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 11:46:27 +0200 Message-ID: <1472463987.3054.26.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> 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 ACD436E1AE for ; Mon, 29 Aug 2016 09:46:29 +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 QW0gTW9udGFnLCBkZW4gMjkuMDguMjAxNiwgMTc6MzYgKzA4MDAgc2NocmllYiBZaW5nIExpdToK PiBPbiBNb24sIEF1ZyAyOSwgMjAxNiBhdCA0OjQ2IFBNLCBQaGlsaXBwIFphYmVsIDxwLnphYmVs QHBlbmd1dHJvbml4LmRlPiB3cm90ZToKPiA+IEFtIEZyZWl0YWcsIGRlbiAyNi4wOC4yMDE2LCAx NTozMCArMDgwMCBzY2hyaWViIExpdSBZaW5nOgo+ID4+IEFjY29yZGluZyB0byBiYXNpYyB0ZXN0 cywgaXQgbG9va3MgdGhlcmUgaXMgbm8gaXNzdWUgaWYgd2UgZG9uJ3Qgd2FpdCBmb3IKPiA+PiBE TUZDIEZJRk8gdG8gY2xlYXIgd2hlbiBkaXNhYmxpbmcgRE1GQyBjaGFubmVsLiAgTlhQIEJTUCBk b2Vzbid0IGRvIHRoYXQsCj4gPj4gZWl0aGVyLiAgVGhpcyBwYXRjaCBpcyBuZWVkZWQgdG8gYXZv aWQgdGhlIGFubm95aW5nIHdhcm5pbmcgY2F1c2VkIGJ5IGEKPiA+PiB0aW1lb3V0IG9uIHdhaXRp bmcgZm9yIHRoZSBGSUZPIHRvIGNsZWFyIGFmdGVyIHdlIGFkZCB0aGUgbmV3Cj4gPj4gRFJNX1BM QU5FX0NPTU1JVF9OT19ESVNBQkxFX0FGVEVSX01PREVTRVQgZmxhZyB0byB0aGUgaW14LWRybSBk cml2ZXIKPiA+PiB3aGljaCBjaGFuZ2VzIHRoZSBwcm9jZWR1cmUgdG8gZGlzYWJsZSBkaXNwbGF5 IGNoYW5uZWwgc2xpZ2h0bHkuCj4gPgo+ID4gSSBzdXBwb3NlIHRoZSByZWFzb24gdGhpcyBoYXBw ZW5zIGlzIHRoYXQgbm93IERDL0RJIGFyZSBkaXNhYmxlZCBmaXJzdCwKPiA+IHNvIHRoZSBEQyBj YW4ndCBkcmFpbiB0aGUgRklGTyBhbnltb3JlLiBJZiB0aGUgRklGTyBpcyBwcm9wZXJseSByZXNl dAo+ID4gd2hlbiByZWVuYWJsaW5nIHRoZSBETUZDLCB0aGlzIHNob3VsZG4ndCBoYXZlIGFueSBp bGwgZWZmZWN0cy4KPiAKPiBJIGZvdW5kIHRoZSB0aW1lb3V0IHdhcm5pbmcgaXNzdWUgYnkgYmxh bmtpbmcgdGhlIGZyYW1lYnVmZmVyLgo+IE9mYywgdGhlIGZyYW1lYnVmZmVyIGlzIHN1cHBvcnRl ZCBieSB0aGUgZmJkZXYgZW11bGF0aW9uLgo+IEJlZm9yZSBhcHBseWluZyB0aGlzIHBhdGNoIHNl dCwgdGhlIHBsYW5lcyBhcmUgbm90IGV2ZW4gZGlzYWJsZWQKPiB3aGVuIHRoZSBmcmFtZWJ1ZmZl ciBpcyBibGFua2VkLCB0aGF0IGlzIHRvIHNheSwgcGxhbmVfZnVuY3MtPgo+IGF0b21pY19kaXNh YmxlIGlzIG5vdCBjYWxsZWQgLSB0aGUgQ1JUQyBpcyBkaXNhYmxlZCBhbG9uZS4KPiBBZnRlciBh cHBseWluZyB0aGlzIHBhdGNoIHNldCwgdGhlIHBsYW5lcyBhcmUgYWx3YXlzIGRpc2FibGVkCj4g dG9nZXRoZXIgd2l0aCB0aGUgQ1JUQy4gIEFuZCwgeWVzLCBEQy9ESSBhcmUgZGlzYWJsZWQgZmly c3QsCj4gdGhlbiB0aGUgdGltZW91dCB3YXJuaW5nIGhhcHBlbnMuCj4gCj4gUGxlYXNlIG5vdGUg dGhlIHdhcm5pbmcgaGFwcGVucyB3aGVuIHRoZSBwbGFuZXMgYXJlIGRpc2FibGVkCj4gaW5zdGVh ZCBvZiByZWVuYWJsZWQuICBTbywgSSBkb24ndCBnZXQgeW91ciBwb2ludCBieSByZXNldHRpbmcK PiBGSUZPIHdoZW4gX3JlZW5hYmxpbmdfICBETUZDLgoKSWYgd2UgZGlzYWJsZSB0aGUgRE1GQyB3 aXRoIGRhdGEgc3RpbGwgaW4gdGhlIEZJRk8gYW5kIHRoZW4gcmVlbmFibGUgaXQKYW5kIHRoZSBE QyBmaXJzdCByZWFkcyB0aGUgc3RhbGUgZGF0YSBmcm9tIHRoZSBGSUZPLCB0aGF0IHNob3VsZCBj YXVzZSBhCnZpc2libGUgYXJ0aWZhY3QgaW4gdGhlIGZpcnN0IGZyYW1lIGFmdGVyIHJlZW5hYmxp bmcgdGhlIHBsYW5lLiBJZiB0aGF0CmRvZXNuJ3QgaGFwcGVuLCBJIHRydXN0IHRoYXQgdGhlIGhh cmR3YXJlIHJlc2V0cyB0aGUgRklGTyBzdGF0ZQpzb21ld2hlcmUgYWxvbmcgdGhlIHdheS4KCj4g QW5kLCBJIGRvbid0IHNlZSB0aGUgd2F5IHRvIHJlc2V0IEZJRk8uCgpXZSBjb3VsZCByZXNldCB0 aGUgRE1GQ19XUiBtZW1vcnkgYWZ0ZXIgZGlzYWJsaW5nIHRoZSBETUZDLCBidXQgSSdtIG5vdApz dXJlIHRoaXMgaXMgbmVjZXNzYXJ5IGF0IGFsbC4KCnJlZ2FyZHMKUGhpbGlwcAoKX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcg bGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRl c2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg==