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 11:33:34 +0200 Message-ID: <87y4onqmfl.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> <877fw7s2lh.fsf@intel.com> <20150128091022.GF4764@phenom.ffwll.local> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id 42B196E64E for ; Wed, 28 Jan 2015 01:32:43 -0800 (PST) In-Reply-To: <20150128091022.GF4764@phenom.ffwll.local> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Daniel Vetter Cc: Thierry Reding , dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org T24gV2VkLCAyOCBKYW4gMjAxNSwgRGFuaWVsIFZldHRlciA8ZGFuaWVsQGZmd2xsLmNoPiB3cm90 ZToKPiBPbiBXZWQsIEphbiAyOCwgMjAxNSBhdCAxMDo1OTowNkFNICswMjAwLCBKYW5pIE5pa3Vs YSB3cm90ZToKPj4gT24gVHVlLCAyNyBKYW4gMjAxNSwgVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5z eXJqYWxhQGxpbnV4LmludGVsLmNvbT4gd3JvdGU6Cj4+ID4gU28gSSd2ZSBiZWVuIGV4cGVyaW1l bnRpbmcgYSBiaXQgd2l0aCB2YXJpb3VzIGRvbmdsZXMgaGVyZSwgYW5kIHNhZGx5IEkndmUKPj4g PiBub3QgbWFuYWdlZCB0byBnZXQgYW55IG9uZSBvZiB0aGVtIHRvIHJldHVybiBzaG9ydCByZWFk cyA6KAo+PiA+Cj4+ID4gSSBkaWQgZmluZCBvbmUgdGhhdCBhbGxvd3MgY2hhbmdpbmcgdGhlIHNw ZWVkIG9mIHRoZSBpMmMgYnVzLCBidXQgZXZlbiBpZgo+PiA+IEkgcmVkdWNlIGl0IHRvIDFraHog dGhlcmUgYXJlIG5vIHNob3J0IHJlYWRzLCBqdXN0IGEgbG90IG1vcmUgZGVmZXJzLiBUaGUKPj4g PiBkb25nbGUgaW4gcXVlc3Rpb24gaGFzIE9VSSAwMDFjZjguCj4+ID4KPj4gPiBIb3dldmVyIHRo ZSBnb29kIG5ld3MgaXMgdGhhdCBFRElEIHJlYWRzIHNlZW0gdG8gZ2V0IGZhc3RlciBhY3Jvc3Mg dGhlCj4+ID4gYm9hcmQgd2l0aCAxNiBieXRlIG1lc3NhZ2VzLiBIb3cgbXVjaCBmYXN0ZXIgZGVw ZW5kcyBvbiB0aGUgZG9uZ2xlLgo+PiA+Cj4+ID4gSGVyZSBhcmUgbXkgbWVhc3VyZW1lbnRzIGhv dyBsb25nIGl0IHRvb2sgdG8gcmVhZCBhIHNpbmdsZSBFRElEIGJsb2NrOgo+PiA+ICBEUC0+RFZJ IChPVUkgMDAxY2Y4KToJNDBtcyAtPiAzNW1zCj4+ID4gIERQLT5WR0EgKE9VSSAwMDIyYjkpOgk0 NW1zIC0+IDM4bXMKPj4gPiAgWm90YWMgRFAtPjJ4SERNSToJMjVtcyAtPiAgNG1zCj4+ID4KPj4g Pgo+PiA+IE9oIGFuZCB0aGlzIGlzIGhvdyBJIG1hbmdsZWQgbXkgZHJtX2RwX2kyY194ZmVyKCk6 Cj4+ID4gdHJhbnNmZXJyZWQgPSAwOwo+PiA+IHdoaWxlIChtc2dzW2ldLmxlbiA+IHRyYW5zZmVy cmVkKSB7Cj4+ID4gCW1zZy5idWZmZXIgPSBtc2dzW2ldLmJ1ZiArIHRyYW5zZmVycmVkOwo+PiA+ IAltc2cuc2l6ZSA9IG1pbl90KHVuc2lnbmVkIGludCwgZHJtX2RwX2kyY19tc2dfc2l6ZSwKPj4g PiAJCQkgbXNnc1tpXS5sZW4gLSB0cmFuc2ZlcnJlZCk7Cj4+ID4gCWVyciA9IGRybV9kcF9pMmNf ZG9fbXNnKGF1eCwgJm1zZyk7Cj4+ID4gCWlmIChlcnIgPCAwKQo+PiA+IAkJYnJlYWs7Cj4+ID4g CVdBUk5fT04oZXJyID09IDApOwo+PiA+IAl0cmFuc2ZlcnJlZCArPSBlcnI7Cj4+ID4gfQo+PiA+ Cj4+ID4gSSBtYWRlIHRoZSBtc2cgc2l6ZSBjb25maWd1cmFibGUgdmlhIGEgbW9kdWxlIHBhcmFt IGp1c3QgdG8gaGVscCBtZSB0ZXN0Cj4+ID4gdGhpcyBzdHVmZiwgYnV0IEknbSB0aGlua2luZyB3 ZSBtaWdodCB3YW50IHRvIHVwc3RyZWFtIHRoYXQganVzdCB0byBtYWtlCj4+ID4gaXQgZWFzaWVy IHRvIHRyeSBzbWFsbGVyIG1lc3NhZ2Ugc2l6ZXMgaWYvd2hlbiBwZW9wbGUgZW5jb3VudGVyIHBy b2JsZW1hdGljCj4+ID4gc2lua3MvZG9uZ2xlcy4KPj4gCj4+IEhvdyBhYm91dCBqdXN0IGxldHRp bmcgdGhhdCBoYXBwZW4gZmlyc3QsIHRvIHNlZSBpZiBhbmQgaG93IHRoZSBwcm9ibGVtcwo+PiBv Y2N1cj8gSWYgdGhlcmUncyBhIHBhdHRlcm4sIG1heWJlIHdlIGNhbiBmYWxsIGJhY2sgdG8gMS1i eXRlIHRyYW5zZmVycwo+PiBpbiB0aG9zZSBjYXNlcyAob3IgZXZlbiBhZGQgT1VJIGJhc2VkIHF1 aXJrcykuIEkndmUgZ3Jvd24gcmVhbGx5Cj4+IGhlc2l0YW50IGFib3V0IGFkZGluZyBuZXcgbW9k dWxlIHBhcmFtZXRlcnMsIHRoZXkgYXJlIEFCSSB3ZSBjYW4ndAo+PiBlYXNpbHkgcmVtb3ZlL3Jl Z3Jlc3Mgb25jZSBhZGRlZC4KPgo+IG1vZHVsZV9wYXJhbV9kZWJ1ZyB0YWtlcyBjYXJlIG9mIGFu eSBzdWNoIHJpc2tzIGltby4KCk5vIHN1Y2ggdGhpbmcsIG1heWJlIHlvdSBtZWFuIG1vZHVsZV9w YXJhbV91bnNhZmU/CgpKYW5pLgoKCj4gLURhbmllbAo+IC0tIAo+IERhbmllbCBWZXR0ZXIKPiBT b2Z0d2FyZSBFbmdpbmVlciwgSW50ZWwgQ29ycG9yYXRpb24KPiArNDEgKDApIDc5IDM2NSA1NyA0 OCAtIGh0dHA6Ly9ibG9nLmZmd2xsLmNoCgotLSAKSmFuaSBOaWt1bGEsIEludGVsIE9wZW4gU291 cmNlIFRlY2hub2xvZ3kgQ2VudGVyCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVk ZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8v ZHJpLWRldmVsCg==