From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH] [RFC] drm/i915: Handle HPD when it has actually occurred Date: Mon, 6 Jul 2015 10:36:18 +0200 Message-ID: <20150706083618.GH2156@phenom.ffwll.local> References: <1436162033-22654-1-git-send-email-sonika.jindal@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-wi0-f170.google.com (mail-wi0-f170.google.com [209.85.212.170]) by gabe.freedesktop.org (Postfix) with ESMTPS id C9C836E7FE for ; Mon, 6 Jul 2015 01:33:31 -0700 (PDT) Received: by wifm2 with SMTP id m2so22344876wif.1 for ; Mon, 06 Jul 2015 01:33:30 -0700 (PDT) Content-Disposition: inline In-Reply-To: <1436162033-22654-1-git-send-email-sonika.jindal@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Sonika Jindal Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gTW9uLCBKdWwgMDYsIDIwMTUgYXQgMTE6MjM6NTNBTSArMDUzMCwgU29uaWthIEppbmRhbCB3 cm90ZToKPiBXcml0aW5nIHRvIFBDSF9QT1JUX0hPVFBMVUcgZm9yIGVhY2ggaW50ZXJydXB0IGlz IG5vdCByZXF1aXJlZC4KPiBIYW5kbGUgaXQgb25seSBpZiBocGQgaGFzIGFjdHVhbGx5IG9jY3Vy cmVkIGxpa2Ugd2UgaGFuZGxlIG90aGVyCj4gaW50ZXJydXB0cy4KPiAKPiBTaWduZWQtb2ZmLWJ5 OiBTb25pa2EgSmluZGFsIDxzb25pa2EuamluZGFsQGludGVsLmNvbT4KPiAtLS0KPiBIaSwKPiAK PiBJIHNlZSB3ZSBkb24ndCBjaGVjayBmb3IgaG90cGx1Z190cmlnZ2VyIGJlZm9yZSBwcm9jZXNz aW5nIHRoZSBIUEQgZm9yIGFueSBvZiB0aGUgcGxhdGZvcm0uIElzIHRoZXJlIGFueSByZWFzb24g Zm9yIHRoaXM/Cj4gRm9yIFNLTCwgaWYgSSBsZXQgd3JpdGUgdG8gUENIX1BPUlRfSE9UUExVRyBo YXBwZW4gZm9yIGFsbCBpbnRlcnJ1cHRzLCBzb21laG93IHRoaXMgcmVnaXN0ZXIgZ2V0cyBhbiBp bnZhbGlkIHZhbHVlIGF0IG9uZSBwb2ludCBhbmQgaXQgemVyb2VzIGl0IG91dC4KPiBJZiBJIHB1 dCB0aGlzIGNoZWNrIGJlZm9yZSBoYW5kbGluZyBIUEQsIGhvdHBsdWcgYmVoYXZlcyBmaW5lLgo+ IFBsZWFzZSBsZXQgbWUga25vdyBpZiB5b3Ugc2VlIGFueSBpc3N1ZSB3aXRoIHRoaXMgYXBwcm9h Y2guCgpOaWNlIGZpbmQsIHRoaXMgc291bmRzIHJlYWxseSBpbnRyaWd1ZWluZywgYXQgbGVhc3Qg Zm9yIGNwdC9pYnggcGxhdGZvcm1zLgpJJ20gbm90IHN1cmUgd2hldGhlciB3aGF0IHdpbGwgaGFw cGVuIHdpdGggYXRvbS9pOXh4IHBsYXRmb3JtcyB0aG91Z2gKc2luY2UgdGhlIGlycSBiaXRzIGFy ZSBkaWZmZXJlbnQgdGhlcmUuIEJ1dCBhdCBsZWFzdCBieHQgaGFzIGEgRklYTUUKY29tbWVudCB0 aGF0IHN1Z2dlc3Qgd2UgZG8gbmVlZCB0byBzYXZlIHRoZSBzdGlja3kgYml0cyBvbiB0aG9zZSBw bGF0Zm9ybXMKdG9vLgoKSWYgd2UgY2FuIGZpeCB0aGlzIHVwIGZvciBhbGwgcGxhdGZvcm1zIHRo ZW4gSSB0aGluayBhIHN1YnNlcXVlbnQgcGF0Y2gKY291bGQgdHJ5IHRvIHJlLWVuYWJsZSB0aGUg aHBkIGNoZWNrcyBpbiB0aGUgaGRtaSAtPmRldGVjdCBmdW5jdGlvbiBhbmQKbWFrZSB1c2Ugc3Bl YyBjb21wbGlhbnQuIFRoZW4gYWZ0ZXIgbWF5YmUgMS0yIGtlcm5lbCByZWxlYXNlcyBvZiB0ZXN0 aW5nCndlJ2xsIGtub3cgd2hldGhlciBpdCByZWFsbHkgd29ya3MuCgpCdXQgSSdkIHJlYWxseSB3 YW50IHRvIGVuYWJsZSB0aGlzIGV2ZXJ5d2hlcmUganVzdCB0byBoYXZlIG1heGltYWwgdGVzdApj b3ZlcmFnZSAtIHdlIGRpZCBoYXZlIHJlcG9ydHMgb24gYWxsIHBsYXRmb3JtcyBzbyBpdCBzZWVt cyBhIGdlbmVyaWMKaXNzdWUuCgpUaGFua3MsIERhbmllbAoKPiAKPiBUaGFua3MsCj4gU29uaWth Cj4gCj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfaXJxLmMgfCAgIDExICsrKysrKy0tLS0t Cj4gIDEgZmlsZSBjaGFuZ2VkLCA2IGluc2VydGlvbnMoKyksIDUgZGVsZXRpb25zKC0pCj4gCj4g ZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfaXJxLmMgYi9kcml2ZXJzL2dw dS9kcm0vaTkxNS9pOTE1X2lycS5jCj4gaW5kZXggYTZmYmU2NC4uMmQ0NzM3MiAxMDA2NDQKPiAt LS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2lycS5jCj4gKysrIGIvZHJpdmVycy9ncHUv ZHJtL2k5MTUvaTkxNV9pcnEuYwo+IEBAIC0xNzYwLDExICsxNzYwLDEyIEBAIHN0YXRpYyB2b2lk IGNwdF9pcnFfaGFuZGxlcihzdHJ1Y3QgZHJtX2RldmljZSAqZGV2LCB1MzIgcGNoX2lpcikKPiAg CXUzMiBkaWdfaG90cGx1Z19yZWc7Cj4gIAl1MzIgcGluX21hc2ssIGxvbmdfbWFzazsKPiAgCj4g LQlkaWdfaG90cGx1Z19yZWcgPSBJOTE1X1JFQUQoUENIX1BPUlRfSE9UUExVRyk7Cj4gLQlJOTE1 X1dSSVRFKFBDSF9QT1JUX0hPVFBMVUcsIGRpZ19ob3RwbHVnX3JlZyk7Cj4gLQo+IC0JcGNoX2dl dF9ocGRfcGlucygmcGluX21hc2ssICZsb25nX21hc2ssIGhvdHBsdWdfdHJpZ2dlciwgZGlnX2hv dHBsdWdfcmVnLCBocGRfY3B0KTsKPiAtCWludGVsX2hwZF9pcnFfaGFuZGxlcihkZXYsIHBpbl9t YXNrLCBsb25nX21hc2spOwo+ICsJaWYgKGhvdHBsdWdfdHJpZ2dlcikgewo+ICsJCWRpZ19ob3Rw bHVnX3JlZyA9IEk5MTVfUkVBRChQQ0hfUE9SVF9IT1RQTFVHKTsKPiArCQlJOTE1X1dSSVRFKFBD SF9QT1JUX0hPVFBMVUcsIGRpZ19ob3RwbHVnX3JlZyk7Cj4gKwkJcGNoX2dldF9ocGRfcGlucygm cGluX21hc2ssICZsb25nX21hc2ssIGhvdHBsdWdfdHJpZ2dlciwgZGlnX2hvdHBsdWdfcmVnLCBo cGRfY3B0KTsKPiArCQlpbnRlbF9ocGRfaXJxX2hhbmRsZXIoZGV2LCBwaW5fbWFzaywgbG9uZ19t YXNrKTsKPiArCX0KPiAgCj4gIAlpZiAocGNoX2lpciAmIFNERV9BVURJT19QT1dFUl9NQVNLX0NQ VCkgewo+ICAJCWludCBwb3J0ID0gZmZzKChwY2hfaWlyICYgU0RFX0FVRElPX1BPV0VSX01BU0tf Q1BUKSA+Pgo+IC0tIAo+IDEuNy4xMC40Cj4gCj4gX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX18KPiBJbnRlbC1nZnggbWFpbGluZyBsaXN0Cj4gSW50ZWwtZ2Z4 QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwo+IGh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFp bG1hbi9saXN0aW5mby9pbnRlbC1nZngKCi0tIApEYW5pZWwgVmV0dGVyClNvZnR3YXJlIEVuZ2lu ZWVyLCBJbnRlbCBDb3Jwb3JhdGlvbgpodHRwOi8vYmxvZy5mZndsbC5jaApfX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0 CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9w Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=