From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lucas Stach Subject: [PATCH 2/5] drm/imx: track flip state explicitly Date: Tue, 9 Feb 2016 15:10:55 +0100 Message-ID: <1455027058-7345-2-git-send-email-l.stach@pengutronix.de> References: <1455027058-7345-1-git-send-email-l.stach@pengutronix.de> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from metis.ext.4.pengutronix.de (metis.ext.4.pengutronix.de [92.198.50.35]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0D6C36E58F for ; Tue, 9 Feb 2016 06:11:01 -0800 (PST) In-Reply-To: <1455027058-7345-1-git-send-email-l.stach@pengutronix.de> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Philipp Zabel Cc: kernel@pengutronix.de, dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org U3RhcnQgdHJhY2tpbmcgdGhlIGZsaXAgc3RhdGUgZXhwbGljaXRseSwgYXMgb3Bwb3NlZCB0byBp bmZlcnJpbmcKaXQgZnJvbSB0aGUgcHJlc2VuY2UgaWYgYSBuZXcgRkIuIFRoaXMgaXMgYSBwcmVw YXJhdG9yeSBzdGVwIHRvCmludHJvZHVjZSBhbiBuZXcgaW1tZWRpYXRlIHN0YXRlLCB3aGVyZSB3 ZSBjYW4gd2FpdCBmb3IgYSBmZW5jZSB0bwpzaWduYWwuCgpTaWduZWQtb2ZmLWJ5OiBMdWNhcyBT dGFjaCA8bC5zdGFjaEBwZW5ndXRyb25peC5kZT4KLS0tCiBkcml2ZXJzL2dwdS9kcm0vaW14L2lw dXYzLWNydGMuYyB8IDE1ICsrKysrKysrKystLS0tLQogMSBmaWxlIGNoYW5nZWQsIDEwIGluc2Vy dGlvbnMoKyksIDUgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2lt eC9pcHV2My1jcnRjLmMgYi9kcml2ZXJzL2dwdS9kcm0vaW14L2lwdXYzLWNydGMuYwppbmRleCBh Nzg3MjdkOTY4M2IuLjU1NjE5YzNkZTA2OSAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2lt eC9pcHV2My1jcnRjLmMKKysrIGIvZHJpdmVycy9ncHUvZHJtL2lteC9pcHV2My1jcnRjLmMKQEAg LTMxLDYgKzMxLDExIEBACiAKICNkZWZpbmUgRFJJVkVSX0RFU0MJCSJpLk1YIElQVXYzIEdyYXBo aWNzIgogCitlbnVtIGlwdV9mbGlwX3N0YXR1cyB7CisJSVBVX0ZMSVBfTk9ORSwKKwlJUFVfRkxJ UF9QRU5ESU5HLAorfTsKKwogc3RydWN0IGlwdV9jcnRjIHsKIAlzdHJ1Y3QgZGV2aWNlCQkqZGV2 OwogCXN0cnVjdCBkcm1fY3J0YwkJYmFzZTsKQEAgLTQyLDggKzQ3LDggQEAgc3RydWN0IGlwdV9j cnRjIHsKIAlzdHJ1Y3QgaXB1X2RjCQkqZGM7CiAJc3RydWN0IGlwdV9kaQkJKmRpOwogCWludAkJ CWVuYWJsZWQ7CisJZW51bSBpcHVfZmxpcF9zdGF0dXMJZmxpcF9zdGF0ZTsKIAlzdHJ1Y3QgZHJt X3BlbmRpbmdfdmJsYW5rX2V2ZW50ICpwYWdlX2ZsaXBfZXZlbnQ7Ci0Jc3RydWN0IGRybV9mcmFt ZWJ1ZmZlcgkqbmV3ZmI7CiAJaW50CQkJaXJxOwogCXUzMgkJCWJ1c19mb3JtYXQ7CiAJaW50CQkJ ZGlfaHN5bmNfcGluOwpAQCAtMTEyLDcgKzExNyw3IEBAIHN0YXRpYyBpbnQgaXB1X3BhZ2VfZmxp cChzdHJ1Y3QgZHJtX2NydGMgKmNydGMsCiAJc3RydWN0IGlwdV9jcnRjICppcHVfY3J0YyA9IHRv X2lwdV9jcnRjKGNydGMpOwogCWludCByZXQ7CiAKLQlpZiAoaXB1X2NydGMtPm5ld2ZiKQorCWlm IChpcHVfY3J0Yy0+ZmxpcF9zdGF0ZSAhPSBJUFVfRkxJUF9OT05FKQogCQlyZXR1cm4gLUVCVVNZ OwogCiAJcmV0ID0gaW14X2RybV9jcnRjX3ZibGFua19nZXQoaXB1X2NydGMtPmlteF9jcnRjKTsK QEAgLTEyMyw4ICsxMjgsOCBAQCBzdGF0aWMgaW50IGlwdV9wYWdlX2ZsaXAoc3RydWN0IGRybV9j cnRjICpjcnRjLAogCQlyZXR1cm4gcmV0OwogCX0KIAotCWlwdV9jcnRjLT5uZXdmYiA9IGZiOwog CWlwdV9jcnRjLT5wYWdlX2ZsaXBfZXZlbnQgPSBldmVudDsKKwlpcHVfY3J0Yy0+ZmxpcF9zdGF0 ZSA9IElQVV9GTElQX1BFTkRJTkc7CiAKIAlyZXR1cm4gMDsKIH0KQEAgLTIyNywxMyArMjMyLDEz IEBAIHN0YXRpYyBpcnFyZXR1cm5fdCBpcHVfaXJxX2hhbmRsZXIoaW50IGlycSwgdm9pZCAqZGV2 X2lkKQogCiAJaW14X2RybV9oYW5kbGVfdmJsYW5rKGlwdV9jcnRjLT5pbXhfY3J0Yyk7CiAKLQlp ZiAoaXB1X2NydGMtPm5ld2ZiKSB7CisJaWYgKGlwdV9jcnRjLT5mbGlwX3N0YXRlID09IElQVV9G TElQX1BFTkRJTkcpIHsKIAkJc3RydWN0IGlwdV9wbGFuZSAqcGxhbmUgPSBpcHVfY3J0Yy0+cGxh bmVbMF07CiAKLQkJaXB1X2NydGMtPm5ld2ZiID0gTlVMTDsKIAkJaXB1X3BsYW5lX3NldF9iYXNl KHBsYW5lLCBpcHVfY3J0Yy0+YmFzZS5wcmltYXJ5LT5mYiwKIAkJCQkgICBwbGFuZS0+eCwgcGxh bmUtPnkpOwogCQlpcHVfY3J0Y19oYW5kbGVfcGFnZWZsaXAoaXB1X2NydGMpOworCQlpcHVfY3J0 Yy0+ZmxpcF9zdGF0ZSA9IElQVV9GTElQX05PTkU7CiAJfQogCiAJcmV0dXJuIElSUV9IQU5ETEVE OwotLSAKMi43LjAucmMzCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3Rv cC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmkt ZGV2ZWwK