From mboxrd@z Thu Jan 1 00:00:00 1970 From: Manasi Navare Subject: Re: [PATCH] drm: i915: Preserve old FBC status if update with no new planes Date: Tue, 16 May 2017 18:52:17 -0700 Message-ID: <20170517015216.GB21027@intel.com> References: <20170516003304.32121-1-krisman@collabora.co.uk> <20170516234515.GA21027@intel.com> <877f1g46ii.fsf@dilma.collabora.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2F23189F01 for ; Wed, 17 May 2017 01:47:18 +0000 (UTC) Content-Disposition: inline In-Reply-To: <877f1g46ii.fsf@dilma.collabora.co.uk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Gabriel Krisman Bertazi Cc: intel-gfx@lists.freedesktop.org, Paulo Zanoni List-Id: intel-gfx@lists.freedesktop.org T24gVHVlLCBNYXkgMTYsIDIwMTcgYXQgMTA6Mjc6MzNQTSAtMDMwMCwgR2FicmllbCBLcmlzbWFu IEJlcnRhemkgd3JvdGU6Cj4gTWFuYXNpIE5hdmFyZSA8bWFuYXNpLmQubmF2YXJlQGludGVsLmNv bT4gd3JpdGVzOgo+IAo+IEhpIE1hbmFzaSwKPiAKPiA+IFNvIHRoZSBwdXJwb3NlIG9mIHRoaXMg cGF0Y2ggaXMgdG8gYXZvaWQgb3ZlcndyaXRpbmcgdGhlIG5vX2ZiY19yZWFzb24KPiA+IGZpZWxk IGR1cmluZyBhdG9taWNfY2hlY2sgaW4gY2FzZSB0aGVyZSBpcyBubyBwbGFuZSB1cGRhdGUgc28g dGhhdAo+ID4gaXQgcmV0YWlucyB0aGUgYWN0dWFsIGZhaWx1cmUgbWVzc2FnZSBmcm9tIHByZXZp b3VzIGF0b21pYyBjb21taXQgb3BlcmF0aW9uCj4gPiBmYWlsdXJlIHdoZXJlIGl0IGZhaWxlZCB0 byBlbmFibGUgZmJjIGluIGludGVsX2ZiY19jYW5fZW5hYmxlKCkgZHVyaW5nCj4gPiB0aGUgcG9z dCBwbGFuZSB1cGRhdGUgcmlnaHQ/Cj4gCj4geWVzLCBjb3JyZWN0Lgo+IAo+ID4gT24gTW9uLCBN YXkgMTUsIDIwMTcgYXQgMDk6MzM6MDRQTSAtMDMwMCwgR2FicmllbCBLcmlzbWFuIEJlcnRhemkg d3JvdGU6Cj4gPj4gSWYgdGhlIGF0b21pYyBjb21taXQgZG9lc24ndCBpbmNsdWRlIGFueSBuZXcg cGxhbmUsIHRoZXJlIGlzIG5vIG5lZWQgdG8KPiA+PiBjaG9vc2UgYSBuZXcgQ1JUQyBmb3IgRkJD LCBhbmQgdGhlIGludGVsX2ZiY19jaG9vc2VfY3J0YygpIHdpbGwgYmFpbCBvdXQKPiA+PiBlYXJs eS4gIEFsdGhvdWdoLCBpZiB0aGUgRkJDIHNldHVwIGZhaWxlZCBiZWZvcmVoYW5kIGZvciB3aGF0 ZXZlciByZWFzb24sCj4gPj4gd2UgZG9uJ3QgYmFpbCBlYXJseSwgYnV0IHdlIGNoYW5nZSB0aGUg bm9fZmJjX3JlYXNvbiB0byAibm8gc3VpdGFibGUKPiA+PiBDUlRDIGZvciBGQkMiLCB3aGljaCBz aW1wbHkgaGlkZXMgdGhlIHJlYWwgcmVhc29uIHdoeSB0aGUgRkJDIHdhc24ndAo+ID4KPiA+IEkg dGhpbmsgdGhpcyBjYW4gYmUgcmV3b3JkZWQgYSBiaXQgbGlrZSAiIEFsdGhvdWdoLCBpZiB0aGUg RkJDIHNldHVwIGZhaWxlZAo+ID4gaW4gdGhlIHByZXZpb3VzIGNvbW1pdCwgaWYgdGhlIGN1cnJl bnQgY29tbWl0IGRvZXNudCBpbmNsdWRlIG5ldyBwbGFuZSB1cGRhdGUsCj4gPiBpdCB0cmllcyB0 byBvdmVyd3JpdGUgbm9fZmJjX3JlYXNvbiB0byAibm8gc3VpdGFibGUgQ1JUQyBmb3IgRkJDIi4K PiA+Cj4gPgo+ID4+IGluaXRpYWxpemVkLiAgRm9yIHRoYXQgc2NlbmFyaW8sIGl0IGlzIGJldHRl ciB0aGF0IHdlIHNpbXBseSBrZWVwIHRoZQo+ID4+IG9sZCBtZXNzYWdlIGluLXBsYWNlIHRvIG1h a2UgZGVidWdnaW5nIGVhc2llci4KPiA+PiAKPiA+PiBBIHNjZW5hcmlvIHdoZXJlIHRoaXMgaGFw cGVucyBpcyB3aXRoIHRoZQo+ID4+IGlndEBrbXNfZnJvbnRidWZmZXJfdHJhY2tpbmdAZmJjLXN1 c3BlbmQgdGVzdGNhc2Ugd2hlbiBleGVjdXRlZCBvbiBhCj4gPj4gSGFzd2VsbCBzeXN0ZW0gd2l0 aCBub3QgZW5vdWdoIHN0b2xlbiBtZW1vcnkuICBXaGVuIGVuYWJsaW5nIHRoZSBDUlRDLAo+ID4+ IHRoZSBGQkMgc2V0dXAgd2lsbCBiZSBjb3JyZWN0bHkgaW5pdGlhbGl6ZWQgdG8gYSBzcGVjaWZp YyBDUlRDLCBidXQKPiA+PiB3b24ndCBiZSBlbmFibGVkLCBzaW5jZSB0aGVyZSBpcyBub3QgZW5v dWdoIG1lbW9yeS4gIFRoZSB0ZXN0Y2FzZSB3aWxsCj4gPj4gdGhlbiBlbmFibGUgQ1JDIGNoZWNr aW5nLCB3aGljaCByZXF1aXJlcyBhIHF1aXJrIGZvciBIYXN3ZWxsLCB3aGljaAo+ID4+IGlzc3Vl cyBhIG5ldyBhdG9taWMgY29tbWl0IHRoYXQgZG9lc24ndCB1cGRhdGUgdGhlIHBsYW5lcy4gIFNp bmNlIHRoYXQKPiA+PiB1cGRhdGUgZG9lc24ndCBpbmNsdWRlIGFueSBuZXcgcGxhbmVzIChhbmQg dGhlIEZCQyB3YXNuJ3QgZW5hYmxlZCksCj4gPj4gaW50ZWxfZmJjX2Nob29zZV9jcnRjKCkgd2ls bCBub3QgZmluZCBhbnkgc3VpdGFibGUgQ1JUQywgYnV0IHVwZGF0ZSB0aGUKPiA+PiBlcnJvciBt ZXNzYWdlLCBoaWRpbmcgdGhlIGxhY2sgb2YgbWVtb3J5IGluZm9ybWF0aW9uLCB3aGljaCBpcyB0 aGUKPiA+PiBhY3R1YWwgY2F1c2Ugb2YgdGhlIGluaXRpYWxpemF0aW9uIGZhaWx1cmUuICBBcyBh IHJlc3VsdCwgdGhpcyBjYXVzZXMKPiA+PiB0aGF0IHRlc3QgdG8gZmFpbCBvbiBIYXN3ZWxsLgo+ ID4KPiA+IFNvIHRoZSBwcm9ibGVtIGhlcmUgaXMganVzdCBhIHdyb25nIGVycm9yIG1lc3NhZ2Uu Cj4gPiBIb3cgZG9lcyBhIHdyb25nIGVycm9yIG1lc3NhZ2UgY2F1c2UgdGhlIElHVCB0ZXN0IHRv IGZhaWw/Cj4gCj4gaWd0IGlzIHByZXBhcmVkIHRvIHNraXAgdGhlIHRlc3Qgb24gYm94ZXMgd2hl cmUgdGhlcmUgaXNuJ3QgZW5vdWdoCj4gc3RvbGVuIG1lbW9yeSwgYnV0IHNpbmNlIHdlIG92ZXJ3 cml0ZSB0aGF0IG1lc3NhZ2UsIHRoZSB0ZXN0IHdpbGwKPiBleGVjdXRlIGFuZCBmYWlsLiAgV2Ug ZGlzY3Vzc2VkIGVhcmxpZXIgb24gdGhlIGxpc3QgYWJvdXQgYWRkaW5nIGEgbmV3Cj4gY2hlY2sg dG8gaWd0IGZvciB0aGUgIm5vIHN1aXRhYmxlIENSVEMgZm9yIEZCQyIgbWVzc2FnZSwgYnV0IHRo YXQgY291bGQKPiBlbmQgdXAgaGlkaW5nIG90aGVyIHJlYWwgZXJyb3IgY29uZGl0aW9ucy4KPgoK T2ssIHllcyB0aGVuIHRoaXMgZml4IG1ha2VzIHNlbnNlLiBJbiB0aGF0IGNhc2UgaXQgbG9va3Mg Z29vZCB0byBtZS4KCk1hbmFzaSAKPiAtLSAKPiBHYWJyaWVsIEtyaXNtYW4gQmVydGF6aQpfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFp bGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5m cmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK