From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH] drm/i915: Make sure DC writes are coherent on flush. Date: Fri, 15 Jan 2016 11:52:11 +0200 Message-ID: <874mefxj90.fsf@intel.com> References: <1452740379-3194-1-git-send-email-currojerez@riseup.net> <87h9igxxgz.fsf@intel.com> <87ziw8dquj.fsf@riseup.net> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTP id 1B5D36EB35 for ; Fri, 15 Jan 2016 01:52:14 -0800 (PST) In-Reply-To: <87ziw8dquj.fsf@riseup.net> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Francisco Jerez , intel-gfx@lists.freedesktop.org Cc: Rodrigo Vivi List-Id: intel-gfx@lists.freedesktop.org T24gVGh1LCAxNCBKYW4gMjAxNiwgRnJhbmNpc2NvIEplcmV6IDxjdXJyb2plcmV6QHJpc2V1cC5u ZXQ+IHdyb3RlOgo+IEphbmkgTmlrdWxhIDxqYW5pLm5pa3VsYUBsaW51eC5pbnRlbC5jb20+IHdy aXRlczoKPgo+PiBPbiBUaHUsIDE0IEphbiAyMDE2LCBGcmFuY2lzY28gSmVyZXogPGN1cnJvamVy ZXpAcmlzZXVwLm5ldD4gd3JvdGU6Cj4+PiBXZSBuZWVkIHRvIHNldCB0aGUgREMgRkxVU0ggUElQ RV9DT05UUk9MIGJpdCBvbiBHZW43KyB0byBndWFyYW50ZWUKPj4+IHRoYXQgd3JpdGVzIHBlcmZv cm1lZCB2aWEgdGhlIEhEQyBhcmUgdmlzaWJsZSBpbiBtZW1vcnkuICBGaXhlcyBhbgo+Pj4gaW50 ZXJtaXR0ZW50IGZhaWx1cmUgaW4gYSBQaWdsaXQgdGVzdCB0aGF0IHdyaXRlcyB0byBhIEJPIGZy b20gYQo+Pj4gc2hhZGVyIHVzaW5nIEdMIGF0b21pYyBjb3VudGVycyAoaW1wbGVtZW50ZWQgYXMg SERDIHVudHlwZWQgYXRvbWljcykKPj4+IGFuZCB0aGVuIGV4cGVjdHMgdGhlIG1lbW9yeSB0byBy ZWFkIGJhY2sgdGhlIHNhbWUgdmFsdWUgYWZ0ZXIgbWFwcGluZwo+Pj4gaXQgb24gdGhlIENQVS4K Pj4+Cj4+PiBCdWd6aWxsYTogaHR0cHM6Ly9idWdzLmZyZWVkZXNrdG9wLm9yZy9zaG93X2J1Zy5j Z2k/aWQ9OTEyOTgKPj4+IFRlc3RlZC1ieTogTWFyayBKYW5lcyA8bWFyay5hLmphbmVzQGludGVs LmNvbT4KPj4+IENjOiBSb2RyaWdvIFZpdmkgPHJvZHJpZ28udml2aUBpbnRlbC5jb20+Cj4+Cj4+ IEZyYW5jaXNjbywgdGhpcyBpcyBtaXNzaW5nIHlvdXIgU2lnbmVkLW9mZi1ieSBpLmUuIGRldmVs b3BlciBjZXJ0aWZpY2F0ZQo+PiBvZiBvcmlnaW4gaHR0cDovL2RldmVsb3BlcmNlcnRpZmljYXRl Lm9yZy8gLSBjYW4ndCBwdXNoIHdpdGhvdXQuIFBsZWFzZQo+PiByZXBseSB3aXRoIHRoYXQuCj4+ Cj4gT29wcywgc29ycnkgZm9yIHRoYXQgLS0gQW5kIHllYWggaXQgc2hvdWxkbid0IGh1cnQgdG8g Q0Mgc3RhYmxlIHRvby4KPgo+IFNpZ25lZC1vZmYtYnk6IEZyYW5jaXNjbyBKZXJleiA8Y3Vycm9q ZXJlekByaXNldXAubmV0PgoKUHVzaGVkIHRvIGRybS1pbnRlbC1uZXh0LXF1ZXVlZCwgdGhhbmtz IGZvciB0aGUgcGF0Y2ggYW5kIHJldmlldy4KCkJSLApKYW5pLgoKCgo+Cj4+IEJSLAo+PiBKYW5p Lgo+Pgo+Pgo+Pj4gLS0tCj4+PiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfbHJjLmMgICAg ICAgIHwgMSArCj4+PiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcmluZ2J1ZmZlci5jIHwg MiArKwo+Pj4gIDIgZmlsZXMgY2hhbmdlZCwgMyBpbnNlcnRpb25zKCspCj4+Pgo+Pj4gZGlmZiAt LWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2xyYy5jIGIvZHJpdmVycy9ncHUvZHJt L2k5MTUvaW50ZWxfbHJjLmMKPj4+IGluZGV4IGFiMzQ0ZTAuLjAyMjEzYzYgMTAwNjQ0Cj4+PiAt LS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9scmMuYwo+Pj4gKysrIGIvZHJpdmVycy9n cHUvZHJtL2k5MTUvaW50ZWxfbHJjLmMKPj4+IEBAIC0xNzM1LDYgKzE3MzUsNyBAQCBzdGF0aWMg aW50IGdlbjhfZW1pdF9mbHVzaF9yZW5kZXIoc3RydWN0IGRybV9pOTE1X2dlbV9yZXF1ZXN0ICpy ZXF1ZXN0LAo+Pj4gIAlpZiAoZmx1c2hfZG9tYWlucykgewo+Pj4gIAkJZmxhZ3MgfD0gUElQRV9D T05UUk9MX1JFTkRFUl9UQVJHRVRfQ0FDSEVfRkxVU0g7Cj4+PiAgCQlmbGFncyB8PSBQSVBFX0NP TlRST0xfREVQVEhfQ0FDSEVfRkxVU0g7Cj4+PiArCQlmbGFncyB8PSBQSVBFX0NPTlRST0xfRENf RkxVU0hfRU5BQkxFOwo+Pj4gIAkJZmxhZ3MgfD0gUElQRV9DT05UUk9MX0ZMVVNIX0VOQUJMRTsK Pj4+ICAJfQo+Pj4gIAo+Pj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVs X3JpbmdidWZmZXIuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3JpbmdidWZmZXIuYwo+ Pj4gaW5kZXggNDA2MGFjZi4uOGNkOGFhYiAxMDA2NDQKPj4+IC0tLSBhL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2ludGVsX3JpbmdidWZmZXIuYwo+Pj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUv aW50ZWxfcmluZ2J1ZmZlci5jCj4+PiBAQCAtMzMxLDYgKzMzMSw3IEBAIGdlbjdfcmVuZGVyX3Jp bmdfZmx1c2goc3RydWN0IGRybV9pOTE1X2dlbV9yZXF1ZXN0ICpyZXEsCj4+PiAgCWlmIChmbHVz aF9kb21haW5zKSB7Cj4+PiAgCQlmbGFncyB8PSBQSVBFX0NPTlRST0xfUkVOREVSX1RBUkdFVF9D QUNIRV9GTFVTSDsKPj4+ICAJCWZsYWdzIHw9IFBJUEVfQ09OVFJPTF9ERVBUSF9DQUNIRV9GTFVT SDsKPj4+ICsJCWZsYWdzIHw9IFBJUEVfQ09OVFJPTF9EQ19GTFVTSF9FTkFCTEU7Cj4+PiAgCQlm bGFncyB8PSBQSVBFX0NPTlRST0xfRkxVU0hfRU5BQkxFOwo+Pj4gIAl9Cj4+PiAgCWlmIChpbnZh bGlkYXRlX2RvbWFpbnMpIHsKPj4+IEBAIC00MDMsNiArNDA0LDcgQEAgZ2VuOF9yZW5kZXJfcmlu Z19mbHVzaChzdHJ1Y3QgZHJtX2k5MTVfZ2VtX3JlcXVlc3QgKnJlcSwKPj4+ICAJaWYgKGZsdXNo X2RvbWFpbnMpIHsKPj4+ICAJCWZsYWdzIHw9IFBJUEVfQ09OVFJPTF9SRU5ERVJfVEFSR0VUX0NB Q0hFX0ZMVVNIOwo+Pj4gIAkJZmxhZ3MgfD0gUElQRV9DT05UUk9MX0RFUFRIX0NBQ0hFX0ZMVVNI Owo+Pj4gKwkJZmxhZ3MgfD0gUElQRV9DT05UUk9MX0RDX0ZMVVNIX0VOQUJMRTsKPj4+ICAJCWZs YWdzIHw9IFBJUEVfQ09OVFJPTF9GTFVTSF9FTkFCTEU7Cj4+PiAgCX0KPj4+ICAJaWYgKGludmFs aWRhdGVfZG9tYWlucykgewo+Pgo+PiAtLSAKPj4gSmFuaSBOaWt1bGEsIEludGVsIE9wZW4gU291 cmNlIFRlY2hub2xvZ3kgQ2VudGVyCgotLSAKSmFuaSBOaWt1bGEsIEludGVsIE9wZW4gU291cmNl IFRlY2hub2xvZ3kgQ2VudGVyCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNr dG9wLm9yZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50 ZWwtZ2Z4Cg==