From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave Gordon Subject: Re: [PATCH v2] drm/i915: Reset CSB read pointer in ring init Date: Fri, 09 Jan 2015 16:54:05 +0000 Message-ID: <54B007AD.7070103@intel.com> References: <1420646970-4897-1-git-send-email-thomas.daniel@intel.com> <1420801777-26343-1-git-send-email-thomas.daniel@intel.com> 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 4721C6E8E5 for ; Fri, 9 Jan 2015 08:54:07 -0800 (PST) In-Reply-To: <1420801777-26343-1-git-send-email-thomas.daniel@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: "Daniel, Thomas" , "intel-gfx@lists.freedesktop.org" Cc: Daniel Vetter , "Zanoni, Paulo R" List-Id: intel-gfx@lists.freedesktop.org T24gMDkvMDEvMTUgMTE6MDksIERhbmllbCwgVGhvbWFzIHdyb3RlOgo+IEEgcHJldmlvdXMgY29t bWl0IGVuYWJsZWQgZXhlY2xpc3RzIGJ5IGRlZmF1bHQ6Cj4gCj4gICAgICAgIGNvbW1pdCAyNzQw MWQxMjZiNWIgKCJkcm0vaTkxNS9iZHc6IEVuYWJsZSBleGVjbGlzdHMgYnkgZGVmYXVsdCB3aGVy ZSBzdXBwb3J0ZWQiKQo+IAo+IFRoaXMgYWxsb3dlZCByb3V0aW5lIHRlc3Rpbmcgb2YgZXhlY2xp c3RzIHdoaWNoIGV4cG9zZWQgYSByZWdyZXNzaW9uIHdoZW4KPiByZXN1bWluZyBmcm9tIHN1c3Bl bmQuICBUaGUgY2F1c2Ugd2FzIHRyYWNrZWQgZG93biB0aGUgdG8gcmVjZW50IGNoYW5nZXMgdG8g dGhlCj4gcmluZyBpbml0IHNlcXVlbmNlOgo+IAo+ICAgICAgICBjb21taXQgMzVhNTdmZmJiMTA4 ICgiZHJtL2k5MTU6IE9ubHkgaW5pdCBlbmdpbmVzIG9uY2UiKQo+IAo+IER1cmluZyBhIHN1c3Bl bmQvcmVzdW1lIGN5Y2xlIHRoZSBoYXJkd2FyZSBDb250ZXh0IFN0YXR1cyBCdWZmZXIgd3JpdGUg cG9pbnRlcgo+IGlzIHJlc2V0LiAgSG93ZXZlciBzaW5jZSB0aGUgcmVjZW50IGNoYW5nZXMgdG8g dGhlIGluaXQgc2VxdWVuY2UgdGhlIHNvZnR3YXJlIENTQgo+IHJlYWQgcG9pbnRlciBpcyBubyBs b25nZXIgcmVzZXQuICBUaGlzIG1lYW5zIHRoYXQgY29udGV4dCBzdGF0dXMgZXZlbnRzIGFyZSBu b3QKPiBoYW5kbGVkIGNvcnJlY3RseSBhbmQgbmV3IGNvbnRleHRzIGFyZSBub3Qgd3JpdHRlbiB0 byB0aGUgRUxTUCwgcmVzdWx0aW5nIGluIGFuCj4gYXBwYXJlbnQgR1BVIGhhbmcuCj4gCj4gUGVu ZGluZyBmdXJ0aGVyIGNoYW5nZXMgdG8gdGhlIHJpbmcgaW5pdCBjb2RlLCBqdXN0IG1vdmUgdGhl Cj4gcmluZy0+bmV4dF9jb250ZXh0X3N0YXR1c19idWZmZXIgaW5pdGlhbGl6YXRpb24gaW50byBn ZW44X2luaXRfY29tbW9uX3JpbmcgdG8KPiBmaXggdGhpcyByZWdyZXNzaW9uLgo+IAo+IHYyOiBN b3ZlZCBpbml0IGludG8gZ2VuOF9pbml0X2NvbW1vbl9yaW5nIHJhdGhlciB0aGFuIGNvbnRleHRf ZW5hYmxlIGFmdGVyCj4gZmVlZGJhY2sgZnJvbSBEYW5pZWwgVmV0dGVyLiAgVXBkYXRlZCBjb21t aXQgbXNnIHRvIHJlZmxlY3QgdGhpcyBhbmQgYWxzbyBjaXRlCj4gY29tbWl0cyByZWxhdGVkIHRv IHRoZSByZWdyZXNzaW9uLiAgRml4ZWQgYnogbGluayB0byBjb3JyZWN0IGJ1Zy4KPiAKPiBCdWd6 aWxsYTogaHR0cHM6Ly9idWdzLmZyZWVkZXNrdG9wLm9yZy9zaG93X2J1Zy5jZ2k/aWQ9ODgwOTYK PiBDYzogUGF1bG8gWmFub25pIDxwYXVsby5yLnphbm9uaUBpbnRlbC5jb20+Cj4gQ2M6IERhbmll bCBWZXR0ZXIgPGRhbmllbC52ZXR0ZXJAZmZ3bGwuY2g+Cj4gQ2M6IERhdmUgR29yZG9uIDxkYXZp ZC5zLmdvcmRvbkBpbnRlbC5jb20+Cj4gU2lnbmVkLW9mZi1ieTogVGhvbWFzIERhbmllbCA8dGhv bWFzLmRhbmllbEBpbnRlbC5jb20+Cj4gLS0tCj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVs X2xyYy5jIHwgICAgMiArLQo+ICAxIGZpbGUgY2hhbmdlZCwgMSBpbnNlcnRpb24oKyksIDEgZGVs ZXRpb24oLSkKPiAKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfbHJj LmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9scmMuYwo+IGluZGV4IDc2NzBhMGYuLmU0 MDViNjEgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfbHJjLmMKPiAr KysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9scmMuYwo+IEBAIC0xMTM3LDYgKzExMzcs NyBAQCBzdGF0aWMgaW50IGdlbjhfaW5pdF9jb21tb25fcmluZyhzdHJ1Y3QgaW50ZWxfZW5naW5l X2NzICpyaW5nKQo+ICAJCSAgIF9NQVNLRURfQklUX0RJU0FCTEUoR0ZYX1JFUExBWV9NT0RFKSB8 Cj4gIAkJICAgX01BU0tFRF9CSVRfRU5BQkxFKEdGWF9SVU5fTElTVF9FTkFCTEUpKTsKPiAgCVBP U1RJTkdfUkVBRChSSU5HX01PREVfR0VONyhyaW5nKSk7Cj4gKwlyaW5nLT5uZXh0X2NvbnRleHRf c3RhdHVzX2J1ZmZlciA9IDA7Cj4gIAlEUk1fREVCVUdfRFJJVkVSKCJFeGVjbGlzdHMgZW5hYmxl ZCBmb3IgJXNcbiIsIHJpbmctPm5hbWUpOwo+ICAKPiAgCW1lbXNldCgmcmluZy0+aGFuZ2NoZWNr LCAwLCBzaXplb2YocmluZy0+aGFuZ2NoZWNrKSk7Cj4gQEAgLTEzOTQsNyArMTM5NSw2IEBAIHN0 YXRpYyBpbnQgbG9naWNhbF9yaW5nX2luaXQoc3RydWN0IGRybV9kZXZpY2UgKmRldiwgc3RydWN0 IGludGVsX2VuZ2luZV9jcyAqcmluCj4gIAlJTklUX0xJU1RfSEVBRCgmcmluZy0+ZXhlY2xpc3Rf cXVldWUpOwo+ICAJSU5JVF9MSVNUX0hFQUQoJnJpbmctPmV4ZWNsaXN0X3JldGlyZWRfcmVxX2xp c3QpOwo+ICAJc3Bpbl9sb2NrX2luaXQoJnJpbmctPmV4ZWNsaXN0X2xvY2spOwo+IC0JcmluZy0+ bmV4dF9jb250ZXh0X3N0YXR1c19idWZmZXIgPSAwOwo+ICAKPiAgCXJldCA9IGk5MTVfY21kX3Bh cnNlcl9pbml0X3JpbmcocmluZyk7Cj4gIAlpZiAocmV0KQo+IAoKTEdUTS4KUmV2aWV3ZWQtYnk6 IERhdmUgR29yZG9uIDxkYXZpZC5zLmdvcmRvbkBpbnRlbC5jb20+CgpfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0Cklu dGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9y Zy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=