From mboxrd@z Thu Jan 1 00:00:00 1970 From: Boris Brezillon Subject: Re: [PATCH 4/4] drm/atmel-hlcdc: do not immediately disable planes, wait for next frame Date: Wed, 16 Jan 2019 15:45:47 +0100 Message-ID: <20190116154547.711d7087@bbrezillon> References: <20190110151020.30468-1-peda@axentia.se> <20190110151020.30468-5-peda@axentia.se> <20190110182904.5efd08f2@bbrezillon> <20190110202522.10206f2d@bbrezillon> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by gabe.freedesktop.org (Postfix) with ESMTPS id 524F26F0D6 for ; Wed, 16 Jan 2019 14:45:58 +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: Peter Rosin Cc: Alexandre Belloni , David Airlie , "linux-kernel@vger.kernel.org" , "dri-devel@lists.freedesktop.org" , Nicolas Ferre , Boris Brezillon , "linux-arm-kernel@lists.infradead.org" List-Id: dri-devel@lists.freedesktop.org T24gRnJpLCAxMSBKYW4gMjAxOSAxNDoyOToyOCArMDAwMApQZXRlciBSb3NpbiA8cGVkYUBheGVu dGlhLnNlPiB3cm90ZToKCj4gT24gMjAxOS0wMS0xMCAyMDoyNSwgQm9yaXMgQnJlemlsbG9uIHdy b3RlOgo+ID4gT24gVGh1LCAxMCBKYW4gMjAxOSAxODo1MToyMSArMDAwMAo+ID4gUGV0ZXIgUm9z aW4gPHBlZGFAYXhlbnRpYS5zZT4gd3JvdGU6Cj4gPiAgIAo+ID4+IE9uIDIwMTktMDEtMTAgMTg6 MjksIEJvcmlzIEJyZXppbGxvbiB3cm90ZTogIAo+ID4+PiBPbiBUaHUsIDEwIEphbiAyMDE5IDE1 OjEwOjQ4ICswMDAwCj4gPj4+IFBldGVyIFJvc2luIDxwZWRhQGF4ZW50aWEuc2U+IHdyb3RlOgo+ ID4+PiAgICAgCj4gPj4+PiBUaGUgQTJRIGFuZCBVUERBVEUgYml0cyBoYXZlIG5vIGVmZmVjdCBp biB0aGUgY2hhbm5lbCBkaXNhYmxlIHJlZ2lzdGVycy4KPiA+Pj4+IEhvd2V2ZXIsIHNpbmNlIHRo ZXkgYXJlIHByZXNlbnQsIGFzc3VtZSB0aGF0IHRoZSBpbnRlbnRpb24gaXMgdG8gZGlzYWJsZQo+ ID4+Pj4gcGxhbmVzLCBub3QgaW1tZWRpYXRlbHkgYXMgaW5kaWNhdGVkIGJ5IHRoZSBSU1QgYml0 LCBidXQgb24gdGhlIG5leHQKPiA+Pj4+IGZyYW1lIHNoaWZ0IHNpbmNlIHRoYXQgaXMgd2hhdCBB MlEgYW5kIFVQREFURSBtZWFucyBpbiB0aGUgY2hhbm5lbCBlbmFibGUKPiA+Pj4+IHJlZ2lzdGVy cy4KPiA+Pj4+Cj4gPj4+PiBEaXNhYmxpbmcgdGhlIHBsYW5lIG9uIHRoZSBuZXh0IGZyYW1lIHNo aWZ0IGlzIGRvbmUgd2l0aCB0aGUgRU4gYml0LAo+ID4+Pj4gc28gdXNlIHRoYXQuICAgIAo+ID4+ Pgo+ID4+PiBJdCdzIGJlZW4gYSBsb25nIHRpbWUsIGJ1dCBJIHRoaW5rIEkgaGFkIGEgZ29vZCBy ZWFzb24gZm9yIGZvcmNpbmcgYQo+ID4+PiByZXNldC4gSUlSQywgd2hlbiB5b3UgZG9uJ3QgZG8g dGhhdCBhbmQgdGhlIENSVEMgaXMgZGlzYWJsZWQgYmVmb3JlIHRoZQo+ID4+PiBwbGFuZSwgdGhl IEVOIGJpdCBzdGF5cyBhcm91bmQsIGFuZCBuZXh0IHRpbWUgeW91IHF1ZXVlIGEgcGxhbmUgdXBk YXRlLAo+ID4+PiB5b3UnbGwgc3RhcnQgd2l0aCBhbiBpbnZhbGlkIGJ1ZiBwb2ludGVyLiAgICAK PiA+Pgo+ID4+IEl0IG1pZ2h0IGJlIHBvc3NpYmxlIHRvIGNsZWFyIHRoZSBFTiBiaXQgaW4gLi4u Q0hEUiBiZWZvcmUgZW5hYmxpbmcgdGhlCj4gPj4gcGxhbmUgaW4gLi4uQ0hFUi4gT3IgaXMgdGhh dCB0b28gbGF0ZT8gIAo+ID4gCj4gPiBJIHRoaW5rIEkgdHJpZWQgdGhhdCwgYnV0IEknbSBub3Qg c3VyZSAoQlRXLCB0aGlzIGNoYW5nZSB3YXMgZG9uZSBpbgo+ID4gYmQ0MjQ4YmI1ZThiICgiZHJt OiBhdG1lbC1obGNkYzogcmVzZXQgbGF5ZXIgQTJRIGFuZCBVUERBVEUgYml0cyB3aGVuICAKPiAK PiBUaGF0IHBhdGNoIGlzIGEgYmlnIGZhdCBOT1AgaWYgeW91IHJlYWQgdGhlIGRvY3VtZW50YXRp b24uIFRob3NlIGJpdHMKPiBhcmUgbWFya2VkIHdpdGggYSAnLScgZm9yIGFsbCBMQ0RDIGNoYW5u ZWwgZGlzYWJsZSByZWdpc3RlcnMsIGZvciBhbGwKPiBzdXBwb3J0ZWQgY2hpcHMgSUlVQy4gQXJl IHRoZSBlZmZlY3RzIG9mIHRob3NlIGJpdHMgbWVudGlvbmVkIGluIGFueQo+IGVycmF0YT8KCklJ UkMsIGl0IHdhcyBub3QgZG9jdW1lbnRlZCBpbiB0aGUgZGF0YXNoZWV0LCBidXQgdGhpcyBjYW1l IG91dCBkdXJpbmcKYSBkaXNjdXNzaW9uIHdpdGggdGhlIElQIGRlc2lnbmVyLgoKPiAKPiBJdCB3 b3VsZCBiZSBnb29kIHdpdGggYSBjb21tZW50IHRoYXQgdGhlIHByZXNlbnQgdW5kb2N1bWVudGVk IGRpc2FibGUKPiBtZXRob2QgaXMgaW50ZW50aW9uYWwuCgpZZXMsIEkgc2hvdWxkIGhhdmUgYWRk ZWQgYSBjb21tZW50IGFib3V0IHRoYXQsIG15IGJhZC4KCj4gVGhhdCB3b3VsZCBoYXZlIGtlcHQg bWUgZnJvbSBhc3N1bWluZyB0aGUgd2hvbGUKPiB0aGluZyB3YXMganVzdCBjb3B5LXBhc3RlIGp1 bmsgZnJvbSAuLi5fZW5hYmxlIHRoYXQgaGFwcGVuZWQgdG8gd29yay4KPiAKPiA+PiBkaXNhYmxp bmcgaXQiKSkuIEFueXdheSwgSSdtIG5vdCBldmVuIHN1cmUgdGhpcyBpcyBzdGlsbCBuZWVkZWQg bm93Cj4gPj4gdGhhdCBhdG9taWMgdXBkYXRlcyBoYXZlIGEgd2FpdF9mb3JfZmxpcF9kb25lL3Zi bGFuaygpIGluIHRoZSBjb21taXQKPiA+PiBwYXRoLiAgCj4gCj4gVGhlIGRvY3VtZW50YXRpb24g Zm9yIHRoZSBSU1QgYml0IHN0YXRlcyAiUmVzZXRzIHRoZSBsYXllciBpbW1lZGlhdGVseS4KPiBU aGUgZnJhbWUgaXMgYWJvcnRlZC4iIHdoaWNoIHNvdW5kcyBhIGJpdCBzY2FyeSBhbmQgaGVhdnkt aGFuZGVkLiBCdXQKPiBhZ2FpbiwgSSBkb24ndCBrbm93IHdoYXQgdGhhdCBhY3R1YWxseSBtZWFu cyBhbmQgd2hhdCB0aGUgZWZmZWN0cyBhcmUKPiBidXQgdGhhdCB3YXMgdGhlIHJlYXNvbiBmb3Ig bWUgd2FudGluZyB0byBhdm9pZCB0aGUgUlNUIGJpdC4KCkFzIEkgc2FpZCwgSSdtIG5vdCBldmVu IHN1cmUgdGhlIHByb2JsZW0gSSB3YXMgdHJ5aW5nIHRvIGZpeCBzdGlsbApleGlzdHMuCl9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZlbCBtYWls aW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZy ZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbAo=