcm0vaTkxNS9pbnRlbF9kaXNwbGF5LmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9p bnRlbF9kaXNwbGF5LmMKPiBAQCAtOTQzNiwyMiArOTQzNiw1MCBAQCBzdGF0aWMgYm9vbCB1c2Vf bW1pb19mbGlwKHN0cnVjdCBpbnRlbF9lbmdpbmVfY3MgKnJpbmcsCj4gIAkJcmV0dXJuIHJpbmcg IT0gb2JqLT5yaW5nOwo+ICB9Cj4gIAo+IC1zdGF0aWMgdm9pZCBpbnRlbF9kb19tbWlvX2ZsaXAo c3RydWN0IGludGVsX2NydGMgKmludGVsX2NydGMpCj4gK3N0YXRpYyB2b2lkIHNrbF9kb19tbWlv X2ZsaXAoc3RydWN0IGludGVsX2NydGMgKmludGVsX2NydGMpCj4gK3sKPiArCXN0cnVjdCBkcm1f ZGV2aWNlICpkZXYgPSBpbnRlbF9jcnRjLT5iYXNlLmRldjsKPiArCXN0cnVjdCBkcm1faTkxNV9w cml2YXRlICpkZXZfcHJpdiA9IGRldi0+ZGV2X3ByaXZhdGU7Cj4gKwlzdHJ1Y3QgZHJtX2ZyYW1l YnVmZmVyICpmYiA9IGludGVsX2NydGMtPmJhc2UucHJpbWFyeS0+ZmI7Cj4gKwlzdHJ1Y3QgaW50 ZWxfZnJhbWVidWZmZXIgKmludGVsX2ZiID0gdG9faW50ZWxfZnJhbWVidWZmZXIoZmIpOwo+ICsJ c3RydWN0IGRybV9pOTE1X2dlbV9vYmplY3QgKm9iaiA9IGludGVsX2ZiLT5vYmo7Cj4gKwljb25z dCBlbnVtIHBpcGUgcGlwZSA9IGludGVsX2NydGMtPnBpcGU7Cj4gKwl1MzIgY3RsLCBzdHJpZGU7 Cj4gKwo+ICsJY3RsID0gSTkxNV9SRUFEKFBMQU5FX0NUTChwaXBlLCAwKSk7Cj4gKwljdGwgJj0g flBMQU5FX0NUTF9USUxFRF9NQVNLOwo+ICsJaWYgKG9iai0+dGlsaW5nX21vZGUgPT0gSTkxNV9U SUxJTkdfWCkKPiArCQljdGwgfD0gUExBTkVfQ1RMX1RJTEVEX1g7Cj4gKwo+ICsJLyoKPiArCSAq IFRoZSBzdHJpZGUgaXMgZWl0aGVyIGV4cHJlc3NlZCBhcyBhIG11bHRpcGxlIG9mIDY0IGJ5dGVz IGNodW5rcyBmb3IKPiArCSAqIGxpbmVhciBidWZmZXJzIG9yIGluIG51bWJlciBvZiB0aWxlcyBm b3IgdGlsZWQgYnVmZmVycy4KPiArCSAqLwo+ICsJc3RyaWRlID0gZmItPnBpdGNoZXNbMF0gPj4g NjsKPiArCWlmIChvYmotPnRpbGluZ19tb2RlID09IEk5MTVfVElMSU5HX1gpCj4gKwkJc3RyaWRl ID0gZmItPnBpdGNoZXNbMF0gPj4gOTsgLyogWCB0aWxlcyBhcmUgNTEyIGJ5dGVzIHdpZGUgKi8K PiArCj4gKwkvKgo+ICsJICogQm90aCBQTEFORV9DVEwgYW5kIFBMQU5FX1NUUklERSBhcmUgbm90 IHVwZGF0ZWQgb24gdmJsYW5rIGJ1dCBvbgo+ICsJICogUExBTkVfU1VSRiB1cGRhdGVzLCB0aGUg dXBkYXRlIGlzIHRoZW4gZ3VhcmFudGVlZCB0byBiZSBhdG9taWMuCj4gKwkgKi8KPiArCUk5MTVf V1JJVEUoUExBTkVfQ1RMKHBpcGUsIDApLCBjdGwpOwo+ICsJSTkxNV9XUklURShQTEFORV9TVFJJ REUocGlwZSwgMCksIHN0cmlkZSk7Cj4gKwo+ICsJSTkxNV9XUklURShQTEFORV9TVVJGKHBpcGUs IDApLCBpbnRlbF9jcnRjLT51bnBpbl93b3JrLT5ndHRfb2Zmc2V0KTsKPiArCVBPU1RJTkdfUkVB RChQTEFORV9TVVJGKHBpcGUsIDApKTsKPiArfQo+ICsKPiArc3RhdGljIHZvaWQgaWxrX2RvX21t aW9fZmxpcChzdHJ1Y3QgaW50ZWxfY3J0YyAqaW50ZWxfY3J0YykKPiAgewo+ICAJc3RydWN0IGRy bV9kZXZpY2UgKmRldiA9IGludGVsX2NydGMtPmJhc2UuZGV2Owo+ICAJc3RydWN0IGRybV9pOTE1 X3ByaXZhdGUgKmRldl9wcml2ID0gZGV2LT5kZXZfcHJpdmF0ZTsKPiAgCXN0cnVjdCBpbnRlbF9m cmFtZWJ1ZmZlciAqaW50ZWxfZmIgPQo+ICAJCXRvX2ludGVsX2ZyYW1lYnVmZmVyKGludGVsX2Ny dGMtPmJhc2UucHJpbWFyeS0+ZmIpOwo+ICAJc3RydWN0IGRybV9pOTE1X2dlbV9vYmplY3QgKm9i aiA9IGludGVsX2ZiLT5vYmo7Cj4gLQlib29sIGF0b21pY191cGRhdGU7Cj4gLQl1MzIgc3RhcnRf dmJsX2NvdW50Owo+ICAJdTMyIGRzcGNudHI7Cj4gIAl1MzIgcmVnOwo+ICAKPiAtCWludGVsX21h cmtfcGFnZV9mbGlwX2FjdGl2ZShpbnRlbF9jcnRjKTsKPiAtCj4gLQlhdG9taWNfdXBkYXRlID0g aW50ZWxfcGlwZV91cGRhdGVfc3RhcnQoaW50ZWxfY3J0YywgJnN0YXJ0X3ZibF9jb3VudCk7Cj4g LQo+ICAJcmVnID0gRFNQQ05UUihpbnRlbF9jcnRjLT5wbGFuZSk7Cj4gIAlkc3BjbnRyID0gSTkx NV9SRUFEKHJlZyk7Cj4gIAo+IEBAIC05NDY2LDYgKzk0OTQsMjggQEAgc3RhdGljIHZvaWQgaW50 ZWxfZG9fbW1pb19mbGlwKHN0cnVjdCBpbnRlbF9jcnRjICppbnRlbF9jcnRjKQo+ICAJCSAgIGlu dGVsX2NydGMtPnVucGluX3dvcmstPmd0dF9vZmZzZXQpOwo+ICAJUE9TVElOR19SRUFEKERTUFNV UkYoaW50ZWxfY3J0Yy0+cGxhbmUpKTsKPiAgCj4gK30KPiArCj4gKy8qCj4gKyAqIFhYWDogVGhp cyBpcyB0aGUgdGVtcG9yYXJ5IHdheSB0byB1cGRhdGUgdGhlIHBsYW5lIHJlZ2lzdGVycyB1bnRp bCB3ZSBnZXQKPiArICogYXJvdW5kIHRvIHVzaW5nIHRoZSB1c3VhbCBwbGFuZSB1cGRhdGUgZnVu Y3Rpb25zIGZvciBNTUlPIGZsaXBzCj4gKyAqLwo+ICtzdGF0aWMgdm9pZCBpbnRlbF9kb19tbWlv X2ZsaXAoc3RydWN0IGludGVsX2NydGMgKmludGVsX2NydGMpCj4gK3sKPiArCXN0cnVjdCBkcm1f ZGV2aWNlICpkZXYgPSBpbnRlbF9jcnRjLT5iYXNlLmRldjsKPiArCWJvb2wgYXRvbWljX3VwZGF0 ZTsKPiArCXUzMiBzdGFydF92YmxfY291bnQ7Cj4gKwo+ICsJaW50ZWxfbWFya19wYWdlX2ZsaXBf YWN0aXZlKGludGVsX2NydGMpOwo+ICsKPiArCWF0b21pY191cGRhdGUgPSBpbnRlbF9waXBlX3Vw ZGF0ZV9zdGFydChpbnRlbF9jcnRjLCAmc3RhcnRfdmJsX2NvdW50KTsKPiArCj4gKwlpZiAoSU5U RUxfSU5GTyhkZXYpLT5nZW4gPj0gOSkKPiArCQlza2xfZG9fbW1pb19mbGlwKGludGVsX2NydGMp Owo+ICsJZWxzZQo+ICsJCS8qIHVzZV9tbWlvX2ZsaXAoKSByZXRyaWN0cyBNTUlPIGZsaXBzIHRv IGlsaysgKi8KPiArCQlpbGtfZG9fbW1pb19mbGlwKGludGVsX2NydGMpOwo+ICsKPiAgCWlmIChh dG9taWNfdXBkYXRlKQo+ICAJCWludGVsX3BpcGVfdXBkYXRlX2VuZChpbnRlbF9jcnRjLCBzdGFy dF92YmxfY291bnQpOwo+ICB9Cj4gLS0gCj4gMS44LjMuMQo+IAo+IF9fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCj4gSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdAo+ IEludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKPiBodHRwOi8vbGlzdHMuZnJlZWRlc2t0 b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4CgotLSAKRGFuaWVsIFZldHRlcgpTb2Z0 d2FyZSBFbmdpbmVlciwgSW50ZWwgQ29ycG9yYXRpb24KKzQxICgwKSA3OSAzNjUgNTcgNDggLSBo dHRwOi8vYmxvZy5mZndsbC5jaApfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVz a3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2lu dGVsLWdmeAo=