From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kuoppala Subject: Re: [PATCH 2/3] drm/i915: Do only one posting read on forcewake put sequence Date: Wed, 28 Jan 2015 17:54:14 +0200 Message-ID: <87h9va99zt.fsf@gaia.fi.intel.com> References: <1422449006-4028-1-git-send-email-mika.kuoppala@intel.com> <1422449006-4028-2-git-send-email-mika.kuoppala@intel.com> <20150128125821.GC25850@nuc-i3427.alporthouse.com> <87r3uf825j.fsf@gaia.fi.intel.com> <20150128134849.GQ19354@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTP id 7945F6E729 for ; Wed, 28 Jan 2015 07:54:22 -0800 (PST) In-Reply-To: <20150128134849.GQ19354@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Ville =?utf-8?B?U3lyasOkbMOk?= Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org VmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbT4gd3JpdGVzOgoK PiBPbiBXZWQsIEphbiAyOCwgMjAxNSBhdCAwMzoyODo1NlBNICswMjAwLCBNaWthIEt1b3BwYWxh IHdyb3RlOgo+PiBDaHJpcyBXaWxzb24gPGNocmlzQGNocmlzLXdpbHNvbi5jby51az4gd3JpdGVz Ogo+PiAKPj4gPiBPbiBXZWQsIEphbiAyOCwgMjAxNSBhdCAwMjo0MzoyNVBNICswMjAwLCBNaWth IEt1b3BwYWxhIHdyb3RlOgo+PiA+PiBjb21taXQgMDVhMmZiMTU3ZTQ0YTUzYzc5MTMzODA1ZDMw ZWFhZGE0MzkxMTk0MQo+PiA+PiBBdXRob3I6IE1pa2EgS3VvcHBhbGEgPG1pa2Eua3VvcHBhbGFA bGludXguaW50ZWwuY29tPgo+PiA+PiBEYXRlOiAgIE1vbiBKYW4gMTkgMTY6MjA6NDMgMjAxNSAr MDIwMAo+PiA+PiAKPj4gPj4gICAgIGRybS9pOTE1OiBDb25zb2xpZGF0ZSBmb3JjZXdha2UgY29k ZQo+PiA+PiAKPj4gPj4gaW50cm9kdWNlZCBkb21haW4gaGFuZGxpbmcgd2hlcmUgZWFjaCBkb21h aW4gaGFzIGl0J3Mgb3duIHBvc3RpbmcKPj4gPj4gcmVhZCByZWdpc3RlcnMuIFRoaXMgY2hhbmdl ZCB0aGUgZm9yY2V3YWtlIHNlcXVlbmNlIG9uICdwdXQnIHNpZGUgd2hlbgo+PiA+PiB0aGVyZSBp cyBtdWx0aXBsZSBkb21haW5zIGFzIHRoZXJlIHdvdWxkIGJlIGV4dHJhIHJlYWQgYmV0d2VlbiB0 aGUgZG9tYWluCj4+ID4+IHB1dHMuIEFueSBwb3N0aW5nIHJlYWQgc2hvdWxkIGJlIGVub3VnaCB0 byBmbHVzaCBhbGwgdGhlIGNoYW5nZXMuCj4+ID4+IAo+PiA+PiBEbyBhIHBvc3RpbmcgcmVhZCBv bmx5IG9uY2UsIGF0IHRoZSBlbmQgb2YgdGhlIHNlcXVlbmNlIGFuZCBmb3IKPj4gPj4gdGhlIGZp cnN0IGRvbWFpbi4gTGlrZSBpdCB3YXMgYmVmb3JlLgo+PiA+PiAKPj4gPj4gQ2M6IENocmlzIFdp bHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVrPgo+PiA+PiBTaWduZWQtb2ZmLWJ5OiBNaWth IEt1b3BwYWxhIDxtaWthLmt1b3BwYWxhQGludGVsLmNvbT4KPj4gPgo+PiA+IGZ3aXcsIEkgd291 bGQgYXJndWUgdGhhdCB0aGUgcG9zdGluZyByZWFkIGluIF9nZXQoKSBpcyBzdXBlcmZsdW91cyBh cyB3ZQo+PiA+IHdpbGwgc2VyaWFsaXNlIHRoZSBmdyB3aXRoIG5vdCBvbmx5IHRoZSBhY2ssIGJ1 dCBhbnkgc3Vic2VxdWVudCBtbWlvLgo+PiA+Cj4+ID4gT24gdGhlIF9wdXQoKSBzaWRlIHdlIGRv IHdhbnQgdG8gZmx1c2ggdGhlIHdyaXRlIHNvIHRoYXQgdGhlIGh3IGNhbgo+PiA+IHBvd2VyIGRv d24gYXMgZWFybHkgYXMgcG9zc2libGUuIFNvIGp1c3Qga2lsbCB0aGUgcG9zdGluZyByZWFkIGZy b20gX2dldAo+PiA+IGFuZCBvdGhlcndpc2UgZHJvcCB0aGUgcGF0Y2guIDopCj4+IAo+PiBZZXMs IGJvdGggcHV0L2dldCBwYXRjaGVzIHNob3VsZCBiZSBkcm9wcGVkLiBJIHBvc3RlZCBhIHBhdGNo IHJlbW92aW5nCj4+IHRoZSBwb3N0aW5nIHJlYWQgb24gZ2V0IHNpZGUgYW5kIHdpdGggeW91ciBl eHBsYW5hdGlvbnMgaW4gY29tbWl0IG1lc3NhZ2UuCj4+IAo+PiBUaGlzIGFsbCBzdGFydHMgdG8g bWFrZSBzbyBtdWNoIHNlbnNlIHRoYXQgc29tZSBnZW4gaXMgYm91bmQgdG8gYnJlYWsgOykKPgo+ IElJUkMgdGhlIHBvc3RpbmcgcmVhZCBmcm9tIHNhbWUgY2FjaGUgbGluZSBhY3R1YWxseSBmaXhl ZCByZWFsIGJ1Z3MuIFNvCj4gSSdtIGEgYml0IHdvcnJpZWQgYWJvdXQgZHJvcHBpbmcgdGhlbS4g QnV0IEkgc3VwcG9zZSBpdCdzIHBvc3NpYmxlIG9ubHkKPiB0aGUgX3B1dCBzaWRlIHdhcyBpbXBv cnRhbnQgZm9yIHRob3NlIGJ1Z3MuCgpJIGZvdW5kIHRoZXNlOgoKY29tbWl0IDZhZjJkMTgwZjgy MTUxY2YzZDU4OTUyZTM1YTRmOTZlNDViYzQ1M2EKQXV0aG9yOiBEYW5pZWwgVmV0dGVyIDxkYW5p ZWwudmV0dGVyQGZmd2xsLmNoPgpEYXRlOiAgIFRodSBKdWwgMjYgMTY6MjQ6NTAgMjAxMiArMDIw MAoKICAgIGRybS9pOTE1OiBmaXggZm9yY2V3YWtlIHJlbGF0ZWQgaGFuZ3Mgb24gc25iCgpjb21t aXQgOGRlZTNlZWEzY2NkM2I2YzAwYThkM2EwOGRkNzE1ZDZhZGY3MzdkZApBdXRob3I6IEJlbiBX aWRhd3NreSA8YmVuQGJ3aWRhd3NrLm5ldD4KRGF0ZTogICBTYXQgU2VwIDEgMjI6NTk6NTAgMjAx MiAtMDcwMAoKICAgIGRybS9pOTE1OiBOZXZlciByZWFkIEZPUkNFV0FLRQoKaHR0cHM6Ly9idWdz LmZyZWVkZXNrdG9wLm9yZy9zaG93X2J1Zy5jZ2k/aWQ9NTE3MzgKaHR0cHM6Ly9idWdzLmZyZWVk ZXNrdG9wLm9yZy9zaG93X2J1Zy5jZ2k/aWQ9NTI0MjQKClRoZSBzbmIgaGVyZSBzZWVtcyB0byBz dXJ2aXZlIGdlbV9kdW1teV9yZWxvY19sb29wIGFuZApnZW1fcmluZ19zeW5jX2xvb3AgaW4gaGVy ZSB3aXRoIHRoZSBnZXQgc2lkZSBwb3N0aW5nIHJlbW92ZWQuCgotTWlrYQoKPgo+IC0tIAo+IFZp bGxlIFN5cmrDpGzDpAo+IEludGVsIE9UQwpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5m cmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3Rp bmZvL2ludGVsLWdmeAo=