From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH 1/2] drm/i915: Allow preservation of watermarks. Date: Wed, 2 Mar 2016 13:17:55 +0200 Message-ID: <20160302111755.GQ15993@intel.com> References: <1456826842-32553-1-git-send-email-maarten.lankhorst@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTP id 926896E81F for ; Wed, 2 Mar 2016 11:17:58 +0000 (UTC) Content-Disposition: inline In-Reply-To: <1456826842-32553-1-git-send-email-maarten.lankhorst@linux.intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Maarten Lankhorst Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gVHVlLCBNYXIgMDEsIDIwMTYgYXQgMTE6MDc6MjFBTSArMDEwMCwgTWFhcnRlbiBMYW5raG9y c3Qgd3JvdGU6Cj4gQXMgUGF1bG8gaGFzIG5vdGVkIHdlIGNhbiBoZWxwIGJpc2VjdGFiaWxpdHkg Ynkgc2VwYXJhdGluZyBjb21wdXRpbmcKPiB3YXRlcm1hcmtzIG9uIGEgbm9vcCBpbiAyIHNlcGFy YXRlIGNvbW1pdHMuCj4gCj4gVGhpcyBwYXRjaCBubyBsb25nZXIgY2xlYXJzIHRoZSBjcnRjIHdh dGVybWFyayBzdGF0ZSwgYnV0IHJlY2FsY3VsYXRlcwo+IGl0IGNvbXBsZXRlbHkuIFJlZ2FyZGxl c3Mgd2hldGhlciBhIGxldmVsIGlzIHVzZWQgdGhlIGZ1bGwgdmFsdWVzIGZvcgo+IGVhY2ggbGV2 ZWwgYXJlIGNhbGN1bGF0ZWQuIElmIGEgbGV2ZWwgaXMgaW52YWxpZCB3bVtsZXZlbF0uZW5hYmxl IGlzCj4gdW5zZXQuCj4gCj4gU2lnbmVkLW9mZi1ieTogTWFhcnRlbiBMYW5raG9yc3QgPG1hYXJ0 ZW4ubGFua2hvcnN0QGxpbnV4LmludGVsLmNvbT4KPiAtLS0KPiAgZHJpdmVycy9ncHUvZHJtL2k5 MTUvaW50ZWxfcG0uYyB8IDIyICsrKysrKysrKysrKy0tLS0tLS0tLS0KPiAgMSBmaWxlIGNoYW5n ZWQsIDEyIGluc2VydGlvbnMoKyksIDEwIGRlbGV0aW9ucygtKQo+IAo+IGRpZmYgLS1naXQgYS9k cml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9wbS5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50 ZWxfcG0uYwo+IGluZGV4IGQzM2RlOTU0YTJlNC4uMWI4YmE3NzdkMmIzIDEwMDY0NAo+IC0tLSBh L2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3BtLmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0v aTkxNS9pbnRlbF9wbS5jCj4gQEAgLTIzMDAsNyArMjMwMCw3IEBAIHN0YXRpYyBpbnQgaWxrX2Nv bXB1dGVfcGlwZV93bShzdHJ1Y3QgaW50ZWxfY3J0YyAqaW50ZWxfY3J0YywKPiAgCXN0cnVjdCBp bnRlbF9wbGFuZV9zdGF0ZSAqcHJpc3RhdGUgPSBOVUxMOwo+ICAJc3RydWN0IGludGVsX3BsYW5l X3N0YXRlICpzcHJzdGF0ZSA9IE5VTEw7Cj4gIAlzdHJ1Y3QgaW50ZWxfcGxhbmVfc3RhdGUgKmN1 cnN0YXRlID0gTlVMTDsKPiAtCWludCBsZXZlbCwgbWF4X2xldmVsID0gaWxrX3dtX21heF9sZXZl bChkZXYpOwo+ICsJaW50IGxldmVsLCBtYXhfbGV2ZWwgPSBpbGtfd21fbWF4X2xldmVsKGRldiks IHVzYWJsZV9sZXZlbDsKPiAgCXN0cnVjdCBpbGtfd21fbWF4aW11bXMgbWF4Owo+ICAKPiAgCWNz dGF0ZSA9IGludGVsX2F0b21pY19nZXRfY3J0Y19zdGF0ZShzdGF0ZSwgaW50ZWxfY3J0Yyk7Cj4g QEAgLTIzMDgsNyArMjMwOCw2IEBAIHN0YXRpYyBpbnQgaWxrX2NvbXB1dGVfcGlwZV93bShzdHJ1 Y3QgaW50ZWxfY3J0YyAqaW50ZWxfY3J0YywKPiAgCQlyZXR1cm4gUFRSX0VSUihjc3RhdGUpOwo+ ICAKPiAgCXBpcGVfd20gPSAmY3N0YXRlLT53bS5vcHRpbWFsLmlsazsKPiAtCW1lbXNldChwaXBl X3dtLCAwLCBzaXplb2YoKnBpcGVfd20pKTsKPiAgCj4gIAlmb3JfZWFjaF9pbnRlbF9wbGFuZV9v bl9jcnRjKGRldiwgaW50ZWxfY3J0YywgaW50ZWxfcGxhbmUpIHsKPiAgCQlwcyA9IGRybV9hdG9t aWNfZ2V0X3BsYW5lX3N0YXRlKHN0YXRlLAo+IEBAIC0yMzMwLDEzICsyMzI5LDE1IEBAIHN0YXRp YyBpbnQgaWxrX2NvbXB1dGVfcGlwZV93bShzdHJ1Y3QgaW50ZWxfY3J0YyAqaW50ZWxfY3J0YywK PiAgCQkoZHJtX3JlY3Rfd2lkdGgoJnNwcnN0YXRlLT5kc3QpICE9IGRybV9yZWN0X3dpZHRoKCZz cHJzdGF0ZS0+c3JjKSA+PiAxNiB8fAo+ICAJCWRybV9yZWN0X2hlaWdodCgmc3Byc3RhdGUtPmRz dCkgIT0gZHJtX3JlY3RfaGVpZ2h0KCZzcHJzdGF0ZS0+c3JjKSA+PiAxNik7Cj4gIAo+ICsJdXNh YmxlX2xldmVsID0gbWF4X2xldmVsOwo+ICsKPiAgCS8qIElMSy9TTkI6IExQMisgd2F0ZXJtYXJr cyBvbmx5IHcvbyBzcHJpdGVzICovCj4gIAlpZiAoSU5URUxfSU5GTyhkZXYpLT5nZW4gPD0gNiAm JiBzcHJzdGF0ZS0+dmlzaWJsZSkKPiAtCQltYXhfbGV2ZWwgPSAxOwo+ICsJCXVzYWJsZV9sZXZl bCA9IDE7Cj4gIAo+ICAJLyogSUxLL1NOQi9JVkI6IExQMSsgd2F0ZXJtYXJrcyBvbmx5IHcvbyBz Y2FsaW5nICovCj4gIAlpZiAocGlwZV93bS0+c3ByaXRlc19zY2FsZWQpCj4gLQkJbWF4X2xldmVs ID0gMDsKPiArCQl1c2FibGVfbGV2ZWwgPSAwOwo+ICAKPiAgCWlsa19jb21wdXRlX3dtX2xldmVs KGRldl9wcml2LCBpbnRlbF9jcnRjLCAwLCBjc3RhdGUsCj4gIAkJCSAgICAgcHJpc3RhdGUsIHNw cnN0YXRlLCBjdXJzdGF0ZSwgJnBpcGVfd20tPndtWzBdKTsKPiBAQCAtMjM1MCwyMCArMjM1MSwy MSBAQCBzdGF0aWMgaW50IGlsa19jb21wdXRlX3BpcGVfd20oc3RydWN0IGludGVsX2NydGMgKmlu dGVsX2NydGMsCj4gIAlpbGtfY29tcHV0ZV93bV9yZWdfbWF4aW11bXMoZGV2LCAxLCAmbWF4KTsK PiAgCj4gIAlmb3IgKGxldmVsID0gMTsgbGV2ZWwgPD0gbWF4X2xldmVsOyBsZXZlbCsrKSB7Cj4g LQkJc3RydWN0IGludGVsX3dtX2xldmVsIHdtID0ge307Cj4gKwkJc3RydWN0IGludGVsX3dtX2xl dmVsICp3bSA9ICZwaXBlX3dtLT53bVtsZXZlbF07Cj4gIAo+ICAJCWlsa19jb21wdXRlX3dtX2xl dmVsKGRldl9wcml2LCBpbnRlbF9jcnRjLCBsZXZlbCwgY3N0YXRlLAo+IC0JCQkJICAgICBwcmlz dGF0ZSwgc3Byc3RhdGUsIGN1cnN0YXRlLCAmd20pOwo+ICsJCQkJICAgICBwcmlzdGF0ZSwgc3By c3RhdGUsIGN1cnN0YXRlLCB3bSk7Cj4gIAo+ICAJCS8qCj4gIAkJICogRGlzYWJsZSBhbnkgd2F0 ZXJtYXJrIGxldmVsIHRoYXQgZXhjZWVkcyB0aGUKPiAgCQkgKiByZWdpc3RlciBtYXhpbXVtcyBz aW5jZSBzdWNoIHdhdGVybWFya3MgYXJlCj4gIAkJICogYWx3YXlzIGludmFsaWQuCj4gIAkJICov Cj4gLQkJaWYgKCFpbGtfdmFsaWRhdGVfd21fbGV2ZWwobGV2ZWwsICZtYXgsICZ3bSkpCj4gLQkJ CWJyZWFrOwo+IC0KPiAtCQlwaXBlX3dtLT53bVtsZXZlbF0gPSB3bTsKPiArCQlpZiAoIWlsa192 YWxpZGF0ZV93bV9sZXZlbChsZXZlbCwgJm1heCwgd20pKSB7Cj4gKwkJCXVzYWJsZV9sZXZlbCA9 IGxldmVsOwo+ICsJCQl3bS0+ZW5hYmxlID0gZmFsc2U7Cj4gKwkJfSBlbHNlIGlmIChsZXZlbCA+ IHVzYWJsZV9sZXZlbCkKPiArCQkJd20tPmVuYWJsZSA9IGZhbHNlOwoKVGhhdCBzZWVtcyB0byBi ZSB0aGUgd3Jvbmcgd2F5IGFyb3VuZC4gSSBkb24ndCB0aGluayB0aGVyZSdzCmFueSBwb2ludCBp biBjYWxsaW5nIGlsa192YWxpZGF0ZV93bV9sZXZlbCgpIGlmIHRoZSBsZXZlbAphbHJlYWR5IGV4 Y2VlZHMgdGhlIG1heC4KCj4gIAl9Cj4gIAo+ICAJcmV0dXJuIDA7Cj4gLS0gCj4gMi4xLjAKPiAK PiBfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwo+IEludGVs LWdmeCBtYWlsaW5nIGxpc3QKPiBJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCj4gaHR0 cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngKCi0t IApWaWxsZSBTeXJqw6Rsw6QKSW50ZWwgT1RDCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3Rz LmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xp c3RpbmZvL2ludGVsLWdmeAo=