From mboxrd@z Thu Jan 1 00:00:00 1970 From: Inki Dae Subject: Re: [PATCH v2 1/3] drm/exynos: fimd: ensure proper hw state in fimd_clear_channel() Date: Fri, 12 Jun 2015 00:04:44 +0900 Message-ID: <5579A38C.8040604@samsung.com> References: <1433319984-18683-1-git-send-email-m.szyprowski@samsung.com> <1433319984-18683-2-git-send-email-m.szyprowski@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-reply-to: <1433319984-18683-2-git-send-email-m.szyprowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Marek Szyprowski Cc: Krzysztof Kozlowski , linux-samsung-soc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Joonyoung Shim , Seung-Woo Kim , iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, Javier Martinez Canillas List-Id: linux-samsung-soc@vger.kernel.org T24gMjAxNeuFhCAwNuyblCAwM+ydvCAxNzoyNiwgTWFyZWsgU3p5cHJvd3NraSB3cm90ZToKPiBP bmUgc2hvdWxkIG5vdCBkbyBhbnkgYXNzdW1wdGlvbnMgb24gdGhlIHN0YXJlIG9mIHRoZSBmaW1k IGhhcmR3YXJlCj4gZHVyaW5nIGRyaXZlciBpbml0aWFsaXphdGlvbiwgc28gdG8gcHJvcGVybHkg cmVzZXQgZmltZCBiZWZvcmUgZW5hYmxpbmcKPiBJT01NVSwgb25lIHNob3VsZCBlbnN1cmUgdGhh dCBhbGwgcG93ZXIgZG9tYWlucyBhbmQgY2xvY2tzIGFyZSByZWFsbHkKPiBlbmFibGVkLiBUaGlz IHBhdGNoIGFkZHMgcG1fcnVudGltZSBhbmQgY2xvY2tzIG1hbmFnZW1lbnQgaW4gdGhlCj4gZmlt ZF9jbGVhcl9jaGFubmVsKCkgZnVuY3Rpb24gdG8gZW5zdXJlIHRoYXQgYW55IGFjY2VzcyB0byBm aW1kCj4gcmVnaXN0ZXJzIHdpbGwgYmUgcGVyZm9ybWVkIHdpdGggY2xvY2tzIGFuZCBwb3dlciBk b21haW5zIGVuYWJsZWQuCj4gCj4gU2lnbmVkLW9mZi1ieTogTWFyZWsgU3p5cHJvd3NraSA8bS5z enlwcm93c2tpQHNhbXN1bmcuY29tPgo+IFRlc3RlZC1ieTogSmF2aWVyIE1hcnRpbmV6IENhbmls bGFzIDxqYXZpZXIubWFydGluZXpAY29sbGFib3JhLmNvLnVrPgo+IC0tLQo+ICBkcml2ZXJzL2dw dS9kcm0vZXh5bm9zL2V4eW5vc19kcm1fZmltZC5jIHwgMjIgKysrKysrKysrKysrKysrKysrLS0t LQo+ICAxIGZpbGUgY2hhbmdlZCwgMTggaW5zZXJ0aW9ucygrKSwgNCBkZWxldGlvbnMoLSkKPiAK PiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2V4eW5vcy9leHlub3NfZHJtX2ZpbWQuYyBi L2RyaXZlcnMvZ3B1L2RybS9leHlub3MvZXh5bm9zX2RybV9maW1kLmMKPiBpbmRleCA5NjYxODUz NDM1OGUuLjNlYzlkNDI5OWE4NiAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vZXh5bm9z L2V4eW5vc19kcm1fZmltZC5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2V4eW5vcy9leHlub3Nf ZHJtX2ZpbWQuYwo+IEBAIC0yNDIsMTIgKzI0MiwyMSBAQCBzdGF0aWMgdm9pZCBmaW1kX2VuYWJs ZV9zaGFkb3dfY2hhbm5lbF9wYXRoKHN0cnVjdCBmaW1kX2NvbnRleHQgKmN0eCwKPiAgCXdyaXRl bCh2YWwsIGN0eC0+cmVncyArIFNIQURPV0NPTik7Cj4gIH0KPiAgCj4gK3N0YXRpYyBpbnQgZmlt ZF9lbmFibGVfdmJsYW5rKHN0cnVjdCBleHlub3NfZHJtX2NydGMgKmNydGMpOwo+ICtzdGF0aWMg dm9pZCBmaW1kX2Rpc2FibGVfdmJsYW5rKHN0cnVjdCBleHlub3NfZHJtX2NydGMgKmNydGMpOwoK WW91IGNhbiByZW1vdmUgYWJ2b2UgZGVjbGFyYXRpb25zLiBTZWUgdGhlIGJlbG93IGNvbW1lbnQu Cgo+ICsKPiAgc3RhdGljIHZvaWQgZmltZF9jbGVhcl9jaGFubmVsKHN0cnVjdCBmaW1kX2NvbnRl eHQgKmN0eCkKPiAgewo+ICAJdW5zaWduZWQgaW50IHdpbiwgY2hfZW5hYmxlZCA9IDA7Cj4gIAo+ ICAJRFJNX0RFQlVHX0tNUygiJXNcbiIsIF9fRklMRV9fKTsKPiAgCj4gKwkvKiBIYXJkd2FyZSBp cyBpbiB1bmtub3duIHN0YXRlLCBzbyBlbnN1cmUgaXQgZ2V0cyBlbmFibGVkIHByb3Blcmx5ICov Cj4gKwlwbV9ydW50aW1lX2dldF9zeW5jKGN0eC0+ZGV2KTsKPiArCj4gKwljbGtfcHJlcGFyZV9l bmFibGUoY3R4LT5idXNfY2xrKTsKPiArCWNsa19wcmVwYXJlX2VuYWJsZShjdHgtPmxjZF9jbGsp Owo+ICsKPiAgCS8qIENoZWNrIGlmIGFueSBjaGFubmVsIGlzIGVuYWJsZWQuICovCj4gIAlmb3Ig KHdpbiA9IDA7IHdpbiA8IFdJTkRPV1NfTlI7IHdpbisrKSB7Cj4gIAkJdTMyIHZhbCA9IHJlYWRs KGN0eC0+cmVncyArIFdJTkNPTih3aW4pKTsKPiBAQCAtMjY1LDEyICsyNzQsMTcgQEAgc3RhdGlj IHZvaWQgZmltZF9jbGVhcl9jaGFubmVsKHN0cnVjdCBmaW1kX2NvbnRleHQgKmN0eCkKPiAgCj4g IAkvKiBXYWl0IGZvciB2c3luYywgYXMgZGlzYWJsZSBjaGFubmVsIHRha2VzIGVmZmVjdCBhdCBu ZXh0IHZzeW5jICovCj4gIAlpZiAoY2hfZW5hYmxlZCkgewo+IC0JCXVuc2lnbmVkIGludCBzdGF0 ZSA9IGN0eC0+c3VzcGVuZGVkOwo+IC0KPiAtCQljdHgtPnN1c3BlbmRlZCA9IDA7Cj4gKwkJY3R4 LT5zdXNwZW5kZWQgPSBmYWxzZTsKPiArCQlmaW1kX2VuYWJsZV92YmxhbmsoY3R4LT5jcnRjKTsK CkkgdGhpbmsgeW91IGNhbiBjYWxsIGVuYWJsZV92YmxhbmsgY2FsbGJhY2sgaW5zdGVhZCBvZgpm aW1kX2VuYWJsZV92YmxhbmsgZnVuY3Rpb24gYmVjYXVzZSBjdHggb2JqZWN0IGhhcyBleHlub3Nf Y3J0YyBvYmplY3QuCgppLmUuLAoJCXN0cnVjdCBleHlub3NfZHJtX2NydGNfb3BzICpvcHMgPSBj dHgtPmNydGMtPm9wczsKCQkuLi4KCQlpZiAob3BzLT5lbmFibGVfdmJsYW5rKQoJCQlvcHMtPmVu YWJsZV92YmxhbmsoY3R4LT5jcnRjKTsKCQkuLi4KCj4gIAkJZmltZF93YWl0X2Zvcl92Ymxhbmso Y3R4LT5jcnRjKTsKPiAtCQljdHgtPnN1c3BlbmRlZCA9IHN0YXRlOwo+ICsJCWZpbWRfZGlzYWJs ZV92YmxhbmsoY3R4LT5jcnRjKTsKCkRpdHRvLgoKVGhhbmtzLApJbmtpIERhZQoKPiArCQljdHgt PnN1c3BlbmRlZCA9IHRydWU7Cj4gIAl9Cj4gKwo+ICsJY2xrX2Rpc2FibGVfdW5wcmVwYXJlKGN0 eC0+bGNkX2Nsayk7Cj4gKwljbGtfZGlzYWJsZV91bnByZXBhcmUoY3R4LT5idXNfY2xrKTsKPiAr Cj4gKwlwbV9ydW50aW1lX3B1dChjdHgtPmRldik7Cj4gIH0KPiAgCj4gIHN0YXRpYyBpbnQgZmlt ZF9pb21tdV9hdHRhY2hfZGV2aWNlcyhzdHJ1Y3QgZmltZF9jb250ZXh0ICpjdHgsCj4gCgpfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwppb21tdSBtYWlsaW5n IGxpc3QKaW9tbXVAbGlzdHMubGludXgtZm91bmRhdGlvbi5vcmcKaHR0cHM6Ly9saXN0cy5saW51 eGZvdW5kYXRpb24ub3JnL21haWxtYW4vbGlzdGluZm8vaW9tbXU=