From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH] drm/dp: Use large transactions for I2C over AUX Date: Mon, 26 Jan 2015 18:11:01 +0200 Message-ID: <20150126161101.GC19354@intel.com> References: <1422285768-1655-1-git-send-email-simon.farnsworth@onelan.co.uk> <20150126153335.GA19354@intel.com> <1540451.drLVq8Y4Zh@f19simon> 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 117996E27D for ; Mon, 26 Jan 2015 08:11:47 -0800 (PST) Content-Disposition: inline In-Reply-To: <1540451.drLVq8Y4Zh@f19simon> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Simon Farnsworth Cc: Thierry Reding , dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org T24gTW9uLCBKYW4gMjYsIDIwMTUgYXQgMDM6NDc6MTNQTSArMDAwMCwgU2ltb24gRmFybnN3b3J0 aCB3cm90ZToKPiBPbiBNb25kYXkgMjYgSmFudWFyeSAyMDE1IDE3OjMzOjM1IFZpbGxlIFN5cmrD pGzDpCB3cm90ZToKPiA+IE9uIE1vbiwgSmFuIDI2LCAyMDE1IGF0IDAzOjIyOjQ4UE0gKzAwMDAs IFNpbW9uIEZhcm5zd29ydGggd3JvdGU6Cj4gPiA+IERpc3BsYXlQb3J0IHRvIERWSS1EIER1YWwg TGluayBhZGFwdGVycyBkZXNpZ25lZCBieSBCaXpsaW5rIGhhdmUgYnVncyBpbgo+ID4gPiB0aGVp ciBJMkMgb3ZlciBBVVggaW1wbGVtZW50YXRpb24uIFRoZXkgd29yayBmaW5lIHdpdGggV2luZG93 cywgYnV0IGZhaWwKPiA+ID4gd2l0aCBMaW51eC4KPiA+ID4gCj4gPiA+IEl0IHR1cm5zIG91dCB0 aGF0IHRoZXkgY2Fubm90IGtlZXAgYW4gSTJDIHRyYW5zYWN0aW9uIG9wZW4gdW5sZXNzIHRoZQo+ ID4gPiBwcmV2aW91cyByZWFkIHdhcyAxNiBieXRlczsgc2hvcnRlciByZWFkcyBjYW4gb25seSBi ZSBmb2xsb3dlZCBieSBhIHplcm8KPiA+ID4gYnl0ZSB0cmFuc2ZlciBlbmRpbmcgdGhlIEkyQyB0 cmFuc2FjdGlvbi4KPiA+ID4gCj4gPiA+IENvcHkgV2luZG93cydzIGJlaGF2aW91ciwgYW5kIHJl YWQgMTYgYnl0ZXMgYXQgYSB0aW1lLiBJZiB3ZSBnZXQgYSBzaG9ydAo+ID4gPiByZXBseSwgYXNz dW1lIHRoYXQgdGhlcmUncyBhIGhhcmR3YXJlIGJvdHRsZW5lY2ssIGFuZCBzaHJpbmsgb3VyIHJl YWQgc2l6ZQo+ID4gPiB0byBtYXRjaC4KPiA+ID4gCj4gPiA+IFNpZ25lZC1vZmYtYnk6IFNpbW9u IEZhcm5zd29ydGggPHNpbW9uLmZhcm5zd29ydGhAb25lbGFuLmNvLnVrPgo+ID4gPiAtLS0KPiA+ ID4gCj4gPiA+IHYyIGNoYW5nZXMsIGFmdGVyIGZlZWRiYWNrIGZyb20gVGhpZXJyeSBhbmQgVmls bGU6Cj4gPiA+IAo+ID4gPiAgKiBIYW5kbGUgc2hvcnQgcmVwbGllcy4gSSd2ZSBkZWNpZGVkIChh cmJpdHJhcmlseSkgdGhhdCBhIHNob3J0IHJlcGx5Cj4gPiA+ICAgIHJlc3VsdHMgaW4gdXMgZHJv cHBpbmcgYmFjayB0byB0aGUgbmV3bHkgY2hvc2VuIHNpemUgZm9yIHRoZSByZXN0IG9mIHRoaXMK PiA+ID4gICAgSTJDIHRyYW5zYWN0aW9uLiBUaHVzLCBnaXZlbiBhbiBhdHRlbXB0IHRvIHJlYWQg dGhlIGZpcnN0IDE2IGJ5dGVzIG9mCj4gPiA+ICAgIEVESUQsIGFuZCBhIHNpbmsgdGhhdCBvbmx5 IGRvZXMgNCBieXRlcyBvZiBidWZmZXJpbmcsIHdlIHdpbGwgc2VlIHRoZQo+ID4gPiAgICBmb2xs b3dpbmcgQVVYIHRyYW5zZmVycyBmb3IgdGhlIEVESUQgcmVhZCAoYWZ0ZXIgYWRkcmVzcyBpcyBz ZXQpOgo+ID4gPiAKPiA+ID4gICAgPHNldCBhZGRyZXNzLCBibG9jayBldGM+Cj4gPiA+ICAgIFJl YWQgMTYgYnl0ZXMgZnJvbSBJMkMgb3ZlciBBVVguCj4gPiA+ICAgIFJlcGx5IHdpdGggNCBieXRl cwo+ID4gPiAgICBSZWFkIDQgYnl0ZXMKPiA+ID4gICAgUmVwbHkgd2l0aCA0IGJ5dGVzCj4gPiA+ ICAgIFJlYWQgNCBieXRlcwo+ID4gPiAgICBSZXBseSB3aXRoIDQgYnl0ZXMKPiA+ID4gICAgUmVh ZCA0IGJ5dGVzCj4gPiA+ICAgIFJlcGx5IHdpdGggNCBieXRlcwo+ID4gPiAgICA8ZW5kIEkyQyB0 cmFuc2FjdGlvbj4KPiA+IAo+ID4gSSB0aGluayB0aGF0J3MgYWdhaXNudCB0aGUgc3BlYy4gSUlS QyB5b3UgaGF2ZSB0byBrZWVwIHJlcGVhdGluZyB0aGUKPiA+IHNhbWUgdHJhbnNhY3Rpb24gKG1l YW5pbmcgYWRkcmVzcy9sZW4gYXJlIHVuY2hhbmdlZCkgdW50aWwgYWxsIHRoZSBkYXRhCj4gPiB3 YXMgdHJhbnNmZXJyZWQuCj4gPgo+IERvIHlvdSBoYXZlIGEgc3BlYyByZWZlcmVuY2UgYWdhaW5z dCB0aGUgRGlzcGxheVBvcnQgMS4xYSAobGFzdCBwdWJsaWMKPiB2ZXJzaW9uKSBzcGVjPyBNeSBj aG9zZW4gYmVoYXZpb3VyIG1hdGNoZXMgVGFibGUgMi01MCBpbiB0aGUgMS4xYSBzcGVjLgoKSW4g bXkgY29weSBpZiBEUCB2MS4xIHRoZSBleGFtcGxlIGluIDItNTAganVzdCBrZWVwcyByZXBlYXRp bmcgdy8gMTYgYnl0ZXMuClNvIGRvZXNuJ3QgbWF0Y2ggd2hhdCB5b3UgZG8uIEFuZCB0aGF0J3Mg dW5jaGFuZ2VkIGluIHYxLjIuCgpEUCB2MS4yIGhhcyBzb21lIGV4dHJhIGNsYXJpZmljYXRpb25z IGZvciB0aGlzIHN0dWZmOgoiMi43LjcgSTJDLW92ZXJBVVggVHJhbnNhY3Rpb24gQ2xhcmlmaWNh dGlvbnMgYW5kIEltcGxlbWVudGF0aW9uIFJ1bGVzCgogMi43LjcuMS42LjQgVXBvbiB0aGUgUmVw bHkgb2YgSTJDX0FDS3xBVVhfQUNLIEZvbGxvd2VkIGJ5IHRoZSBUb3RhbCBOdW1iZXIgb2YgRGF0 YQogQnl0ZXMgRmV3ZXIgdGhhbiBMRU4rMSwgdG8gYSBSZXF1ZXN0IFRyYW5zYWN0aW9uIHdpdGgg TU9UIEJpdCBTZXQgRWl0aGVyIHRvIDAgb3IgMQoKIFRoZSBTb3VyY2UgZGV2aWNlIG11c3Q6CiBv IFJlcGVhdCB0aGUgaWRlbnRpY2FsIEkyQy1yZWFkLW92ZXItQVVYIHRyYW5zYWN0aW9uIHdpdGgg dGhlIHVwZGF0ZWQKICAgTEVOIHZhbHVlIGVxdWFsIHRvIHRoZSBvcmlnaW5hbCBMRU4gdmFsdWUg bWludXMgdGhlIHRvdGFsIG51bWJlciBvZiBkYXRhCiAgIGJ5dGVzIHJlY2VpdmVkIHNvIGZhciwK IG8gUmVwZWF0IHRoZSBpZGVudGljYWwgSTJDLXJlYWQtb3Zlci1BVVggdHJhbnNhY3Rpb24gd2l0 aCB0aGUgc2FtZSBMRU4KICAgdmFsdWUgYXMgdGhlIG9yaWdpbmFsIHZhbHVlLCBvciwKIG8gSXNz dWUgYW4gYWRkcmVzcy1vbmx5IEkyQy1vdmVyLUFVWCB3aXRoIE1PVCBiaXQgc2V0IHRvIDAgdG8g cHJvbXB0IEkyQyBTVE9QCiAgIHRvIHRlcm1pbmF0ZSB0aGUgY3VycmVudCBJMkMtcmVhZC1vdmVy LUFVWCB0cmFuc2FjdGlvbi4KIEl0IHNob3VsZCBiZSBub3RlZCB0aGF0IHdoZW4gdGhlIFNvdXJj ZSBkZXZpY2UgcmVwZWF0cyB0aGUgc2FtZSBJMkMtcmVhZC1vdmVyLUFVWAogdHJhbnNhY3Rpb24g d2l0aCB0aGUgc2FtZSBMRU4gdmFsdWUgYXMgdGhlIG9yaWdpbmFsIHZhbHVlLCB0aGUgU2luayBk ZXZpY2UgaXMKIGxpa2VseSB0byByZWFkIG1vcmUgZGF0YSBieXRlcyB0aGFuIHRoZSBTb3VyY2Ug ZGV2aWNlIG5lZWRzLiIKCi0tIApWaWxsZSBTeXJqw6Rsw6QKSW50ZWwgT1RDCl9fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxp c3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0 b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg==