From mboxrd@z Thu Jan 1 00:00:00 1970 From: Inki Dae Subject: Re: [PATCH v2 1/2] drm/mipi-dsi: add (LPM) Low Power Mode transfer support Date: Thu, 07 Aug 2014 22:39:29 +0900 Message-ID: <53E38191.1050308@samsung.com> References: <20140805111223.GA27340@ulmo> <53E1D53A.9050703@samsung.com> <20140806074357.GA13788@ulmo> <20140807065801.GD17340@ulmo> <53E32FF6.6050402@samsung.com> <20140807090859.GD13315@ulmo.nvidia.com> <53E3599F.3020301@samsung.com> <20140807110925.GA31594@ulmo.nvidia.com> <53E379A8.1020506@samsung.com> <20140807131713.GB1540@ulmo.nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-reply-to: <20140807131713.GB1540@ulmo.nvidia.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Thierry Reding Cc: Andrzej Hajda , treding@nvidia.com, dri-devel@lists.freedesktop.org, linux-samsung-soc@vger.kernel.org List-Id: linux-samsung-soc@vger.kernel.org T24gMjAxNOuFhCAwOOyblCAwN+ydvCAyMjoxNywgVGhpZXJyeSBSZWRpbmcgd3JvdGU6Cj4gT24g VGh1LCBBdWcgMDcsIDIwMTQgYXQgMTA6MDU6NDRQTSArMDkwMCwgSW5raSBEYWUgd3JvdGU6Cj4+ IE9uIDIwMTTrhYQgMDjsm5QgMDfsnbwgMjA6MDksIFRoaWVycnkgUmVkaW5nIHdyb3RlOgo+Pj4g T24gVGh1LCBBdWcgMDcsIDIwMTQgYXQgMDc6NDk6MDNQTSArMDkwMCwgSW5raSBEYWUgd3JvdGU6 Cj4+Pj4gT24gMjAxNOuFhCAwOOyblCAwN+ydvCAxODowOSwgVGhpZXJyeSBSZWRpbmcgd3JvdGU6 Cj4+Pj4+IE9uIFRodSwgQXVnIDA3LCAyMDE0IGF0IDA0OjUxOjE4UE0gKzA5MDAsIElua2kgRGFl IHdyb3RlOgo+Pj4+Pj4gT24gMjAxNOuFhCAwOOyblCAwN+ydvCAxNTo1OCwgVGhpZXJyeSBSZWRp bmcgd3JvdGU6Cj4+Pj4+Pj4gT24gVGh1LCBBdWcgMDcsIDIwMTQgYXQgMDI6MDk6MTlBTSArMDkw MCwgSW5raSBEYWUgd3JvdGU6Cj4+Pj4+Pj4+IDIwMTQtMDgtMDYgMTY6NDMgR01UKzA5OjAwIFRo aWVycnkgUmVkaW5nIDx0aGllcnJ5LnJlZGluZ0BnbWFpbC5jb20+Ogo+Pj4+PiBbLi4uXQo+Pj4+ Pj4+Pj4gQXMgZmFyIGFzIEkgY2FuIHRlbGwgbm9uLWNvbnRpbnVvdXMgbW9kZSBzaW1wbHkgbWVh bnMgdGhhdCB0aGUgaG9zdCBjYW4KPj4+Pj4+Pj4+IHR1cm4gb2ZmIHRoZSBIUyBjbG9jayBhZnRl ciBhIGhpZ2gtc3BlZWQgdHJhbnNtaXNzaW9uLiBJIHRoaW5rIEFuZHJ6ZWoKPj4+Pj4+Pj4+IG1l bnRpb25lZCB0aGlzIGFscmVhZHkgaW4gYW5vdGhlciBzdWJ0aHJlYWQsIGJ1dCB0aGlzIGlzIGFu IG9wdGlvbmFsCj4+Pj4+Pj4+PiBtb2RlIHRoYXQgcGVyaXBoZXJhbHMgY2FuIHN1cHBvcnQgaWYg dGhleSBoYXZlIGV4dHJhIGNpcmN1aXRyeSB0aGF0Cj4+Pj4+Pj4+PiBwcm92aWRlcyBhbiBpbnRl cm5hbCBjbG9jay4gUGVyaXBoZXJhbHMgdGhhdCBkb24ndCBoYXZlIHN1Y2ggY2lyY3VpdHJ5Cj4+ Pj4+Pj4+PiBtYXkgcmVseSBvbiB0aGUgSFMgY2xvY2sgdG8gcGVyZm9ybSBpbiBiZXR3ZWVuIHRy YW5zbWlzc2lvbnMgYW5kCj4+Pj4+Pj4+PiB0aGVyZWZvcmUgcmVxdWlyZSB0aGUgSFMgY2xvY2sg dG8gYmUgYWx3YXlzIG9uIChjb250aW51b3VzIG1vZGUpLiBUaGF0J3MKPj4+Pj4+Pj4+IHdoYXQg dGhlIE1JUElfRFNJX0NMT0NLX05PTl9DT05USU5VT1VTIGZsYWcgaXM6IGl0IGFkdmVydGlzZXMg dGhhdCB0aGUKPj4+Pj4+Pj4+IHBlcmlwaGVyYWwgc3VwcG9ydHMgbm9uLWNvbnRpbnVvdXMgbW9k ZSBhbmQgdGhlcmVmb3JlIHRoZSBob3N0IGNhbiB0dXJuCj4+Pj4+Pj4+PiB0aGUgSFMgY2xvY2sg b2ZmIGFmdGVyIGhpZ2gtc3BlZWQgdHJhbnNtaXNzaW9ucy4KPj4+Pj4+Pj4KPj4+Pj4+Pj4gV2hh dCBJIGRvbid0IG1ha2Ugc3VyZSBpcyB0aGlzIHNlbnRlbmNlLiBXaXRoCj4+Pj4+Pj4+IE1JUElf RFNJX0NMT0NLX05PTl9DT05USVVPVVMgZmxhZywgSSBndWVzcyB0d28gcG9zc2libGUgb3BlcmF0 aW9ucy4KPj4+Pj4+Pj4gT25lIGlzLAo+Pj4+Pj4+PiAxLiBob3N0IGNvbnRyb2xsZXIgd2lsbCBn ZW5lcmF0ZXMgc2lnbmFscyBpZiBhIGJpdCBvZiBhIHJlZ2lzdGVyCj4+Pj4+Pj4+IHJlbGF0ZWQg dG8gbm9uLWNvbnRpZ3VvdXMgY2xvY2sgbW9kZSBpcyBzZXQgb3IgdW5zZXQuCj4+Pj4+Pj4+IDIu IEFuZCB0aGVuIHZpZGVvIGRhdGEgaXMgdHJhbnNtaXR0ZWQgdG8gcGFuZWwgaW4gSFMgbW9kZS4K Pj4+Pj4+Pj4gMy4gQW5kIHRoZW4gRC1QSFkgZGV0ZWN0cyBMUC0xMSBzaWduYWwgKHBvc2l0aXZl IGFuZCBuZWdhdGl2ZSBsYW5lIGFsbAo+Pj4+Pj4+PiBhcmUgaGlnaCkuCj4+Pj4+Pj4+IDQuIEFu ZCB0aGVuIEQtUEhZIGRpc2FibGVzIEhTIGNsb2NrIG9mIGhvc3QgY29udHJvbGxlci4KPj4+Pj4+ Pj4gNS4gQXQgdGhpcyB0aW1lLCBvcGVyYXRpb24gbW9kZSBvZiBob3N0IGNvbnRyb2xsZXIgYmVj b21lcyBMUE0uCj4+Pj4+Pj4+Cj4+Pj4+Pj4+IE90aGVyIGlzLAo+Pj4+Pj4+PiAxLiBob3N0IGNv bnRyb2xsZXIgd2lsbCBnZW5lcmF0ZXMgc2lnbmFscyBpZiBhIGJpdCBvZiBhIHJlZ2lzdGVyCj4+ Pj4+Pj4+IHJlbGF0ZWQgdG8gbm9uLWNvbnRpZ3VvdXMgY2xvY2sgbW9kZSBpcyBzZXQgb3IgdW5z ZXQuCj4+Pj4+Pj4+IDIuIEFuZCB0aGVuIEQtUEhZIGRldGVjdHMgTFAtMTEgc2lnbmFsIChwb3Np dGl2ZSBhbmQgbmVnYXRpdmUgbGFuZSBhbGwKPj4+Pj4+Pj4gYXJlIGhpZ2gpLgo+Pj4+Pj4+PiAz LiBBbmQgdGhlbiB2aWRlbyBkYXRhIGlzIHRyYW5zbWl0dGVkIHRvIHBhbmVsIGluIExQTS4KPj4+ Pj4+Pj4gNC4gQXQgdGhpcyB0aW1lLCBvcGVyYXRpb24gbW9kZSBvZiBob3N0IGNvbnRyb2xsZXIg YmVjb21lcyBMUE0uCj4+Pj4+Pj4+Cj4+Pj4+Pj4+IEl0IHNlZW1zIHRoYXQgeW91IHNheXMgbGF0 dGVyIGNhc2UuCj4+Pj4+Pj4KPj4+Pj4+PiBOby4gSGlnaCBzcGVlZCBjbG9jayBhbmQgbG93IHBv d2VyIG1vZGUgYXJlIG9ydGhvZ29uYWwuIE5vbi1jb250aW51b3VzCj4+Pj4+Pj4gbW9kZSBzaW1w bHkgbWVhbnMgdGhhdCB0aGUgY2xvY2sgbGFuZSBlbnRlcnMgTFAtMTEgYmV0d2VlbiBIUwo+Pj4+ Pj4+IHRyYW5zbWlzc2lvbnMgKHNlZSA1LjYgIkNsb2NrIE1hbmFnZW1lbnQiIG9mIHRoZSBEU0kg c3BlY2lmaWNhdGlvbikuCj4+Pj4+Pj4KPj4+Pj4+Cj4+Pj4+PiBJdCBzZWVtcyB0aGF0IGNsb2Nr IGxhbmUgZW50ZXJzIExQLTExIHJlZ2FyZGxlc3Mgb2YgSFMgY2xvY2sgZW5hYmxlZCBpZgo+Pj4+ Pj4gbm9uLWNvbnRpbm91cyBtb2RlIGlzIHVzZWQuIFJpZ2h0Pwo+Pj4+Pgo+Pj4+PiBObywgSSB0 aGluayBhcyBsb25nIGFzIEhTIGNsb2NrIGlzIGVuYWJsZWQgdGhlIGNsb2NrIGxhbmUgd29uJ3Qg ZW50ZXIKPj4+Pj4gTFAtMTEuIE5vbi1jb250aW51b3VzIG1vZGUgbWVhbnMgdGhhdCB0aGUgY29u dHJvbGxlciBjYW4gZGlzYWJsZSB0aGUgSFMKPj4+Pj4gY2xvY2sgYmV0d2VlbiBIUyB0cmFuc21p c3Npb25zLiBTbyBpbiBub24tY29udGludW91cyBtb2RlIHRoZSBjbG9jayBsYW5lCj4+Pj4+IGNh biBlbnRlciBMUC0xMSBiZWNhdXNlIHRoZSBjb250cm9sbGVyIGRpc2FibGVzIHRoZSBIUyBjbG9j ay4KPj4+Pgo+Pj4+IEl0IG1ha2VzIG1lIGEgbGl0dGxlIGJpdCBjb25mdXNpbmcuIFlvdSBzYWlk ICJpZiBIUyBjbG9jayBpcyBlbmFibGVkLAo+Pj4+IHRoZSB0aGUgY2xvY2sgbGFuZSB3b24ndCBl bnRlciBMUC0xMSIgQnV0IHlvdSBzYWlkIGFnYWluICJ0aGUgY2xvY2sgbGFuZQo+Pj4+IGNhbiBl bnRlciBMUC0xMSBiZWNhdXNlIHRoZSBjb250cm9sbGVyIGRpc2FibGVzIHRoZSBIUyBjbG9jayIg V2hhdCBpcwo+Pj4+IHRoZSBtZWFuaW5nPwo+Pj4KPj4+IEl0IG1lYW5zIHRoYXQgaWYgdGhlIEhT IGNsb2NrIGlzIGVuYWJsZWQsIHRoZW4gdGhlIGNsb2NrIGxhbmUgaXMgbm90IGluCj4+PiBMUC0x MS4gV2hlbiB0aGUgSFMgY2xvY2sgc3RvcHMsIHRoZW4gdGhlIGNsb2NrIGxhbmUgZW50ZXJzIExQ LTExLgo+Pj4KPj4+Pj4gSW4gY29udGludW91cyBtb2RlLCB0aGVuIHRoZSBjbG9jayB3aWxsIG5l dmVyIGJlIGRpc2FibGVkLCBoZW5jZSB0aGUKPj4+Pj4gY2xvY2sgbGFuZSB3aWxsIG5ldmVyIGVu dGVyIExQLTExLgo+Pj4+Pgo+Pj4+Pj4gQW5kIGFsc28gaXQgc2VlbXMgdGhhdCBub24tY29udGlu b3VzIG1vZGUgaXMgZGlmZmVyZW50IGZyb20gTFBNIGF0IGFsbAo+Pj4+Pj4gYmVjYXVzZSB3aXRo IG5vbi1jb250aW51b3VzIG1vZGUsIGNvbW1hbmQgZGF0YSBpcyB0cmFuc21pdHRlZCB0byBwYW5l bAo+Pj4+Pj4gaW4gSFMgbW9kZSwgYnV0IHdpdGggTFBNLCBjb21tYW5kIGRhdGEgaXMgdHJhbnNt aXR0ZWQgdG8gcGFuZWwgaW4gTFAKPj4+Pj4+IG1vZGUuIEFsc28gcmlnaHQ/Cj4+Pj4+Cj4+Pj4+ IE5vLiBJIHRoaW5rIHlvdSBjYW4gc2VuZCBjb21tYW5kIGRhdGEgdG8gdGhlIHBlcmlwaGVyYWwg aW4gbG93IHBvd2VyCj4+Pj4+IG1vZGUgaW4gYm90aCBjb250aW51b3VzIGFuZCBub24tY29udGlu dW91cyBjbG9jayBtb2Rlcy4KPj4+Pj4KPj4+Pj4+IElmIHNvLCBzaG91bGRuJ3QgdGhlIGhvc3Qg ZHJpdmVyIGRpc2FibGUgSFMgY2xvY2ssIGluIGNhc2Ugb2YgTFAgbW9kZSwKPj4+Pj4+IGJlZm9y ZSB0aGUgaG9zdCBkcml2ZXIgdHJhbnNtaXRzIGNvbW1hbmQgZGF0YT8KPj4+Pj4KPj4+Pj4gTm8u IElmIHRoZSBwZXJpcGhlcmFsIGRvZXNuJ3Qgc3VwcG9ydCBub24tY29udGludW91cyBtb2RlLCB0 aGVuIHRoZSBIUwo+Pj4+PiBjbG9jayBtdXN0IG5ldmVyIGJlIHR1cm5lZCBvZmYuIE9uIHRoZSBv dGhlciBoYW5kLCBpZiB0aGUgcGVyaXBoZXJhbAo+Pj4+PiBzdXBwb3J0cyBub24tY29udGludW91 cyBtb2RlLCB0aGVuIHRoZSBEU0kgaG9zdCBzaG91bGQgYXV0b21hdGljYWxseQo+Pj4+PiBkaXNh YmxlIHRoZSBIUyBjbG9jayBiZXR3ZWVuIGhpZ2gtc3BlZWQgdHJhbnNtaXNzaW9ucy4gVGhhdCBt ZWFucyBpZiBhCj4+Pj4+IHBhY2tldCBpcyB0cmFuc21pdHRlZCBpbiBsb3cgcG93ZXIgbW9kZSB0 aGUgRFNJIGhvc3Qgd2lsbCBub3QgYmUKPj4+Pj4gdHJhbnNtaXR0aW5nIGluIGhpZ2gtc3BlZWQg bW9kZSBhbmQgdGhlcmVmb3JlIGRpc2FibGUgdGhlIEhTIGNsb2NrLgo+Pj4+Cj4+Pj4gV2hhdCBp cyBMUE0geW91IHRoaW5rPyBJIHRob3VnaHQgTFBNIGlzIExQLTExIGFuZCBIUyBjbG9jayBkaXNh YmxlZC4gU28KPj4+PiBmb3IgTFBNIHRyYW5zZmVyLCBsYW5lcyBzaG91bGQgYmUgTFAtMTEgc3Rh dGUgYW5kIGFsc28gSFMgY2xvY2sgb2YgdGhlCj4+Pj4gaG9zdCBjb250cm9sbGVyIHNob3VsZCBi ZSBkaXNhYmxlZC4KPj4+Cj4+PiBOby4gSSBkb24ndCB0aGluayBhbnkgdHJhbnNtaXNzaW9ucyBj YW4gaGFwcGVuIHdoZW4gYWxsIGxhbmVzIGFyZSBpbgo+Pj4gTFAtMTEgc3RhdGUuIFRoZSBNSVBJ X0RTSV9NU0dfVVNFX0xQTSBpcyB1c2VkIHRvIHNwZWNpZnkgdGhhdCBhIHBhY2tldAo+Pj4gc2hv dWxkIGJlIHRyYW5zbWl0dGVkIGluIGxvdyBwb3dlciBtb2RlIChzZWUgTFAgVHJhbnNtaXNzaW9u IGluIDIuMQo+Pj4gIkRlZmluaXRpb25zIiBvZiB0aGUgTUlQSSBEU0kgc3BlY2lmaWNhdGlvbiku Cj4+Pgo+Pgo+PiBIbS4uIEkgc2VlLiBJIG1lYW50LAo+Pgo+PiBpZiAoZmxhZ3MgJiBNSVBJX0RT SV9NU0dfVVNFX0xQTSkKPj4gICAgICAgIGRpc2FibGUgSFMgY2xvY2sgPC0gcmVxdWlyZWQuCj4+ Cj4+IHRyYW5zbWl0IGNvbW1hbmQgZGF0YSA8LSBpbiBMUE0uCj4gCj4gTm8uIERpc2FibGluZyB0 aGUgSFMgY2xvY2sgaXMgbm90IHJlcXVpcmVkIGZvciBMUE0gbW9kZS4gSW4gZmFjdCBpZiB0aGUK PiBwZXJpcGhlcmFsIHNwZWNpZmllcyB0aGF0IGl0IGRvZXNuJ3Qgc3VwcG9ydCBub24tY29udGlu dW91cyBtb2RlIHRoZW4KPiB0aGUgSFMgY2xvY2sgbXVzdCAqbmV2ZXIqIGJlIGRpc2FibGVkIGFz IGxvbmcgYXMgdGhlIHBlcmlwaGVyYWwgaXMgaW4KPiB1c2UuCj4gCj4gTUlQSV9EU0lfTVNHX1VT RV9MUE0gYW5kIE1JUElfRFNJX0NMT0NLX05PTl9DT05USU5VT1VTIGFyZSB1bnJlbGF0ZWQgYW5k Cj4gbmVlZCB0byBiZSBjb25zaWRlcmVkIHNlcGFyYXRlbHkuCgpJIG1lbnRpb25lZCBhbHJlYWR5 IExQTSBhbmQgTk9OX0NPTlRJTlVPVVMgYXJlIHVucmVsYXRlZC4KCkl0IHNlZW1zIHRoYXQgeW91 IHNheSB0aGUgb25seSB3YXkgdG8gdHJhbnNmZXIgY29tbWFuZCBkYXRhIGluIExQTSBpcwpub24t Y29udGludW91cyBjbG9jayBtb2RlLiBIb3dldmVyLCB5b3Ugc2FpZCBhbmQgYWxzbyB0aGUgc3Bl YyBzYXlzLAoiTm9uLWNvbnRpbnVvdXMgbW9kZSBzaW1wbHkgbWVhbnMgdGhhdCB0aGUgY2xvY2sg bGFuZSBlbnRlcnMgTFAtMTEKYmV0d2VlbiBIUyB0cmFuc21pc3Npb25zIi4gRG9lc24ndCAqYmV0 d2VlbiBIUyB0cmFuc21pc3Npb25zIiBtZWFuIHRoZQpjb21tYW5kIGRhdGEgaXMgdHJhbnNtaXR0 ZWQgaW4gSFMsICpub3QgaW4gTFBNKiwgYW5kIGNsb2NrIGxhbmUgZW50ZXJzCkxQLTExIGJldHdl ZW4gdGhlbT8KCldlIGhhdmUgb25lIGxjZCBwYW5lbCwgbnQzNTUwMmEsIHdoaWNoIG5lZWRzIExQ TSB0cmFuc2ZlciBzdXBwb3J0CmJlY2F1c2UgaXQgc2hvdWxkIHJlY2VpdmUgc29tZSBpbml0aWFs IGNvbW1hbmRzIHdpdGggTFBNIGJ5IGRlZmF1bHQKaGFyZHdhcmUgc2V0dGluZywgYW5kIHdlIGZh Y2VkIHdpdGggdGhhdCB0aGUgcGFuZWwgZGlkbid0IHdvcmsgd2l0aG91dApkaXNhYmxpbmcgSFMg Y2xvY2sgYmVmb3JlIHRyYW5zbWl0dGluZyBjb21tYW5kIGRhdGEuIEhvdyBjYW4geW91IGV4cGxh aW4KdGhhdD8KClRoYW5rcywKSW5raSBEYWUKCj4gCj4gVGhpZXJyeQo+IAoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcgbGlz dApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVza3Rv cC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwK