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: Fri, 23 Jan 2015 21:46:29 +0200 Message-ID: <20150123194629.GY19354@intel.com> References: <1422038438-9323-1-git-send-email-simon.farnsworth@onelan.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTP id 71C4D6E469 for ; Fri, 23 Jan 2015 11:46:34 -0800 (PST) Content-Disposition: inline In-Reply-To: <1422038438-9323-1-git-send-email-simon.farnsworth@onelan.co.uk> 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 T24gRnJpLCBKYW4gMjMsIDIwMTUgYXQgMDY6NDA6MzhQTSArMDAwMCwgU2ltb24gRmFybnN3b3J0 aCB3cm90ZToKPiBEaXNwbGF5UG9ydCB0byBEVkktRCBEdWFsIExpbmsgYWRhcHRlcnMgZGVzaWdu ZWQgYnkgQml6bGluayBoYXZlIGJ1Z3MgaW4KPiB0aGVpciBJMkMgb3ZlciBBVVggaW1wbGVtZW50 YXRpb24uIFRoZXkgd29yayBmaW5lIHdpdGggV2luZG93cywgYnV0IGZhaWwKPiB3aXRoIExpbnV4 Lgo+IAo+IEl0IHR1cm5zIG91dCB0aGF0IHRoZXkgY2Fubm90IGtlZXAgYW4gSTJDIHRyYW5zYWN0 aW9uIG9wZW4gdW5sZXNzIHRoZQo+IHByZXZpb3VzIHJlYWQgd2FzIDE2IGJ5dGVzOyBzaG9ydGVy IHJlYWRzIGNhbiBvbmx5IGJlIGZvbGxvd2VkIGJ5IGEgemVybwo+IGJ5dGUgdHJhbnNmZXIgZW5k aW5nIHRoZSBJMkMgdHJhbnNhY3Rpb24uCj4gCj4gQ29weSBXaW5kb3dzJ3MgYmVoYXZpb3VyLCBh bmQgcmVhZCAxNiBieXRlcyBhdCBhIHRpbWUuIEFuYWx5c2lzIG9mIHRoZQo+IGZhaWx1cmUgc3Rh dGUgd2FzIHByb3ZpZGVkIGJ5IERhdGFwYXRoIEx0ZC4KPiAKPiBTaWduZWQtb2ZmLWJ5OiBTaW1v biBGYXJuc3dvcnRoIDxzaW1vbi5mYXJuc3dvcnRoQG9uZWxhbi5jby51az4KPiAtLS0KPiBUaGll cnJ5LAo+IAo+IFlvdSBwdXQgaW4gdGhlIGNvbW1lbnQgYWJvdXQgImRlY3JlYXNlZCBwZXJmb3Jt YW5jZSIsIGJhY2sgaW4gRGVjZW1iZXIgMjAxMzsKPiB3b3VsZCB5b3UgbWluZCB0ZXN0aW5nIHRo YXQgdGhpcyBzdGlsbCB3b3JrcyB3aXRoIHRoZSBkZXZpY2VzIHlvdSB0ZXN0ZWQ/Cj4gCj4gVW5m b3J0dW5hdGVseSwgQml6bGluayBhcmUgdGhlIG9ubHkgZ2FtZSBpbiB0b3duIGZvciBEUC0+RFZJ LURMIGFkYXB0ZXJzIC0KPiBhbmQgdGhlaXIgZmlybXdhcmUgaXMgcHJvbmUgdG8gZ2l2aW5nIHVw IG9uIEkyQyBpZiB3ZSBsb29rIGF0IGl0Cj4gd3JvbmdseS4gRXZlbiBBcHBsZSdzIGRldmljZSBp cyBCaXpsaW5rIGRlc2lnbmVkLgo+IAo+ICBkcml2ZXJzL2dwdS9kcm0vZHJtX2RwX2hlbHBlci5j IHwgMTMgKysrKystLS0tLS0tLQo+ICAxIGZpbGUgY2hhbmdlZCwgNSBpbnNlcnRpb25zKCspLCA4 IGRlbGV0aW9ucygtKQo+IAo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vZHJtX2RwX2hl bHBlci5jIGIvZHJpdmVycy9ncHUvZHJtL2RybV9kcF9oZWxwZXIuYwo+IGluZGV4IDc5OTY4ZTMu LmI0YTlkNGEgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2RybV9kcF9oZWxwZXIuYwo+ ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9kcm1fZHBfaGVscGVyLmMKPiBAQCAtNTA3LDE2ICs1MDcs MTMgQEAgc3RhdGljIGludCBkcm1fZHBfaTJjX3hmZXIoc3RydWN0IGkyY19hZGFwdGVyICphZGFw dGVyLCBzdHJ1Y3QgaTJjX21zZyAqbXNncywKPiAgCQllcnIgPSBkcm1fZHBfaTJjX2RvX21zZyhh dXgsICZtc2cpOwo+ICAJCWlmIChlcnIgPCAwKQo+ICAJCQlicmVhazsKPiAtCQkvKgo+IC0JCSAq IE1hbnkgaGFyZHdhcmUgaW1wbGVtZW50YXRpb25zIHN1cHBvcnQgRklGT3MgbGFyZ2VyIHRoYW4g YQo+IC0JCSAqIHNpbmdsZSBieXRlLCBidXQgaXQgaGFzIGJlZW4gZW1waXJpY2FsbHkgZGV0ZXJt aW5lZCB0aGF0Cj4gLQkJICogdHJhbnNmZXJyaW5nIGRhdGEgaW4gbGFyZ2VyIGNodW5rcyBjYW4g YWN0dWFsbHkgbGVhZCB0bwo+IC0JCSAqIGRlY3JlYXNlZCBwZXJmb3JtYW5jZS4gVGhlcmVmb3Jl IGVhY2ggbWVzc2FnZSBpcyBzaW1wbHkKPiAtCQkgKiB0cmFuc2ZlcnJlZCBieXRlLWJ5LWJ5dGUu Cj4gKwkJLyogQml6bGluayBkZXNpZ25lZCBEUC0+RFZJLUQgRHVhbCBMaW5rIGFkYXB0ZXJzIHJl cXVpcmUgdGhlCj4gKyAgICAgICAgICAgICAgICAgKiBJMkMgb3ZlciBBVVggcGFja2V0cyB0byBi ZSBhcyBsYXJnZSBhcyBwb3NzaWJsZS4gSWYgbm90LAo+ICsgICAgICAgICAgICAgICAgICogdGhl IEkyQyB0cmFuc2FjdGlvbnMgbmV2ZXIgc3VjY2VlZC4KPiAgCQkgKi8KPiAtCQlmb3IgKGogPSAw OyBqIDwgbXNnc1tpXS5sZW47IGorKykgewo+ICsJCWZvciAoaiA9IDA7IGogPCBtc2dzW2ldLmxl bjsgais9MTYpIHsKPiAgCQkJbXNnLmJ1ZmZlciA9IG1zZ3NbaV0uYnVmICsgajsKPiAtCQkJbXNn LnNpemUgPSAxOwo+ICsJCQltc2cuc2l6ZSA9IG1pbigxNiwgbXNnc1tpXS5sZW4gLSAxNik7CgpJ IGRvbid0IHRoaW5rIGl0J3MgcXVpdGUgdGhpcyBzaW1wbGUuIFRoZSBzaW5rIGlzIGFsbG93ZWQg dG8gQUNLCnBhcnRpYWwgZGF0YSBmb3IgbXVsdGktYnl0ZSBtZXNzYWdlcy4gVGhlIGNvZGUgZG9l c24ndCBoYW5kbGUgdGhhdC4KCj4gIAo+ICAJCQllcnIgPSBkcm1fZHBfaTJjX2RvX21zZyhhdXgs ICZtc2cpOwo+ICAJCQlpZiAoZXJyIDwgMCkKPiAtLSAKPiAyLjEuMAo+IAo+IF9fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCj4gZHJpLWRldmVsIG1haWxpbmcg bGlzdAo+IGRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKPiBodHRwOi8vbGlzdHMuZnJl ZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCgotLSAKVmlsbGUgU3lyasOk bMOkCkludGVsIE9UQwpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5v cmcKaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZl bAo=