From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH] [RFC] drm/i915: Handle HPD when it has actually occurred Date: Mon, 6 Jul 2015 14:18:16 +0300 Message-ID: <20150706111816.GL5176@intel.com> References: <1436162033-22654-1-git-send-email-sonika.jindal@intel.com> <20150706084917.GH5176@intel.com> <559A4404.30805@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTP id 1C8116E160 for ; Mon, 6 Jul 2015 04:18:29 -0700 (PDT) Content-Disposition: inline In-Reply-To: <559A4404.30805@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: "Jindal, Sonika" Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gTW9uLCBKdWwgMDYsIDIwMTUgYXQgMDI6MzE6NTZQTSArMDUzMCwgSmluZGFsLCBTb25pa2Eg d3JvdGU6Cj4gCj4gCj4gT24gNy82LzIwMTUgMjoxOSBQTSwgVmlsbGUgU3lyasOkbMOkIHdyb3Rl Ogo+ID4gT24gTW9uLCBKdWwgMDYsIDIwMTUgYXQgMTE6MjM6NTNBTSArMDUzMCwgU29uaWthIEpp bmRhbCB3cm90ZToKPiA+PiBXcml0aW5nIHRvIFBDSF9QT1JUX0hPVFBMVUcgZm9yIGVhY2ggaW50 ZXJydXB0IGlzIG5vdCByZXF1aXJlZC4KPiA+PiBIYW5kbGUgaXQgb25seSBpZiBocGQgaGFzIGFj dHVhbGx5IG9jY3VycmVkIGxpa2Ugd2UgaGFuZGxlIG90aGVyCj4gPj4gaW50ZXJydXB0cy4KPiA+ Pgo+ID4+IFNpZ25lZC1vZmYtYnk6IFNvbmlrYSBKaW5kYWwgPHNvbmlrYS5qaW5kYWxAaW50ZWwu Y29tPgo+ID4+IC0tLQo+ID4+IEhpLAo+ID4+Cj4gPj4gSSBzZWUgd2UgZG9uJ3QgY2hlY2sgZm9y IGhvdHBsdWdfdHJpZ2dlciBiZWZvcmUgcHJvY2Vzc2luZyB0aGUgSFBEIGZvciBhbnkgb2YgdGhl IHBsYXRmb3JtLiBJcyB0aGVyZSBhbnkgcmVhc29uIGZvciB0aGlzPwo+ID4+IEZvciBTS0wsIGlm IEkgbGV0IHdyaXRlIHRvIFBDSF9QT1JUX0hPVFBMVUcgaGFwcGVuIGZvciBhbGwgaW50ZXJydXB0 cywgc29tZWhvdyB0aGlzIHJlZ2lzdGVyIGdldHMgYW4gaW52YWxpZCB2YWx1ZSBhdCBvbmUgcG9p bnQgYW5kIGl0IHplcm9lcyBpdCBvdXQuCj4gPj4gSWYgSSBwdXQgdGhpcyBjaGVjayBiZWZvcmUg aGFuZGxpbmcgSFBELCBob3RwbHVnIGJlaGF2ZXMgZmluZS4KPiA+PiBQbGVhc2UgbGV0IG1lIGtu b3cgaWYgeW91IHNlZSBhbnkgaXNzdWUgd2l0aCB0aGlzIGFwcHJvYWNoLgo+ID4+Cj4gPj4gVGhh bmtzLAo+ID4+IFNvbmlrYQo+ID4+Cj4gPj4gICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2ly cS5jIHwgICAxMSArKysrKystLS0tLQo+ID4+ICAgMSBmaWxlIGNoYW5nZWQsIDYgaW5zZXJ0aW9u cygrKSwgNSBkZWxldGlvbnMoLSkKPiA+Pgo+ID4+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9k cm0vaTkxNS9pOTE1X2lycS5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9pcnEuYwo+ID4+ IGluZGV4IGE2ZmJlNjQuLjJkNDczNzIgMTAwNjQ0Cj4gPj4gLS0tIGEvZHJpdmVycy9ncHUvZHJt L2k5MTUvaTkxNV9pcnEuYwo+ID4+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfaXJx LmMKPiA+PiBAQCAtMTc2MCwxMSArMTc2MCwxMiBAQCBzdGF0aWMgdm9pZCBjcHRfaXJxX2hhbmRs ZXIoc3RydWN0IGRybV9kZXZpY2UgKmRldiwgdTMyIHBjaF9paXIpCj4gPj4gICAJdTMyIGRpZ19o b3RwbHVnX3JlZzsKPiA+PiAgIAl1MzIgcGluX21hc2ssIGxvbmdfbWFzazsKPiA+Pgo+ID4+IC0J ZGlnX2hvdHBsdWdfcmVnID0gSTkxNV9SRUFEKFBDSF9QT1JUX0hPVFBMVUcpOwo+ID4+IC0JSTkx NV9XUklURShQQ0hfUE9SVF9IT1RQTFVHLCBkaWdfaG90cGx1Z19yZWcpOwo+ID4+IC0KPiA+PiAt CXBjaF9nZXRfaHBkX3BpbnMoJnBpbl9tYXNrLCAmbG9uZ19tYXNrLCBob3RwbHVnX3RyaWdnZXIs IGRpZ19ob3RwbHVnX3JlZywgaHBkX2NwdCk7Cj4gPj4gLQlpbnRlbF9ocGRfaXJxX2hhbmRsZXIo ZGV2LCBwaW5fbWFzaywgbG9uZ19tYXNrKTsKPiA+PiArCWlmIChob3RwbHVnX3RyaWdnZXIpIHsK PiA+PiArCQlkaWdfaG90cGx1Z19yZWcgPSBJOTE1X1JFQUQoUENIX1BPUlRfSE9UUExVRyk7Cj4g Pj4gKwkJSTkxNV9XUklURShQQ0hfUE9SVF9IT1RQTFVHLCBkaWdfaG90cGx1Z19yZWcpOwo+ID4+ ICsJCXBjaF9nZXRfaHBkX3BpbnMoJnBpbl9tYXNrLCAmbG9uZ19tYXNrLCBob3RwbHVnX3RyaWdn ZXIsIGRpZ19ob3RwbHVnX3JlZywgaHBkX2NwdCk7Cj4gPj4gKwkJaW50ZWxfaHBkX2lycV9oYW5k bGVyKGRldiwgcGluX21hc2ssIGxvbmdfbWFzayk7Cj4gPj4gKwl9Cj4gPgo+ID4gRGVqYSB2dS4g SSB0aGluayBJIGhhdmUgdGhlIHNhbWUgcGF0Y2ggKGFsc28gZm9yIElCWCkgaW4gbXkgc3RhbGxl ZAo+ID4gKGFuZCBuZXZlciBwb3N0ZWQpIHBvcnQgQSBIUEQgYnJhbmNoLiBTbyB5ZWFoLCBJIHRo aW5rIHRoaXMKPiA+IG1ha2VzIHNlbnNlLgo+ID4KPiA+IFlvdSBjYW4gYWxzbyBtb3ZlIHRoZSBk aWdfaG90cGx1Z19yZWcsIHBpbl9tYXNrLCBhbmQgbG9uZ19tYXNrIGRlY2xhcmF0aW9ucwo+ID4g aW50byB0aGUgaWYgYmxvY2sgc2luY2UgdGhleSdyZSBub3QgbmVlZGVkIGVsc2V3aGVyZS4KPiBT dXJlLiBEbyB5b3UgdGhpbmsgSSBzaG91bGQgYWRkIHRoaXMgZm9yIGlieCBhcyB3ZWxsPwoKWWVz LgoKLS0gClZpbGxlIFN5cmrDpGzDpApJbnRlbCBPVEMKX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhA bGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1h bi9saXN0aW5mby9pbnRlbC1nZngK