From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH] drm/i915: Initialize HWS page address after GPU reset Date: Thu, 18 Jun 2015 16:53:42 +0200 Message-ID: <20150618145342.GE7752@phenom.ffwll.local> References: <1433272019-21818-1-git-send-email-arun.siluvery@linux.intel.com> <20150603161401.GI5176@intel.com> <5582D018.7080302@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-wi0-f169.google.com (mail-wi0-f169.google.com [209.85.212.169]) by gabe.freedesktop.org (Postfix) with ESMTP id A7DD96E158 for ; Thu, 18 Jun 2015 07:50:57 -0700 (PDT) Received: by wicnd19 with SMTP id nd19so63110891wic.1 for ; Thu, 18 Jun 2015 07:50:56 -0700 (PDT) Content-Disposition: inline In-Reply-To: <5582D018.7080302@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: "Siluvery, Arun" Cc: intel-gfx List-Id: intel-gfx@lists.freedesktop.org T24gVGh1LCBKdW4gMTgsIDIwMTUgYXQgMDM6MDU6MTJQTSArMDEwMCwgU2lsdXZlcnksIEFydW4g d3JvdGU6Cj4gT24gMTUvMDYvMjAxNSAwNjoyMCwgRGFuaWVsIFZldHRlciB3cm90ZToKPiA+T24g V2VkLCBKdW4gMywgMjAxNSBhdCA2OjE0IFBNLCBWaWxsZSBTeXJqw6Rsw6QKPiA+PHZpbGxlLnN5 cmphbGFAbGludXguaW50ZWwuY29tPiB3cm90ZToKPiA+Pkkgd2FzIGdvaW5nIHRvIHN1Z2dlc3Qg cmVtb3ZpbmcgdGhlIHNhbWUgdGhpbmcgZnJvbSB0aGUKPiA+PmxyY19zZXR1cF9oYXJkd2FyZV9z dGF0dXNfcGFnZSgpLCBidXQgYWZ0ZXIgYW5vdGhlciBsb29rIGl0IHNlZW1zIHdlCj4gPj5zb21l dGltZXMgY2FsbCAuaW5pdF9odygpIGJlZm9yZSB0aGUgY29udGV4dCBzZXR1cC4gV291bGQgYmUg bmljZSB0bwo+ID4+aGF2ZSBhIG1vcmUgY29uc2lzdGVudCBzZXF1ZW5jZSBmb3IgaW5pdCBhbmQg cmVzZXQuIEJ1dCBhbnl3YXkgdGhlIHBhdGNoCj4gPj5sb29rcyBPSyB0byBtZS4gSSB2ZXJpZmll ZCB0aGF0IHdlIGluZGVlZCBsb3NlIHRoaXMgcmVnaXN0ZXIgb24gR1BVCj4gPj5yZXNldC4KPiA+ Cj4gPlllcCwgdGhpcyBpcyBhIG1lc3MuIEFuZCBoaXN0b3JpY2FsbHkgX2FueV8gZGlmZmVyZW5j ZSBiZXR3ZWVuIGRyaXZlcgo+ID5sb2FkIGFuZCBncHUgcmVzZXQgKG9yIHJlc3VtZSBmd2l3KSBo YXMgbGVhZCB0byBoaWxhcmlvdXMgYnVncywgc28KPiA+dGhpcyBkaWZmZXJlbmNlIGlzIHJlYWxs eSB0cm91YmxpbmcgdG8gbWUuIEFydW4sIGNhbiB5b3UgcGxlYXNlIHdvcmsKPiA+b24gYSBwYXRj aCB0byB1bmlmeSB0aGUgc2V0dXAgc2VxdWVuY2UgaGVyZSwgc28gdGhhdCBib3RoIGRyaXZlciBs b2FkCj4gPmdwdSByZXNldHMgd29yayB0aGUgc2FtZSB3YXk/IEJ5IHRoZSB0aW1lIHdlJ3JlIGNh bGxpbmcgZ2VtX2luaXRfaHcKPiA+dGhlIGRlZmF1bHQgY29udGV4dCBzaG91bGQgaGF2ZSBiZWVu IGNyZWF0ZWQgYWxyZWFkeSwgYW5kIGhlbmNlIHdlCj4gPnNob3VsZCBiZSBhYmxlIHRvIHdyaXRl IHRvIEhXU19QR0EgaW4gcmluZy0+aW5pdF9odyBvbmx5Lgo+ID4KPiAKPiBIaSBEYW5pZWwsCj4g Cj4gSSB0aGluayB0aGUgcHJvYmxlbSBpbiB0aGlzIGNhc2Ugd2FzIHRoZSBjb2RlIHRvIGluaXQg SFdTIHBhZ2UgYWZ0ZXIgcmVzZXQKPiB3YXMgbWlzc2luZyBmb3IgR2VuOCsuIEZvciBHZW43IHdl IGFyZSBkb2luZyB0aGlzIGFzIHBhcnQgb2YgcmluZy0+aW5pdF9ody4KPiAKPiBHZW43Ogo+IGk5 MTVfcmVzZXQoKQo+ICstLT4gaTkxNV9nZW1faW5pdF9odygpCj4gKy0tLS0tLT4gcmluZy0+aW5p dF9odygpIHdoaWNoIGlzIGluaXRfcmVuZGVyX3JpbmcoKQo+ICstLS0tLS0tLS0tPiBpbml0X3Jp bmdfY29tbW9uKCkKPiArLS0tLS0tLS0tLS0tPiBpbnRlbF9yaW5nX3NldHVwX3N0YXR1c19wYWdl KCkKPiAKPiBHZW44Ogo+IGk5MTVfcmVzZXQoKQo+ICstLT4gaTkxNV9nZW1faW5pdF9odygpCj4g Ky0tLS0tLT4gcmluZy0+aW5pdF9odygpIHdoaWNoIGlzIGdlbjhfaW5pdF9yZW5kZXJfcmluZygp Cj4gKy0tLS0tLS0tPiBnZW44X2luaXRfY29tbW9uX3JpbmcoKSAtIEkgYWRkZWQgY2hhbmdlcyBp biB0aGlzIGZ1bmN0aW9uLgo+IAo+IFdlIGNvdWxkIHByb2JhYmx5IHVzZSBpbnRlbF9yaW5nX3Nl dHVwX3N0YXR1c19wYWdlKCkgZm9yIGJvdGggY2FzZXMsIGRvZXMgaXQKPiBoYXZlIHRvIGJlIEdl bjcgc3BlY2lmaWM/CgpNeSBjb25jZXJuIGlzbid0IHRoYXQgd2UgaGF2ZSB0d28gZnVuY3Rpb25z IGRvaW5nIGh3cyBzZXR1cC4gTXkgY29uY2VybiBpcwp0aGF0IHdlIG5vdyBoYXZlIDIgY2FsbHNp dGVzIGZvciBleGVjbGlzdCBtb2RlIGRvaW5nIGh3cyBzZXR1cCwgd2l0aApzbGlnaHQgZGlmZmVy ZW5jZXMgYmV0d2VlbiByZXNldC9kcml2ZXIgbG9hZCBhbmQgcmVzdW1lLgoKSSB3YW50IG9uZSwg dW5jb25kaXRpb25hbCBjYWxsIHRvIHNldCB1cCB0aGUgaHdzIHBhZ2UgYXQgZXhhY3RseSB0aGUg cmlnaHQKcGxhY2UgaW4gdGhlIHNldHVwIHNlcXVlbmNlLiBUaGF0IG1pZ2h0IHJlcXVpcmUgc29t ZSByZWZhY3RvcmluZywgSQpoYXZlbid0IGxvb2tlZCB0aGF0IGNsb3NlbHkgYXQgaW50ZWxfbHJj LmMKClRoZSB1c3VhbCBhcHByb2FjaCBpcyB0aGF0IGdlbV9pbml0IGRvZXMgZXhjbHVzaXZlbHkg c29mdHdhcmUgc2V0dXAsIGFuZApnZW1faW5pdF9odyBkb2VzIGFsbCB0aGUgcmVnaXN0ZXIgd3Jp dGVzIGFuIGFjdHVhbCBlbmFibGluZy4gSSB0aGluayB0aGUKaHdzIHNldHVwIGluIHRoZSBkcml2 ZXIgbG9hZCBjb2RlIGlzIGN1cnJlbnRseSBjYWxsZWQgZnJvbSBnZW1faW5pdCgpLAp3aGljaCBp cyB0aGUgd3JvbmcgcGxhY2UuCgo+ID5BbHNvIEkgd29uZGVyIGFib3V0IHJlc3VtZSwgd2hlcmUn cyB0aGUgSFdTX1BHQSByZXN0b3JlIGZvciB0aGF0IGNhc2U/Cj4gSXQgaXMgY292ZXJlZC4KPiAK PiBpOTE1X2RybV9yZXN1bWUoKQo+ICstLT5pOTE1X2dlbV9pbml0X2h3CgpPaywgc28gc2hvdWxk IGJlIGNvdmVyZWQgd2l0aCB3aGF0ZXZlciBmaXggd2UgaGF2ZSBmb3IgZ3B1IHJlc2V0LgoKVGhh bmtzLCBEYW5pZWwKLS0gCkRhbmllbCBWZXR0ZXIKU29mdHdhcmUgRW5naW5lZXIsIEludGVsIENv cnBvcmF0aW9uCmh0dHA6Ly9ibG9nLmZmd2xsLmNoCl9fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxp c3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4v bGlzdGluZm8vaW50ZWwtZ2Z4Cg==