From mboxrd@z Thu Jan 1 00:00:00 1970 From: Philipp Zabel Subject: Re: [PATCH v4 4/7] gpu: ipu-v3: Do not wait for DMFC FIFO to clear when disabling DMFC channel Date: Mon, 29 Aug 2016 12:34:29 +0200 Message-ID: <1472466869.3054.51.camel@pengutronix.de> References: <1472196644-30563-1-git-send-email-gnuiyl@gmail.com> <1472196644-30563-5-git-send-email-gnuiyl@gmail.com> <1472460375.3054.13.camel@pengutronix.de> <1472463987.3054.26.camel@pengutronix.de> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by gabe.freedesktop.org (Postfix) with ESMTPS id A537D6E51C for ; Mon, 29 Aug 2016 10:34:31 +0000 (UTC) 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: Ying Liu Cc: Daniel Vetter , Peter Senna Tschudin , Russell King , DRI Development List-Id: dri-devel@lists.freedesktop.org QW0gTW9udGFnLCBkZW4gMjkuMDguMjAxNiwgMTc6NTcgKzA4MDAgc2NocmllYiBZaW5nIExpdToK PiBPbiBNb24sIEF1ZyAyOSwgMjAxNiBhdCA1OjQ2IFBNLCBQaGlsaXBwIFphYmVsIDxwLnphYmVs QHBlbmd1dHJvbml4LmRlPiB3cm90ZToKPiA+IEFtIE1vbnRhZywgZGVuIDI5LjA4LjIwMTYsIDE3 OjM2ICswODAwIHNjaHJpZWIgWWluZyBMaXU6Cj4gPj4gT24gTW9uLCBBdWcgMjksIDIwMTYgYXQg NDo0NiBQTSwgUGhpbGlwcCBaYWJlbCA8cC56YWJlbEBwZW5ndXRyb25peC5kZT4gd3JvdGU6Cj4g Pj4gPiBBbSBGcmVpdGFnLCBkZW4gMjYuMDguMjAxNiwgMTU6MzAgKzA4MDAgc2NocmllYiBMaXUg WWluZzoKPiA+PiA+PiBBY2NvcmRpbmcgdG8gYmFzaWMgdGVzdHMsIGl0IGxvb2tzIHRoZXJlIGlz IG5vIGlzc3VlIGlmIHdlIGRvbid0IHdhaXQgZm9yCj4gPj4gPj4gRE1GQyBGSUZPIHRvIGNsZWFy IHdoZW4gZGlzYWJsaW5nIERNRkMgY2hhbm5lbC4gIE5YUCBCU1AgZG9lc24ndCBkbyB0aGF0LAo+ ID4+ID4+IGVpdGhlci4gIFRoaXMgcGF0Y2ggaXMgbmVlZGVkIHRvIGF2b2lkIHRoZSBhbm5veWlu ZyB3YXJuaW5nIGNhdXNlZCBieSBhCj4gPj4gPj4gdGltZW91dCBvbiB3YWl0aW5nIGZvciB0aGUg RklGTyB0byBjbGVhciBhZnRlciB3ZSBhZGQgdGhlIG5ldwo+ID4+ID4+IERSTV9QTEFORV9DT01N SVRfTk9fRElTQUJMRV9BRlRFUl9NT0RFU0VUIGZsYWcgdG8gdGhlIGlteC1kcm0gZHJpdmVyCj4g Pj4gPj4gd2hpY2ggY2hhbmdlcyB0aGUgcHJvY2VkdXJlIHRvIGRpc2FibGUgZGlzcGxheSBjaGFu bmVsIHNsaWdodGx5Lgo+ID4+ID4KPiA+PiA+IEkgc3VwcG9zZSB0aGUgcmVhc29uIHRoaXMgaGFw cGVucyBpcyB0aGF0IG5vdyBEQy9ESSBhcmUgZGlzYWJsZWQgZmlyc3QsCj4gPj4gPiBzbyB0aGUg REMgY2FuJ3QgZHJhaW4gdGhlIEZJRk8gYW55bW9yZS4gSWYgdGhlIEZJRk8gaXMgcHJvcGVybHkg cmVzZXQKPiA+PiA+IHdoZW4gcmVlbmFibGluZyB0aGUgRE1GQywgdGhpcyBzaG91bGRuJ3QgaGF2 ZSBhbnkgaWxsIGVmZmVjdHMuCj4gPj4KPiA+PiBJIGZvdW5kIHRoZSB0aW1lb3V0IHdhcm5pbmcg aXNzdWUgYnkgYmxhbmtpbmcgdGhlIGZyYW1lYnVmZmVyLgo+ID4+IE9mYywgdGhlIGZyYW1lYnVm ZmVyIGlzIHN1cHBvcnRlZCBieSB0aGUgZmJkZXYgZW11bGF0aW9uLgo+ID4+IEJlZm9yZSBhcHBs eWluZyB0aGlzIHBhdGNoIHNldCwgdGhlIHBsYW5lcyBhcmUgbm90IGV2ZW4gZGlzYWJsZWQKPiA+ PiB3aGVuIHRoZSBmcmFtZWJ1ZmZlciBpcyBibGFua2VkLCB0aGF0IGlzIHRvIHNheSwgcGxhbmVf ZnVuY3MtPgo+ID4+IGF0b21pY19kaXNhYmxlIGlzIG5vdCBjYWxsZWQgLSB0aGUgQ1JUQyBpcyBk aXNhYmxlZCBhbG9uZS4KPiA+PiBBZnRlciBhcHBseWluZyB0aGlzIHBhdGNoIHNldCwgdGhlIHBs YW5lcyBhcmUgYWx3YXlzIGRpc2FibGVkCj4gPj4gdG9nZXRoZXIgd2l0aCB0aGUgQ1JUQy4gIEFu ZCwgeWVzLCBEQy9ESSBhcmUgZGlzYWJsZWQgZmlyc3QsCj4gPj4gdGhlbiB0aGUgdGltZW91dCB3 YXJuaW5nIGhhcHBlbnMuCj4gPj4KPiA+PiBQbGVhc2Ugbm90ZSB0aGUgd2FybmluZyBoYXBwZW5z IHdoZW4gdGhlIHBsYW5lcyBhcmUgZGlzYWJsZWQKPiA+PiBpbnN0ZWFkIG9mIHJlZW5hYmxlZC4g IFNvLCBJIGRvbid0IGdldCB5b3VyIHBvaW50IGJ5IHJlc2V0dGluZwo+ID4+IEZJRk8gd2hlbiBf cmVlbmFibGluZ18gIERNRkMuCj4gPgo+ID4gSWYgd2UgZGlzYWJsZSB0aGUgRE1GQyB3aXRoIGRh dGEgc3RpbGwgaW4gdGhlIEZJRk8gYW5kIHRoZW4gcmVlbmFibGUgaXQKPiA+IGFuZCB0aGUgREMg Zmlyc3QgcmVhZHMgdGhlIHN0YWxlIGRhdGEgZnJvbSB0aGUgRklGTywgdGhhdCBzaG91bGQgY2F1 c2UgYQo+ID4gdmlzaWJsZSBhcnRpZmFjdCBpbiB0aGUgZmlyc3QgZnJhbWUgYWZ0ZXIgcmVlbmFi bGluZyB0aGUgcGxhbmUuIElmIHRoYXQKPiA+IGRvZXNuJ3QgaGFwcGVuLCBJIHRydXN0IHRoYXQg dGhlIGhhcmR3YXJlIHJlc2V0cyB0aGUgRklGTyBzdGF0ZQo+ID4gc29tZXdoZXJlIGFsb25nIHRo ZSB3YXkuCj4gCj4gTm90IHN1cmUgaWYgdGhlIGhhcmR3YXJlIHJlc2V0cyB0aGUgRklGTyBhdXRv bWF0aWNhbGx5Li4uCj4gVGhlIE5YUCBkcml2ZXIgd2FpdHMgZm9yIHNvbWUgaGFyZHdhcmUgc3Rh dHVzL2lycXMgd2hlbiBkaXNhYmxpbmcKPiB0aGUgY2hhbm5lbHMsIGJ1dCBpdCBkb2Vzbid0IHdh aXQgZm9yIERNRkMgc3RhdHVzLgo+IAo+ID4KPiA+PiBBbmQsIEkgZG9uJ3Qgc2VlIHRoZSB3YXkg dG8gcmVzZXQgRklGTy4KPiA+Cj4gPiBXZSBjb3VsZCByZXNldCB0aGUgRE1GQ19XUiBtZW1vcnkg YWZ0ZXIgZGlzYWJsaW5nIHRoZSBETUZDLCBidXQgSSdtIG5vdAo+ID4gc3VyZSB0aGlzIGlzIG5l Y2Vzc2FyeSBhdCBhbGwuCj4gCj4gWW91IG1lYW4gdGhlIHJlZ2lzdGVyIERNRkNfV1JfQ0hBTiwg Zm9yIGluc3RhbmNlPwo+IEkgc3RpbGwgZG9uJ3Qgc2VlIGhvdyB3ZSBjb3VsZCByZXNldCB0aGUg RklGTy4KCkkgbWVhbiB2aWEgSVBVX01FTV9SU1QuIEknbGwgc2VuZCBhIHBhdGNoIHRvIGlsbHVz dHJhdGUsIGJ1dCBhcyBJIHNhaWQsCkkgZG9uJ3Qga25vdyBpZiB0aGlzIGlzIHJlYWxseSB1c2Vm dWwuCgpyZWdhcmRzClBoaWxpcHAKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVk ZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZv L2RyaS1kZXZlbAo=