From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [Intel-gfx] [PATCH 4/4] drm/i915: Opportunistically reduce flushing at execbuf Date: Sun, 14 Dec 2014 15:12:21 +0200 Message-ID: <20141214131221.GD10649@intel.com> References: <1418526504-26316-1-git-send-email-benjamin.widawsky@intel.com> <1418526504-26316-5-git-send-email-benjamin.widawsky@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <1418526504-26316-5-git-send-email-benjamin.widawsky@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Ben Widawsky Cc: Intel GFX , Ben Widawsky , DRI Development List-Id: intel-gfx@lists.freedesktop.org T24gU2F0LCBEZWMgMTMsIDIwMTQgYXQgMDc6MDg6MjRQTSAtMDgwMCwgQmVuIFdpZGF3c2t5IHdy b3RlOgo+IElmIHdlJ3JlIG1vdmluZyBhIGJ1bmNoIG9mIGJ1ZmZlcnMgZnJvbSB0aGUgQ1BVIGRv bWFpbiB0byB0aGUgR1BVIGRvbWFpbiwgYW5kCj4gd2UndmUgYWxyZWFkeSBibG93biBvdXQgdGhl IGVudGlyZSBjYWNoZSB2aWEgYSB3YmludmQsIHRoZXJlIGlzIG5vdGhpbmcgbW9yZSB0bwo+IGRv Lgo+IAo+IFdpdGggdGhpcyBhbmQgdGhlIHByZXZpb3VzIHBhdGNoZXMsIEkgYW0gc2VlaW5nIGEg M3ggRlBTIGluY3JlYXNlIG9uIGEgY2VydGFpbgo+IGJlbmNobWFyayB3aGljaCB1c2VzIGEgZ2lh bnQgMmQgYXJyYXkgdGV4dHVyZS4gVW5sZXNzIEkgbWlzc2VkIHNvbWV0aGluZyBpbiB0aGUKPiBj b2RlLCBpdCBzaG91bGQgb25seSBlZmZlY3Qgbm9uLUxMQyBpOTE1IHBsYXRmb3Jtcy4KPiAKPiBJ IGhhdmVuJ3QgeWV0IHJ1biBhbnkgbnVtYmVycyBmb3Igb3RoZXIgYmVuY2htYXJrcywgbm9yIGhh dmUgSSBhdHRlbXB0ZWQgdG8KPiBjaGVjayBpZiB2YXJpb3VzIGNvbmZvcm1hbmNlIHRlc3RzIHN0 aWxsIHBhc3MuCj4gCj4gTk9URTogQXMgbWVudGlvbmVkIGluIHRoZSBwcmV2aW91cyBwYXRjaCwg aWYgb25lIGNhbiBlYXNpbHkgb2J0YWluIHRoZSBsYXJnZXN0Cj4gYnVmZmVyIGFuZCBhdHRlbXB0 IHRvIGZsdXNoIGl0IGZpcnN0LCB0aGUgcmVzdWx0cyB3b3VsZCBiZSBldmVuIG1vcmUgZGVzaXJh YmxlLgoKU28gZXZlbiB3aXRoIHRoYXQgb3B0aW1pemF0aW9uIGlmIHlvdSBvbmx5IGhhdmUgdG9u cyBvZiBzbWFsbCBidWZmZXJzCnRoYXQgbmVlZCB0byBiZSBmbHVzaGVkIHlvdSdkIHN0aWxsIHRh a2UgdGhlIGNsZmx1c2ggcGF0aCBmb3IgZXZlcnkKc2luZ2xlIG9uZS4KCkhvdyBkaWZmaWN1bHQg d291bGQgaXQgdG8gY2FsY3VsYXRlIHRoZSB0b3RhbCBzaXplIHRvIGJlIGZsdXNoZWQgZmlyc3Qs CmFuZCB0aGVuIG1ha2UgdGhlIGNsZmx1c2ggdnMuIHdiaW52ZCBkZWNpc2lvbiBiYXNlIG9uIHRo YXQ/Cgo+IAo+IENjOiBEUkkgRGV2ZWxvcG1lbnQgPGRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3Rv cC5vcmc+Cj4gU2lnbmVkLW9mZi1ieTogQmVuIFdpZGF3c2t5IDxiZW5AYndpZGF3c2submV0Pgo+ IC0tLQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2Rydi5oICAgICAgICAgICAgfCAgMyAr Ky0KPiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYyAgICAgICAgICAgIHwgMTIgKysr KystLS0tLS0tCj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtX2V4ZWNidWZmZXIuYyB8 ICA4ICsrKysrLS0tCj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2xyYy5jICAgICAgICAg ICB8ICA4ICsrKysrLS0tCj4gIDQgZmlsZXMgY2hhbmdlZCwgMTcgaW5zZXJ0aW9ucygrKSwgMTQg ZGVsZXRpb25zKC0pCj4gCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVf ZHJ2LmggYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2Rydi5oCj4gaW5kZXggZDY4Yzc1Zi4u ZmRiOTJhMyAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2Rydi5oCj4g KysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9kcnYuaAo+IEBAIC0yNjQyLDcgKzI2NDIs OCBAQCBzdGF0aWMgaW5saW5lIGJvb2wgaTkxNV9zdG9wX3JpbmdfYWxsb3dfd2FybihzdHJ1Y3Qg ZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYpCj4gIH0KPiAgCj4gIHZvaWQgaTkxNV9nZW1fcmVz ZXQoc3RydWN0IGRybV9kZXZpY2UgKmRldik7Cj4gLWJvb2wgaTkxNV9nZW1fY2xmbHVzaF9vYmpl Y3Qoc3RydWN0IGRybV9pOTE1X2dlbV9vYmplY3QgKm9iaiwgYm9vbCBmb3JjZSk7Cj4gK2VudW0g ZHJtX2NhY2hlX2ZsdXNoCj4gK2k5MTVfZ2VtX2NsZmx1c2hfb2JqZWN0KHN0cnVjdCBkcm1faTkx NV9nZW1fb2JqZWN0ICpvYmosIGJvb2wgZm9yY2UpOwo+ICBpbnQgX19tdXN0X2NoZWNrIGk5MTVf Z2VtX29iamVjdF9maW5pc2hfZ3B1KHN0cnVjdCBkcm1faTkxNV9nZW1fb2JqZWN0ICpvYmopOwo+ ICBpbnQgX19tdXN0X2NoZWNrIGk5MTVfZ2VtX2luaXQoc3RydWN0IGRybV9kZXZpY2UgKmRldik7 Cj4gIGludCBpOTE1X2dlbV9pbml0X3JpbmdzKHN0cnVjdCBkcm1fZGV2aWNlICpkZXYpOwo+IGRp ZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jIGIvZHJpdmVycy9ncHUv ZHJtL2k5MTUvaTkxNV9nZW0uYwo+IGluZGV4IGRlMjQxZWIuLjM3NDY3MzggMTAwNjQ0Cj4gLS0t IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2k5MTVfZ2VtLmMKPiBAQCAtMzYwOCw3ICszNjA4LDcgQEAgZXJyX3VucGluOgo+ICAJ cmV0dXJuIHZtYTsKPiAgfQo+ICAKPiAtYm9vbAo+ICtlbnVtIGRybV9jYWNoZV9mbHVzaAo+ICBp OTE1X2dlbV9jbGZsdXNoX29iamVjdChzdHJ1Y3QgZHJtX2k5MTVfZ2VtX29iamVjdCAqb2JqLAo+ ICAJCQlib29sIGZvcmNlKQo+ICB7Cj4gQEAgLTM2MTcsMTQgKzM2MTcsMTQgQEAgaTkxNV9nZW1f Y2xmbHVzaF9vYmplY3Qoc3RydWN0IGRybV9pOTE1X2dlbV9vYmplY3QgKm9iaiwKPiAgCSAqIGFn YWluIGF0IGJpbmQgdGltZS4KPiAgCSAqLwo+ICAJaWYgKG9iai0+cGFnZXMgPT0gTlVMTCkKPiAt CQlyZXR1cm4gZmFsc2U7Cj4gKwkJcmV0dXJuIERSTV9DQUNIRV9GTFVTSF9OT05FOwo+ICAKPiAg CS8qCj4gIAkgKiBTdG9sZW4gbWVtb3J5IGlzIGFsd2F5cyBjb2hlcmVudCB3aXRoIHRoZSBHUFUg YXMgaXQgaXMgZXhwbGljaXRseQo+ICAJICogbWFya2VkIGFzIHdjIGJ5IHRoZSBzeXN0ZW0sIG9y IHRoZSBzeXN0ZW0gaXMgY2FjaGUtY29oZXJlbnQuCj4gIAkgKi8KPiAgCWlmIChvYmotPnN0b2xl biB8fCBvYmotPnBoeXNfaGFuZGxlKQo+IC0JCXJldHVybiBmYWxzZTsKPiArCQlyZXR1cm4gRFJN X0NBQ0hFX0ZMVVNIX05PTkU7Cj4gIAo+ICAJLyogSWYgdGhlIEdQVSBpcyBzbm9vcGluZyB0aGUg Y29udGVudHMgb2YgdGhlIENQVSBjYWNoZSwKPiAgCSAqIHdlIGRvIG5vdCBuZWVkIHRvIG1hbnVh bGx5IGNsZWFyIHRoZSBDUFUgY2FjaGUgbGluZXMuICBIb3dldmVyLAo+IEBAIC0zNjM1LDEyICsz NjM1LDEwIEBAIGk5MTVfZ2VtX2NsZmx1c2hfb2JqZWN0KHN0cnVjdCBkcm1faTkxNV9nZW1fb2Jq ZWN0ICpvYmosCj4gIAkgKiB0cmFja2luZy4KPiAgCSAqLwo+ICAJaWYgKCFmb3JjZSAmJiBjcHVf Y2FjaGVfaXNfY29oZXJlbnQob2JqLT5iYXNlLmRldiwgb2JqLT5jYWNoZV9sZXZlbCkpCj4gLQkJ cmV0dXJuIGZhbHNlOwo+ICsJCXJldHVybiBEUk1fQ0FDSEVfRkxVU0hfTk9ORTsKPiAgCj4gIAl0 cmFjZV9pOTE1X2dlbV9vYmplY3RfY2xmbHVzaChvYmopOwo+IC0JZHJtX2NsZmx1c2hfc2cob2Jq LT5wYWdlcyk7Cj4gLQo+IC0JcmV0dXJuIHRydWU7Cj4gKwlyZXR1cm4gZHJtX2NsZmx1c2hfc2co b2JqLT5wYWdlcyk7Cj4gIH0KPiAgCj4gIC8qKiBGbHVzaGVzIHRoZSBHVFQgd3JpdGUgZG9tYWlu IGZvciB0aGUgb2JqZWN0IGlmIGl0J3MgZGlydHkuICovCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMv Z3B1L2RybS9pOTE1L2k5MTVfZ2VtX2V4ZWNidWZmZXIuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1 L2k5MTVfZ2VtX2V4ZWNidWZmZXIuYwo+IGluZGV4IDBjMjVmNjIuLmU4ZWI5ZTkgMTAwNjQ0Cj4g LS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1fZXhlY2J1ZmZlci5jCj4gKysrIGIv ZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1fZXhlY2J1ZmZlci5jCj4gQEAgLTgyNyw3ICs4 MjcsNyBAQCBpOTE1X2dlbV9leGVjYnVmZmVyX21vdmVfdG9fZ3B1KHN0cnVjdCBpbnRlbF9lbmdp bmVfY3MgKnJpbmcsCj4gIHsKPiAgCXN0cnVjdCBpOTE1X3ZtYSAqdm1hOwo+ICAJdWludDMyX3Qg Zmx1c2hfZG9tYWlucyA9IDA7Cj4gLQlib29sIGZsdXNoX2NoaXBzZXQgPSBmYWxzZTsKPiArCWVu dW0gZHJtX2NhY2hlX2ZsdXNoIGZsdXNoX2NoaXBzZXQgPSBEUk1fQ0FDSEVfRkxVU0hfTk9ORTsK PiAgCWludCByZXQ7Cj4gIAo+ICAJbGlzdF9mb3JfZWFjaF9lbnRyeSh2bWEsIHZtYXMsIGV4ZWNf bGlzdCkgewo+IEBAIC04MzYsOCArODM2LDEwIEBAIGk5MTVfZ2VtX2V4ZWNidWZmZXJfbW92ZV90 b19ncHUoc3RydWN0IGludGVsX2VuZ2luZV9jcyAqcmluZywKPiAgCQlpZiAocmV0KQo+ICAJCQly ZXR1cm4gcmV0Owo+ICAKPiAtCQlpZiAob2JqLT5iYXNlLndyaXRlX2RvbWFpbiAmIEk5MTVfR0VN X0RPTUFJTl9DUFUpCj4gLQkJCWZsdXNoX2NoaXBzZXQgfD0gaTkxNV9nZW1fY2xmbHVzaF9vYmpl Y3Qob2JqLCBmYWxzZSk7Cj4gKwkJaWYgKG9iai0+YmFzZS53cml0ZV9kb21haW4gJiBJOTE1X0dF TV9ET01BSU5fQ1BVICYmCj4gKwkJICAgIGZsdXNoX2NoaXBzZXQgIT0gRFJNX0NBQ0hFX0ZMVVNI X1dCSU5WRCkgewo+ICsJCQlmbHVzaF9jaGlwc2V0ID0gaTkxNV9nZW1fY2xmbHVzaF9vYmplY3Qo b2JqLCBmYWxzZSk7Cj4gKwkJfQo+ICAKPiAgCQlmbHVzaF9kb21haW5zIHw9IG9iai0+YmFzZS53 cml0ZV9kb21haW47Cj4gIAl9Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2lu dGVsX2xyYy5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfbHJjLmMKPiBpbmRleCA4OWI1 NTc3Li5hNmM2ZWJkIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2xy Yy5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfbHJjLmMKPiBAQCAtNjExLDcg KzYxMSw3IEBAIHN0YXRpYyBpbnQgZXhlY2xpc3RzX21vdmVfdG9fZ3B1KHN0cnVjdCBpbnRlbF9y aW5nYnVmZmVyICpyaW5nYnVmLAo+ICAJc3RydWN0IGludGVsX2VuZ2luZV9jcyAqcmluZyA9IHJp bmdidWYtPnJpbmc7Cj4gIAlzdHJ1Y3QgaTkxNV92bWEgKnZtYTsKPiAgCXVpbnQzMl90IGZsdXNo X2RvbWFpbnMgPSAwOwo+IC0JYm9vbCBmbHVzaF9jaGlwc2V0ID0gZmFsc2U7Cj4gKwllbnVtIGRy bV9jYWNoZV9mbHVzaCBmbHVzaF9jaGlwc2V0ID0gRFJNX0NBQ0hFX0ZMVVNIX05PTkU7Cj4gIAlp bnQgcmV0Owo+ICAKPiAgCWxpc3RfZm9yX2VhY2hfZW50cnkodm1hLCB2bWFzLCBleGVjX2xpc3Qp IHsKPiBAQCAtNjIxLDggKzYyMSwxMCBAQCBzdGF0aWMgaW50IGV4ZWNsaXN0c19tb3ZlX3RvX2dw dShzdHJ1Y3QgaW50ZWxfcmluZ2J1ZmZlciAqcmluZ2J1ZiwKPiAgCQlpZiAocmV0KQo+ICAJCQly ZXR1cm4gcmV0Owo+ICAKPiAtCQlpZiAob2JqLT5iYXNlLndyaXRlX2RvbWFpbiAmIEk5MTVfR0VN X0RPTUFJTl9DUFUpCj4gLQkJCWZsdXNoX2NoaXBzZXQgfD0gaTkxNV9nZW1fY2xmbHVzaF9vYmpl Y3Qob2JqLCBmYWxzZSk7Cj4gKwkJaWYgKG9iai0+YmFzZS53cml0ZV9kb21haW4gJiBJOTE1X0dF TV9ET01BSU5fQ1BVICYmCj4gKwkJICAgIGZsdXNoX2NoaXBzZXQgIT0gRFJNX0NBQ0hFX0ZMVVNI X1dCSU5WRCkgewo+ICsJCQlmbHVzaF9jaGlwc2V0ID0gaTkxNV9nZW1fY2xmbHVzaF9vYmplY3Qo b2JqLCBmYWxzZSk7Cj4gKwkJfQo+ICAKPiAgCQlmbHVzaF9kb21haW5zIHw9IG9iai0+YmFzZS53 cml0ZV9kb21haW47Cj4gIAl9Cj4gLS0gCj4gMi4xLjMKPiAKPiBfX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fXwo+IEludGVsLWdmeCBtYWlsaW5nIGxpc3QKPiBJ bnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCj4gaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9w Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAoKLS0gClZpbGxlIFN5cmrDpGzDpApJbnRl bCBPVEMKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJp LWRldmVsIG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6 Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwK