From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Reding Subject: [PATCH] drm/tegra: sor: Reset the SOR if possible Date: Thu, 6 Dec 2018 18:56:47 +0100 Message-ID: <20181206175647.29019-1-thierry.reding@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-wr1-x441.google.com (mail-wr1-x441.google.com [IPv6:2a00:1450:4864:20::441]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2B1386E621 for ; Thu, 6 Dec 2018 17:56:52 +0000 (UTC) Received: by mail-wr1-x441.google.com with SMTP id p4so1373020wrt.7 for ; Thu, 06 Dec 2018 09:56:52 -0800 (PST) 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: linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org RnJvbTogVGhpZXJyeSBSZWRpbmcgPHRyZWRpbmdAbnZpZGlhLmNvbT4KCklmIHRoZSBTT1IgaXMg YWxyZWFkeSB1cCBhbmQgcnVubmluZyB3aGVuIHRoZSBrZXJuZWwgZHJpdmVyIGlzIHByb2JlZCwK c2V0dGluZyBhIG1vZGUgd2lsbCB0eXBpY2FsbHkgZmFpbC4gVGhpcyBjYW4gYmUgc2VlbiBmb3Ig ZXhhbXBsZSBvbgpKZXRzb24gVFgyLiBVbmRlciBjZXJ0YWluIGNpcmN1bXN0YW5jZXMgdGhlIGdl bmVyaWMgcG93ZXIgZG9tYWluIGNvZGUKd2lsbCBjYXVzZSB0aGUgU09SIHRvIGJlIHJlc2V0LiBI b3dldmVyLCBpZiB0aGUgcG93ZXIgZG9tYWluIGlzIG5ldmVyCnBvd2VyZWQgb2ZmICh0aGlzIGNh biBoYXBwZW4gaWYgdGhlIEhEQSBjb250cm9sbGVyIGlzIGVuYWJsZWQsIHdoaWNoCmlzIHBhcnQg b2YgdGhlIHNhbWUgcG93ZXIgZG9tYWluIGFzIHRoZSBTT1IpLCB0aGVuIHRoZSBTT1Igd2lsbCBl bmQgdXAKbm90IGdldHRpbmcgcmVzZXQgYW5kIGZhaWwgdG8gcHJvcGVybHkgc2V0IGEgbW9kZS4K ClRvIHdvcmsgYXJvdW5kIHRoaXMsIHRyeSB0byBnZXQgdGhlIHJlc2V0IGNvbnRyb2wgYW5kIGFz c2VydC9kZWFzc2VydAppdCwgaXJyZXNwZWN0aXZlIG9mIHdoZXRoZXIgb3Igbm90IGEgZ2VuZXJp YyBwb3dlciBkb21haW4gaXMgYXR0YWNoZWQKdG8gdGhlIFNPUi4gT24gcGxhdGZvcm1zIHdoZXJl IHRoZSBrZXJuZWwgaW1wbGVtZW50cyBnZW5lcmljIHBvd2VyCmRvbWFpbnMgKHVwIHRvIFRlZ3Jh MjEwKSB0aGlzIHdpbGwgZmFpbCwgYmVjYXVzZSB0aGUgcG93ZXIgZG9tYWluIHdpbGwKYWxyZWFk eSBoYXZlIGFjcXVpcmVkIGFuIGV4Y2x1c2l2ZSByZWZlcmVuY2UgdG8gdGhlIHJlc2V0IGNvbnRy b2wuIEJ1dApvbiByZWNlbnQgcGxhdGZvcm1zIHRoZXJlIHRoZSBCUE1QIHByb3ZpZGVzIGFuIEFC SSB0byBjb250cm9sIHBvd2VyCmRvbWFpbnMsIGl0J3MgcG9zc2libGUgdG8gYWNxdWlyZSB0aGUg cmVzZXQgY29udHJvbCBmcm9tIFNPUiBhbmQgdXNlCml0IHRvIHB1dCB0aGUgU09SIGludG8gYSBr bm93biBnb29kIHN0YXRlIGF0IHByb2JlIHRpbWUuCgpUaGUgcHJvcGVyIHNvbHV0aW9uIGZvciB0 aGlzIGlzIHRvIG1ha2UgdGhlIFNPUiBkcml2ZXIgY2FwYWJsZSBvZgpkZWFsaW5nIHdpdGggaGFy ZHdhcmUgdGhhdCdzIGFscmVhZHkgdXAgYW5kIHJ1bm5pbmcgKGJ5IGZpcnN0IGdyYWNlLQpmdWxs eSBzaHV0dGluZyBpdCBkb3duLCBvciBwZXJoYXBzIGJ5IHNlYW1sZXNzbHkgdHJhbnNpdGlvbmlu ZyB0byB0aGUKa2VybmVsIGRyaXZlciBhbmQgdGFraW5nIG92ZXIgdGhlIHJ1bm5pbmcgZGlzcGxh eSBjb25maWd1cmF0aW9uKS4gVGhhdAppcyBmYWlybHkgaW52b2x2ZWQsIHRob3VnaCwgc28gd2Un bGwgZ28gd2l0aCB0aGlzIHF1aWNrZml4IGZvciBub3cuCgpTaWduZWQtb2ZmLWJ5OiBUaGllcnJ5 IFJlZGluZyA8dHJlZGluZ0BudmlkaWEuY29tPgotLS0KIGRyaXZlcnMvZ3B1L2RybS90ZWdyYS9z b3IuYyB8IDE3ICsrKysrKysrKysrKystLS0tCiAxIGZpbGUgY2hhbmdlZCwgMTMgaW5zZXJ0aW9u cygrKSwgNCBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vdGVncmEv c29yLmMgYi9kcml2ZXJzL2dwdS9kcm0vdGVncmEvc29yLmMKaW5kZXggMDdhMDc3YmQ3M2U0Li5l Zjg2OTJiNzA3NWEgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS90ZWdyYS9zb3IuYworKysg Yi9kcml2ZXJzL2dwdS9kcm0vdGVncmEvc29yLmMKQEAgLTMzNDAsMTQgKzMzNDAsMjMgQEAgc3Rh dGljIGludCB0ZWdyYV9zb3JfcHJvYmUoc3RydWN0IHBsYXRmb3JtX2RldmljZSAqcGRldikKIAkJ Z290byByZW1vdmU7CiAJfQogCi0JaWYgKCFwZGV2LT5kZXYucG1fZG9tYWluKSB7Ci0JCXNvci0+ cnN0ID0gZGV2bV9yZXNldF9jb250cm9sX2dldCgmcGRldi0+ZGV2LCAic29yIik7Ci0JCWlmIChJ U19FUlIoc29yLT5yc3QpKSB7Ci0JCQllcnIgPSBQVFJfRVJSKHNvci0+cnN0KTsKKwlzb3ItPnJz dCA9IGRldm1fcmVzZXRfY29udHJvbF9nZXQoJnBkZXYtPmRldiwgInNvciIpOworCWlmIChJU19F UlIoc29yLT5yc3QpKSB7CisJCWVyciA9IFBUUl9FUlIoc29yLT5yc3QpOworCisJCWlmIChlcnIg IT0gLUVCVVNZIHx8IFdBUk5fT04oIXBkZXYtPmRldi5wbV9kb21haW4pKSB7CiAJCQlkZXZfZXJy KCZwZGV2LT5kZXYsICJmYWlsZWQgdG8gZ2V0IHJlc2V0IGNvbnRyb2w6ICVkXG4iLAogCQkJCWVy cik7CiAJCQlnb3RvIHJlbW92ZTsKIAkJfQorCisJCS8qCisJCSAqIEF0IHRoaXMgcG9pbnQsIHRo ZSByZXNldCBjb250cm9sIGlzIG1vc3QgbGlrZWx5IGJlaW5nIHVzZWQKKwkJICogYnkgdGhlIGdl bmVyaWMgcG93ZXIgZG9tYWluIGltcGxlbWVudGF0aW9uLiBXaXRoIGFueSBsdWNrCisJCSAqIHRo ZSBwb3dlciBkb21haW4gd2lsbCBoYXZlIHRha2VuIGNhcmUgb2YgcmVzZXR0aW5nIHRoZSBTT1IK KwkJICogYW5kIHdlIGRvbid0IGhhdmUgdG8gZG8gYW55dGhpbmcuCisJCSAqLworCQlzb3ItPnJz dCA9IE5VTEw7CiAJfQogCiAJc29yLT5jbGsgPSBkZXZtX2Nsa19nZXQoJnBkZXYtPmRldiwgTlVM TCk7Ci0tIAoyLjE5LjEKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9w Lm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1k ZXZlbAo=