From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lyude Subject: Re: [PATCH 1/3] drm/i915: Do CRT HPD force trigger only when needed Date: Wed, 20 Apr 2016 11:45:50 -0400 Message-ID: <1461167150.18906.2.camel@redhat.com> References: <1460995405-6654-1-git-send-email-ville.syrjala@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by gabe.freedesktop.org (Postfix) with ESMTPS id D21A36EA49 for ; Wed, 20 Apr 2016 15:45:51 +0000 (UTC) In-Reply-To: <1460995405-6654-1-git-send-email-ville.syrjala@linux.intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: ville.syrjala@linux.intel.com, intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org SXJvbmljYWxseSBJIG9ubHkgc3RhcnRlZCBydW5uaW5nIGludG8gdGhlIGhvdHBsdWcgbG9vcCBp c3N1ZSB5b3UgZGVzY3JpYmVkIG9uY2UKSSB3cm90ZSBzb21lIHBhdGNoZXMgdG8gZW5hYmxlIGhw ZCBwb2xsaW5nIGZvciB2bHYsIHNvIHRoZXNlIGNhbWUgYXQgdGhlIHBlcmZlY3QKdGltZS4gQW55 d2F5LCB0ZXN0ZWQgdGhlc2Ugb24gYW4gSW50ZWwgTlVDIGFuZCByZXZpZXdlZCB0aGVtIGFuZCB0 aGV5IGxvb2sgZ29vZAp0byBtZS4KCkZvciB0aGUgd2hvbGUgc2VyaWVzOgoKUmV2aWV3ZWQtYnk6 IEx5dWRlIDxjcGF1bEByZWRoYXQuY29tPgoKT24gTW9uLCAyMDE2LTA0LTE4IGF0IDE5OjAzICsw MzAwLCB2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbSB3cm90ZToKPiBGcm9tOiBWaWxsZSBT eXJqw6Rsw6QgPHZpbGxlLnN5cmphbGFAbGludXguaW50ZWwuY29tPgo+IAo+IFRoZXJlIGRvZXNu J3Qgc2VlbSB0byBiZSBhbnkgbmVlZCB0byBmb3IgdGhlIGZvcmNlIHRyaWdnZXIgdHJpY2sgZXZl cnkKPiBzaW5nbGUgdGltZSBvbiBWTFYgQ1JUIG91dHB1dC4gTGV0J3MgZG8gaXQgdGhlIHNhbWUg d2F5IGFzIG9uIElMSyssIGFuZAo+IGRvIHRoZSBmb3JjZSB0cmlnZ2VyIG9ubHkgb24gdGhlIGZp cnN0IGRldGVjdCBhZnRlciByZXNldC4KPiAKPiBUaGlzIG1lYW5zIHdlIGNhbiBhY3R1YWxseSBq dXN0IGNhbGwgdGhlIElMSysgY29kZSBvbiBWTFYuIFRoZSBvbmx5Cj4gZGlmZmVyZW5jZSBiZXR3 ZWVuIHRoZSB0d28gaXMgdGhlICJ0dXJuIERBQyBvZmYiIHRyaWNrLCBidXQgdGhhdCdzCj4gYWxy ZWFkeSBjb25kaXRpb25hbCBvbiBIQVNfUENIX1NQTElUKCkgc28gaXQgd29uJ3QgYmUgZG9uZSBv biBWTFYuCj4gCj4gQ2M6IEx5dWRlIDxjcGF1bEByZWRoYXQuY29tPgo+IFNpZ25lZC1vZmYtYnk6 IFZpbGxlIFN5cmrDpGzDpCA8dmlsbGUuc3lyamFsYUBsaW51eC5pbnRlbC5jb20+Cj4gLS0tCj4g wqBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9jcnQuYyB8IDM5ICstLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLQo+IMKgMSBmaWxlIGNoYW5nZWQsIDEgaW5zZXJ0aW9uKCsp LCAzOCBkZWxldGlvbnMoLSkKPiAKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUv aW50ZWxfY3J0LmMKPiBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2NydC5jCj4gaW5kZXgg YTJhMzFmZDAxZDFkLi5kMTBkZWE1YmQwOGEgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJt L2k5MTUvaW50ZWxfY3J0LmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9jcnQu Ywo+IEBAIC0zMTYsNDAgKzMxNiw2IEBAIHN0YXRpYyBib29sIGludGVsX2lyb25sYWtlX2NydF9k ZXRlY3RfaG90cGx1ZyhzdHJ1Y3QKPiBkcm1fY29ubmVjdG9yICpjb25uZWN0b3IpCj4gwqAJcmV0 dXJuIHJldDsKPiDCoH0KPiDCoAo+IC1zdGF0aWMgYm9vbCB2YWxsZXl2aWV3X2NydF9kZXRlY3Rf aG90cGx1ZyhzdHJ1Y3QgZHJtX2Nvbm5lY3RvciAqY29ubmVjdG9yKQo+IC17Cj4gLQlzdHJ1Y3Qg ZHJtX2RldmljZSAqZGV2ID0gY29ubmVjdG9yLT5kZXY7Cj4gLQlzdHJ1Y3QgaW50ZWxfY3J0ICpj cnQgPSBpbnRlbF9hdHRhY2hlZF9jcnQoY29ubmVjdG9yKTsKPiAtCXN0cnVjdCBkcm1faTkxNV9w cml2YXRlICpkZXZfcHJpdiA9IGRldi0+ZGV2X3ByaXZhdGU7Cj4gLQl1MzIgYWRwYTsKPiAtCWJv b2wgcmV0Owo+IC0JdTMyIHNhdmVfYWRwYTsKPiAtCj4gLQlzYXZlX2FkcGEgPSBhZHBhID0gSTkx NV9SRUFEKGNydC0+YWRwYV9yZWcpOwo+IC0JRFJNX0RFQlVHX0tNUygidHJpZ2dlciBob3RwbHVn IGRldGVjdCBjeWNsZTogYWRwYT0weCV4XG4iLCBhZHBhKTsKPiAtCj4gLQlhZHBhIHw9IEFEUEFf Q1JUX0hPVFBMVUdfRk9SQ0VfVFJJR0dFUjsKPiAtCj4gLQlJOTE1X1dSSVRFKGNydC0+YWRwYV9y ZWcsIGFkcGEpOwo+IC0KPiAtCWlmICh3YWl0X2ZvcigoSTkxNV9SRUFEKGNydC0+YWRwYV9yZWcp ICYKPiBBRFBBX0NSVF9IT1RQTFVHX0ZPUkNFX1RSSUdHRVIpID09IDAsCj4gLQkJwqDCoMKgwqDC oDEwMDApKSB7Cj4gLQkJRFJNX0RFQlVHX0tNUygidGltZWQgb3V0IHdhaXRpbmcgZm9yIEZPUkNF X1RSSUdHRVIiKTsKPiAtCQlJOTE1X1dSSVRFKGNydC0+YWRwYV9yZWcsIHNhdmVfYWRwYSk7Cj4g LQl9Cj4gLQo+IC0JLyogQ2hlY2sgdGhlIHN0YXR1cyB0byBzZWUgaWYgYm90aCBibHVlIGFuZCBn cmVlbiBhcmUgb24gbm93ICovCj4gLQlhZHBhID0gSTkxNV9SRUFEKGNydC0+YWRwYV9yZWcpOwo+ IC0JaWYgKChhZHBhICYgQURQQV9DUlRfSE9UUExVR19NT05JVE9SX01BU0spICE9IDApCj4gLQkJ cmV0ID0gdHJ1ZTsKPiAtCWVsc2UKPiAtCQlyZXQgPSBmYWxzZTsKPiAtCj4gLQlEUk1fREVCVUdf S01TKCJ2YWxsZXl2aWV3IGhvdHBsdWcgYWRwYT0weCV4LCByZXN1bHQgJWRcbiIsIGFkcGEsCj4g cmV0KTsKPiAtCj4gLQlyZXR1cm4gcmV0Owo+IC19Cj4gLQo+IMKgLyoqCj4gwqAgKiBVc2VzIENS VF9IT1RQTFVHX0VOIGFuZCBDUlRfSE9UUExVR19TVEFUIHRvIGRldGVjdCBDUlQgcHJlc2VuY2Uu Cj4gwqAgKgo+IEBAIC0zNjYsMTIgKzMzMiw5IEBAIHN0YXRpYyBib29sIGludGVsX2NydF9kZXRl Y3RfaG90cGx1ZyhzdHJ1Y3QgZHJtX2Nvbm5lY3Rvcgo+ICpjb25uZWN0b3IpCj4gwqAJYm9vbCBy ZXQgPSBmYWxzZTsKPiDCoAlpbnQgaSwgdHJpZXMgPSAwOwo+IMKgCj4gLQlpZiAoSEFTX1BDSF9T UExJVChkZXYpKQo+ICsJaWYgKEhBU19QQ0hfU1BMSVQoZGV2KSB8fCBJU19WQUxMRVlWSUVXKGRl dikpCj4gwqAJCXJldHVybiBpbnRlbF9pcm9ubGFrZV9jcnRfZGV0ZWN0X2hvdHBsdWcoY29ubmVj dG9yKTsKPiDCoAo+IC0JaWYgKElTX1ZBTExFWVZJRVcoZGV2KSkKPiAtCQlyZXR1cm4gdmFsbGV5 dmlld19jcnRfZGV0ZWN0X2hvdHBsdWcoY29ubmVjdG9yKTsKPiAtCj4gwqAJLyoKPiDCoAnCoCog T24gNCBzZXJpZXMgZGVza3RvcCwgQ1JUIGRldGVjdCBzZXF1ZW5jZSBuZWVkIHRvIGJlIGRvbmUg dHdpY2UKPiDCoAnCoCogdG8gZ2V0IGEgcmVsaWFibGUgcmVzdWx0LgpfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0Cklu dGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5v cmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK