From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sasha Levin Subject: [PATCH AUTOSEL 4.19 019/167] drm/atomic_helper: Disallow new modesets on unregistered connectors Date: Tue, 3 Sep 2019 12:22:51 -0400 Message-ID: <20190903162519.7136-19-sashal@kernel.org> References: <20190903162519.7136-1-sashal@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by gabe.freedesktop.org (Postfix) with ESMTPS id B6FCD897C3 for ; Tue, 3 Sep 2019 16:25:54 +0000 (UTC) In-Reply-To: <20190903162519.7136-1-sashal@kernel.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Sasha Levin , Daniel Vetter , dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org RnJvbTogTHl1ZGUgUGF1bCA8bHl1ZGVAcmVkaGF0LmNvbT4KClsgVXBzdHJlYW0gY29tbWl0IDRk ODAyNzM5NzZiZjg4MGM0YmVkOTM1OWI4ZjJkNDU2NjMxNDBjODYgXQoKV2l0aCB0aGUgZXhjZXB0 aW9uIG9mIG1vZGVzZXRzIHdoaWNoIHdvdWxkIHN3aXRjaCB0aGUgRFBNUyBzdGF0ZSBvZiBhCmNv bm5lY3RvciBmcm9tIG9uIHRvIG9mZiwgd2Ugd2FudCB0byBtYWtlIHN1cmUgdGhhdCB3ZSBkaXNh bGxvdyBhbGwKbW9kZXNldHMgd2hpY2ggd291bGQgcmVzdWx0IGluIGVuYWJsaW5nIGEgbmV3IG1v bml0b3Igb3IgYSBuZXcgbW9kZQpjb25maWd1cmF0aW9uIG9uIGEgbW9uaXRvciBpZiB0aGUgY29u bmVjdG9yIGZvciB0aGUgZGlzcGxheSBpbiBxdWVzdGlvbgppcyBubyBsb25nZXIgcmVnaXN0ZXJl ZC4gVGhpcyBhbGxvd3MgdXMgdG8gc3RvcCB1c2Vyc3BhY2UgZnJvbSB0cnlpbmcgdG8KZW5hYmxl IG5ldyBkaXNwbGF5cyBvbiBjb25uZWN0b3JzIGZvciBhbiBNU1QgdG9wb2xvZ3kgdGhhdCB3ZXJl IGp1c3QKcmVtb3ZlZCBmcm9tIHRoZSBzeXN0ZW0sIHdpdGhvdXQgcHJldmVudGluZyB1c2Vyc3Bh Y2UgZnJvbSBkaXNhYmxpbmcKRFBNUyBvbiB0aG9zZSBjb25uZWN0b3JzLgoKQ2hhbmdlcyBzaW5j ZSB2NToKLSBGaXggdHlwbyBpbiBjb21tZW50LCBub3RoaW5nIGVsc2UKClNpZ25lZC1vZmYtYnk6 IEx5dWRlIFBhdWwgPGx5dWRlQHJlZGhhdC5jb20+ClJldmlld2VkLWJ5OiBEYW5pZWwgVmV0dGVy IDxkYW5pZWwudmV0dGVyQGZmd2xsLmNoPgpDYzogc3RhYmxlQHZnZXIua2VybmVsLm9yZwpMaW5r OiBodHRwczovL3BhdGNod29yay5mcmVlZGVza3RvcC5vcmcvcGF0Y2gvbXNnaWQvMjAxODEwMDgy MzI0MzcuNTU3MS0yLWx5dWRlQHJlZGhhdC5jb20KU2lnbmVkLW9mZi1ieTogU2FzaGEgTGV2aW4g PHNhc2hhbEBrZXJuZWwub3JnPgotLS0KIGRyaXZlcnMvZ3B1L2RybS9kcm1fYXRvbWljX2hlbHBl ci5jIHwgMjEgKysrKysrKysrKysrKysrKysrKystCiAxIGZpbGUgY2hhbmdlZCwgMjAgaW5zZXJ0 aW9ucygrKSwgMSBkZWxldGlvbigtKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9kcm1f YXRvbWljX2hlbHBlci5jIGIvZHJpdmVycy9ncHUvZHJtL2RybV9hdG9taWNfaGVscGVyLmMKaW5k ZXggYzIyMDYyY2M5OTkyMy4uNzFjNzBhMDMxYTA0MyAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUv ZHJtL2RybV9hdG9taWNfaGVscGVyLmMKKysrIGIvZHJpdmVycy9ncHUvZHJtL2RybV9hdG9taWNf aGVscGVyLmMKQEAgLTMwNyw2ICszMDcsMjYgQEAgdXBkYXRlX2Nvbm5lY3Rvcl9yb3V0aW5nKHN0 cnVjdCBkcm1fYXRvbWljX3N0YXRlICpzdGF0ZSwKIAkJcmV0dXJuIDA7CiAJfQogCisJY3J0Y19z dGF0ZSA9IGRybV9hdG9taWNfZ2V0X25ld19jcnRjX3N0YXRlKHN0YXRlLAorCQkJCQkJICAgbmV3 X2Nvbm5lY3Rvcl9zdGF0ZS0+Y3J0Yyk7CisJLyoKKwkgKiBGb3IgY29tcGF0aWJpbGl0eSB3aXRo IGxlZ2FjeSB1c2Vycywgd2Ugd2FudCB0byBtYWtlIHN1cmUgdGhhdAorCSAqIHdlIGFsbG93IERQ TVMgT24tPk9mZiBtb2Rlc2V0cyBvbiB1bnJlZ2lzdGVyZWQgY29ubmVjdG9ycy4gTW9kZXNldHMK KwkgKiB3aGljaCB3b3VsZCByZXN1bHQgaW4gYW55dGhpbmcgZWxzZSBtdXN0IGJlIGNvbnNpZGVy ZWQgaW52YWxpZCwgdG8KKwkgKiBhdm9pZCB0dXJuaW5nIG9uIG5ldyBkaXNwbGF5cyBvbiBkZWFk IGNvbm5lY3RvcnMuCisJICoKKwkgKiBTaW5jZSB0aGUgY29ubmVjdG9yIGNhbiBiZSB1bnJlZ2lz dGVyZWQgYXQgYW55IHBvaW50IGR1cmluZyBhbgorCSAqIGF0b21pYyBjaGVjayBvciBjb21taXQs IHRoaXMgaXMgcmFjeS4gQnV0IHRoYXQncyBPSzogYWxsIHdlIGNhcmUKKwkgKiBhYm91dCBpcyBl bnN1cmluZyB0aGF0IHVzZXJzcGFjZSBjYW4ndCBkbyBhbnl0aGluZyBidXQgc2h1dCBvZmYgdGhl CisJICogZGlzcGxheSBvbiBhIGNvbm5lY3RvciB0aGF0IHdhcyBkZXN0cm95ZWQgYWZ0ZXIgaXRz IGJlZW4gbm90aWZpZWQsCisJICogbm90IGJlZm9yZS4KKwkgKi8KKwlpZiAoIVJFQURfT05DRShj b25uZWN0b3ItPnJlZ2lzdGVyZWQpICYmIGNydGNfc3RhdGUtPmFjdGl2ZSkgeworCQlEUk1fREVC VUdfQVRPTUlDKCJbQ09OTkVDVE9SOiVkOiVzXSBpcyBub3QgcmVnaXN0ZXJlZFxuIiwKKwkJCQkg Y29ubmVjdG9yLT5iYXNlLmlkLCBjb25uZWN0b3ItPm5hbWUpOworCQlyZXR1cm4gLUVJTlZBTDsK Kwl9CisKIAlmdW5jcyA9IGNvbm5lY3Rvci0+aGVscGVyX3ByaXZhdGU7CiAKIAlpZiAoZnVuY3Mt PmF0b21pY19iZXN0X2VuY29kZXIpCkBAIC0zNTEsNyArMzcxLDYgQEAgdXBkYXRlX2Nvbm5lY3Rv cl9yb3V0aW5nKHN0cnVjdCBkcm1fYXRvbWljX3N0YXRlICpzdGF0ZSwKIAogCXNldF9iZXN0X2Vu Y29kZXIoc3RhdGUsIG5ld19jb25uZWN0b3Jfc3RhdGUsIG5ld19lbmNvZGVyKTsKIAotCWNydGNf c3RhdGUgPSBkcm1fYXRvbWljX2dldF9uZXdfY3J0Y19zdGF0ZShzdGF0ZSwgbmV3X2Nvbm5lY3Rv cl9zdGF0ZS0+Y3J0Yyk7CiAJY3J0Y19zdGF0ZS0+Y29ubmVjdG9yc19jaGFuZ2VkID0gdHJ1ZTsK IAogCURSTV9ERUJVR19BVE9NSUMoIltDT05ORUNUT1I6JWQ6JXNdIHVzaW5nIFtFTkNPREVSOiVk OiVzXSBvbiBbQ1JUQzolZDolc11cbiIsCi0tIAoyLjIwLjEKCl9fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRl dmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9t YWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbA==