From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH] drm/dp: Use large transactions for I2C over AUX Date: Wed, 28 Jan 2015 10:59:06 +0200 Message-ID: <877fw7s2lh.fsf@intel.com> References: <1422285768-1655-1-git-send-email-simon.farnsworth@onelan.co.uk> <1540451.drLVq8Y4Zh@f19simon> <20150126161101.GC19354@intel.com> <3675886.CKNMQZRBBc@f19simon> <20150127133653.GG19354@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 C40306E4E3 for ; Wed, 28 Jan 2015 00:58:15 -0800 (PST) In-Reply-To: <20150127133653.GG19354@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Ville =?utf-8?B?U3lyasOkbMOk?= , Simon Farnsworth Cc: Thierry Reding , dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org T24gVHVlLCAyNyBKYW4gMjAxNSwgVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4 LmludGVsLmNvbT4gd3JvdGU6Cj4gU28gSSd2ZSBiZWVuIGV4cGVyaW1lbnRpbmcgYSBiaXQgd2l0 aCB2YXJpb3VzIGRvbmdsZXMgaGVyZSwgYW5kIHNhZGx5IEkndmUKPiBub3QgbWFuYWdlZCB0byBn ZXQgYW55IG9uZSBvZiB0aGVtIHRvIHJldHVybiBzaG9ydCByZWFkcyA6KAo+Cj4gSSBkaWQgZmlu ZCBvbmUgdGhhdCBhbGxvd3MgY2hhbmdpbmcgdGhlIHNwZWVkIG9mIHRoZSBpMmMgYnVzLCBidXQg ZXZlbiBpZgo+IEkgcmVkdWNlIGl0IHRvIDFraHogdGhlcmUgYXJlIG5vIHNob3J0IHJlYWRzLCBq dXN0IGEgbG90IG1vcmUgZGVmZXJzLiBUaGUKPiBkb25nbGUgaW4gcXVlc3Rpb24gaGFzIE9VSSAw MDFjZjguCj4KPiBIb3dldmVyIHRoZSBnb29kIG5ld3MgaXMgdGhhdCBFRElEIHJlYWRzIHNlZW0g dG8gZ2V0IGZhc3RlciBhY3Jvc3MgdGhlCj4gYm9hcmQgd2l0aCAxNiBieXRlIG1lc3NhZ2VzLiBI b3cgbXVjaCBmYXN0ZXIgZGVwZW5kcyBvbiB0aGUgZG9uZ2xlLgo+Cj4gSGVyZSBhcmUgbXkgbWVh c3VyZW1lbnRzIGhvdyBsb25nIGl0IHRvb2sgdG8gcmVhZCBhIHNpbmdsZSBFRElEIGJsb2NrOgo+ ICBEUC0+RFZJIChPVUkgMDAxY2Y4KToJNDBtcyAtPiAzNW1zCj4gIERQLT5WR0EgKE9VSSAwMDIy YjkpOgk0NW1zIC0+IDM4bXMKPiAgWm90YWMgRFAtPjJ4SERNSToJMjVtcyAtPiAgNG1zCj4KPgo+ IE9oIGFuZCB0aGlzIGlzIGhvdyBJIG1hbmdsZWQgbXkgZHJtX2RwX2kyY194ZmVyKCk6Cj4gdHJh bnNmZXJyZWQgPSAwOwo+IHdoaWxlIChtc2dzW2ldLmxlbiA+IHRyYW5zZmVycmVkKSB7Cj4gCW1z Zy5idWZmZXIgPSBtc2dzW2ldLmJ1ZiArIHRyYW5zZmVycmVkOwo+IAltc2cuc2l6ZSA9IG1pbl90 KHVuc2lnbmVkIGludCwgZHJtX2RwX2kyY19tc2dfc2l6ZSwKPiAJCQkgbXNnc1tpXS5sZW4gLSB0 cmFuc2ZlcnJlZCk7Cj4gCWVyciA9IGRybV9kcF9pMmNfZG9fbXNnKGF1eCwgJm1zZyk7Cj4gCWlm IChlcnIgPCAwKQo+IAkJYnJlYWs7Cj4gCVdBUk5fT04oZXJyID09IDApOwo+IAl0cmFuc2ZlcnJl ZCArPSBlcnI7Cj4gfQo+Cj4gSSBtYWRlIHRoZSBtc2cgc2l6ZSBjb25maWd1cmFibGUgdmlhIGEg bW9kdWxlIHBhcmFtIGp1c3QgdG8gaGVscCBtZSB0ZXN0Cj4gdGhpcyBzdHVmZiwgYnV0IEknbSB0 aGlua2luZyB3ZSBtaWdodCB3YW50IHRvIHVwc3RyZWFtIHRoYXQganVzdCB0byBtYWtlCj4gaXQg ZWFzaWVyIHRvIHRyeSBzbWFsbGVyIG1lc3NhZ2Ugc2l6ZXMgaWYvd2hlbiBwZW9wbGUgZW5jb3Vu dGVyIHByb2JsZW1hdGljCj4gc2lua3MvZG9uZ2xlcy4KCkhvdyBhYm91dCBqdXN0IGxldHRpbmcg dGhhdCBoYXBwZW4gZmlyc3QsIHRvIHNlZSBpZiBhbmQgaG93IHRoZSBwcm9ibGVtcwpvY2N1cj8g SWYgdGhlcmUncyBhIHBhdHRlcm4sIG1heWJlIHdlIGNhbiBmYWxsIGJhY2sgdG8gMS1ieXRlIHRy YW5zZmVycwppbiB0aG9zZSBjYXNlcyAob3IgZXZlbiBhZGQgT1VJIGJhc2VkIHF1aXJrcykuIEkn dmUgZ3Jvd24gcmVhbGx5Cmhlc2l0YW50IGFib3V0IGFkZGluZyBuZXcgbW9kdWxlIHBhcmFtZXRl cnMsIHRoZXkgYXJlIEFCSSB3ZSBjYW4ndAplYXNpbHkgcmVtb3ZlL3JlZ3Jlc3Mgb25jZSBhZGRl ZC4KCgpCUiwKSmFuaS4KCgotLSAKSmFuaSBOaWt1bGEsIEludGVsIE9wZW4gU291cmNlIFRlY2hu b2xvZ3kgQ2VudGVyCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9y ZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVs Cg==