From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH] drm/i915/opregion: work around buggy firmware that provides 8+ output devices Date: Mon, 08 Dec 2014 13:00:55 +0200 Message-ID: <8761dmo17c.fsf@intel.com> References: <52FAE504.8020001@intel.com> <20140212103156.GC5298@nuc-i3427.alporthouse.com> <52FC8C01.1040002@intel.com> <20140213100814.GM14909@nuc-i3427.alporthouse.com> <53045DD1.5010406@intel.com> <20140219073339.GA30685@srcf.ucam.org> <5304725A.3020909@intel.com> <20140304144504.GE17001@phenom.ffwll.local> <548505D2.8030904@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTP id 54CFE6E4C8 for ; Mon, 8 Dec 2014 03:01:21 -0800 (PST) In-Reply-To: <548505D2.8030904@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Aaron Lu , Daniel Vetter , Matthew Garrett , Chris Wilson Cc: "intel-gfx@lists.freedesktop.org" , jaime.91@hotmail.es, "Rafael J. Wysocki" , "linux-kernel@vger.kernel.org" , Oleksij Rempel , ACPI Devel Mailing List List-Id: intel-gfx@lists.freedesktop.org T24gTW9uLCAwOCBEZWMgMjAxNCwgQWFyb24gTHUgPGFhcm9uLmx1QGludGVsLmNvbT4gd3JvdGU6 Cj4gV2UgaGF2ZSBhIG5ldyBidWcgcmVwb3J0IHRoYXQgaGFzIHRoZSBzYW1lIHByb2JsZW06Cj4g aHR0cHM6Ly9idWd6aWxsYS5rZXJuZWwub3JnL3Nob3dfYnVnLmNnaT9pZD04ODk0MQo+Cj4gVGhl IHBvc3RlZCBwYXRjaCBzb2x2ZXMgdGhlIHByb2JsZW0uIEkga25vdyBpdCdzIG5vdCBwZXJmZWN0 LCBidXQgaXQKPiBkb2Vzbid0IHNlZW0gaXQgd291bGQgZG8gYW55IGhhcm0gdG8gZXhpc3Rpbmcg c3lzdGVtcyBzbyBzaG91bGQgYmUgc2FmZS4KPgo+IEJldHRlciwgaWYgc29tZW9uZSBjYW4gc2hl ZCBzb21lIGxpZ2h0IG9uIGhvdyB0aGlzIHNob3VsZCBiZSBwcm9wZXJseQo+IGhhbmRsZWQsIHRo YXQgd291bGQgYmUgZ3JlYXQuCgpUaGVyZSB3YXMgYSBidWcgcmVwb3J0IHRoYXQgSSBjYW4ndCBm aW5kIHJpZ2h0IG5vdyB0aGF0IGhhZCBhIHNpbWlsYXIKcHJvYmxlbS4gSSB3cm90ZSBhIGZldyBw YXRjaGVzLCBldmVuIHNvbWV3aGF0IHBvbGlzaGVkIG9uZXMgKHRoYXQgSSBub3cKcHVzaGVkIHRv IFsxXSBmb3IgcmVmZXJlbmNlKSB0byBoYW5kbGUgZXh0ZW5kZWQgRElETC4gVW5mb3J0dW5hdGVs eSB0aGlzCmRpZG4ndCBoZWxwIHRoZSBidWcgcmVwb3J0ZXIgYmVjYXVzZSB0aGUgcmlnaHQgb25l IHdhcyBiZXlvbmQgdGhlCmV4dGVuZGVkIERJREwgdG9vLCBzbyBJIGRvbid0IHRoaW5rIEkgZXZl biBzZW50IHRoZXNlIHRvIHRoZSBsaXN0LgoKQW55d2F5LCBqdXN0IG9uZSBtb3JlIGRhdGEgcG9p bnQuIFRoaXMgbWlnaHQgaGVscCB5b3VyIHJlcG9ydGVyLCBzbwp3b3J0aCBhIHRyeS4gQnV0IGl0 IGRvZXNuJ3Qgc29sdmUgZXZlcnl0aGluZy4KCgpCUiwKSmFuaS4KCgo+Cj4gVGhhbmtzLAo+IEFh cm9uCj4KPiBPbiAwMy8wNC8yMDE0IDEwOjQ1IFBNLCBEYW5pZWwgVmV0dGVyIHdyb3RlOgo+PiBP biBXZWQsIEZlYiAxOSwgMjAxNCBhdCAwNDo1OTowNlBNICswODAwLCBBYXJvbiBMdSB3cm90ZToK Pj4+IE9uIDAyLzE5LzIwMTQgMDM6MzMgUE0sIE1hdHRoZXcgR2FycmV0dCB3cm90ZToKPj4+PiBP biBXZWQsIEZlYiAxOSwgMjAxNCBhdCAwMzozMToyOVBNICswODAwLCBBYXJvbiBMdSB3cm90ZToK Pj4+Pgo+Pj4+PiBESUQyIGlzIGluIHN5c3RlbSBtZW1vcnkgcmVnaW9uIGFuZCBoYXMgc29tZSBh c3NpZ25lZCB2YWx1ZSBsaWtlIDB4NDAwCj4+Pj4+IHdoZW4gd2UgcmVhZCBpdC4gRm9yIHRoaXMg Y2FzZSBpdCBpcyBlYXN5IHNpbmNlIHRoZXJlIGlzIG9ubHkgb25lIG91dHB1dAo+Pj4+PiBkZXZp Y2UgdGhhdCBpcyBvZiB0eXBlIExWRFMgc28gd2UgY2FuIG1hdGNoIGl0IHRvIGNvbm5lY3RvciBv ZiB0eXBlIGVEUAo+Pj4+PiBvciBMVkRTLCBzdXBwb3NlIHRoZXJlIGlzIG9ubHkgb25lIHN1Y2gg Y29ubmVjdG9yLiBCdXQgZm9yIG91dHB1dAo+Pj4+PiBkZXZpY2VzJyB3aG9zZSBfQURSIGhhcyB0 aGUgdmFsdWUgb2YgMHgzMDEsIDB4MzAyLCBldGMuIEkgaGF2ZSBubyBpZGVhCj4+Pj4+IGhvdyB0 byBtYXRjaCB0aGVtIHVwIHRvIHRoZSBjb25uZWN0b3JzIG9mIHRoYXQgdHlwZSBhcyB3ZSBjYW4n dCBiZSBzdXJlCj4+Pj4+IHRoZSBwcm9iZSBvcmRlciB3ZSBoYXZlIHVzZWQgaW4gaTkxNSBkcml2 ZXIgaXMgdGhlIHNhbWUgYXMgQklPUycuCj4+Pj4KPj4+PiBOb24tc3RhbmRhcmQgX0FEUiB2YWx1 ZXMgYXJlIGFzc2lnZW5kIGJ5IHRoZSBHUFUgdmVuZG9yLCBzbyBJbnRlbCBzaG91bGQgCj4+Pj4g YmUgYWJsZSB0byBwcm92aWRlIHlvdSB3aXRoIHRoZSBjb3JyZWN0IGludGVycHJldGF0aW9ucy4K Pj4+Cj4+PiBJdCBkb2Vzbid0IHNlZW0gdGhlIF9BRFIgdmFsdWUgaGFzIHRvIGJlIHRoZSBmb3Jt YXQgZGVmaW5lZCBieSBfRE9ELCBhcwo+Pj4gdGhlIGV4YW1wbGUgb2YgdGhlIEFDUEkgc3BlYyBn aXZlczoKPj4+IE1ldGhvZCAoX0FEUiwgMCkgewo+Pj4gICAgIHJldHVybigweDAxMDApCj4+PiB9 Cj4+PiBTbyB0aGF0IGlzIG5vdCB0aGUgcHJvYmxlbSBoZXJlLgo+Pj4KPj4+IFRoZSBwcm9ibGVt IGlzLCB3ZSBkb24ndCBoYXZlIGFueSB3YXkgb2YgbWF0Y2hpbmcgYW4gQUNQSSBvdXRwdXQgZGV2 aWNlCj4+PiBub2RlIHRvIGEgZHJtIGNvbm5lY3RvciBvZiB0aGUgc2FtZSB0eXBlIHdoZW4gdGhl cmUgYXJlIG1vcmUgdGhhbiAxIG9mCj4+PiB0aG9zZSB3aXRoIHRoZSBzYW1lIHR5cGUsIGkuZS4g d2UgZG9uJ3Qga25vdyBob3cgdGhlIGluZGV4IHZhbHVlIGFyZQo+Pj4gYXNzaWduZWQgYnkgQklP Uy4KPj4gCj4+IEkndmUgdGhvdWdodCB0aGUgT3BSZWdpb24gc3BlYyBoYXMgc29tZSBhZGRpdGlv bmFsIGZpZWxkcyBpbiB0aGVyZQo+PiBpbmRpY2F0aW5nIHRoZSBwb3J0IG51bWJlciwgd2hpY2gg d2UgY291bGQgbWF0Y2ggdXAgYXQgbGVhc3Qgb24gbW9kZXJuCj4+IHBsYXRmb3JtcyAod2hlcmUg dGhlcmUncyBvbmx5IGV2ZXIgcG9ydCBBLUUpLiBCdXQgdGhhdCdzIHZlcnkgaGF6eQo+PiByZWNv bGxlY3Rpb24gZnJvbSBhIHJlYWxseSBvbGQgT3BSZWdpb24gc3BlYywgaS5lLiBJIGhhdmUgbm8g Ymxvb2R5IGNsdWUKPj4gYXQgYWxsIDstKQo+PiAKPj4gSWYgSSBtaXNyZW1lbWJlciB0aGlzIHRo ZW4gd2UgbmVlZCB0byBzdGFydCBvbiBhIGJlZ2dpbmcgdG91ciBhZ2FpbiBhbmQKPj4gYXNrIHRo ZSB3aW5kb3dzIGd1eXMgaG93IHRoaXMgaXMgYWxsIHN1cHBvc2VkIHRvIHdvcmsgLi4uCj4+IC1E YW5pZWwKPj4gCj4KCi0tIApKYW5pIE5pa3VsYSwgSW50ZWwgT3BlbiBTb3VyY2UgVGVjaG5vbG9n eSBDZW50ZXIKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18K SW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0 dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK