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 15:28:56 +0200 Message-ID: <87r3uf825j.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> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTP id 1F3376E6D8 for ; Wed, 28 Jan 2015 05:32:03 -0800 (PST) In-Reply-To: <20150128125821.GC25850@nuc-i3427.alporthouse.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org Q2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+IHdyaXRlczoKCj4gT24gV2Vk LCBKYW4gMjgsIDIwMTUgYXQgMDI6NDM6MjVQTSArMDIwMCwgTWlrYSBLdW9wcGFsYSB3cm90ZToK Pj4gY29tbWl0IDA1YTJmYjE1N2U0NGE1M2M3OTEzMzgwNWQzMGVhYWRhNDM5MTE5NDEKPj4gQXV0 aG9yOiBNaWthIEt1b3BwYWxhIDxtaWthLmt1b3BwYWxhQGxpbnV4LmludGVsLmNvbT4KPj4gRGF0 ZTogICBNb24gSmFuIDE5IDE2OjIwOjQzIDIwMTUgKzAyMDAKPj4gCj4+ICAgICBkcm0vaTkxNTog Q29uc29saWRhdGUgZm9yY2V3YWtlIGNvZGUKPj4gCj4+IGludHJvZHVjZWQgZG9tYWluIGhhbmRs aW5nIHdoZXJlIGVhY2ggZG9tYWluIGhhcyBpdCdzIG93biBwb3N0aW5nCj4+IHJlYWQgcmVnaXN0 ZXJzLiBUaGlzIGNoYW5nZWQgdGhlIGZvcmNld2FrZSBzZXF1ZW5jZSBvbiAncHV0JyBzaWRlIHdo ZW4KPj4gdGhlcmUgaXMgbXVsdGlwbGUgZG9tYWlucyBhcyB0aGVyZSB3b3VsZCBiZSBleHRyYSBy ZWFkIGJldHdlZW4gdGhlIGRvbWFpbgo+PiBwdXRzLiBBbnkgcG9zdGluZyByZWFkIHNob3VsZCBi ZSBlbm91Z2ggdG8gZmx1c2ggYWxsIHRoZSBjaGFuZ2VzLgo+PiAKPj4gRG8gYSBwb3N0aW5nIHJl YWQgb25seSBvbmNlLCBhdCB0aGUgZW5kIG9mIHRoZSBzZXF1ZW5jZSBhbmQgZm9yCj4+IHRoZSBm aXJzdCBkb21haW4uIExpa2UgaXQgd2FzIGJlZm9yZS4KPj4gCj4+IENjOiBDaHJpcyBXaWxzb24g PGNocmlzQGNocmlzLXdpbHNvbi5jby51az4KPj4gU2lnbmVkLW9mZi1ieTogTWlrYSBLdW9wcGFs YSA8bWlrYS5rdW9wcGFsYUBpbnRlbC5jb20+Cj4KPiBmd2l3LCBJIHdvdWxkIGFyZ3VlIHRoYXQg dGhlIHBvc3RpbmcgcmVhZCBpbiBfZ2V0KCkgaXMgc3VwZXJmbHVvdXMgYXMgd2UKPiB3aWxsIHNl cmlhbGlzZSB0aGUgZncgd2l0aCBub3Qgb25seSB0aGUgYWNrLCBidXQgYW55IHN1YnNlcXVlbnQg bW1pby4KPgo+IE9uIHRoZSBfcHV0KCkgc2lkZSB3ZSBkbyB3YW50IHRvIGZsdXNoIHRoZSB3cml0 ZSBzbyB0aGF0IHRoZSBodyBjYW4KPiBwb3dlciBkb3duIGFzIGVhcmx5IGFzIHBvc3NpYmxlLiBT byBqdXN0IGtpbGwgdGhlIHBvc3RpbmcgcmVhZCBmcm9tIF9nZXQKPiBhbmQgb3RoZXJ3aXNlIGRy b3AgdGhlIHBhdGNoLiA6KQoKWWVzLCBib3RoIHB1dC9nZXQgcGF0Y2hlcyBzaG91bGQgYmUgZHJv cHBlZC4gSSBwb3N0ZWQgYSBwYXRjaCByZW1vdmluZwp0aGUgcG9zdGluZyByZWFkIG9uIGdldCBz aWRlIGFuZCB3aXRoIHlvdXIgZXhwbGFuYXRpb25zIGluIGNvbW1pdCBtZXNzYWdlLgoKVGhpcyBh bGwgc3RhcnRzIHRvIG1ha2Ugc28gbXVjaCBzZW5zZSB0aGF0IHNvbWUgZ2VuIGlzIGJvdW5kIHRv IGJyZWFrIDspCgotTWlrYQoKPiAtQ2hyaXMKPgo+IC0tIAo+IENocmlzIFdpbHNvbiwgSW50ZWwg T3BlbiBTb3VyY2UgVGVjaG5vbG9neSBDZW50cmUKX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlz dHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9s aXN0aW5mby9pbnRlbC1nZngK