From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH v2 5/6] drm/i915: Avoid a full port detection in the first eDP short pulse Date: Thu, 11 Oct 2018 16:21:21 +0300 Message-ID: <20181011132121.GI9144@intel.com> References: <20181011004124.4110-1-jose.souza@intel.com> <20181011004124.4110-5-jose.souza@intel.com> 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 D570F6E3E8 for ; Thu, 11 Oct 2018 13:21:24 +0000 (UTC) Content-Disposition: inline In-Reply-To: <20181011004124.4110-5-jose.souza@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: =?iso-8859-1?Q?Jos=E9?= Roberto de Souza Cc: intel-gfx@lists.freedesktop.org, Dhinakaran Pandiyan List-Id: intel-gfx@lists.freedesktop.org T24gV2VkLCBPY3QgMTAsIDIwMTggYXQgMDU6NDE6MjNQTSAtMDcwMCwgSm9zw6kgUm9iZXJ0byBk ZSBTb3V6YSB3cm90ZToKPiBTb21lIGVEUCBwYW5lbHMgZG8gbm90IHNldCBhIHZhbGlkIHNpbmsg Y291bnQgdmFsdWUgYW5kIGV2ZW4gZm9yIHRoZQo+IG9uZXMgdGhhdCBzZXRzIGlzIHNob3VsZCBh bHdheXMgYmUgb25lIGZvciBlRFAsIHRoYXQgaXMgd2h5IGl0IGlzIG5vdAo+IGNhY2hlZCBpbiBp bnRlbF9lZHBfaW5pdF9kcGNkKCkuCj4gCj4gQnV0IGludGVsX2RwX3Nob3J0X3B1bHNlKCkgY29t cGFyZXMgdGhlIG9sZCBjb3VudCB3aXRoIHRoZSByZWFkIG9uZQo+IGlmIHRoZXJlIGlzIGEgbWlz dG1hdGNoIGEgZnVsbCBwb3J0IGRldGVjdGlvbiB3aWxsIGJlIGV4ZWN1dGVkLCB3aGF0Cj4gd2Fz IGhhcHBlbmluZyBpbiB0aGUgZmlyc3Qgc2hvcnQgcHVsc2UgaW50ZXJydXB0aW9uIG9mIGVEUCBw YW5lbHMKPiB0aGF0IHNldHMgc2luayBjb3VudC4KPiAKPiBJbnN0ZWFkIG9mIGp1c3Qgc2tpcCB0 aGUgY29tcGFzaXNvbiBmb3IgZURQIHBhbmVscywgbGV0cyBub3QgcmVhZAo+IHRoZSBzaW5rIGNv dW50IGF0IGFsbCBmb3IgZURQLgo+IAo+IHYyOiB0aGUgcHJldmlvdXMgdmVyc2lvbiBvZiB0aGlz IHBhdGNoIHdhcyBjYWNoaW5nIHRoZSBzaW5rIGNvdW50Cj4gaW4gaW50ZWxfZWRwX2luaXRfZHBj ZCgpIGJ1dCBJIHdhcyBwb2ludGVkIG91dCBieSBWaWxsZSBhIHBhdGNoIHRoYXQKPiBoYW5kbGVk IGEgY2FzZSBvZiBhIGVEUCBwYW5lbCB0aGF0IGRvIG5vdCBzZXQgc2luayBjb3VudAo+IAo+IENj OiBWaWxsZSBTeXJqw6Rsw6QgPHZpbGxlLnN5cmphbGFAbGludXguaW50ZWwuY29tPgo+IENjOiBE aGluYWthcmFuIFBhbmRpeWFuIDxkaGluYWthcmFuLnBhbmRpeWFuQGludGVsLmNvbT4KPiBTaWdu ZWQtb2ZmLWJ5OiBKb3PDqSBSb2JlcnRvIGRlIFNvdXphIDxqb3NlLnNvdXphQGludGVsLmNvbT4K PiAtLS0KPiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHAuYyB8IDQ0ICsrKysrKysrKysr KysrKysrKystLS0tLS0tLS0tLS0tLQo+ICAxIGZpbGUgY2hhbmdlZCwgMjYgaW5zZXJ0aW9ucygr KSwgMTggZGVsZXRpb25zKC0pCj4gCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1 L2ludGVsX2RwLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jCj4gaW5kZXggMTNm Zjg5YmU2YWQ2Li4xODI2ZDQ5MWVmZDcgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5 MTUvaW50ZWxfZHAuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwLmMKPiBA QCAtNDAzNCw4ICs0MDM0LDYgQEAgaW50ZWxfZWRwX2luaXRfZHBjZChzdHJ1Y3QgaW50ZWxfZHAg KmludGVsX2RwKQo+ICBzdGF0aWMgYm9vbAo+ICBpbnRlbF9kcF9nZXRfZHBjZChzdHJ1Y3QgaW50 ZWxfZHAgKmludGVsX2RwKQo+ICB7Cj4gLQl1OCBzaW5rX2NvdW50Owo+IC0KPiAgCWlmICghaW50 ZWxfZHBfcmVhZF9kcGNkKGludGVsX2RwKSkKPiAgCQlyZXR1cm4gZmFsc2U7Cj4gIAo+IEBAIC00 MDQ1LDI1ICs0MDQzLDM1IEBAIGludGVsX2RwX2dldF9kcGNkKHN0cnVjdCBpbnRlbF9kcCAqaW50 ZWxfZHApCj4gIAkJaW50ZWxfZHBfc2V0X2NvbW1vbl9yYXRlcyhpbnRlbF9kcCk7Cj4gIAl9Cj4g IAo+IC0JaWYgKGRybV9kcF9kcGNkX3JlYWRiKCZpbnRlbF9kcC0+YXV4LCBEUF9TSU5LX0NPVU5U LCAmc2lua19jb3VudCkgPD0gMCkKPiAtCQlyZXR1cm4gZmFsc2U7Cj4gLQo+ICAJLyoKPiAtCSAq IFNpbmsgY291bnQgY2FuIGNoYW5nZSBiZXR3ZWVuIHNob3J0IHB1bHNlIGhwZCBoZW5jZQo+IC0J ICogYSBtZW1iZXIgdmFyaWFibGUgaW4gaW50ZWxfZHAgd2lsbCB0cmFjayBhbnkgY2hhbmdlcwo+ IC0JICogYmV0d2VlbiBzaG9ydCBwdWxzZSBpbnRlcnJ1cHRzLgo+ICsJICogU29tZSBlRFAgcGFu ZWxzIGRvIG5vdCBzZXQgYSB2YWxpZCB2YWx1ZSBmb3Igc2luayBjb3VudCwgdGhhdCBpcyB3aHkK PiArCSAqIGl0IGRvbid0IGNhcmUgYWJvdXQgcmVhZCBpdCBoZXJlIGFuZCBpbiBpbnRlbF9lZHBf aW5pdF9kcGNkKCkuCgpDYW4ndCBxdWl0ZSBwYXJzZSB0aGF0LgoKIlNvbWUgZURQIHBhbmVscyBk byBub3Qgc2V0IGEgdmFsaWQgdmFsdWUKIGZvciBzaW5rIGNvdW50LCBzbyB3ZSBpZ25vcmUgaXQu IgoKb3Igc29tZXRoaW5nIGxpa2UgdGhhdCBwZXJoYXBzLgoKPiAgCSAqLwo+IC0JaW50ZWxfZHAt PnNpbmtfY291bnQgPSBEUF9HRVRfU0lOS19DT1VOVChzaW5rX2NvdW50KTsKPiArCWlmICghaW50 ZWxfZHBfaXNfZWRwKGludGVsX2RwKSkgewo+ICsJCXU4IGNvdW50Owo+ICsJCXNzaXplX3QgcjsK PiAgCj4gLQkvKgo+IC0JICogU0lOS19DT1VOVCA9PSAwIGFuZCBET1dOU1RSRUFNX1BPUlRfUFJF U0VOVCA9PSAxIGltcGxpZXMgdGhhdAo+IC0JICogYSBkb25nbGUgaXMgcHJlc2VudCBidXQgbm8g ZGlzcGxheS4gVW5sZXNzIHdlIHJlcXVpcmUgdG8ga25vdwo+IC0JICogaWYgYSBkb25nbGUgaXMg cHJlc2VudCBvciBub3QsIHdlIGRvbid0IG5lZWQgdG8gdXBkYXRlCj4gLQkgKiBkb3duc3RyZWFt IHBvcnQgaW5mb3JtYXRpb24uIFNvLCBhbiBlYXJseSByZXR1cm4gaGVyZSBzYXZlcwo+IC0JICog dGltZSBmcm9tIHBlcmZvcm1pbmcgb3RoZXIgb3BlcmF0aW9ucyB3aGljaCBhcmUgbm90IHJlcXVp cmVkLgo+IC0JICovCj4gLQlpZiAoIWludGVsX2RwX2lzX2VkcChpbnRlbF9kcCkgJiYgIWludGVs X2RwLT5zaW5rX2NvdW50KQo+IC0JCXJldHVybiBmYWxzZTsKPiArCQlyID0gZHJtX2RwX2RwY2Rf cmVhZGIoJmludGVsX2RwLT5hdXgsIERQX1NJTktfQ09VTlQsICZjb3VudCk7Cj4gKwkJaWYgKHIg PCAxKQo+ICsJCQlyZXR1cm4gZmFsc2U7CgpNeSBlYXJsaWVyIHN1Z2dlc3Rpb24gd2FzIHRoYXQg d2Ugc2hvdWxkIGtlZXAgcmVhZGluZyB0aGlzCmFueXdheSBiZWNhdXNlIHNvbWUgY3RzIG1heWJl IHJlcXVpcmVkIGl0LiBXb3VsZCBhdCBsZWFzdAphdm9pZCBtaXhpbmcgaW4gdHdvIGZ1bmN0aW9u YWwgY2hhbmdlcyBpbnRvIG9uY2UgcGF0Y2guCgo+ICsKPiArCQkvKgo+ICsJCSAqIFNpbmsgY291 bnQgY2FuIGNoYW5nZSBiZXR3ZWVuIHNob3J0IHB1bHNlIGhwZCBoZW5jZQo+ICsJCSAqIGEgbWVt YmVyIHZhcmlhYmxlIGluIGludGVsX2RwIHdpbGwgdHJhY2sgYW55IGNoYW5nZXMKPiArCQkgKiBi ZXR3ZWVuIHNob3J0IHB1bHNlIGludGVycnVwdHMuCj4gKwkJICovCj4gKwkJaW50ZWxfZHAtPnNp bmtfY291bnQgPSBEUF9HRVRfU0lOS19DT1VOVChjb3VudCk7Cj4gKwo+ICsJCS8qCj4gKwkJICog U0lOS19DT1VOVCA9PSAwIGFuZCBET1dOU1RSRUFNX1BPUlRfUFJFU0VOVCA9PSAxIGltcGxpZXMg dGhhdAo+ICsJCSAqIGEgZG9uZ2xlIGlzIHByZXNlbnQgYnV0IG5vIGRpc3BsYXkuIFVubGVzcyB3 ZSByZXF1aXJlIHRvIGtub3cKPiArCQkgKiBpZiBhIGRvbmdsZSBpcyBwcmVzZW50IG9yIG5vdCwg d2UgZG9uJ3QgbmVlZCB0byB1cGRhdGUKPiArCQkgKiBkb3duc3RyZWFtIHBvcnQgaW5mb3JtYXRp b24uIFNvLCBhbiBlYXJseSByZXR1cm4gaGVyZSBzYXZlcwo+ICsJCSAqIHRpbWUgZnJvbSBwZXJm b3JtaW5nIG90aGVyIG9wZXJhdGlvbnMgd2hpY2ggYXJlIG5vdCByZXF1aXJlZC4KPiArCQkgKi8K PiArCQlpZiAoIWludGVsX2RwLT5zaW5rX2NvdW50KQo+ICsJCQlyZXR1cm4gZmFsc2U7Cj4gKwl9 Cj4gIAo+ICAJaWYgKCFkcm1fZHBfaXNfYnJhbmNoKGludGVsX2RwLT5kcGNkKSkKPiAgCQlyZXR1 cm4gdHJ1ZTsgLyogbmF0aXZlIERQIHNpbmsgKi8KPiAtLSAKPiAyLjE5LjEKCi0tIApWaWxsZSBT eXJqw6Rsw6QKSW50ZWwKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Au b3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwt Z2Z4Cg==