From mboxrd@z Thu Jan 1 00:00:00 1970 From: Helen Koike Subject: Re: [PATCH v2 1/5] drm/rockchip: fix fb references in async update Date: Tue, 12 Mar 2019 12:34:45 -0300 Message-ID: References: <20190312022204.2775-1-helen.koike@collabora.com> <20190312022204.2775-2-helen.koike@collabora.com> <20190312073438.05ad8173@collabora.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20190312073438.05ad8173@collabora.com> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Boris Brezillon Cc: =?UTF-8?Q?St=c3=a9phane_Marchesin?= , Sean Paul , David Airlie , daniel.vetter@ffwll.ch, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Tomasz Figa , linux-rockchip@lists.infradead.org, kernel@collabora.com, nicholas.kazlauskas@amd.com, linux-arm-kernel@lists.infradead.org List-Id: linux-rockchip.vger.kernel.org CgpPbiAzLzEyLzE5IDM6MzQgQU0sIEJvcmlzIEJyZXppbGxvbiB3cm90ZToKPiBPbiBNb24sIDEx IE1hciAyMDE5IDIzOjIxOjU5IC0wMzAwCj4gSGVsZW4gS29pa2UgPGhlbGVuLmtvaWtlQGNvbGxh Ym9yYS5jb20+IHdyb3RlOgo+IAo+PiBJbiB0aGUgY2FzZSBvZiBhc3luYyB1cGRhdGUsIG1vZGlm aWNhdGlvbnMgYXJlIGRvbmUgaW4gcGxhY2UsIGkuZS4gaW4gdGhlCj4+IGN1cnJlbnQgcGxhbmUg c3RhdGUsIHNvIHRoZSBuZXdfc3RhdGUgaXMgcHJlcGFyZWQgYW5kIHRoZSBuZXdfc3RhdGUgaXMK Pj4gY2xlYW51cCB1cCAoaW5zdGVhZCBvZiB0aGUgb2xkX3N0YXRlLCBkaWZlcnJlbnRseSBvbiB3 aGF0IGhhcHBlbiBpbiBhCj4gCj4gICBeIGNsZWFuZWQgdXAJCQkJXiBkaWZmZXJlbnRseSAoYnV0 IG1heWJlCj4gInVubGlrZSB3aGF0IGhhcHBlbnMiIGlzIG1vcmUgYXBwcm9wcmlhdGUgaGVyZSku Cj4gCj4+IG5vcm1hbCBzeW5jIHVwZGF0ZSkuCj4+IFRvIGNsZWFudXAgdGhlIG9sZF9mYiBwcm9w ZXJseSwgaXQgbmVlZHMgdG8gYmUgcGxhY2VkIGluIHRoZSBuZXdfc3RhdGUKPj4gaW4gdGhlIGVu ZCBvZiBhc3luY191cGRhdGUsIHNvIGNsZWFudXAgY2FsbCB3aWxsIHVucmVmZXJlbmNlIHRoZSBv bGRfZmIKPj4gY29ycmVjdGx5Lgo+Pgo+PiBBbHNvLCB0aGUgcHJldmlvdXMgY29kZSBoYWQgYToK Pj4KPj4gCXBsYW5lX3N0YXRlID0gcGxhbmUtPmZ1bmNzLT5hdG9taWNfZHVwbGljYXRlX3N0YXRl KHBsYW5lKTsKPj4gCS4uLgo+PiAJc3dhcChwbGFuZV9zdGF0ZSwgcGxhbmUtPnN0YXRlKTsKPj4K Pj4gCWlmIChwbGFuZS0+c3RhdGUtPmZiICYmIHBsYW5lLT5zdGF0ZS0+ZmIgIT0gbmV3X3N0YXRl LT5mYikgewo+PiAJLi4uCj4+IAl9Cj4+Cj4+IFdoaWNoIHdhcyB3cm9uZywgYXMgdGhlIGZiIHdl cmUganVzdCBhc3NpZ25lZCB0byBiZSBlcXVhbCwgc28gdGhpcyBpZgo+PiBzdGF0ZW1lbnQgbmV2 ZXJzIGV2YWx1YXRlcyB0byB0cnVlLgo+Pgo+PiBBbm90aGVyIGRldGFpbHMgaXMgdGhhdCB0aGUg ZnVuY3Rpb24gZHJtX2NydGNfdmJsYW5rX2dldCgpIGNhbiBvbmx5IGJlCj4+IGNhbGxlZCB3aGVu IHZvcC0+aXNfZW5hYmxlZCBpcyB0cnVlLCBvdGhlcndpc2UgaXQgaGFzIG5vIGVmZmVjdCBhbmQK Pj4gdHJvd3MgYSBXQVJOX09OKCkuCj4+Cj4+IENhbGxpbmcgZHJtX2F0b21pY19zZXRfZmJfZm9y X3BsYW5lKCkgKHdoaWNoIGdldCBhIHJlZmVyZW50IG9mIHRoZSBuZXcKPj4gZmIgYW5kIHB1cyB0 aGUgb2xkIGZiKSBpcyBub3QgcmVxdWlyZWQsIGFzIGl0IGlzIHRha2VuIGNhcmUgYnkKPj4gZHJt X21vZGVfY3Vyc29yX3VuaXZlcnNhbCgpIHdoZW4gY2FsbGluZwo+PiBkcm1fYXRvbWljX2hlbHBl cl91cGRhdGVfcGxhbmUoKS4KPj4KPj4gU2lnbmVkLW9mZi1ieTogSGVsZW4gS29pa2UgPGhlbGVu LmtvaWtlQGNvbGxhYm9yYS5jb20+Cj4+Cj4+IC0tLQo+PiBIZWxsbywKPj4KPj4gSSB0ZXN0ZWQg b24gdGhlIHJvY2tjaGlwIGZpY3VzIHYxLjEgdXNpbmcgaWd0IHBsYW5lX2N1cnNvcl9sZWdhY3kg YW5kCj4+IGttc19jdXJzb3JfbGVnYWN5IGFuZCBJIGRpZG4ndCBzZWUgYW55IHJlZ3Jlc3Npb25z Lgo+Pgo+PiBDaGFuZ2VzIGluIHYyOiBOb25lCj4+Cj4+ICBkcml2ZXJzL2dwdS9kcm0vcm9ja2No aXAvcm9ja2NoaXBfZHJtX3ZvcC5jIHwgNDIgKysrKysrKysrKysrLS0tLS0tLS0tCj4+ICAxIGZp bGUgY2hhbmdlZCwgMjQgaW5zZXJ0aW9ucygrKSwgMTggZGVsZXRpb25zKC0pCj4+Cj4+IGRpZmYg LS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vcm9ja2NoaXAvcm9ja2NoaXBfZHJtX3ZvcC5jIGIvZHJp dmVycy9ncHUvZHJtL3JvY2tjaGlwL3JvY2tjaGlwX2RybV92b3AuYwo+PiBpbmRleCBjN2Q0YzYw NzNlYTUuLmExZWU4YzE1NmE3YiAxMDA2NDQKPj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL3JvY2tj aGlwL3JvY2tjaGlwX2RybV92b3AuYwo+PiArKysgYi9kcml2ZXJzL2dwdS9kcm0vcm9ja2NoaXAv cm9ja2NoaXBfZHJtX3ZvcC5jCj4+IEBAIC05MTIsMzAgKzkxMiwzMSBAQCBzdGF0aWMgdm9pZCB2 b3BfcGxhbmVfYXRvbWljX2FzeW5jX3VwZGF0ZShzdHJ1Y3QgZHJtX3BsYW5lICpwbGFuZSwKPj4g IAkJCQkJICBzdHJ1Y3QgZHJtX3BsYW5lX3N0YXRlICpuZXdfc3RhdGUpCj4+ICB7Cj4+ICAJc3Ry dWN0IHZvcCAqdm9wID0gdG9fdm9wKHBsYW5lLT5zdGF0ZS0+Y3J0Yyk7Cj4+IC0Jc3RydWN0IGRy bV9wbGFuZV9zdGF0ZSAqcGxhbmVfc3RhdGU7Cj4+ICsJc3RydWN0IGRybV9mcmFtZWJ1ZmZlciAq b2xkX2ZiID0gcGxhbmUtPnN0YXRlLT5mYjsKPj4gIAo+PiAtCXBsYW5lX3N0YXRlID0gcGxhbmUt PmZ1bmNzLT5hdG9taWNfZHVwbGljYXRlX3N0YXRlKHBsYW5lKTsKPj4gLQlwbGFuZV9zdGF0ZS0+ Y3J0Y194ID0gbmV3X3N0YXRlLT5jcnRjX3g7Cj4+IC0JcGxhbmVfc3RhdGUtPmNydGNfeSA9IG5l d19zdGF0ZS0+Y3J0Y195Owo+PiAtCXBsYW5lX3N0YXRlLT5jcnRjX2ggPSBuZXdfc3RhdGUtPmNy dGNfaDsKPj4gLQlwbGFuZV9zdGF0ZS0+Y3J0Y193ID0gbmV3X3N0YXRlLT5jcnRjX3c7Cj4+IC0J cGxhbmVfc3RhdGUtPnNyY194ID0gbmV3X3N0YXRlLT5zcmNfeDsKPj4gLQlwbGFuZV9zdGF0ZS0+ c3JjX3kgPSBuZXdfc3RhdGUtPnNyY195Owo+PiAtCXBsYW5lX3N0YXRlLT5zcmNfaCA9IG5ld19z dGF0ZS0+c3JjX2g7Cj4+IC0JcGxhbmVfc3RhdGUtPnNyY193ID0gbmV3X3N0YXRlLT5zcmNfdzsK Pj4gLQo+PiAtCWlmIChwbGFuZV9zdGF0ZS0+ZmIgIT0gbmV3X3N0YXRlLT5mYikKPj4gLQkJZHJt X2F0b21pY19zZXRfZmJfZm9yX3BsYW5lKHBsYW5lX3N0YXRlLCBuZXdfc3RhdGUtPmZiKTsKPj4g LQo+PiAtCXN3YXAocGxhbmVfc3RhdGUsIHBsYW5lLT5zdGF0ZSk7Cj4+IC0KPj4gLQlpZiAocGxh bmUtPnN0YXRlLT5mYiAmJiBwbGFuZS0+c3RhdGUtPmZiICE9IG5ld19zdGF0ZS0+ZmIpIHsKPj4g KwkvKgo+PiArCSAqIEEgc2Nhbm91dCBjYW4gc3RpbGwgYmUgb2NjdXJyaW5nLCBzbyB3ZSBjYW4n dCBkcm9wIHRoZSByZWZlcmVuY2UgdG8KPj4gKwkgKiB0aGUgb2xkIGZyYW1lYnVmZmVyLiBUbyBz b2x2ZSB0aGlzIHdlIGdldCBhIHJlZmVyZW5jZSB0byBvbGRfZmIgYW5kCj4+ICsJICogc2V0IGEg d29ya2VyIHRvIHJlbGVhc2UgaXQgbGF0ZXIuCj4gCj4gSG0sIGRvZXNuJ3QgbG9vayBsaWtlIGFu IGFzeW5jIHVwZGF0ZSB0byBtZSBpZiB3ZSBoYXZlIHRvIHdhaXQgZm9yIHRoZQo+IG5leHQgVkJM QU5LIHRvIGhhcHBlbiB0byBnZXQgdGhlIG5ldyBjb250ZW50IG9uIHRoZSBzY3JlZW4uIE1heWJl IHdlCj4gc2hvdWxkIHJlamVjdCBhc3luYyB1cGRhdGVzIHdoZW4gb2xkX2ZiICE9IG5ld19mYiBp biB0aGUgcmsKPiAtPmFzeW5jX2NoZWNrKCkgaG9vay4KClVubGVzcyBJIGFtIG1pc3VuZGVyc3Rh bmRpbmcgdGhpcywgd2UgZG9uJ3Qgd2FpdCBoZXJlLCB3ZSBqdXN0IGdyYWIgYQpyZWZlcmVuY2Ug dG8gdGhlIGZiIGluIGNhc2UgaXQgaXMgYmVpbmcgc3RpbGwgdXNlZCBieSB0aGUgaHcsIHNvIGl0 CmRvZXNuJ3QgZ2V0IHJlbGVhc2VkIHByZW1hdHVyZWx5LgoKPiAKPj4gKwkgKi8KPj4gKwlpZiAo dm9wLT5pc19lbmFibGVkICYmCj4+ICsJICAgIHBsYW5lLT5zdGF0ZS0+ZmIgJiYgcGxhbmUtPnN0 YXRlLT5mYiAhPSBuZXdfc3RhdGUtPmZiKSB7Cj4+ICAJCWRybV9mcmFtZWJ1ZmZlcl9nZXQocGxh bmUtPnN0YXRlLT5mYik7Cj4+ICAJCVdBUk5fT04oZHJtX2NydGNfdmJsYW5rX2dldChwbGFuZS0+ c3RhdGUtPmNydGMpICE9IDApOwo+PiAgCQlkcm1fZmxpcF93b3JrX3F1ZXVlKCZ2b3AtPmZiX3Vu cmVmX3dvcmssIHBsYW5lLT5zdGF0ZS0+ZmIpOwo+PiAgCQlzZXRfYml0KFZPUF9QRU5ESU5HX0ZC X1VOUkVGLCAmdm9wLT5wZW5kaW5nKTsKPj4gIAl9Cj4gCj4gSW4gYW55IGNhc2UsIEkgdGhpbmsg dGhpcyBzaG91bGQgYmUgY2FsbGVkIGFmdGVyCj4gdm9wX3BsYW5lX2F0b21pY191cGRhdGUoKSB0 byBwcmV2ZW50IHRoZSBzaXR1YXRpb24gd2hlcmUgdGhlIFZCTEFOSwo+IGV2ZW50IGhhcHBlbnMg YmV0d2VlbiB0aGlzIHBvaW50IGFuZCB0aGUgZm9sbG93aW5nCj4gdm9wX3BsYW5lX2F0b21pY191 cGRhdGUoKSBjYWxsLgoKYWNrLCBJJ2xsIHVwZGF0ZSBpdCBpbiB0aGUgbmV4dCB2ZXJzaW9uLgoK PiAKPj4gIAo+PiArCXBsYW5lLT5zdGF0ZS0+Y3J0Y194ID0gbmV3X3N0YXRlLT5jcnRjX3g7Cj4+ ICsJcGxhbmUtPnN0YXRlLT5jcnRjX3kgPSBuZXdfc3RhdGUtPmNydGNfeTsKPj4gKwlwbGFuZS0+ c3RhdGUtPmNydGNfaCA9IG5ld19zdGF0ZS0+Y3J0Y19oOwo+PiArCXBsYW5lLT5zdGF0ZS0+Y3J0 Y193ID0gbmV3X3N0YXRlLT5jcnRjX3c7Cj4+ICsJcGxhbmUtPnN0YXRlLT5zcmNfeCA9IG5ld19z dGF0ZS0+c3JjX3g7Cj4+ICsJcGxhbmUtPnN0YXRlLT5zcmNfeSA9IG5ld19zdGF0ZS0+c3JjX3k7 Cj4+ICsJcGxhbmUtPnN0YXRlLT5zcmNfaCA9IG5ld19zdGF0ZS0+c3JjX2g7Cj4+ICsJcGxhbmUt PnN0YXRlLT5zcmNfdyA9IG5ld19zdGF0ZS0+c3JjX3c7Cj4+ICsJcGxhbmUtPnN0YXRlLT5mYiA9 IG5ld19zdGF0ZS0+ZmI7Cj4gCj4gQW55IHJlYXNvbiBub3QgdG8gdXNlIHN3YXAoKSBoZXJlIGFu ZCByZWZlcmVuY2UgcGxhbmUtPnN0YXRlLT5mYgo+IGluc3RlYWQgb2YgbmV3X3N0YXRlLT5mYiBh ZnRlciB0aGlzIHBvaW50PwoKSSBoYWQgdGhlIGltcHJlc3Npb24gSSBoYWQgdG8gZG8gdGhpcyBp biBvbmUgb2YgbXkgdGVzdHMsIGJ1dCByZS10ZXN0aW5nCm5vdyBhbmQgcmUtbG9va2luZyBhdCB0 aGUgY29kZSB0aGlzIGRvZXNuJ3Qgc2VlbSB0byBiZSBuZWNlc3NhcnkuIEknbGwKdXNlIGEgc3dh cCgpIGluIHRoZSBuZXh0IHZlcnNpb24uCgpUaGFua3MgZm9yIHlvdXIgZmVlZGJhY2suCkhlbGVu Cgo+IAo+PiArCj4+ICAJaWYgKHZvcC0+aXNfZW5hYmxlZCkgewo+PiAgCQlyb2NrY2hpcF9kcm1f cHNyX2luaGliaXRfZ2V0X3N0YXRlKG5ld19zdGF0ZS0+c3RhdGUpOwo+PiAgCQl2b3BfcGxhbmVf YXRvbWljX3VwZGF0ZShwbGFuZSwgcGxhbmUtPnN0YXRlKTsKPj4gQEAgLTk0NSw3ICs5NDYsMTIg QEAgc3RhdGljIHZvaWQgdm9wX3BsYW5lX2F0b21pY19hc3luY191cGRhdGUoc3RydWN0IGRybV9w bGFuZSAqcGxhbmUsCj4+ICAJCXJvY2tjaGlwX2RybV9wc3JfaW5oaWJpdF9wdXRfc3RhdGUobmV3 X3N0YXRlLT5zdGF0ZSk7Cj4+ICAJfQo+PiAgCj4+IC0JcGxhbmUtPmZ1bmNzLT5hdG9taWNfZGVz dHJveV9zdGF0ZShwbGFuZSwgcGxhbmVfc3RhdGUpOwo+PiArCS8qCj4+ICsJICogSW4gYXN5bmMg dXBkYXRlIHdlIHBlcmZvcm0gaW5wbGFjZSBtb2RpZmljYXRpb25zIGFuZCByZWxlYXNlIHRoZQo+ PiArCSAqIG5ld19zdGF0ZS4gVGhlIGZvbGxvd2luZyBpcyByZXF1aXJlZCBzbyB3ZSByZWxlYXNl IHRoZSByZWZlcmVuY2Ugb2YKPj4gKwkgKiB0aGUgb2xkIGZyYW1lYnVmZmVyLgo+PiArCSAqLwo+ PiArCW5ld19zdGF0ZS0+ZmIgPSBvbGRfZmI7Cj4+ICB9Cj4+ICAKPj4gIHN0YXRpYyBjb25zdCBz dHJ1Y3QgZHJtX3BsYW5lX2hlbHBlcl9mdW5jcyBwbGFuZV9oZWxwZXJfZnVuY3MgPSB7Cj4gCl9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZlbCBt YWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3Rz LmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbA==