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Fri, 26 Jun 2020 19:35:58 -0700 (PDT) X-Gm-Message-State: AOAM530JhJlg49Z05z2dUxDNDMY8pDr78e7OdJp7+//1Dx92tdYfnoH8 FhazXsiBwkZio/hR7CLV8iWyNOGHk4dyElPM7g== X-Google-Smtp-Source: ABdhPJzP4QmbPNwQeLEiF97aUp8PQdQXE1zF6ViwygvifOO7aMKo9MpdiKf0B44WJbGzWjJ4qPlypq0xfkZktqcz1+4= X-Received: by 2002:aa7:c3d6:: with SMTP id l22mr6451343edr.148.1593225357299; Fri, 26 Jun 2020 19:35:57 -0700 (PDT) MIME-Version: 1.0 References: <20200622155753.130181-1-hsinyi@chromium.org> In-Reply-To: <20200622155753.130181-1-hsinyi@chromium.org> From: Chun-Kuang Hu Date: Sat, 27 Jun 2020 10:35:46 +0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v4] drm/mediatek: check plane visibility in atomic_update To: Hsin-Yi Wang X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Chun-Kuang Hu , Philipp Zabel , David Airlie , linux-kernel , DRI Development , Yongqiang Niu , "moderated list:ARM/Mediatek SoC support" , Daniel Vetter , Matthias Brugger , Tomasz Figa , Linux ARM Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org SGksIEhzaW4tWWk6CgpIc2luLVlpIFdhbmcgPGhzaW55aUBjaHJvbWl1bS5vcmc+IOaWvCAyMDIw 5bm0NuaciDIy5pelIOmAseS4gCDkuIvljYgxMTo1N+Wvq+mBk++8mgo+Cj4gRGlzYWJsZSB0aGUg cGxhbmUgaWYgaXQncyBub3QgdmlzaWJsZS4gT3RoZXJ3aXNlIG10a19vdmxfbGF5ZXJfY29uZmln KCkKPiB3b3VsZCBwcm9jZWVkIHdpdGggaW52YWxpZCBwbGFuZSBhbmQgd2UgbWF5IHNlZSB2Ymxh bmsgdGltZW91dC4KPgoKQXBwbGllZCB0byBtZWRpYXRlay1kcm0tbmV4dCBbMV0sIHRoYW5rcy4K ClsxXSBodHRwczovL2dpdC5rZXJuZWwub3JnL3B1Yi9zY20vbGludXgva2VybmVsL2dpdC9jaHVu a3VhbmcuaHUvbGludXguZ2l0L2xvZy8/aD1tZWRpYXRlay1kcm0tbmV4dAoKUmVnYXJkcywKQ2h1 bi1LdWFuZy4KCj4gRml4ZXM6IDExOWY1MTczNjI4YSAoImRybS9tZWRpYXRlazogQWRkIERSTSBE cml2ZXIgZm9yIE1lZGlhdGVrIFNvQyBNVDgxNzMuIikKPiBTaWduZWQtb2ZmLWJ5OiBIc2luLVlp IFdhbmcgPGhzaW55aUBjaHJvbWl1bS5vcmc+Cj4gUmV2aWV3ZWQtYnk6IENodW4tS3VhbmcgSHUg PGNodW5rdWFuZy5odUBrZXJuZWwub3JnPgo+IFJldmlld2VkLWJ5OiBUb21hc3ogRmlnYSA8dGZp Z2FAY2hyb21pdW0ub3JnPgo+IC0tLQo+IHY0OiBmaXggY29tbWl0IG1lc3NhZ2UKPiB2MzogQWRk cmVzcyBjb21tZW50Cj4gdjI6IEFkZCBmaXhlcyB0YWcKPiAtLS0KPiAgZHJpdmVycy9ncHUvZHJt L21lZGlhdGVrL210a19kcm1fcGxhbmUuYyB8IDI1ICsrKysrKysrKysrKysrLS0tLS0tLS0tLQo+ ICAxIGZpbGUgY2hhbmdlZCwgMTUgaW5zZXJ0aW9ucygrKSwgMTAgZGVsZXRpb25zKC0pCj4KPiBk aWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL21lZGlhdGVrL210a19kcm1fcGxhbmUuYyBiL2Ry aXZlcnMvZ3B1L2RybS9tZWRpYXRlay9tdGtfZHJtX3BsYW5lLmMKPiBpbmRleCBjMmJkNjgzYTg3 YzguLjkyMTQxYTE5NjgxYiAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vbWVkaWF0ZWsv bXRrX2RybV9wbGFuZS5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL21lZGlhdGVrL210a19kcm1f cGxhbmUuYwo+IEBAIC0xNjQsNiArMTY0LDE2IEBAIHN0YXRpYyBpbnQgbXRrX3BsYW5lX2F0b21p Y19jaGVjayhzdHJ1Y3QgZHJtX3BsYW5lICpwbGFuZSwKPiAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICB0cnVlLCB0cnVlKTsKPiAgfQo+Cj4gK3N0YXRp YyB2b2lkIG10a19wbGFuZV9hdG9taWNfZGlzYWJsZShzdHJ1Y3QgZHJtX3BsYW5lICpwbGFuZSwK PiArICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgc3RydWN0IGRybV9wbGFuZV9z dGF0ZSAqb2xkX3N0YXRlKQo+ICt7Cj4gKyAgICAgICBzdHJ1Y3QgbXRrX3BsYW5lX3N0YXRlICpz dGF0ZSA9IHRvX210a19wbGFuZV9zdGF0ZShwbGFuZS0+c3RhdGUpOwo+ICsKPiArICAgICAgIHN0 YXRlLT5wZW5kaW5nLmVuYWJsZSA9IGZhbHNlOwo+ICsgICAgICAgd21iKCk7IC8qIE1ha2Ugc3Vy ZSB0aGUgYWJvdmUgcGFyYW1ldGVyIGlzIHNldCBiZWZvcmUgdXBkYXRlICovCj4gKyAgICAgICBz dGF0ZS0+cGVuZGluZy5kaXJ0eSA9IHRydWU7Cj4gK30KPiArCj4gIHN0YXRpYyB2b2lkIG10a19w bGFuZV9hdG9taWNfdXBkYXRlKHN0cnVjdCBkcm1fcGxhbmUgKnBsYW5lLAo+ICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgIHN0cnVjdCBkcm1fcGxhbmVfc3RhdGUgKm9sZF9zdGF0 ZSkKPiAgewo+IEBAIC0xNzgsNiArMTg4LDExIEBAIHN0YXRpYyB2b2lkIG10a19wbGFuZV9hdG9t aWNfdXBkYXRlKHN0cnVjdCBkcm1fcGxhbmUgKnBsYW5lLAo+ICAgICAgICAgaWYgKCFjcnRjIHx8 IFdBUk5fT04oIWZiKSkKPiAgICAgICAgICAgICAgICAgcmV0dXJuOwo+Cj4gKyAgICAgICBpZiAo IXBsYW5lLT5zdGF0ZS0+dmlzaWJsZSkgewo+ICsgICAgICAgICAgICAgICBtdGtfcGxhbmVfYXRv bWljX2Rpc2FibGUocGxhbmUsIG9sZF9zdGF0ZSk7Cj4gKyAgICAgICAgICAgICAgIHJldHVybjsK PiArICAgICAgIH0KPiArCj4gICAgICAgICBnZW0gPSBmYi0+b2JqWzBdOwo+ICAgICAgICAgbXRr X2dlbSA9IHRvX210a19nZW1fb2JqKGdlbSk7Cj4gICAgICAgICBhZGRyID0gbXRrX2dlbS0+ZG1h X2FkZHI7Cj4gQEAgLTIwMCwxNiArMjE1LDYgQEAgc3RhdGljIHZvaWQgbXRrX3BsYW5lX2F0b21p Y191cGRhdGUoc3RydWN0IGRybV9wbGFuZSAqcGxhbmUsCj4gICAgICAgICBzdGF0ZS0+cGVuZGlu Zy5kaXJ0eSA9IHRydWU7Cj4gIH0KPgo+IC1zdGF0aWMgdm9pZCBtdGtfcGxhbmVfYXRvbWljX2Rp c2FibGUoc3RydWN0IGRybV9wbGFuZSAqcGxhbmUsCj4gLSAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgIHN0cnVjdCBkcm1fcGxhbmVfc3RhdGUgKm9sZF9zdGF0ZSkKPiAtewo+IC0g ICAgICAgc3RydWN0IG10a19wbGFuZV9zdGF0ZSAqc3RhdGUgPSB0b19tdGtfcGxhbmVfc3RhdGUo cGxhbmUtPnN0YXRlKTsKPiAtCj4gLSAgICAgICBzdGF0ZS0+cGVuZGluZy5lbmFibGUgPSBmYWxz ZTsKPiAtICAgICAgIHdtYigpOyAvKiBNYWtlIHN1cmUgdGhlIGFib3ZlIHBhcmFtZXRlciBpcyBz ZXQgYmVmb3JlIHVwZGF0ZSAqLwo+IC0gICAgICAgc3RhdGUtPnBlbmRpbmcuZGlydHkgPSB0cnVl Owo+IC19Cj4gLQo+ICBzdGF0aWMgY29uc3Qgc3RydWN0IGRybV9wbGFuZV9oZWxwZXJfZnVuY3Mg bXRrX3BsYW5lX2hlbHBlcl9mdW5jcyA9IHsKPiAgICAgICAgIC5wcmVwYXJlX2ZiID0gZHJtX2dl bV9mYl9wcmVwYXJlX2ZiLAo+ICAgICAgICAgLmF0b21pY19jaGVjayA9IG10a19wbGFuZV9hdG9t aWNfY2hlY2ssCj4gLS0KPiAyLjI3LjAuMTExLmdjNzJjN2RhNjY3LWdvb2cKPgoKX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTGludXgtbWVkaWF0ZWsgbWFp bGluZyBsaXN0CkxpbnV4LW1lZGlhdGVrQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3Rz LmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1tZWRpYXRlawo=