From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jon Hunter Subject: [PATCH 1/3] drm/tegra: Prepare DSI for supporting generic PM domains Date: Fri, 1 Jul 2016 14:21:37 +0100 Message-ID: <1467379299-11961-1-git-send-email-jonathanh@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from hqemgate14.nvidia.com (hqemgate14.nvidia.com [216.228.121.143]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6F8B96EA77 for ; Fri, 1 Jul 2016 13:21:44 +0000 (UTC) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Thierry Reding , David Airlie , Stephen Warren , Alexandre Courbot Cc: linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Jon Hunter List-Id: dri-devel@lists.freedesktop.org VGhlIERTSSBkcml2ZXIgZm9yIFRlZ3JhIHJlcXVpcmVzIHRoZSBTT1IgcG93ZXIgcGFydGl0aW9u IHRvIGJlIGVuYWJsZWQuCk5vdyB0aGF0IFRlZ3JhIHN1cHBvcnRzIHRoZSBnZW5lcmljIFBNIGRv bWFpbiBmcmFtZXdvcmsgd2UgbWFuYWdlIHRoZQpTT1IgcG93ZXIgcGFydGl0aW9uIHZpYSB0aGlz IGZyYW1ld29yay4gSG93ZXZlciwgdGhlIHNlcXVlbmNlIGZvcgpnYXRpbmcvdW5nYXRpbmcgdGhl IFNPUiBwb3dlciBwYXJ0aXRpb24gcmVxdWlyZXMgdGhhdCB0aGUgRFNJIHJlc2V0IGlzCmFzc2Vy dGVkL2RlLWFzc2VydGVkIGF0IHRoZSB0aW1lIHRoZSBTT1IgcG93ZXIgcGFydGl0aW9uIGlzCmdh dGVkL3VuZ2F0ZWQsIHJlc3BlY3RpdmVseS4gTm93IHRoYXQgdGhlIHJlc2V0IGNvbnRyb2wgY29y ZSBhc3N1bWVzCnRoYXQgcmVzZXRzIGFyZSBleGNsdXNpdmUsIHRoZSBUZWdyYSBnZW5lcmljIFBN IGRvbWFpbiBjb2RlIGFuZCB0aGUgRFNJCmRyaXZlciBjYW5ub3QgcmVxdWVzdCB0aGUgc2FtZSBy ZXNldCB1bmxlc3Mgd2UgbWFyayB0aGUgcmVzZXQgYXMgc2hhcmVkLgpTaGFyaW5nIHJlc2V0cyB3 aWxsIG5vdCB3b3JrIGluIHRoaXMgY2FzZSBiZWNhdXNlIHdlIGNhbm5vdCBndWFyYW50ZWUKdGhh dCB0aGUgcmVzZXQgd2lsbCBiZSBhc3NlcnRlZC9kZS1hc3NlcnRlZCBhdCB0aGUgYXBwcm9wcmlh dGUgdGltZS4KVGhlcmVmb3JlLCBnaXZlbiB0aGF0IHRoZSBUZWdyYSBnZW5lcmljIFBNIGRvbWFp biBjb2RlIHdpbGwgaGFuZGxlIHRoZQpyZXNldHMsIGRvIG5vdCByZXF1ZXN0IHRoZSByZXNldCBp biB0aGUgRFNJIGRyaXZlciBpZiB0aGUgRFNJIGRldmljZSBoYXMKYSBQTSBkb21haW4gYXNzb2Np YXRlZC4KClNpZ25lZC1vZmYtYnk6IEpvbiBIdW50ZXIgPGpvbmF0aGFuaEBudmlkaWEuY29tPgot LS0KIGRyaXZlcnMvZ3B1L2RybS90ZWdyYS9kc2kuYyB8IDI4ICsrKysrKysrKysrKysrKysrLS0t LS0tLS0tLS0KIDEgZmlsZSBjaGFuZ2VkLCAxNyBpbnNlcnRpb25zKCspLCAxMSBkZWxldGlvbnMo LSkKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vdGVncmEvZHNpLmMgYi9kcml2ZXJzL2dw dS9kcm0vdGVncmEvZHNpLmMKaW5kZXggNzMwZTZkMjE4MDFhLi4zZDIyOGFkOTBlMGYgMTAwNjQ0 Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS90ZWdyYS9kc2kuYworKysgYi9kcml2ZXJzL2dwdS9kcm0v dGVncmEvZHNpLmMKQEAgLTE0ODgsOSArMTQ4OCwxMSBAQCBzdGF0aWMgaW50IHRlZ3JhX2RzaV9w cm9iZShzdHJ1Y3QgcGxhdGZvcm1fZGV2aWNlICpwZGV2KQogCWRzaS0+Zm9ybWF0ID0gTUlQSV9E U0lfRk1UX1JHQjg4ODsKIAlkc2ktPmxhbmVzID0gNDsKIAotCWRzaS0+cnN0ID0gZGV2bV9yZXNl dF9jb250cm9sX2dldCgmcGRldi0+ZGV2LCAiZHNpIik7Ci0JaWYgKElTX0VSUihkc2ktPnJzdCkp Ci0JCXJldHVybiBQVFJfRVJSKGRzaS0+cnN0KTsKKwlpZiAoIXBkZXYtPmRldi5wbV9kb21haW4p IHsKKwkJZHNpLT5yc3QgPSBkZXZtX3Jlc2V0X2NvbnRyb2xfZ2V0KCZwZGV2LT5kZXYsICJkc2ki KTsKKwkJaWYgKElTX0VSUihkc2ktPnJzdCkpCisJCQlyZXR1cm4gUFRSX0VSUihkc2ktPnJzdCk7 CisJfQogCiAJZHNpLT5jbGsgPSBkZXZtX2Nsa19nZXQoJnBkZXYtPmRldiwgTlVMTCk7CiAJaWYg KElTX0VSUihkc2ktPmNsaykpIHsKQEAgLTE1OTEsMTAgKzE1OTMsMTIgQEAgc3RhdGljIGludCB0 ZWdyYV9kc2lfc3VzcGVuZChzdHJ1Y3QgZGV2aWNlICpkZXYpCiAJc3RydWN0IHRlZ3JhX2RzaSAq ZHNpID0gZGV2X2dldF9kcnZkYXRhKGRldik7CiAJaW50IGVycjsKIAotCWVyciA9IHJlc2V0X2Nv bnRyb2xfYXNzZXJ0KGRzaS0+cnN0KTsKLQlpZiAoZXJyIDwgMCkgewotCQlkZXZfZXJyKGRldiwg ImZhaWxlZCB0byBhc3NlcnQgcmVzZXQ6ICVkXG4iLCBlcnIpOwotCQlyZXR1cm4gZXJyOworCWlm IChkc2ktPnJzdCkgeworCQllcnIgPSByZXNldF9jb250cm9sX2Fzc2VydChkc2ktPnJzdCk7CisJ CWlmIChlcnIgPCAwKSB7CisJCQlkZXZfZXJyKGRldiwgImZhaWxlZCB0byBhc3NlcnQgcmVzZXQ6 ICVkXG4iLCBlcnIpOworCQkJcmV0dXJuIGVycjsKKwkJfQogCX0KIAogCXVzbGVlcF9yYW5nZSgx MDAwLCAyMDAwKTsKQEAgLTE2MzIsMTAgKzE2MzYsMTIgQEAgc3RhdGljIGludCB0ZWdyYV9kc2lf cmVzdW1lKHN0cnVjdCBkZXZpY2UgKmRldikKIAogCXVzbGVlcF9yYW5nZSgxMDAwLCAyMDAwKTsK IAotCWVyciA9IHJlc2V0X2NvbnRyb2xfZGVhc3NlcnQoZHNpLT5yc3QpOwotCWlmIChlcnIgPCAw KSB7Ci0JCWRldl9lcnIoZGV2LCAiY2Fubm90IGFzc2VydCByZXNldDogJWRcbiIsIGVycik7Ci0J CWdvdG8gZGlzYWJsZV9jbGtfbHA7CisJaWYgKGRzaS0+cnN0KSB7CisJCWVyciA9IHJlc2V0X2Nv bnRyb2xfZGVhc3NlcnQoZHNpLT5yc3QpOworCQlpZiAoZXJyIDwgMCkgeworCQkJZGV2X2Vycihk ZXYsICJjYW5ub3QgYXNzZXJ0IHJlc2V0OiAlZFxuIiwgZXJyKTsKKwkJCWdvdG8gZGlzYWJsZV9j bGtfbHA7CisJCX0KIAl9CiAKIAlyZXR1cm4gMDsKLS0gCjIuMS40CgpfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRy aS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5v cmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwK