From mboxrd@z Thu Jan 1 00:00:00 1970 From: Laurent Pinchart Subject: Re: [PATCH] drm/bridge: analogix_dp: Keep PHY powered from between driver bind/unbind Date: Wed, 21 Feb 2018 14:49:22 +0200 Message-ID: <2791004.ZRT6x1hf9f@avalon> References: <20180221100443.13041-1-m.szyprowski@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20180221100443.13041-1-m.szyprowski@samsung.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Marek Szyprowski Cc: linux-samsung-soc@vger.kernel.org, Bartlomiej Zolnierkiewicz , dri-devel@lists.freedesktop.org, Yakir Yang List-Id: linux-samsung-soc@vger.kernel.org SGkgTWFyZWssCgpUaGFuayB5b3UgZm9yIHRoZSBwYXRjaC4KCk9uIFdlZG5lc2RheSwgMjEgRmVi cnVhcnkgMjAxOCAxMjowNDo0MyBFRVQgTWFyZWsgU3p5cHJvd3NraSB3cm90ZToKPiBQYXRjaCBm MGE4YjQ5YzAzZDIgKCJkcm0vYnJpZGdlOiBhbmFsb2dpeCBkcDogRml4IHJ1bnRpbWUgUE0gc3Rh dGUgb24KPiBkcml2ZXIgYmluZCIpIGZpeGVkIHVuYmFsYW5jZWQgY2FsbCB0byBwaHlfcG93ZXJf b24oKSBpbiBhbmFsb2dpeF9kcF9iaW5kKCkKPiBmdW5jdGlvbiBieSBjYWxsaW5nIHBoeV9wb3dl cl9vZmYoKSBhdCB0aGUgZW5kIG9mIGJpbmQgb3BlcmF0aW9uLgo+IAo+IEhvd2V2ZXIgaXQgdHVy bmVkIG91dCB0aGF0IGhhdmluZyBQSFkgcG93ZXJlZCBpcyByZXF1aXJlZCBmb3IgcHJvcGVyIERS TQo+IGRpc3BsYXkgcGlwZWxpbmUgaW5pdGlhbGl6YXRpb24gb24gUGVhY2gtUGl0IENocm9tZWJv b2syIGJvYXJkLCBhcyB0aGlzCj4gYm9hcmQgZnJlZXplcyBvdGhlcndpc2Ugd2hlbiBQSFkgcG93 ZXIgb2ZmIGlzIGNhbGxlZCBpbiBiaW5kLiBGaXggdGhpcyBieQo+IGtlZXBpbmcgUEhZIHBvd2Vy ZWQgZm9yIHRoZSB3aG9sZSBiaW5kL3VuYmluZCBkcml2ZXIgbGlmZSBjeWNsZS4gVGhlCj4gZnJl ZXplIGlzIHByb2JhYmx5IHJlbGF0ZWQgdG8gdGhlIGZhY3QgdGhhdCB0aGUgZGlzcGxheSBwaXBl bGluZSAoRXh5bm9zCj4gRklNRCBDVFJDIC0+IEV4eW5vcy9BbmFsb2dpeCBEUCBicmlkZ2UgLT4g UFM4NjI1IGRwMmx2ZHMgYnJpZGdlIC0+IEIxMTZYVzAzCj4gcGFuZWwpIGlzIGFscmVhZHkgY29u ZmlndXJlZCBhbmQgZW5hYmxlZCBieSB0aGUgYm9vdGxvYWRlciBhbmQgcmVxdWlyZQo+IHJlc2V0 IG9mIGFsbCBjb21wb25lbnRzIGZvciBwcm9wZXIgc2h1dGRvd24uCgoiUHJvYmFibHkiIGFsd2F5 cyBtYWtlcyBtZSBmZWVsIHVuY29tZm9ydGFibGUgaW4gc3VjaCBhIGNvbnRleHQgOi0pIExlYXZp bmcgCnRoZSBQSFkgcG93ZXJlZCBhdCBhbGwgdGltZXMgaXNuJ3QgdGhlIGJlc3QgaWRlYSBhcyBp dCB3aWxsIGluY3JlYXNlIHBvd2VyIApjb25zdW1wdGlvbiBldmVuIHdoZW4gdGhlIERQIG91dHB1 dCBpc24ndCBpbiB1c2UuIEkgY2FuIGxpdmUgd2l0aCB0aGF0IGlmIAp0aGVyZSdzIG5vIG90aGVy IHdheSwgYnV0IGl0IGZlZWxzIHRvIG1lIGxpa2Ugd2Ugc2hvdWxkIGZpcnN0IGdldCB0byB0aGUg CmJvdHRvbSBvZiB0aGUgaXNzdWUuCgo+IEhhdmluZyBQSFkgcG93ZXJlZCBpcyBhbHNvIG5lZWRl ZCBmb3IgcHJvcGVyIEVESUQgaGFuZGxpbmcsIHdoaWNoIGluaXRpYWxseQo+IGZpeGVkIGJ5IGNv bW1pdCA1MTAzNTNhNjM3OTYgKCJkcm0vYnJpZGdlOiBhbmFsb2dpeCBkcDogRml4IHJ1bnRpbWUg UE0gc3RhdGUKPiBpbiBnZXRfbW9kZXMoKSBjYWxsYmFjayIpLgo+IAo+IEZpeGVzOiBmMGE4YjQ5 YzAzZDIgKCJkcm0vYnJpZGdlOiBhbmFsb2dpeCBkcDogRml4IHJ1bnRpbWUgUE0gc3RhdGUgb24K PiBkcml2ZXIgYmluZCIpCj4gU2lnbmVkLW9mZi1ieTogTWFyZWsgU3p5cHJvd3NraSA8bS5zenlw cm93c2tpQHNhbXN1bmcuY29tPgo+IC0tLQo+ICBkcml2ZXJzL2dwdS9kcm0vYnJpZGdlL2FuYWxv Z2l4L2FuYWxvZ2l4X2RwX2NvcmUuYyB8IDIgKy0KPiAgMSBmaWxlIGNoYW5nZWQsIDEgaW5zZXJ0 aW9uKCspLCAxIGRlbGV0aW9uKC0pCj4gCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9i cmlkZ2UvYW5hbG9naXgvYW5hbG9naXhfZHBfY29yZS5jCj4gYi9kcml2ZXJzL2dwdS9kcm0vYnJp ZGdlL2FuYWxvZ2l4L2FuYWxvZ2l4X2RwX2NvcmUuYyBpbmRleAo+IGIyNzU2YmM0MjI1YS4uNDI1 OTU4NjNjYjAzIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9icmlkZ2UvYW5hbG9naXgv YW5hbG9naXhfZHBfY29yZS5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2JyaWRnZS9hbmFsb2dp eC9hbmFsb2dpeF9kcF9jb3JlLmMKPiBAQCAtMTQxNSw3ICsxNDE1LDYgQEAgaW50IGFuYWxvZ2l4 X2RwX2JpbmQoc3RydWN0IGRldmljZSAqZGV2LCBzdHJ1Y3QKPiBkcm1fZGV2aWNlICpkcm1fZGV2 LCBnb3RvIGVycl9kaXNhYmxlX3BtX3J1bnRpbWU7Cj4gIAl9Cj4gCj4gLQlwaHlfcG93ZXJfb2Zm KGRwLT5waHkpOwo+ICAJcG1fcnVudGltZV9wdXQoZGV2KTsKPiAKPiAgCXJldHVybiAwOwo+IEBA IC0xNDQ4LDYgKzE0NDcsNyBAQCB2b2lkIGFuYWxvZ2l4X2RwX3VuYmluZChzdHJ1Y3QgZGV2aWNl ICpkZXYsIHN0cnVjdAo+IGRldmljZSAqbWFzdGVyLAo+IAo+ICAJZHJtX2RwX2F1eF91bnJlZ2lz dGVyKCZkcC0+YXV4KTsKPiAgCXBtX3J1bnRpbWVfZGlzYWJsZShkZXYpOwo+ICsJcGh5X3Bvd2Vy X29mZihkcC0+cGh5KTsKPiAgCWNsa19kaXNhYmxlX3VucHJlcGFyZShkcC0+Y2xvY2spOwo+ICB9 Cj4gIEVYUE9SVF9TWU1CT0xfR1BMKGFuYWxvZ2l4X2RwX3VuYmluZCk7CgotLSAKUmVnYXJkcywK CkxhdXJlbnQgUGluY2hhcnQKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNr dG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2Ry aS1kZXZlbAo=