From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH 2/2] drm/i915/BXT: Get pipe conf from the port registers Date: Wed, 06 Apr 2016 14:45:43 +0300 Message-ID: <8737qzx8ns.fsf@intel.com> References: <56FBD48A.30103@intel.com> <1459345998-14148-1-git-send-email-ramalingam.c@intel.com> <1459345998-14148-2-git-send-email-ramalingam.c@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTP id B49E86E8D4 for ; Wed, 6 Apr 2016 11:45:45 +0000 (UTC) In-Reply-To: <1459345998-14148-2-git-send-email-ramalingam.c@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Ramalingam C , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gV2VkLCAzMCBNYXIgMjAxNiwgUmFtYWxpbmdhbSBDIDxyYW1hbGluZ2FtLmNAaW50ZWwuY29t PiB3cm90ZToKPiBBdCBCWFQgRFNJLCBQSVBFIHJlZ2lzdGVycyBhcmUgaW5hY3RpdmUuIFNvIHdl IGNhbid0IGdldCB0aGUKPiBQSVBFJ3MgbW9kZSBwYXJhbWV0ZXJzIGZyb20gdGhlbS4gVGhlIHBv c3NpYmxlIG9wdGlvbiBpcwo+IHJldHJpdmluZyB0aGVtIGZyb20gdGhlIFBPUlQgcmVnaXN0ZXJz Lgo+Cj4gVGhlIHJlcXVpcmVkIGNoYW5nZXMgYXJlIGFkZGVkIGZvciBCWFQgaW4gaW50ZWxfZHNp X2dldF9jb25maWcKPiAoZW5jb2Rlci0+Z2V0X2NvbmZpZykuCj4KPiB2MjogQWRkcmVzc2VkIHRo ZSBKYW5pJ3MgY29tbWVudHMKPiAgICAgLXJlbW92ZWQgdGhlIHJlZHVuZGFudCBjYWxsIHRvIGVu Y29kZXItPmdldF9jb25maWcKPiAgICAgLXJlYWQgYnBwIGZyb20gcG9ydCByZWdpc3Rlcgo+ICAg ICAtcmVtb3ZlZCByZXRyaXZhbCBvZiBzcmNfc2l6ZSBmcm9tIGVuY29kZXItPmdldF9jb25maWcK Pgo+IFNpZ25lZC1vZmYtYnk6IFJhbWFsaW5nYW0gQyA8cmFtYWxpbmdhbS5jQGludGVsLmNvbT4K PiBTaWduZWQtb2ZmLWJ5OiBVbWEgU2hhbmthciA8dW1hLnNoYW5rYXJAaW50ZWwuY29tPgo+IC0t LQo+IFByZXZpb3VzbHkgcmV2aWV3ZWQgYXQgaHR0cHM6Ly9wYXRjaHdvcmsuZnJlZWRlc2t0b3Au b3JnL3BhdGNoLzc1MzAxLwo+Cj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RzaS5jIHwg ICA5OSArKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKwo+ICAxIGZpbGUgY2hh bmdlZCwgOTkgaW5zZXJ0aW9ucygrKQo+Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9p OTE1L2ludGVsX2RzaS5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHNpLmMKPiBpbmRl eCAwZGU3NGUxLi4yMTE3MTg3IDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2lu dGVsX2RzaS5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHNpLmMKPiBAQCAt NDYsNiArNDYsMTEgQEAgc3RhdGljIGNvbnN0IHN0cnVjdCB7Cj4gIAl9LAo+ICB9Owo+ICAKPiAr ZW51bSBtaXBpX2RzaV9waXhlbF9mb3JtYXQgcmVnX3RvX3BpeGVsX2Zvcm1hdCh1MzIgZm10KQo+ ICt7Cj4gKwlyZXR1cm4gcGl4ZWxfZm9ybWF0X2Zyb21fdmJ0KGZtdCk7Cj4gK30KPiArCgpTZWUg cmVwbHkgdG8gcHJlY2VkaW5nIHBhdGNoLgoKPiAgc3RhdGljIHZvaWQgd2FpdF9mb3JfZHNpX2Zp Zm9fZW1wdHkoc3RydWN0IGludGVsX2RzaSAqaW50ZWxfZHNpLCBlbnVtIHBvcnQgcG9ydCkKPiAg ewo+ICAJc3RydWN0IGRybV9lbmNvZGVyICplbmNvZGVyID0gJmludGVsX2RzaS0+YmFzZS5iYXNl Owo+IEBAIC03NDAsMTQgKzc0NSwxMDggQEAgb3V0X3B1dF9wb3dlcjoKPiAgCXJldHVybiBhY3Rp dmU7Cj4gIH0KPiAgCj4gKy8qIHJldHVybiBwaXhlbHMgZXF1dmFsZW50IHRvIHR4Ynl0ZWNsa2hz ICovCj4gK3N0YXRpYyB1MTYgcGl4ZWxzX2Zyb21fdHhieXRlY2xraHModTE2IGNsa19ocywgaW50 IGJwcCwgaW50IGxhbmVfY291bnQsCj4gKwkJICAgICAgIHUxNiBidXJzdF9tb2RlX3JhdGlvKQo+ ICt7Cj4gKwlyZXR1cm4gRElWX1JPVU5EX1VQKChjbGtfaHMgKiBsYW5lX2NvdW50ICogOCAqIDEw MCksCj4gKwkJCQkJCShicHAgKiBidXJzdF9tb2RlX3JhdGlvKSk7Cj4gK30KPiArCj4gK3N0YXRp YyB2b2lkIGJ4dF9kc2lfZ2V0X3BpcGVfY29uZmlnKHN0cnVjdCBpbnRlbF9lbmNvZGVyICplbmNv ZGVyLAo+ICsJCQkJIHN0cnVjdCBpbnRlbF9jcnRjX3N0YXRlICpwaXBlX2NvbmZpZykKPiArewo+ ICsJc3RydWN0IGRybV9kZXZpY2UgKmRldiA9IGVuY29kZXItPmJhc2UuZGV2Owo+ICsJc3RydWN0 IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2ID0gZGV2LT5kZXZfcHJpdmF0ZTsKPiArCXN0cnVj dCBkcm1fZGlzcGxheV9tb2RlICphZGp1c3RlZF9tb2RlID0KPiArCQkJCQkmcGlwZV9jb25maWct PmJhc2UuYWRqdXN0ZWRfbW9kZTsKPiArCXN0cnVjdCBpbnRlbF9kc2kgKmludGVsX2RzaSA9IGVu Y190b19pbnRlbF9kc2koJmVuY29kZXItPmJhc2UpOwo+ICsJdW5zaWduZWQgaW50IGxhbmVfY291 bnQgPSBpbnRlbF9kc2ktPmxhbmVfY291bnQ7Cj4gKwl1bnNpZ25lZCBpbnQgYnBwLCBmbXQ7Cj4g KwllbnVtIHBvcnQgcG9ydDsKPiArCXUxNiBoYWN0aXZlLCBoZnAsIGhzeW5jLCBoYnAsIHZmcCwg dnN5bmMsIHZicDsKPiArCj4gKwkvKgo+ICsJICogQXRsZWFzdCBvbmUgcG9ydCBpcyBhY3RpdmUg YXMgZW5jb2Rlci0+Z2V0X2NvbmZpZyBjYWxsZWQgb25seSBpZgo+ICsJICogZW5jb2Rlci0+Z2V0 X2h3X3N0YXRlKCkgcmV0dXJucyB0cnVlLgo+ICsJICovCj4gKwlmb3JfZWFjaF9kc2lfcG9ydChw b3J0LCBpbnRlbF9kc2ktPnBvcnRzKSB7Cj4gKwkJaWYgKCEoSTkxNV9SRUFEKEJYVF9NSVBJX1BP UlRfQ1RSTChwb3J0KSkgJiBEUElfRU5BQkxFKSkKPiArCQkJY29udGludWU7Cj4gKwkJYnJlYWs7 CgpJbiBvdGhlciB3b3JkcywKCglpZiAoSTkxNV9SRUFEKEJYVF9NSVBJX1BPUlRfQ1RSTChwb3J0 KSkgJiBEUElfRU5BQkxFKQoJCWJyZWFrOwoKCj4gKwl9Cj4gKwo+ICsJZm10ID0gSTkxNV9SRUFE KE1JUElfRFNJX0ZVTkNfUFJHKHBvcnQpKSAmIFZJRF9NT0RFX0ZPUk1BVF9NQVNLOwo+ICsJcGlw ZV9jb25maWctPnBpcGVfYnBwID0gcmVnX3RvX3BpeGVsX2Zvcm1hdChmbXQpOwo+ICsKPiArCWJw cCA9IG1pcGlfZHNpX3BpeGVsX2Zvcm1hdF90b19icHAocGlwZV9jb25maWctPnBpcGVfYnBwKTsK PiArCj4gKwkvKiBJbiB0ZXJtcyBvZiBwaXhlbHMgKi8KPiArCWFkanVzdGVkX21vZGUtPmNydGNf aGRpc3BsYXkgPQo+ICsJCQkJSTkxNV9SRUFEKEJYVF9NSVBJX1RSQU5TX0hBQ1RJVkUocG9ydCkp Owo+ICsJYWRqdXN0ZWRfbW9kZS0+Y3J0Y192ZGlzcGxheSA9Cj4gKwkJCQlJOTE1X1JFQUQoQlhU X01JUElfVFJBTlNfVkFDVElWRShwb3J0KSk7Cj4gKwlhZGp1c3RlZF9tb2RlLT5jcnRjX3Z0b3Rh bCA9Cj4gKwkJCQlJOTE1X1JFQUQoQlhUX01JUElfVFJBTlNfVlRPVEFMKHBvcnQpKTsKPiArCj4g KwloYWN0aXZlID0gYWRqdXN0ZWRfbW9kZS0+Y3J0Y19oZGlzcGxheTsKPiArCWhmcCA9IEk5MTVf UkVBRChNSVBJX0hGUF9DT1VOVChwb3J0KSk7Cj4gKwo+ICsJLyoKPiArCSAqIG1lYW5pbmdmdWwg Zm9yIHZpZGVvIG1vZGUgbm9uLWJ1cnN0IHN5bmMgcHVsc2UgbW9kZSBvbmx5LAo+ICsJICogY2Fu IGJlIHplcm8gZm9yIG5vbi1idXJzdCBzeW5jIGV2ZW50cyBhbmQgYnVyc3QgbW9kZXMKPiArCSAq Lwo+ICsJaHN5bmMgPSBJOTE1X1JFQUQoTUlQSV9IU1lOQ19QQURESU5HX0NPVU5UKHBvcnQpKTsK PiArCWhicCA9IEk5MTVfUkVBRChNSVBJX0hCUF9DT1VOVChwb3J0KSk7Cj4gKwo+ICsJLyogaG9y aXpvbnRhbCB2YWx1ZXMgYXJlIGluIHRlcm1zIG9mIGhpZ2ggc3BlZWQgYnl0ZSBjbG9jayAqLwo+ ICsJaGZwID0gcGl4ZWxzX2Zyb21fdHhieXRlY2xraHMoaGZwLCBicHAsIGxhbmVfY291bnQsCj4g KwkJCQkJaW50ZWxfZHNpLT5idXJzdF9tb2RlX3JhdGlvKTsKPiArCWhzeW5jID0gcGl4ZWxzX2Zy b21fdHhieXRlY2xraHMoaHN5bmMsIGJwcCwgbGFuZV9jb3VudCwKPiArCQkJCQlpbnRlbF9kc2kt PmJ1cnN0X21vZGVfcmF0aW8pOwo+ICsJaGJwID0gcGl4ZWxzX2Zyb21fdHhieXRlY2xraHMoaGJw LCBicHAsIGxhbmVfY291bnQsCj4gKwkJCQkJaW50ZWxfZHNpLT5idXJzdF9tb2RlX3JhdGlvKTsK PiArCj4gKwlpZiAoaW50ZWxfZHNpLT5kdWFsX2xpbmspIHsKPiArCQloZnAgKj0gMjsKPiArCQlo c3luYyAqPSAyOwo+ICsJCWhicCAqPSAyOwo+ICsJfQo+ICsKPiArCS8qIHZlcnRpY2FsIHZhbHVl cyBhcmUgaW4gdGVybXMgb2YgbGluZXMgKi8KPiArCXZmcCA9IEk5MTVfUkVBRChNSVBJX1ZGUF9D T1VOVChwb3J0KSk7Cj4gKwl2c3luYyA9IEk5MTVfUkVBRChNSVBJX1ZTWU5DX1BBRERJTkdfQ09V TlQocG9ydCkpOwo+ICsJdmJwID0gSTkxNV9SRUFEKE1JUElfVkJQX0NPVU5UKHBvcnQpKTsKPiAr Cj4gKwlhZGp1c3RlZF9tb2RlLT5jcnRjX2h0b3RhbCA9IGhhY3RpdmUgKyBoZnAgKyBoc3luYyAr IGhicDsKPiArCWFkanVzdGVkX21vZGUtPmNydGNfaHN5bmNfc3RhcnQgPQo+ICsJCQkJaGZwICsg YWRqdXN0ZWRfbW9kZS0+Y3J0Y19oZGlzcGxheTsKPiArCWFkanVzdGVkX21vZGUtPmNydGNfaHN5 bmNfZW5kID0KPiArCQkJCWhzeW5jICsgYWRqdXN0ZWRfbW9kZS0+Y3J0Y19oc3luY19zdGFydDsK PiArCWFkanVzdGVkX21vZGUtPmNydGNfaGJsYW5rX3N0YXJ0ID0gYWRqdXN0ZWRfbW9kZS0+Y3J0 Y19oZGlzcGxheTsKPiArCWFkanVzdGVkX21vZGUtPmNydGNfaGJsYW5rX2VuZCA9IGFkanVzdGVk X21vZGUtPmNydGNfaHRvdGFsOwo+ICsKPiArCWFkanVzdGVkX21vZGUtPmNydGNfdnN5bmNfc3Rh cnQgPQo+ICsJCQkJdmZwICsgYWRqdXN0ZWRfbW9kZS0+Y3J0Y192ZGlzcGxheTsKPiArCWFkanVz dGVkX21vZGUtPmNydGNfdnN5bmNfZW5kID0KPiArCQkJCXZzeW5jICsgYWRqdXN0ZWRfbW9kZS0+ Y3J0Y192c3luY19zdGFydDsKPiArCWFkanVzdGVkX21vZGUtPmNydGNfdmJsYW5rX3N0YXJ0ID0g YWRqdXN0ZWRfbW9kZS0+Y3J0Y192ZGlzcGxheTsKPiArCWFkanVzdGVkX21vZGUtPmNydGNfdmJs YW5rX2VuZCA9IGFkanVzdGVkX21vZGUtPmNydGNfdnRvdGFsOwoKQXMgSSBzdWdnZXN0ZWQgb24g SVJDLCB0byBtYWtlIHByb2dyZXNzIHBsZWFzZSBrZWVwIGV2ZXJ5dGhpbmcgdGhhdCB3ZQpjYW4g Y2FsY3VsYXRlIGFjY3VyYXRlbHkgKGFuZCBoZW5jZSBnZXQgbm8gd2FybmluZ3MgYWJvdXQgdGhl IGRpZmYgZm9yCnRoZW0pIGFuZCBsZWF2ZSBvdXQgYWxsIHRoYXQgaXMgbm90IGFjY3VyYXRlLgoK V2UgbmVlZCB0byBnZXQgYmFjayB0byB0aGVtIHRvbywgYnV0IGN1cnJlbnRseSB0aGVyZSBzZWVt cyB0byBiZQpkaXNhZ3JlZW1lbnQgb24gd2hhdCBpcyB0aGUgYmVzdC9mZWFzaWJsZS9wb3NzaWJs ZSBvcHRpb24uCgpCUiwKSmFuaS4KCgo+ICt9Cj4gKwo+ICsKPiAgc3RhdGljIHZvaWQgaW50ZWxf ZHNpX2dldF9jb25maWcoc3RydWN0IGludGVsX2VuY29kZXIgKmVuY29kZXIsCj4gIAkJCQkgc3Ry dWN0IGludGVsX2NydGNfc3RhdGUgKnBpcGVfY29uZmlnKQo+ICB7Cj4gKwlzdHJ1Y3QgZHJtX2Rl dmljZSAqZGV2ID0gZW5jb2Rlci0+YmFzZS5kZXY7Cj4gIAl1MzIgcGNsazsKPiAgCURSTV9ERUJV R19LTVMoIlxuIik7Cj4gIAo+ICAJcGlwZV9jb25maWctPmhhc19kc2lfZW5jb2RlciA9IHRydWU7 Cj4gIAo+ICsJaWYgKElTX0JST1hUT04oZGV2KSkKPiArCQlieHRfZHNpX2dldF9waXBlX2NvbmZp ZyhlbmNvZGVyLCBwaXBlX2NvbmZpZyk7Cj4gKwo+ICAJLyoKPiAgCSAqIERQTExfTUQgaXMgbm90 IHVzZWQgaW4gY2FzZSBvZiBEU0ksIHJlYWRpbmcgd2lsbCBnZXQgc29tZSBkZWZhdWx0IHZhbHVl Cj4gIAkgKiBzZXQgZHBsbF9tZCA9IDAKCi0tIApKYW5pIE5pa3VsYSwgSW50ZWwgT3BlbiBTb3Vy Y2UgVGVjaG5vbG9neSBDZW50ZXIKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRl c2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8v aW50ZWwtZ2Z4Cg==