From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark yao Subject: Re: [PATCH 1/2] drm/rockchip: vop: Do check if an update is pending during disable Date: Thu, 2 Jun 2016 14:25:37 +0800 Message-ID: <574FD161.4050503@rock-chips.com> References: <1459937686-9142-1-git-send-email-tomeu.vizoso@collabora.com> <5707043D.6060706@rock-chips.com> <570AFAC2.8080907@rock-chips.com> <5742A41B.8030308@rock-chips.com> <5744FA7C.3080802@rock-chips.com> <574500FE.4050708@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: Tomeu Vizoso Cc: "linux-arm-kernel@lists.infradead.org" , "open list:ARM/Rockchip SoC..." , "linux-kernel@vger.kernel.org" , "dri-devel@lists.freedesktop.org" List-Id: linux-rockchip.vger.kernel.org T24gMjAxNuW5tDA25pyIMDLml6UgMTM6NTcsIFRvbWV1IFZpem9zbyB3cm90ZToKPiBPbiAyNSBN YXkgMjAxNiBhdCAwMzozMywgTWFyayB5YW8gPG1hcmsueWFvQHJvY2stY2hpcHMuY29tPiB3cm90 ZToKPj4gT24gMjAxNuW5tDA15pyIMjXml6UgMDk6MDYsIE1hcmsgeWFvIHdyb3RlOgo+Pgo+PiBP biAyMDE25bm0MDXmnIgyNOaXpSAxODoxMSwgVG9tZXUgVml6b3NvIHdyb3RlOgo+Pgo+PiBIaSBU b21ldQo+Pj4gU29ycnkgZm9yIHJlcGx5IGxhdGUuCj4+PiBJIGRvbid0IGFncmVlIHRoZSBjaGFu Z2VzOgo+Pj4KPj4+IC0gaWYgKCFzdGF0ZS0+ZW5hYmxlKQo+Pj4gLSByZXR1cm4gVk9QX1dJTl9H RVQodm9wX3dpbi0+dm9wLCB2b3Bfd2luLT5kYXRhLCBlbmFibGUpID09IDA7Cj4+PiArIGlmICgh c3RhdGUtPmVuYWJsZSAmJgo+Pj4gKyAgICBWT1BfV0lOX0dFVCh2b3Bfd2luLT52b3AsIHZvcF93 aW4tPmRhdGEsIGVuYWJsZSkgPT0gMCkKPj4+ICsgcmV0dXJuIHRydWU7Cj4+Pgo+Pj4gVGhpcyBj aGFuZ2VzIGFjdHVhbGx5IHdvdWxkIGxlYWQgYSBidWcuCj4+PiB3aGVuIHdlIGRpc2FibGUgYSBw bGFuZSwgdGhlIHZvcF93aW5fcGVuZGluZ19pc19jb21wbGV0ZSB3b3VsZCBhbHdheXMKPj4+IHJl dHVybgo+Pj4gdHJ1ZSwgVGhhdCBpcyBub3QgYWxsb3dlZCwgd291bGQgY2F1c2UgZmIgZnJlZSB0 b28gZWFybHkuCj4+IE9rLCBtYXliZSBJIG5lZWQgdG8gYXNrIHlvdSBmaXJzdCB3aGF0IHRoZSBv cmlnaW5hbCBibG9jayBvZiBjb2RlCj4+IGludGVuZGVkIHRvIGFjaGlldmUuIFRoZSBUUk0gSSBo YXZlIGlzIHZlcnkgdGVyc2UgYW5kIEkgZG9uJ3QgZmluZCBhbnkKPj4gZXhwbGFuYXRpb24gdGhl cmUuIFRoZSBiYXR0ZXJ5IG9mIHRlc3RzIEkgaGF2ZSBwYXNzIGp1c3QgZmluZSB3aXRob3V0Cj4+ IGl0Lgo+Pgo+Pj4gRG9lcyB0aGlzIHBhdGNoIGlzIG5lZWRlZCBmb3IgIltQQVRDSCAyLzJdIGRy bS9yb2NrY2hpcDogdm9wOiBXYWl0IGZvcgo+Pj4gcGVuZGluZyBldmVudHMgd2hlbiBkaXNhYmxp bmcgYSBDUlRDIgo+PiBZZXMsIHRoaXMgZnVuY3Rpb24gaXMgY3VycmVudGx5IHJldHVybmluZyBm YWxzZSB3aGVuIHRoZSBwYWdlZmxpcCBoYXMKPj4gYmVlbiBjb21wbGV0ZWQgYnV0IHRoZSBwbGFu IGhhcyBiZWVuIGFscmVhZHkgZGlzYWJsZWQuCj4+Cj4+IElmIHlvdSBoYXZlIGFueSBkaWZmZXJl bnQgaWRlYSBvZiBob3cgdG8gZml4IHRoaXMgYnVnLCBwbGVhc2Ugc2hhcmUuCj4+Cj4+IFRoYW5r cywKPj4KPj4gVG9tZXUKPj4KPj4KPj4KPj4gSGkgVG9tZXUKPj4KPj4gQEAgLTUwNCw2ICs1MDYs OSBAQCBzdGF0aWMgdm9pZCB2b3BfY3J0Y19kaXNhYmxlKHN0cnVjdCBkcm1fY3J0YyAqY3J0YykK Pj4gICAgaWYgKCF2b3AtPmlzX2VuYWJsZWQpCj4+ICAgIHJldHVybjsKPj4KPj4gKyBpZiAoY3J0 Yy0+c3RhdGUtPmV2ZW50IHx8IHZvcC0+ZXZlbnQpCj4+ICsgdm9wX2NydGNfd2FpdF9mb3JfdXBk YXRlKGNydGMpOwo+PiArCj4+Cj4+IEkgdGhpbmsgYWJvdmUgY2hhbmdlIGhhcyBzb21lIHByb2Js ZW0sCj4+Cj4+IHRoZSBmdW5jdGlvbiBzdGFjazoKPj4gLT5kcm0gc3dhcCBzdGF0ZQo+PiAtPnZv cF9jcnRjX2Rpc2FibGUKPj4gLT52b3BfYXRvbWljX2JlZ2luCj4+IC0+dm9wX2F0b21pY19mbHVz aAo+Pgo+PiBvbiB2b3BfY3J0Y19kaXNhYmxlLCBjcnRjLT5zdGF0ZSBpcyBuZXcgc3RhdGUsIHRo ZSBjcnRjLT5zdGF0ZS0+ZXZlbnQgbm90Cj4+IHlldCB1cGRhdGUgdG8gdm9wLCB3YWl0IGZvciAg Y3J0Yy0+c3RhdGUtPmV2ZW50IGhlcmUgaXMgd3JvbmcuCj4+Cj4+IFNvIEkgdGhpbmsgdGhlIHBh dGNoIHNob3VsZCBiZToKPj4gKyBpZiAodm9wLT5ldmVudCkKPj4gKyB2b3BfY3J0Y193YWl0X2Zv cl91cGRhdGUoY3J0Yyk7Cj4+ICsKPj4KPj4KPj4gY2FsbCB2b3BfY3J0Y193YWl0X2Zvcl91cGRh dGUoY3J0YykgaGVyZSBhbHNvIGlzIHVuc2FmZSwgaXQgd2lsbCByZWluaXQgdGhlCj4+IHZvcC0+ d2FpdF91cGRhdGVfY29tcGxldGUuCj4+Cj4+IEkgZG91YnQgdGhhdCwgc2luY2UgdXNlIHRoZSBz ZXJpYWxpemUgb3V0c3RhbmRpbmcgbm9uYmxvY2tpbmcgY29tbWl0cywgb25seQo+PiBvbmUgcHJv Y2VzcyBjYW4gcnVuIGludG8gdGhlIHVwZGF0ZSBzdGFjaywgb2xkIHZvcC0+ZXZlbnQgc2hvdWxk IGJlIGZyZWUgb24KPj4gbGFzdCB0aW1lLCBpZiB3ZSBnZXQgdm9wLT5ldmVudCBoZXJlLCB0aGF0 IHNob3VsZCBiZSBhIGJ1Zy4KPj4KPj4KPj4gVGhlbiB0aGUgcGF0Y2ggImRybS9yb2NrY2hpcDog dm9wOiBEbyBjaGVjayBpZiBhbiB1cGRhdGUgaXMgcGVuZGluZyBkdXJpbmcKPj4gZGlzYWJsZSIg c2hvdWxkIGJlIG5vIG5lZWRlZC4KPiBIaSBNYXJrLAo+Cj4gd2l0aCBEYW5pZWwncyBzZXJpZXMg bGlua2VkIGJlbG93IHRoaXMgYW5kIHRoZSBvdGhlciBpc3N1ZXMgSSBmb3VuZCBpbgo+IHRoZSBS b2NrY2hpcCBkcml2ZXIgYXJlIGZpeGVkOgo+Cj4gaHR0cDovL3RocmVhZC5nbWFuZS5vcmcvZ21h bmUuY29tcC5mcmVlZGVza3RvcC54b3JnLmRyaXZlcnMuaW50ZWwvOTEwMjMvZm9jdXM9OTEwNTMK Ckdvb2QgbmV3cywgSSBhbHNvIHNlZSB0aGUgRGFuaWVsJ3Mgc2VyaWVzIHBhdGNoZXMsIHdvbmRl cmZ1bCB1cGRhdGUuCgpZb3UgY2FuIGFkZCBhIFRlc3RlZC1ieSBmb3IgRGFuaWVsJ3Mgcm9ja2No aXAgcGF0Y2hlcywgYW5kIEkgYWRkIGEgCkFja2VkLWJ5IGZvciB0aG9zZSByb2NrY2hpcCBwYXRj aGVzLgoKVGhhbmtzCgo+IFRoYW5rcywKPgo+IFRvbWV1Cj4KPj4gVGhhbmtzLgo+Pgo+PiAtLSDv vK1hcmsgWWFvCj4+Cj4+IF9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fCj4+IGRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKPj4gZHJpLWRldmVsQGxpc3RzLmZyZWVk ZXNrdG9wLm9yZwo+PiBodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3Rp bmZvL2RyaS1kZXZlbAo+Pgo+Pgo+Pgo+PiAtLQo+PiDvvK1hcmsgWWFvCj4+Cj4+Cj4+IF9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCj4+IGRyaS1kZXZlbCBt YWlsaW5nIGxpc3QKPj4gZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwo+PiBodHRwczov L2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbAo+Pgo+Cj4K CgotLSAK77ytYXJrIFlhbwoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNr dG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2Ry aS1kZXZlbAo=