From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rodrigo Vivi Subject: Re: [PATCH v4 1/1] drm/i915/skl+: Add and enable DP AUX CH mutex Date: Mon, 26 Feb 2018 14:41:04 -0800 Message-ID: <20180226224104.GC24704@intel.com> References: <20180226214837.22601-1-jose.souza@intel.com> <20180226214837.22601-2-jose.souza@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id 84C1D6E552 for ; Mon, 26 Feb 2018 22:41:05 +0000 (UTC) Content-Disposition: inline In-Reply-To: <20180226214837.22601-2-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 T24gTW9uLCBGZWIgMjYsIDIwMTggYXQgMDE6NDg6MzdQTSAtMDgwMCwgSm9zw6kgUm9iZXJ0byBk ZSBTb3V6YSB3cm90ZToKPiBXaGVuIFBTUi9QU1IyL0dUQyBpcyBlbmFibGVkIGhhcmR3YXJlIGNh biBkbyBBVVggdHJhbnNhY3Rpb25zIGJ5IGl0Cj4gc2VsZiwgc28gbGV0cyB1c2UgdGhlIG11dGV4 IHJlZ2lzdGVyIHRoYXQgaXMgYXZhaWxhYmxlIGluIGdlbjkrIHRvCj4gYXZvaWQgY29uY3VycmVu dCBhY2Nlc3MgYnkgaGFyZHdhcmUgYW5kIGRyaXZlci4KPiBPbGRlciBnZW4gaGFuZGxpbmcgd2ls bCBiZSBkb25lIHNlcGFyYXRlZC4KPiAKPiBSZWZlcmVuY2U6IGh0dHBzOi8vMDEub3JnL3NpdGVz L2RlZmF1bHQvZmlsZXMvZG9jdW1lbnRhdGlvbi9pbnRlbC1nZngtcHJtLW9zcmMtc2tsLXZvbDEy LWRpc3BsYXkucGRmCj4gUGFnZSAxOTggLSBBVVggcHJvZ3JhbW1pbmcgc2VxdWVuY2UKPiAKPiBD YzogUm9kcmlnbyBWaXZpIDxyb2RyaWdvLnZpdmlAaW50ZWwuY29tPgo+IENjOiBKYW5pIE5pa3Vs YSA8amFuaS5uaWt1bGFAbGludXguaW50ZWwuY29tPgo+IENjOiBEaGluYWthcmFuIFBhbmRpeWFu IDxkaGluYWthcmFuLnBhbmRpeWFuQGludGVsLmNvbT4KPiBDYzogVmlsbGUgU3lyasOkbMOkIDx2 aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbT4KPiBTaWduZWQtb2ZmLWJ5OiBKb3PDqSBSb2Jl cnRvIGRlIFNvdXphIDxqb3NlLnNvdXphQGludGVsLmNvbT4KPiAtLS0KPiAgZHJpdmVycy9ncHUv ZHJtL2k5MTUvaTkxNV9yZWcuaCB8ICA5ICsrKysrKysrCj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1 L2ludGVsX2RwLmMgfCA0NyArKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysr Kwo+ICAyIGZpbGVzIGNoYW5nZWQsIDU2IGluc2VydGlvbnMoKykKPiAKPiBkaWZmIC0tZ2l0IGEv ZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9yZWcuaCBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5 MTVfcmVnLmgKPiBpbmRleCBlZWE1YjJjNTM3ZDQuLmYzNmU4MzliNGI0ZiAxMDA2NDQKPiAtLS0g YS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X3JlZy5oCj4gKysrIGIvZHJpdmVycy9ncHUvZHJt L2k5MTUvaTkxNV9yZWcuaAo+IEBAIC01Mzg1LDYgKzUzODUsMTUgQEAgZW51bSB7Cj4gICNkZWZp bmUgICBEUF9BVVhfQ0hfQ1RMX0ZXX1NZTkNfUFVMU0VfU0tMKGMpICgoKGMpIC0gMSkgPDwgNSkK PiAgI2RlZmluZSAgIERQX0FVWF9DSF9DVExfU1lOQ19QVUxTRV9TS0woYykgICAoKGMpIC0gMSkK PiAgCj4gKyNkZWZpbmUgX0RQQV9BVVhfQ0hfTVVURVgJKGRldl9wcml2LT5pbmZvLmRpc3BsYXlf bW1pb19vZmZzZXQgKyAweDY0MDJDKQo+ICsjZGVmaW5lIF9EUEJfQVVYX0NIX01VVEVYCShkZXZf cHJpdi0+aW5mby5kaXNwbGF5X21taW9fb2Zmc2V0ICsgMHg2NDEyQykKPiArI2RlZmluZSBfRFBD X0FVWF9DSF9NVVRFWAkoZGV2X3ByaXYtPmluZm8uZGlzcGxheV9tbWlvX29mZnNldCArIDB4NjQy MkMpCj4gKyNkZWZpbmUgX0RQRF9BVVhfQ0hfTVVURVgJKGRldl9wcml2LT5pbmZvLmRpc3BsYXlf bW1pb19vZmZzZXQgKyAweDY0MzJDKQo+ICsjZGVmaW5lIF9EUEZfQVVYX0NIX01VVEVYCShkZXZf cHJpdi0+aW5mby5kaXNwbGF5X21taW9fb2Zmc2V0ICsgMHg2NDUyQykKPiArI2RlZmluZSBEUF9B VVhfQ0hfTVVURVgocG9ydCkJX01NSU9fUE9SVChwb3J0LCBfRFBBX0FVWF9DSF9NVVRFWCwgX0RQ Ql9BVVhfQ0hfTVVURVgpCgpzL3BvcnQvYXV4X2NoCgo+ICsjZGVmaW5lICAgRFBfQVVYX0NIX01V VEVYX0VOQUJMRQkJKDEgPDwgMzEpCj4gKyNkZWZpbmUgICBEUF9BVVhfQ0hfTVVURVhfU1RBVFVT CQkoMSA8PCAzMCkKPiArCj4gIC8qCj4gICAqIENvbXB1dGluZyBHTUNIIE0gYW5kIE4gdmFsdWVz IGZvciB0aGUgRGlzcGxheSBQb3J0IGxpbmsKPiAgICoKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9n cHUvZHJtL2k5MTUvaW50ZWxfZHAuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwLmMK PiBpbmRleCAyYzNlYjkwYjk0OTkuLjcwMDQyMzllNGM5ZSAxMDA2NDQKPiAtLS0gYS9kcml2ZXJz L2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50 ZWxfZHAuYwo+IEBAIC0xMDgxLDYgKzEwODEsNDIgQEAgc3RhdGljIHVpbnQzMl90IGludGVsX2Rw X2dldF9hdXhfc2VuZF9jdGwoc3RydWN0IGludGVsX2RwICppbnRlbF9kcCwKPiAgCQkJCQkJYXV4 X2Nsb2NrX2RpdmlkZXIpOwo+ICB9Cj4gIAo+ICtzdGF0aWMgYm9vbCBpbnRlbF9kcF9hdXhfY2hf dHJ5bG9jayhzdHJ1Y3QgaW50ZWxfZHAgKmludGVsX2RwKQo+ICt7Cj4gKwlzdHJ1Y3QgaW50ZWxf ZGlnaXRhbF9wb3J0ICppbnRlbF9kaWdfcG9ydCA9IGRwX3RvX2RpZ19wb3J0KGludGVsX2RwKTsK PiArCXN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdiA9Cj4gKwkJCXRvX2k5MTUoaW50 ZWxfZGlnX3BvcnQtPmJhc2UuYmFzZS5kZXYpOwo+ICsKPiArCWlmIChJTlRFTF9HRU4oZGV2X3By aXYpIDwgOSkKPiArCQlyZXR1cm4gdHJ1ZTsKPiArCj4gKwkvKiBTcGVjIHNheXMgdGhhdCBtdXRl eCBpcyBhY3F1aXJlZCB3aGVuIHN0YXR1cyBiaXQgaXMgcmVhZCBhcyB1bnNldCwKPiArCSAqIGhl cmUgd2FpdGluZyBmb3IgMm1zZWMoKy00IGF1eCB0cmFuc2FjdGlvbnMpIGJlZm9yZSBnaXZlIHVw Lgo+ICsJICovCj4gKwlpZiAoaW50ZWxfd2FpdF9mb3JfcmVnaXN0ZXIoZGV2X3ByaXYsIERQX0FV WF9DSF9NVVRFWChpbnRlbF9kcC0+YXV4X2NoKSwKPiArCQkJCSAgICBEUF9BVVhfQ0hfTVVURVhf U1RBVFVTLCAwLCAyKSkgewo+ICsJCURSTV9ERUJVR19LTVMoImF1eCBjaGFubmVsICVjIGxvY2tl ZCBmb3IgMm1zZWMsIHRpbWluZyBvdXRcbiIsCj4gKwkJCSAgICAgIGF1eF9jaF9uYW1lKGludGVs X2RwLT5hdXhfY2gpKTsKPiArCQlyZXR1cm4gZmFsc2U7Cj4gKwl9Cj4gKwo+ICsJcmV0dXJuIHRy dWU7Cj4gK30KPiArCj4gK3N0YXRpYyB2b2lkIGludGVsX2RwX2F1eF9jaF91bmxvY2soc3RydWN0 IGludGVsX2RwICppbnRlbF9kcCkKPiArewo+ICsJc3RydWN0IGludGVsX2RpZ2l0YWxfcG9ydCAq aW50ZWxfZGlnX3BvcnQgPSBkcF90b19kaWdfcG9ydChpbnRlbF9kcCk7Cj4gKwlzdHJ1Y3QgZHJt X2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYgPQo+ICsJCQl0b19pOTE1KGludGVsX2RpZ19wb3J0LT5i YXNlLmJhc2UuZGV2KTsKPiArCj4gKwlpZiAoSU5URUxfR0VOKGRldl9wcml2KSA8IDkpCj4gKwkJ cmV0dXJuOwo+ICsKPiArCS8qIHNldCB0aGUgc3RhdHVzIGJpdCByZWxlYXNlcyB0aGUgbXV0ZXgg KyBrZWVwaW5nIG11dGV4IGVuYWJsZWQgKi8KPiArCUk5MTVfV1JJVEUoRFBfQVVYX0NIX01VVEVY KGludGVsX2RwLT5hdXhfY2gpLAo+ICsJCSAgIERQX0FVWF9DSF9NVVRFWF9FTkFCTEUgfCBEUF9B VVhfQ0hfTVVURVhfU1RBVFVTKTsKPiArfQo+ICsKPiAgc3RhdGljIGludAo+ICBpbnRlbF9kcF9h dXhfY2goc3RydWN0IGludGVsX2RwICppbnRlbF9kcCwKPiAgCQljb25zdCB1aW50OF90ICpzZW5k LCBpbnQgc2VuZF9ieXRlcywKPiBAQCAtMTExOSw2ICsxMTU1LDExIEBAIGludGVsX2RwX2F1eF9j aChzdHJ1Y3QgaW50ZWxfZHAgKmludGVsX2RwLAo+ICAKPiAgCWludGVsX2RwX2NoZWNrX2VkcChp bnRlbF9kcCk7Cj4gIAo+ICsJaWYgKCFpbnRlbF9kcF9hdXhfY2hfdHJ5bG9jayhpbnRlbF9kcCkp IHsKPiArCQlyZXQgPSAtRUJVU1k7Cj4gKwkJZ290byBvdXRfbG9ja2VkOwoKb3V0XyJsb2NrZWQi IGNvbmZ1c2VkIG1lIGhlcmUuLi4KCm5vdCBzdXJlIGFib3V0IGEgYmV0dGVyIG5hbWUuLi4KCm1h eWJlIG91dF9hdXhfdW5sb2NrZWQgPyEgOi8KCj4gKwl9Cj4gKwo+ICAJLyogVHJ5IHRvIHdhaXQg Zm9yIGFueSBwcmV2aW91cyBBVVggY2hhbm5lbCBhY3Rpdml0eSAqLwo+ICAJZm9yICh0cnkgPSAw OyB0cnkgPCAzOyB0cnkrKykgewo+ICAJCXN0YXR1cyA9IEk5MTVfUkVBRF9OT1RSQUNFKGNoX2N0 bCk7Cj4gQEAgLTEyNDgsNiArMTI4OSw4IEBAIGludGVsX2RwX2F1eF9jaChzdHJ1Y3QgaW50ZWxf ZHAgKmludGVsX2RwLAo+ICAKPiAgCXJldCA9IHJlY3ZfYnl0ZXM7Cj4gIG91dDoKPiArCWludGVs X2RwX2F1eF9jaF91bmxvY2soaW50ZWxfZHApOwo+ICtvdXRfbG9ja2VkOgo+ICAJcG1fcW9zX3Vw ZGF0ZV9yZXF1ZXN0KCZkZXZfcHJpdi0+cG1fcW9zLCBQTV9RT1NfREVGQVVMVF9WQUxVRSk7Cj4g IAo+ICAJaWYgKHZkZCkKPiBAQCAtMTU0NCw2ICsxNTg3LDEwIEBAIGludGVsX2RwX2F1eF9pbml0 KHN0cnVjdCBpbnRlbF9kcCAqaW50ZWxfZHApCj4gIAllbHNlCj4gIAkJaW50ZWxfZHAtPmdldF9h dXhfc2VuZF9jdGwgPSBnNHhfZ2V0X2F1eF9zZW5kX2N0bDsKPiAgCj4gKwlpZiAoSU5URUxfR0VO KGRldl9wcml2KSA+PSA5KQo+ICsJCUk5MTVfV1JJVEUoRFBfQVVYX0NIX01VVEVYKGludGVsX2Rw LT5hdXhfY2gpLAo+ICsJCQkgICBEUF9BVVhfQ0hfTVVURVhfRU5BQkxFKTsKPiArCgpDb29sISBJ IGJlbGlldmUgd2UgYXJlIGluIGEgZ29vZCBzaGFwZSBub3cuLi4KCndpdGggcy9wb3J0L2F1eF9j aCBjb3JyZWN0ZWQgYW5kIHByZWZlcmFibHkgd2l0aCBhIGJldHRlciBnb3RvIG91dCBuYW1lOgoK UmV2aWV3ZWQtYnk6IFJvZHJpZ28gVml2aSA8cm9kcmlnby52aXZpQGludGVsLmNvbT4KCj4gIAlk cm1fZHBfYXV4X2luaXQoJmludGVsX2RwLT5hdXgpOwo+ICAKPiAgCS8qIEZhaWx1cmUgdG8gYWxs b2NhdGUgb3VyIHByZWZlcnJlZCBuYW1lIGlzIG5vdCBjcml0aWNhbCAqLwo+IC0tIAo+IDIuMTYu Mgo+IApfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRl bC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6 Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK