From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [RFC PATCH xserver] modesetting: re-set the crtc's mode when link-status goes BAD Date: Thu, 2 Feb 2017 10:01:46 +0100 Message-ID: <20170202090146.t6fuijsolgfpgq4o@phenom.ffwll.local> References: <20170126123728.5680-1-martin.peres@linux.intel.com> <87tw8fxa22.fsf@eliezer.anholt.net> <87poj21b42.fsf@intel.com> <87efzhr8dj.fsf@eliezer.anholt.net> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-wm0-x244.google.com (mail-wm0-x244.google.com [IPv6:2a00:1450:400c:c09::244]) by gabe.freedesktop.org (Postfix) with ESMTPS id DD61E8937C for ; Thu, 2 Feb 2017 09:01:50 +0000 (UTC) Received: by mail-wm0-x244.google.com with SMTP id r18so11719073wmd.3 for ; Thu, 02 Feb 2017 01:01:50 -0800 (PST) Content-Disposition: inline In-Reply-To: <87efzhr8dj.fsf@eliezer.anholt.net> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Eric Anholt Cc: Manasi Navare , xorg-devel@lists.x.org, dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org T24gV2VkLCBGZWIgMDEsIDIwMTcgYXQgMTE6NTg6MTZBTSAtMDgwMCwgRXJpYyBBbmhvbHQgd3Jv dGU6Cj4gSmFuaSBOaWt1bGEgPGphbmkubmlrdWxhQGxpbnV4LmludGVsLmNvbT4gd3JpdGVzOgo+ IAo+ID4gT24gVHVlLCAzMSBKYW4gMjAxNywgRXJpYyBBbmhvbHQgPGVyaWNAYW5ob2x0Lm5ldD4g d3JvdGU6Cj4gPj4gTWFydGluIFBlcmVzIDxtYXJ0aW4ucGVyZXNAbGludXguaW50ZWwuY29tPiB3 cml0ZXM6Cj4gPj4KPiA+Pj4gRGVzcGl0ZSBhbGwgdGhlIGNhcmVmdWwgcGxhbmluZyBvZiB0aGUg a2VybmVsLCBhIGxpbmsgbWF5IGJlY29tZQo+ID4+PiBpbnN1ZmZpY2llbnQgdG8gaGFuZGxlIHRo ZSBjdXJyZW50bHktc2V0IG1vZGUuIEF0IHRoaXMgcG9pbnQsIHRoZQo+ID4+PiBrZXJuZWwgc2hv dWxkIG1hcmsgdGhpcyBwYXJ0aWN1bGFyIGNvbmZpZ3VyYXRpb24gYXMgYmVpbmcgYnJva2VuCj4g Pj4+IGFuZCBwb3RlbnRpYWxseSBwcnVuZSB0aGUgbW9kZSBiZWZvcmUgc2V0dGluZyB0aGUgb2Zm ZW5kaW5nIGNvbm5lY3RvcidzCj4gPj4+IGxpbmstc3RhdHVzIHRvIEJBRCBhbmQgc2VuZCB0aGUg dXNlcnNwYWNlIGEgaG90cGx1ZyBldmVudC4gVGhpcyBtYXkKPiA+Pj4gaGFwcGVuIHJpZ2h0IGFm dGVyIGEgbW9kZXNldCBvciBsYXRlciBvbi4KPiA+Pj4KPiA+Pj4gV2hlbiBhdmFpbGFibGUsIHdl IHNob3VsZCB1c2UgdGhlIGxpbmstc3RhdHVzIGluZm9ybWF0aW9uIHRvIHJlc2V0Cj4gPj4+IHRo ZSB3YW50ZWQgbW9kZS4KPiA+Pj4KPiA+Pj4gU2lnbmVkLW9mZi1ieTogTWFydGluIFBlcmVzIDxt YXJ0aW4ucGVyZXNAbGludXguaW50ZWwuY29tPgo+ID4+Cj4gPj4gSWYgSSB1bmRlcnN0YW5kIHRo aXMgcmlnaHQsIHRoZXJlIGFyZSB0d28gZmFpbHVyZSBtb2RlcyBiZWluZyBoYW5kbGVkOgo+ID4+ Cj4gPj4gMSkgQSBtb2RlIHRoYXQgd29uJ3QgYWN0dWFsbHkgd29yayBiZWNhdXNlIHRoZSBsaW5r IGlzbid0IGdvb2QgZW5vdWdoLgo+ID4+Cj4gPj4gMikgQSBtb2RlIHRoYXQgc2hvdWxkIHdvcmss IGJ1dCBsaW5rIHBhcmFtZXRlcnMgd2VyZSB0b28gb3B0aW1pc3RpYyBhbmQKPiA+PiBpZiB3ZSBq dXN0IGFzayB0aGUga2VybmVsIHRvIHNldCB0aGUgbW9kZSBhZ2FpbiBpdCdsbCB1c2UgbW9yZQo+ ID4+IGNvbnNlcnZhdGl2ZSBwYXJhbWV0ZXJzIHRoYXQgd29yay4KPiA+Pgo+ID4+IFRoaXMgcGF0 Y2ggc2VlbXMgZ29vZCBmb3IgMikuICBGb3IgMSksIHRoZSBkcm1tb2RlX3NldF9tb2RlX21ham9y IGlzCj4gPj4gZ29pbmcgdG8gc2V0IG91ciBvbGQgbW9kZSBiYWNrLiAgV29uJ3QgdGhlIG1vZGVz ZXQgdGhlbiBmYWlsIHRvIGxpbmsKPiA+PiB0cmFpbiBhZ2FpbiwgYW5kIGJyaW5nIHVzIGJhY2sg aW50byB0aGlzIGxvb3A/ICBUaGUgb25seSBlc2NhcGUgdGhhdCBJCj4gPj4gc2VlIHdvdWxkIGJl IHNvbWUgb3RoZXIgdXNlcnNwYWNlIHJlc3BvbmRpbmcgdG8gdGhlIGFkdmVydGlzZWQgbW9kZSBs aXN0Cj4gPj4gY2hhbmdpbmcsIGFuZCB0aGVuIGFza2luZyBYIHRvIG1vZGVzZXQgdG8gc29tZXRo aW5nIG5ldy4KPiA+Pgo+ID4+IFRvIGF2b2lkIHRoYXQgZmFpbHVyZSBidXN5IGxvb3AsIHNob3Vs ZCB3ZSByZS1mZXRjaGluZyBtb2RlcyBhdCB0aGlzCj4gPj4gcG9pbnQsIGFuZCBvbmx5IHJlLXNl dHRpbmcgaWYgb3VyIG1vZGUgc3RpbGwgZXhpc3RzPwo+ID4KPiA+IERpc2NsYWltZXI6IEkgZG9u J3Qga25vdyBhbnl0aGluZyBhYm91dCB0aGUgaW50ZXJuYWxzIG9mIHRoZSBtb2Rlc2V0dGluZwo+ ID4gZHJpdmVyLgo+ID4KPiA+IFBlcmhhcHMgd2UgY2FuIGlkZW50aWZ5IHRoZSB0d28gY2FzZXMg bm93LCBidXQgSSdkIHB1dCB0aGlzIG1vcmUKPiA+IGdlbmVyYWxseTogaWYgdGhlIGxpbmsgc3Rh dHVzIGhhcyBnb25lIGJhZCwgaXQncyBhbiBpbmRpY2F0b3IgdG8KPiA+IHVzZXJzcGFjZSB0aGF0 IHRoZSBjaXJjdW1zdGFuY2VzIG1heSBoYXZlIGNoYW5nZWQsIGFuZCB1c2Vyc3BhY2Ugc2hvdWxk Cj4gPiBxdWVyeSB0aGUga2VybmVsIGZvciB0aGUgbGlzdCBvZiBhdmFpbGFibGUgbW9kZXMgYWdh aW4uIEl0IHNob3VsZCBubwo+ID4gbG9uZ2VyIHRydXN0IGluZm9ybWF0aW9uIG9idGFpbmVkIHBy aW9yIHRvIGdldHRpbmcgdGhlIGJhZCBsaW5rIHN0YXR1cywKPiA+IGluY2x1ZGluZyB0aGUgY3Vy cmVudCBtb2RlLgo+ID4KPiA+IEJ1dCBzcGVjaWZpY2FsbHksIEkgdGhpbmsgeW91J3JlIHJpZ2h0 LCBhbmQgQUZBSUNUIGFza2luZyBmb3IgdGhlIGxpc3QKPiA+IG9mIG1vZGVzIGFnYWluIGlzIHRo ZSBvbmx5IHdheSBmb3IgdGhlIHVzZXJzcGFjZSB0byBkaXN0aW5ndWlzaCBiZXR3ZWVuCj4gPiB0 aGUgdHdvIGNhc2VzLiBJIGRvbid0IHRoaW5rIHRoZXJlJ3MgYSBzaG9ydGN1dCBmb3IgZGVjaWRp bmcgdGhlIGN1cnJlbnQKPiA+IG1vZGUgaXMgc3RpbGwgdmFsaWQuCj4gCj4gVG8gYXZvaWQgdGhl IGJ1c3ktbG9vcCBwcm9ibGVtLCBJIHRoaW5rIEknZCBsaWtlIHRoaXMgcGF0Y2ggdG8gcmUtcXVl cnkKPiB0aGUga2VybmVsIHRvIGFzayBhYm91dCB0aGUgY3VycmVudCBtb2RlIGxpc3QsIGFuZCBv bmx5IHRyeSB0byByZS1zZXQKPiB0aGUgbW9kZSBpZiBvdXIgbW9kZSBpcyBzdGlsbCB0aGVyZS4K ClllYWgsIEkgZ3Vlc3MgdGhhdCBzb3VuZHMgbGlrZSBhIHJlYXNvbmFibGUgaGV1cmlzdGljcy4g TW9yZSBpbnRlZ3JhdGVkCmNvbXBvc2l0b3JzIChha2EgdGhlIHdheWxhbmQgb25lcykgbWlnaHQg YmUgYWJsZSB0byBtYWtlIG1vcmUgdXNlZnVsCmRlY2lzaW9ucywgYnV0IGZvciAtbW9kZXNldHRp bmcgdGhhdCdzIHByb2JhYmx5IHRoZSBiZXN0IHdlIGNhbiBkby4KIAo+IElmIHRoZSBtb2RlIGlz bid0IHRoZXJlLCB0aGVuIGl0J3MgdXAgdG8gdGhlIERFIHRvIHRha2UgYWN0aW9uIGluCj4gcmVz cG9uc2UgdG8gdGhlIG5vdGlmaWNhdGlvbiBvZiBuZXcgbW9kZXMuICBJZiB5b3UgZG9uJ3QgaGF2 ZSBhIERFIHRvCj4gdGFrZSBhcHByb3ByaWF0ZSBhY3Rpb24sIHlvdSdyZSBraW5kIG9mIG91dCBv ZiBsdWNrLgo+IAo+IEFzIGZhciBhcyB0aGUgQUJJIGdvZXMsIHRoaXMgc2VlbXMgZmluZSB0byBt ZS4gIFRoZSBvbmx5IGNvbmNlcm4gSSBoYWQKPiBhYm91dCBBQkkgd2FzIGhhdmluZyB0byB3YWxr IGFsbCB0aGUgY29ubmVjdG9ycyBvbiBldmVyeSB1ZXZlbnQgdG8gc2VlCj4gaWYgYW55IGhhZCBn b25lIGJhZCAtLSBjb3VsZG4ndCB3ZSBoYXZlIGEgZmxhZyBvZiBzb21lIHNvcnQgYWJvdXQgd2hh dAo+IHRoZSB1ZXZlbnQgaW5kaWNhdGVzPyAgQnV0IHVldmVudHMgc2hvdWxkIGJlIHN1cGVyIHJh cmUsIHNvIEknZCBzYXkgdGhlCj4ga2VybmVsIGNvdWxkIGdvIGFoZWFkIHdpdGggdGhlIGN1cnJl bnQgcGxhbi4KCldlJ3ZlIGRpc2N1c3NlZCBmaW5lci1ncmFpbmVkIHVldmVudCBzaW5nYWxsaW5n IGEgZmV3IHRpbWVzLCBhbmQgSSdkIGxpa2UKdGhhdCB0byBiZSBhbiBvcnRob2dvbmFsIGFiaSBl eHRlbnNpb24uIFJpZ2h0IG5vdyB3ZSBqdXN0IGRvbid0IGhhdmUgdGhlCnJlcXVpcmVkIHRyYWNr aW5nIGV2ZW4gd2l0aGluIHRoZSBrZXJuZWwgdG8ga25vdyB3aGljaCBjb25uZWN0b3IgY2hhbmdl ZAooYW5kIHRoZSB0cmFja2luZyB3ZSBkbyBoYXZlIG1pc3NlZCBhIGZldyB0aGluZ3MsIHRvbyku IE15IGlkZWEgaXMgdG8gcHVzaAp0aGUgdHJhY2tpbmcgaW50byB0aGUgbGVhdmVzIG9mIHRoZSBj YWxsY2hhaW5zIHdpdGggYSBmdW5jdGlvbiB0aGF0CmluY3JlYXNlcyBzb21lIHBlci1jb25uZWN0 b3IgZXBvY2ggY291bnRlci4gVGhlbiB3ZSdkIGp1c3QgaGF2ZSB0byBleHBvc2UKdGhhdCBzb21l aG93IGNoZWFwbHkgdG8gdXNlcnNwYWNlIChjb3VsZCBwcm9iYWJseSBqdXN0IHNlbmQgaXQgYWxv bmcgaW4KdGhlIHVldmVudCkuIFBsdXMgZXhwb3NlIGl0IGFzIGEgcmVhZC1vbmx5IHByb3BlcnR5 IHNvIHRoYXQgdXNlcnNwYWNlIGNhbgpyZS1zeW5jaHJvbml6ZS4KCkJ1dCBhZ2FpbiwgdGhhdCBz aG91bGQgYmUgYW4gb3J0aG9nb25hbCB0aGluZyBpbW8uCi1EYW5pZWwKLS0gCkRhbmllbCBWZXR0 ZXIKU29mdHdhcmUgRW5naW5lZXIsIEludGVsIENvcnBvcmF0aW9uCmh0dHA6Ly9ibG9nLmZmd2xs LmNoCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1k ZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczov L2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbAo=