From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark yao Subject: Re: [PATCH] drm/rockchip: cdn-dp: Fix error handling Date: Mon, 20 Feb 2017 14:58:21 +0800 Message-ID: <58AA938D.5010902@rock-chips.com> References: <20170219165942.17268-1-christophe.jaillet@wanadoo.fr> <58AA4908.2000808@rock-chips.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Christophe JAILLET , airlied@linux.ie, heiko@sntech.de Cc: linux-rockchip@lists.infradead.org, kernel-janitors@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org List-Id: linux-rockchip.vger.kernel.org T24gMjAxN+W5tDAy5pyIMjDml6UgMTQ6NDEsIENocmlzdG9waGUgSkFJTExFVCB3cm90ZToKPiBM ZSAyMC8wMi8yMDE3IMOgIDAyOjQwLCBNYXJrIHlhbyBhIMOpY3JpdCA6Cj4+IE9uIDIwMTflubQw MuaciDIw5pelIDAwOjU5LCBDaHJpc3RvcGhlIEpBSUxMRVQgd3JvdGU6Cj4+PiBJdCBpcyBsaWtl bHkgdGhhdCBib3RoICdjbGtfZGlzYWJsZV91bnByZXBhcmUoKScgc2hvdWxkIGJlIGNhbGxlZCBp Zgo+Pj4gJ3BtX3J1bnRpbWVfZ2V0X3N5bmMoKScgZmFpbHMuCj4+Pgo+Pj4gQWRkIGEgbmV3IGxh YmVsIGZvciB0aGF0LCBiZWNhdXNlICdlcnJfc2V0X3JhdGUnIGlzIG5vdCBtZWFuaW5nZnVsIAo+ Pj4gaW4gdGhpcwo+Pj4gY2FzZS4KPj4+Cj4+Pgo+Pj4gRml4ZXM6IDFhMGY3ZWQzYWJlMiAoImRy bS9yb2NrY2hpcDogY2RuLWRwOiBhZGQgY2RuIERQIHN1cHBvcnQgZm9yIAo+Pj4gcmszMzk5IikK Pj4+Cj4+PiBTaWduZWQtb2ZmLWJ5OiBDaHJpc3RvcGhlIEpBSUxMRVQgPGNocmlzdG9waGUuamFp bGxldEB3YW5hZG9vLmZyPgo+Pj4gLS0tCj4+PiBOb3Qgc3VyZSBidXQgYSAncG1fcnVudGltZV9n ZXRfc3luYygpJyBpcyBtYXliZSBhbHNvIHJlcXVpcmVkIGluIHRoZQo+Pj4gJ2Vycl9zZXRfcmF0 ZScgcGF0aC4KPj4+IC0tLQo+Pj4gICBkcml2ZXJzL2dwdS9kcm0vcm9ja2NoaXAvY2RuLWRwLWNv cmUuYyB8IDMgKystCj4+PiAgIDEgZmlsZSBjaGFuZ2VkLCAyIGluc2VydGlvbnMoKyksIDEgZGVs ZXRpb24oLSkKPj4+Cj4+PiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL3JvY2tjaGlwL2Nk bi1kcC1jb3JlLmMgCj4+PiBiL2RyaXZlcnMvZ3B1L2RybS9yb2NrY2hpcC9jZG4tZHAtY29yZS5j Cj4+PiBpbmRleCA5YWI2N2E2NzA4ODUuLjBmZTFlYzhiOGZiMSAxMDA2NDQKPj4+IC0tLSBhL2Ry aXZlcnMvZ3B1L2RybS9yb2NrY2hpcC9jZG4tZHAtY29yZS5jCj4+PiArKysgYi9kcml2ZXJzL2dw dS9kcm0vcm9ja2NoaXAvY2RuLWRwLWNvcmUuYwo+Pj4gQEAgLTExMSw3ICsxMTEsNyBAQCBzdGF0 aWMgaW50IGNkbl9kcF9jbGtfZW5hYmxlKHN0cnVjdCAKPj4+IGNkbl9kcF9kZXZpY2UgKmRwKQo+ Pj4gICAgICAgcmV0ID0gcG1fcnVudGltZV9nZXRfc3luYyhkcC0+ZGV2KTsKPj4+ICAgICAgIGlm IChyZXQgPCAwKSB7Cj4+PiAgICAgICAgICAgRFJNX0RFVl9FUlJPUihkcC0+ZGV2LCAiY2Fubm90 IGdldCBwbSBydW50aW1lICVkXG4iLCByZXQpOwo+Pj4gLSAgICAgICAgZ290byBlcnJfcGNsazsK Pj4+ICsgICAgICAgIGdvdG8gZXJyX3N5bmM7Cj4+Cj4+IEkgdGhpbmsgdGhlIG5hbWUgZXJyX3Bt X3J1bnRpbWVfZ2V0IGlzIGJldHRlci4KPj4gZXJyX3N5bmMgaXMgbm90IGEgY2xlYXIgbmFtZSBm b3IgdGhlIHBtX3J1bnRpbWVfZ2V0X3N5bmMuCj4+Cj4gSSB3aWxsIGNoYW5nZSBpdC4KPgo+Pj4g ICAgICAgfQo+Pj4gICAgICAgICByZXNldF9jb250cm9sX2Fzc2VydChkcC0+Y29yZV9yc3QpOwo+ Pj4gQEAgLTEzMyw2ICsxMzMsNyBAQCBzdGF0aWMgaW50IGNkbl9kcF9jbGtfZW5hYmxlKHN0cnVj dCAKPj4+IGNkbl9kcF9kZXZpY2UgKmRwKQo+Pj4gICAgICAgcmV0dXJuIDA7Cj4+PiAgICAgZXJy X3NldF9yYXRlOgo+Pj4gK2Vycl9zeW5jOgo+Pgo+PiBtaXNzIHBtX3J1bnRpbWVfcHV0LCBpdCBz aG91bGQgYmU6Cj4+Cj4gSSBhbSB3b25kZXJpbmcgaWYgJ3BtX3J1bnRpbWVfcHV0X3N5bmMnIHNo b3VsZCBiZSBhZGRlZCwgaW5zdGVhZC4KPiBXZSB3YW50IHRvIHJldmVydCB0aGUgJ3BtX3J1bnRp bWVfZ2V0X3N5bmMnIG9mIGxpbmUgMTExLiBBY2NvcmRpbmcgdG8gCj4gdGhlIG5hbWluZyBvZiB0 aGUgZnVuY3Rpb24sIHRoZSBfc3luYyB2ZXJzaW9uIGxvb2tzIG1vcmUgbG9naWNhbCB0byBtZS4K PiBVc2luZyBjY29jY2luZWxsZSBzaG93cyB0aGF0IDIvMyBvZiBmdW5jdGlvbnMgY2FsbGluZyBi b3RoIAo+ICdwbV9ydW50aW1lX2dldF9zeW5jJyBhbmQgJ3BtX3J1bnRpbWVfZ2V0W19zeW5jXScg YW5kIHVzaW5nIHRoZSBfc3luYyAKPiB2YXJpYW50Lgo+CgpwbV9ydW50aW1lX2dldF9zeW5jIHdp bGwgYmxvY2sgdW50aWwgaGFyZHdhcmUgYWN0dWFsbHkgZG9uZSBwb3dlciBjb25maWd1cmUsCndl IG5lZWQgbWFrZSBzdXJlIHBvd2VyIGlzIGVuYWJsZSBiZWZvcmUgdXNlIHRoZSBoYXJkd2FyZSwg U28gd2Ugc2hvdWxkIAp1c2UgcG1fcnVudGltZV9nZXRfc3luYyBhdCBwb3dlciBvbi4KCkF0IHBv d2VyIG9mZiB0aW1lLCB1c2UgcG1fcnVudGltZV9wdXQgaXMgZW5vdWdoLCBpdCBjYW4gYmUgYXN5 bmMsIG5vIApuZWVkIGJsb2NrLgoKVGhhbmtzLgoKPiBXaGljaCBzZW1hbnRpYyBpcyB0aGUgY29y cmVjdCBvbmU/Cj4KPgo+PiBlcnJfc2V0X3JhdGU6Cj4+ICAgICBwbV9ydW50aW1lX3B1dChkcC0+ ZGV2KTsKPj4gZXJyX3BtX3J1bnRpbWVfZ2V0Ogo+PiAgICAgY2xrX2Rpc2FibGVfdW5wcmVwYXJl KGRwLT5jb3JlX2Nsayk7Cj4+IGVycl9jb3JlX2NsazoKPj4KPj4+IGNsa19kaXNhYmxlX3VucHJl cGFyZShkcC0+Y29yZV9jbGspOwo+Pj4gICBlcnJfY29yZV9jbGs6Cj4+PiAgICAgICBjbGtfZGlz YWJsZV91bnByZXBhcmUoZHAtPnBjbGspOwo+Pgo+Pgo+Cj4KPgo+CgoKLS0gCu+8rWFyayBZYW8K CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2 ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9s aXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwK