From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH 0/5] drm/i915 Avoid long delays when reading EDID on eDP Date: Wed, 26 Nov 2014 09:57:55 +0100 Message-ID: <20141126085755.GE32117@phenom.ffwll.local> References: <1416849387-20984-1-git-send-email-eich@suse.de> <20141125131335.GK25711@phenom.ffwll.local> <21620.47697.32305.320374@linux-qknr.fritz.box> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-wi0-f178.google.com (mail-wi0-f178.google.com [209.85.212.178]) by gabe.freedesktop.org (Postfix) with ESMTP id 1B54B6E152 for ; Wed, 26 Nov 2014 00:57:30 -0800 (PST) Received: by mail-wi0-f178.google.com with SMTP id hi2so4145951wib.11 for ; Wed, 26 Nov 2014 00:57:29 -0800 (PST) Content-Disposition: inline In-Reply-To: <21620.47697.32305.320374@linux-qknr.fritz.box> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Egbert Eich Cc: Egbert Eich , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gVHVlLCBOb3YgMjUsIDIwMTQgYXQgMDY6MjA6MTdQTSArMDEwMCwgRWdiZXJ0IEVpY2ggd3Jv dGU6Cj4gRGFuaWVsIFZldHRlciB3cml0ZXM6Cj4gCj4gID4gSW1vIHRoaXMgYXBwcm9hY2ggd2l0 aCBvdmVyd3JpdGUgYWxsIHRoZSBlbnRyeSBwb2ludHMgd29uJ3Qgc2NhbGUgc2luY2UKPiAgPiBi ZXNpZGVzIGkyYyBhbmQgZHBjZCB0aGVyZSB3aWxsIGJlIG1vcmUgc29vbmVyIG9yIGxhdGVyIChv dWksIGRwIG1zdCwgc29tZQo+ICA+IGRlYnVnZnMgdXNlcnNwYWNlIGRwIGF1eCB0b29scywgLi4u KS4KPiAgPiAKPiAgPiBJIHRoaW5rIHdoYXQgd2UgbmVlZCBpcyB0aGUgc2FtZSBhcyBpbiB0aGUg aTJjIGxheWVyIGhhcyB3aXRoIHRoZQo+ICA+IHhmZXJfcHJlL3Bvc3QgZnVuY3Rpb25zLiBUbyBt YWtlIHRoaXMgYXMgcGFpbmxlc3MgYXMgcG9zc2libGUgd2Ugc2hvdWxkCj4gID4gcHJvYmFibHkg cmVmY291bnQgdGhhdCBpbiB0aGUgZHAgaGVscGVyLCBwcm90ZWN0ZWQgYnkgYXV4LT5od19tdXRl eC4gVGhhdAo+ICA+IHdheSBub3JtYWwgZHAgcmVhZHMgY291bGQganVzdCBkbyB0aGUgeGZlcl9w cmUvcG9zdCBhcm91bmQgdGhlIGNhbGwgdG8KPiAgPiBhdXgtPnRyYW5zZmVyIHdoaWxlIGkyYyBj b3VsZCBkbyBpdCBhcm91bmQgdGhlIGVudGlyZSBpMmMgdHJhbnNhY3Rpb24uCj4gCj4gSSBhZ3Jl ZSB3aXRoIHlvdXIgaWRlYSBvZiBoYXZpbmcgeGZlcl9wcmUvcG9zdCBmdW5jdGlvbnMuIAo+IEkn bSBub3Qgc3VyZSB0aG91Z2ggaWYgSSB1bmRlcnN0YW5kIHlvdXIgaWRlYSBhYm91dCByZWZlcmVu Y2UgY291bnRlcnM6Cj4gYXJlIHlvdSB0cnlpbmcgdG8gcHJvdGVjdCBmcm9tIHhmZXJfcHJlL3Bv c3QgYmVpbmcgY2FsbGVkIGF0IGRpZmZlcmVudAo+IGxldmVscyBoZXJlPyAKPiBXaXRoIG15IHBy b3Bvc2FsIGVudGlyZSB0cmFuc2FjdGlvbnMgKEkyQykgYXJlIHNlcmlhbGl6ZWQgdGhydSB0aGUg cHBzX211dGV4IAo+IGxvY2suIFRoaXMgaXMgYSBzaWRlIGVmZmVjdCB0aGF0J3MgcHJvYmFibHkg dW53YW50ZWQuIElzIHRoaXMgd2hhdCB5b3UgYXJlCj4gdHJ5aW5nIHRvIGF2b2lkIGJ5IHVzaW5n IHJlZiBjb3VudGVycz8KClllYWggSSB3YW50IHRvIHByb3RlY3QgZW50aXJlIHRyYW5zYWN0aW9u cyBhdCB0aGUgaGlnaGVzdCBsZXZlbHMgd2l0aAp4ZmVyX3ByZS9wb3N0LiBUaGUgcHJvYmxlbSBp cyB0aGF0IHRoaW5ncyBuZXN0IGFuZCB3ZSBjYW4ndCBncmFiCnN1ZmZpY2llbnQgbG9ja2luZyB0 byBwcmV2ZW50IHRoYXQgbmVzdGluZy4gRS5nLiBmb3IgaTJjIHdlIHNob3VsZCBkbyB0aGUKZHBf YXV4IHhmZXJfcHJlL3Bvc3QgY2FsbHMgZnJvbSBpMmMgeGZlcl9wcmUvcG9zdCAoc28gdGhhdCB0 aGUgZW50aXJlIGVkaWQKcmVhZCBvbmx5IGhhcyBvbmUgcHJlL3Bvc3QsIGFzc3VtaW5nIG5vIHJl dHJpZXMpLiBCdXQgdGhlIGkyYyBsb2NrIHdoaWNoCnByb3RlY3RzIHRoYXQgZG9lc24ndCBwcm90 ZWN0IGFnYWluc3QgY29uY3VycmVudCBkcCBhdXggdHJhbnNhY3Rpb25zIGZyb20Kc29tZW9uZSBl bHNlIChlLmcuIGRwIG1zdCBpcyBkb25lIHdpdGhvdXQgbW9kZXNldCBsb2Nrcywgb3IgaWYgd2Ug ZXZlciBnZXQKYSB1c2Vyc3BhY2UgaW50ZXJmYWNlIGZvciBkZWJ1Z2dpbiBkYiBpc3N1ZXMpLiBT byBkaXJlY3QgZHAgYXV4IGFnYWluCm5lZWRzIHRvIGRvIHhmZXJfcHJlL3Bvc3QuIFNhbWUgZm9y IGRwIG1zdCwgd2UgbWlnaHQgd2FudCB0byB3cmFwIGFuCmVudGlyZSBkcCBtc3QgdHJhbnNhY3Rp b24gd2l0aCB0aGlzLCBidXQgdGhlIGxvdy1sZXZlbCBjb2RlIG1pZ2h0IG5vdCBub3cuCgpIZW5j ZSB3aHkgSSB0aGluayB3ZSBzaG9sZCBoYXZlIGEgcmVmY291bnQgZm9yIHByZS9wb3N0IHBsdXMg c21hbGwgaGVscGVycwooYXRtIGp1c3Qgc3RhdGljLCB3ZSBjYW4gZXhwb3J0IG9uY2Ugd2UgbmVl ZCB0aGVtKSBsaWtlIHRoaXMKCmRybV9kcF9hdXhfeGZlcl9wcmUoZHBfYXV4KQp7CgltdXRleF9s b2NrKGRwX2F1eC0+aHdfbG9jaykKCWlmIChkcF9hdXgtPnhmZXJfY291bnQrKyA9PSAwKQoJCWRw X2F1eC0+eGZlcl9wcmUoKTsKCW11dGV4X3VubG9jayhkcF9hdXgtPmh3X2xvY2spCn0KClNhbWUg Zm9yIHhmZXJfcG9zdC4gVGhlbiB3ZSBjb3VsZCB3aXJlIHRoYXQgdXAgZm9yIGkyYy1vdmVyLWRw IGFuZCBmb3IgdGhlCmxvdy1sZXZlbCBkcCB4ZmVyIGZ1bmN0aW9ucyBhbmQgaXQgc2hvdWxkIGFs bCBKdXN0IFdvcmsuIEFuZCBpZiB0aGVyZSdzIGEKbmV3IHBlcmYgY3JpdGljYWwgY2FzZSB3aGVy ZSB3ZSB3YW50IHRvIGRvIHRoaXMgb3ZlciBhbiBlbnRpcmUgc2VyaWVzIG9mCnRyYW5zYWN0aW5v cyB3ZSBjYW4ganVzdCBjYWxsIHRoZSB0d28geGZlcl9wcmUvcG9zdCB3cmFwcGVycyBhbmQgZG9u ZS4KCkNoZWVycywgRGFuaWVsCi0tIApEYW5pZWwgVmV0dGVyClNvZnR3YXJlIEVuZ2luZWVyLCBJ bnRlbCBDb3Jwb3JhdGlvbgorNDEgKDApIDc5IDM2NSA1NyA0OCAtIGh0dHA6Ly9ibG9nLmZmd2xs LmNoCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVs LWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwOi8v bGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==