From mboxrd@z Thu Jan 1 00:00:00 1970 From: Samuel Pitoiset Subject: Re: [PATCH] nouveau: avoid emitting new fences unnecessarily Date: Sat, 10 Oct 2015 21:41:19 +0200 Message-ID: <561969DF.6020308@gmail.com> References: <1444457532-30252-1-git-send-email-imirkin@alum.mit.edu> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1444457532-30252-1-git-send-email-imirkin@alum.mit.edu> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: mesa-dev-bounces@lists.freedesktop.org Sender: "mesa-dev" To: Ilia Mirkin , mesa-dev@lists.freedesktop.org, nouveau@lists.freedesktop.org Cc: mesa-stable@lists.freedesktop.org List-Id: nouveau.vger.kernel.org RG9lcyB0aGlzIGZpeCB0aG9zZSB0ZXhlbEZldGNoIHBpZ2xpdCB0ZXN0cyA/IE9yIGlzIGl0IHRo ZSBzZWNvbmQgcGF0Y2ggPwoKQW55d2F5LCB0aGlzIHBhdGNoIGlzIDoKClJldmlld2VkLWJ5OiBT YW11ZWwgUGl0b2lzZXQgPHNhbXVlbC5waXRvaXNldEBnbWFpbC5jb20+CgpPbiAxMC8xMC8yMDE1 IDA4OjEyIEFNLCBJbGlhIE1pcmtpbiB3cm90ZToKPiBSaWdodCBub3cgd2UgZW1pdCBvbiBldmVy eSBraWNrLCBidXQgdGhpcyBpcyBvbmx5IG5lY2Vzc2FyeSBpZiBzb21ldGhpbmcKPiB3aWxsIGV2 ZXIgYmUgYWJsZSB0byBvYnNlcnZlIHRoYXQgdGhlIGZlbmNlIGNvbXBsZXRlZC4gSWYgdGhlcmUg YXJlIG5vCj4gcmVmcywgbGVhdmUgdGhlIGZlbmNlIGFsb25lIGFuZCBlbWl0IGl0IGFub3RoZXIg ZGF5Lgo+Cj4gVGhpcyBhbHNvIGhhcHBlbnMgdG8gd29yayBhcm91bmQgYW4gaXNzdWUgZm9yIHRo ZSBraWNrIGhhbmRsZXIgLS0gYSBraWNrCj4gY2FuIGJlIGEgcmVzdWx0IG9mIGUuZy4gbm91dmVh dV9ib193YWl0IG9yIGV4cGxpY2l0IGtpY2ssIG9yIGl0IGNhbiBiZQo+IGR1ZSB0byBsYWNrIG9m IHNwYWNlIGluIHRoZSBwdXNoYnVmLiBXZSB3YW50IHRoZSBlbWl0IHRvIGhhcHBlbiBpbiB0aGUK PiBjdXJyZW50IGJhdGNoLCBzbyB3ZSB3YW50IHRoZXJlIHRvIGFsd2F5cyBiZSBlbm91Z2ggc3Bh Y2UuIEhvd2V2ZXIgYW4KPiBleHBsaWNpdCBraWNrIGNvdWxkIHRha2UgdGhlIHJlc2VydmVkIHNw YWNlIGZvciB0aGUgaW1wbGljaXRseS10cmlnZ2VyZWQKPiBraWNrJ3MgZmVuY2UgZW1pc3Npb24g aWYgaXQgaGFwcGVuZWQgcmlnaHQgYWZ0ZXIuIFdpdGggdGhlIG5ldyBtZWNoYW5pc20sCj4gaG9w ZWZ1bGx5IHRoZXJlJ3Mgbm8gd2F5IHRvIGNhdXNlIHR3byBmZW5jZXMgdG8gYmUgZW1pdHRlZCBp bnRvIHRoZSBzYW1lCj4gcmVzZXJ2ZWQgc3BhY2UuCj4KPiBTaWduZWQtb2ZmLWJ5OiBJbGlhIE1p cmtpbiA8aW1pcmtpbkBhbHVtLm1pdC5lZHU+Cj4gQ2M6IG1lc2Etc3RhYmxlQGxpc3RzLmZyZWVk ZXNrdG9wLm9yZwo+IEZpeGVzOiA0N2QxMTk5MGIgKG5vdXZlYXU6IG1ha2Ugc3VyZSB0aGVyZSdz IGFsd2F5cyByb29tIHRvIGVtaXQgYSBmZW5jZSkKPiAtLS0KPiAgIHNyYy9nYWxsaXVtL2RyaXZl cnMvbm91dmVhdS9ub3V2ZWF1X2ZlbmNlLmMgfCAxMiArKysrKysrKystLS0KPiAgIDEgZmlsZSBj aGFuZ2VkLCA5IGluc2VydGlvbnMoKyksIDMgZGVsZXRpb25zKC0pCj4KPiBkaWZmIC0tZ2l0IGEv c3JjL2dhbGxpdW0vZHJpdmVycy9ub3V2ZWF1L25vdXZlYXVfZmVuY2UuYyBiL3NyYy9nYWxsaXVt L2RyaXZlcnMvbm91dmVhdS9ub3V2ZWF1X2ZlbmNlLmMKPiBpbmRleCBlZTRlMDhkLi4xOGIxNTky IDEwMDY0NAo+IC0tLSBhL3NyYy9nYWxsaXVtL2RyaXZlcnMvbm91dmVhdS9ub3V2ZWF1X2ZlbmNl LmMKPiArKysgYi9zcmMvZ2FsbGl1bS9kcml2ZXJzL25vdXZlYXUvbm91dmVhdV9mZW5jZS5jCj4g QEAgLTE5MCw4ICsxOTAsMTAgQEAgbm91dmVhdV9mZW5jZV93YWl0KHN0cnVjdCBub3V2ZWF1X2Zl bmNlICpmZW5jZSkKPiAgICAgIC8qIHd0Ziwgc29tZW9uZSBpcyB3YWl0aW5nIG9uIGEgZmVuY2Ug aW4gZmx1c2hfbm90aWZ5IGhhbmRsZXI/ICovCj4gICAgICBhc3NlcnQoZmVuY2UtPnN0YXRlICE9 IE5PVVZFQVVfRkVOQ0VfU1RBVEVfRU1JVFRJTkcpOwo+ICAgCj4gLSAgIGlmIChmZW5jZS0+c3Rh dGUgPCBOT1VWRUFVX0ZFTkNFX1NUQVRFX0VNSVRURUQpCj4gKyAgIGlmIChmZW5jZS0+c3RhdGUg PCBOT1VWRUFVX0ZFTkNFX1NUQVRFX0VNSVRURUQpIHsKPiArICAgICAgUFVTSF9TUEFDRShzY3Jl ZW4tPnB1c2hidWYsIDgpOwo+ICAgICAgICAgbm91dmVhdV9mZW5jZV9lbWl0KGZlbmNlKTsKPiAr ICAgfQo+ICAgCj4gICAgICBpZiAoZmVuY2UtPnN0YXRlIDwgTk9VVkVBVV9GRU5DRV9TVEFURV9G TFVTSEVEKQo+ICAgICAgICAgaWYgKG5vdXZlYXVfcHVzaGJ1Zl9raWNrKHNjcmVlbi0+cHVzaGJ1 Ziwgc2NyZWVuLT5wdXNoYnVmLT5jaGFubmVsKSkKPiBAQCAtMjI0LDggKzIyNiwxMiBAQCBub3V2 ZWF1X2ZlbmNlX3dhaXQoc3RydWN0IG5vdXZlYXVfZmVuY2UgKmZlbmNlKQo+ICAgdm9pZAo+ICAg bm91dmVhdV9mZW5jZV9uZXh0KHN0cnVjdCBub3V2ZWF1X3NjcmVlbiAqc2NyZWVuKQo+ICAgewo+ IC0gICBpZiAoc2NyZWVuLT5mZW5jZS5jdXJyZW50LT5zdGF0ZSA8IE5PVVZFQVVfRkVOQ0VfU1RB VEVfRU1JVFRJTkcpCj4gLSAgICAgIG5vdXZlYXVfZmVuY2VfZW1pdChzY3JlZW4tPmZlbmNlLmN1 cnJlbnQpOwo+ICsgICBpZiAoc2NyZWVuLT5mZW5jZS5jdXJyZW50LT5zdGF0ZSA8IE5PVVZFQVVf RkVOQ0VfU1RBVEVfRU1JVFRJTkcpIHsKPiArICAgICAgaWYgKHNjcmVlbi0+ZmVuY2UuY3VycmVu dC0+cmVmID4gMSkKPiArICAgICAgICAgbm91dmVhdV9mZW5jZV9lbWl0KHNjcmVlbi0+ZmVuY2Uu Y3VycmVudCk7Cj4gKyAgICAgIGVsc2UKPiArICAgICAgICAgcmV0dXJuOwo+ICsgICB9Cj4gICAK PiAgICAgIG5vdXZlYXVfZmVuY2VfcmVmKE5VTEwsICZzY3JlZW4tPmZlbmNlLmN1cnJlbnQpOwo+ ICAgCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwptZXNh LWRldiBtYWlsaW5nIGxpc3QKbWVzYS1kZXZAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9s aXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9tZXNhLWRldgo=