From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kahola Subject: Re: [PATCH] drm/i915: Return early when pipes are not available Date: Fri, 10 Nov 2017 15:34:47 +0200 Message-ID: <1510320887.16370.15.camel@intel.com> References: <1510224592-14732-1-git-send-email-mika.kahola@intel.com> <151022530410.826.8339091200992722295@mail.alporthouse.com> <1510225865.16370.3.camel@intel.com> <20171109131524.GL10981@intel.com> <1510316521.16370.13.camel@intel.com> <87k1yy8e0h.fsf@intel.com> Reply-To: mika.kahola@intel.com Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id ADCB06EA7A for ; Fri, 10 Nov 2017 13:32:22 +0000 (UTC) In-Reply-To: <87k1yy8e0h.fsf@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Jani Nikula , Ville =?ISO-8859-1?Q?Syrj=E4l=E4?= Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gRnJpLCAyMDE3LTExLTEwIGF0IDE1OjIyICswMjAwLCBKYW5pIE5pa3VsYSB3cm90ZToKPiBP biBGcmksIDEwIE5vdiAyMDE3LCBNaWthIEthaG9sYSA8bWlrYS5rYWhvbGFAaW50ZWwuY29tPiB3 cm90ZToKPiA+IAo+ID4gT24gVGh1LCAyMDE3LTExLTA5IGF0IDE1OjE1ICswMjAwLCBWaWxsZSBT eXJqw6Rsw6Qgd3JvdGU6Cj4gPiA+IAo+ID4gPiBPbiBUaHUsIE5vdiAwOSwgMjAxNyBhdCAwMTox MTowNVBNICswMjAwLCBNaWthIEthaG9sYSB3cm90ZToKPiA+ID4gPiAKPiA+ID4gPiAKPiA+ID4g PiBPbiBUaHUsIDIwMTctMTEtMDkgYXQgMTE6MDEgKzAwMDAsIENocmlzIFdpbHNvbiB3cm90ZToK PiA+ID4gPiA+IAo+ID4gPiA+ID4gCj4gPiA+ID4gPiBRdW90aW5nIE1pa2EgS2Fob2xhICgyMDE3 LTExLTA5IDEwOjQ5OjUyKQo+ID4gPiA+ID4gPiAKPiA+ID4gPiA+ID4gCj4gPiA+ID4gPiA+IAo+ ID4gPiA+ID4gPiBBdCBsZWFzdCBpbiBDb2ZmZWUgTGFrZSBpdCBoYXBwZW5zIHRoYXQgd2Ugc3Rh cnQKPiA+ID4gPiA+ID4gaW5pdGlsaWF6aW5nCj4gPiA+ID4gPiA+IGF1ZGlvCj4gPiA+ID4gPiA+ IHdoZW4KPiA+ID4gPiA+ID4gbm8gZGlzcGxheSBpcyBjb25uZWN0ZWQuIFRoaXMgd2FzIGRpc2Nv dmVyZWQgYnkgQ0kgd2hlbgo+ID4gPiA+ID4gPiBydW5uaW5nCj4gPiA+ID4gPiA+IElHVAo+ID4g PiA+ID4gPiB0ZXN0Cj4gPiA+ID4gPiA+IGNhc2UKPiA+ID4gPiA+ID4gCj4gPiA+ID4gPiA+IGRy dl9tb2R1bGVfcmVsb2FkIC0tciBiYXNpYy1uby1kaXNwbGF5Cj4gPiA+ID4gPiA+IAo+ID4gPiA+ ID4gPiBUaGUgaXNzdWUgaGVyZSBpcyB0aGF0IHRoZQo+ID4gPiA+ID4gPiAnaW50ZWxfZGV2aWNl X2luZm9fcnVudGltZV9pbml0KCknCj4gPiA+ID4gPiA+IHNldHMKPiA+ID4gPiA+ID4gbnVtX3Bp cGVzIHRvIDAgYnV0IGJlZm9yZSB0aGlzIGhhcHBlbnMgdGhlIGF1ZGlvIHBhcnQgaGFzCj4gPiA+ ID4gPiA+IGFscmVhZHkKPiA+ID4gPiA+ID4gc3RhcnRlZAo+ID4gPiA+ID4gPiB0byBpbml0aWFs aXplIGl0c2VsZi4gTGF0ZXIgb24gdGhlIG51bV9waXBlcyBpcyB1cGRhdGVkIHRvCj4gPiA+ID4g PiA+IDAgaW4KPiA+ID4gPiA+ID4gaW50ZWxfZGV2aWNlX2luZm9fcnVudGltZV9pbml0KCkgYW5k IHdlIGhpdCB0aGF0IHdoZW4gYXVkaW8KPiA+ID4gPiA+ID4gcGFydCBpcwo+ID4gPiA+ID4gPiBk aWdnaW5nCj4gPiA+ID4gPiA+IG91dCBFTEQuIFRoaXMgY2F1c2VzIGEgd2FybmluZyBpbiBkbWVz Zy4gVG8gZml4IHRoaXMgaXNzdWUsCj4gPiA+ID4gPiA+IGxldCdzCj4gPiA+ID4gPiA+IGNoZWNr IHRoZQo+ID4gPiA+ID4gPiBudW1iZXIgb2YgYXZhaWxhYmxlIHBpcGVzIHdoZW4gdHJ5aW5nIHRv IHJlYWQgb3V0IEVMRC4KPiA+ID4gPiA+IGRldl9pbmZvX3J1bnRpbWVfaW5pdCgpIGlzIHRvbyBs YXRlLiBJdCBkZXBlbmRzIG9uIG1taW8gYmVpbmcKPiA+ID4gPiA+IGVuYWJsZWQKPiA+ID4gPiA+ IHRvCj4gPiA+ID4gPiBwcm9iZSB0aGUgSFcgYW5kIG5vdGhpbmcgZWxzZTsgc28gbW92ZSBpdCB0 bwo+ID4gPiA+ID4gaTkxNV9kcml2ZXJfaW5pdF9tbWlvKCk/Cj4gPiA+ID4gT2suIEkgY291bGQg dHJ5IHRoYXQuIEkgd2FzIGFsc28gdGhpbmtpbmcgdGhhdCBpcyB0aGVyZSBhIHdheQo+ID4gPiA+ IHRvCj4gPiA+ID4gcG9zdHBvbmUgYXVkaW8gaW5pdGlhbGl6YXRpb24/Cj4gPiA+IFdlIHByb2Jh Ymx5IHNob3VsZG4ndCBiZSByZWdpc3RlcmluZyB0aGUgYXVkaW8gdGhpbmcgdW50aWwgd2UndmUK PiA+ID4gYWN0dWFsbHkgc2V0IHVwIHRoZSBvdXRwdXRzLgo+ID4gSSB0cmllZCBjb3VwbGUgb2Yg dmVyc2lvbnMuIE9uZSB3aXRoIENocmlzJ3MgaWRlYSB0byBtb3ZlCj4gPiBpbnRlbF9kZXZpY2Vf aW5mb19ydW50aW1lX2luaXQoKSB0b8KgaTkxNV9kcml2ZXJfaW5pdF9tbWlvKCkgZGlkbid0Cj4g PiB0dXJuCj4gPiBvdXQgdG8gYmUgYSBzdWNjZXNzLsKgCj4gPiAKPiA+IGh0dHBzOi8vcGF0Y2h3 b3JrLmZyZWVkZXNrdG9wLm9yZy9zZXJpZXMvMzM1MTQvCj4gPiAKPiA+IEkgYWxzbyB0cmllZCB0 byBzZXQgbnVtX3BpcGVzIHRvIDAgaW4gY2FzZSBvZiBkaXNwbGF5IGRpc2FibGUKPiA+IGFscmVh ZHkKPiA+IGluIGk5MTVfZHJpdmVyX2luaXRfZWFybHkoKS4gVGhhdCBhcHByb2FjaCBkaWRuJ3Qg dHVybiBvdXQgdG8gYmUgYQo+ID4gc3VjY2VzcyBlaXRoZXIuCj4gPiAKPiA+IGh0dHBzOi8vcGF0 Y2h3b3JrLmZyZWVkZXNrdG9wLm9yZy9zZXJpZXMvMzM1MjIvCj4gPiAKPiA+IEknbGwgZ2l2ZSBp dCBhIGdvIGZvciBhIHBhdGNoIHRoYXQgZG9lc24ndCByZWdpc3RlciBhdWRpbyBpbiBjYXNlCj4g PiBvZgo+ID4gZGlzYWJsZWQgZGlzcGxheS4KPiBUaGF0IHNlZW1zIGxpa2UgdGhlIHdheSB0byBn by4gRGlzcGxheSBkaXNhYmxlIG9uIHRoZSBjb21tYW5kIGxpbmUKPiBzaG91bGQgYmUgbm8gZGlm ZmVyZW50IGZyb20gbnVtX3BpcGVzID09IDAuClllYWgsIGxldCdzIHNraXAgdGhpcyBwYXRjaCBm b3IgdGhpcy4gSSB0ZXN0ZWQgYW5vdGhlciBwYXRjaCB0aGF0CmRvZXNuJ3QgcmVnaXN0ZXIgdGhl IGF1ZGlvIGluIGNhc2Ugb2YgZGlzYWJsZWQgZGlzcGxheS4gQXQgbGVhc3QgdGhlCnRyeWJvdCBy dW4gZm9yIHRoaXMgcGF0Y2ggd2FzIGNsZWFuLgoKaHR0cHM6Ly9wYXRjaHdvcmsuZnJlZWRlc2t0 b3Aub3JnL3Nlcmllcy8zMzYwMS8KCgo+IAo+IEJSLAo+IEphbmkuCj4gCi0tIApNaWthIEthaG9s YSAtIEludGVsIE9UQwoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Au b3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwt Z2Z4Cg==