From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH] drm/i915/BXT: Tolerance at BXT DSI pipe_config comparison Date: Mon, 21 Mar 2016 15:43:09 +0200 Message-ID: <87egb4ymj6.fsf@intel.com> References: <1457701925-15890-1-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 mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTP id 1E4446E5C2 for ; Mon, 21 Mar 2016 13:43:12 +0000 (UTC) In-Reply-To: <1457701925-15890-1-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 Cc: daniel.vetter@intel.com List-Id: intel-gfx@lists.freedesktop.org T24gRnJpLCAxMSBNYXIgMjAxNiwgUmFtYWxpbmdhbSBDIDxyYW1hbGluZ2FtLmNAaW50ZWwuY29t PiB3cm90ZToKPiBBdCBCWFQgRFNJLCBQSVBFIHJlZ2lzdGVycyBhcmUgaW5hY3RpdmUuIFNvIHdl IGNhbiBnZXQgdGhlCj4gUElQRSdzIG1vZGUgcGFyYW1ldGVycyBmcm9tIHRoZW0uIFRoZSBwb3Nz aWJsZSBvcHRpb24gaXMKPiByZXRyaXZpbmcgdGhlbSBmcm9tIHRoZSBQT1JUIHJlZ2lzdGVycy4g QnV0IG1vZGUgdGltaW5nCj4gcGFyYW1ldGVycyBhcmUgcHJvZ2FtbWVkIHRvIHBvcnQgcmVnaXN0 ZXJzIGludGVybXMgb2YgYnl0ZWNsb2Nrcy4KPgo+IFRoZSBmb3JtdWxhIHVzZWQgdG8gY29udmVy dCB0aGUgcGl4ZWxzIGludGVybXMgb2YgYnl0ZWNsayBpcwo+IAlESVZfUk9VTkRfVVAoRElWX1JP VU5EX1VQKHBpeGVscyAqIGJwcCAqIGJ1cnN0X21vZGVfcmF0aW8sCj4gIAkJCQkJCTggKiAxMDAp LCBsYW5lX2NvdW50KTsKPgo+IFNvIHdlIHJldHJpZXZlIHRoZW0sIGludGVybXMgb2YgcGl4ZWxz IGFzCj4gCURJVl9ST1VORF9VUCgoY2xrX2hzICogbGFuZV9jb3VudCAqIDggKiAxMDApLAo+IAkJ CQkJKGJwcCAqIGJ1cnN0X21vZGVfcmF0aW8pKTsKPgo+IER1ZSB0byB0aGUgbXVsdGlwbGUgRElW X1JPVU5EX1VQIGluIGJvdGggZm9ybXVsYXMgd2UgZ2V0IHRoZSB3b3JzdAo+IGNhc2UgZGVsdGEg aW4gdGhlIHJldHJpZXZlZCBQSVBFJ3MgdGltaW5nIHBhcmFtZXRlciBhcyBiZWxvdwo+IAlESVZf Uk9VTkRfVVAoKDggKiBpbnRlbF9kc2ktPmxhbmVfY291bnQgKiAxMDApLAo+IAkJKGRzaV9waXhl bF9mb3JtYXRfYnBwKGludGVsX2RzaS0+cGl4ZWxfZm9ybWF0KSAqCj4gCQkJaW50ZWxfZHNpLT5i dXJzdF9tb2RlX3JhdGlvKSkpCj4KPiBUaGlzIGNvbnZlcnNvbiBvZiBieXRlY2xrIHRvIHBpeGVs IGlzIHJlcXVpcmVkIGZvciBoc3luYywgaGZwIGFuZCBoYnAuCj4gV2hpY2ggaW50ZXJuIGltcGFj dHMgaG9ycml6b250YWwgdGltaW5nIHBhcmFtZXRlcnMuIEF0IHdvcnN0IGNhc2UgdG8KPiBnZXQg aHRvdGFsIGFsbCB0aGVyZSBwYXJhbWV0ZXJzIGFyZSBhZGRlZCB3aXRoIGhhY3RpdmUuCj4gSGVu Y2UgZGVsdGEgd2lsbCBiZSAzIHRpbWVzIG9mIGFib3ZlIGZvcm11bGEuIEhlbmNlIHRoaXMgdmFs dWUgaXMKPiBjb25zaWRlcmVkIGFzIHRvbGVyYW5jZSBmb3IgcGlwZV9jb25maWcgY29tcGFyaXNv biwgaW4gY2FzZSBvZiBCWFQgRFNJLgoKSSB0aGluayB5b3Ugc2hvdWxkIHRha2UgdGhlIGVuY29k ZXIgc3BlY2lmaWMgY2FsbGJhY2sgcGFydHMgZnJvbSBbMV0sCmFuZCBpbnN0ZWFkIG9mIGFkZGlu ZyBhIG5ldyAtPmdldF9waXBlX2NvbmZpZyBob29rLCBkbyB0aGVtIGluCi0+Z2V0X2h3X3N0YXRl LCBhbmQgYWRkIHRoZSByZWJhc2VkIHdvcmsgZnJvbSB0aGlzIHBhdGNoIG9uIHRvcC4KCkJSLApK YW5pLgoKWzFdIGh0dHA6Ly9wYXRjaHdvcmsuZnJlZWRlc2t0b3Aub3JnL3BhdGNoL21zZ2lkLzE0 NTY3NzE3NjAtMTg4MjMtMS1naXQtc2VuZC1lbWFpbC1yYW1hbGluZ2FtLmNAaW50ZWwuY29tCgoK Pgo+IFNpZ25lZC1vZmYtYnk6IFJhbWFsaW5nYW0gQyA8cmFtYWxpbmdhbS5jQGludGVsLmNvbT4K Pgo+IFRoaXMgY2hhbmdlIGlzIHJlcXVpcmVkIGZvcgo+IGh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0 b3Aub3JnL2FyY2hpdmVzL2ludGVsLWdmeC8yMDE2LUZlYnJ1YXJ5LzA4ODY1My5odG1sCj4gLS0t Cj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rpc3BsYXkuYyB8ICAgNjIgKysrKysrKysr KysrKysrKysrKysrKysrKysrKysrKy0tLQo+ICAxIGZpbGUgY2hhbmdlZCwgNTcgaW5zZXJ0aW9u cygrKSwgNSBkZWxldGlvbnMoLSkKPgo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkx NS9pbnRlbF9kaXNwbGF5LmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kaXNwbGF5LmMK PiBpbmRleCA3MDY4ZGMxLi40NmNlNjYyIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9p OTE1L2ludGVsX2Rpc3BsYXkuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rp c3BsYXkuYwo+IEBAIC0xMjY1Myw2ICsxMjY1Myw5IEBAIGludGVsX3BpcGVfY29uZmlnX2NvbXBh cmUoc3RydWN0IGRybV9kZXZpY2UgKmRldiwKPiAgCQkJICBib29sIGFkanVzdCkKPiAgewo+ICAJ Ym9vbCByZXQgPSB0cnVlOwo+ICsJc3RydWN0IGludGVsX2NydGMgKmNydGMgPSB0b19pbnRlbF9j cnRjKGN1cnJlbnRfY29uZmlnLT5iYXNlLmNydGMpOwo+ICsJc3RydWN0IGludGVsX2VuY29kZXIg KmludGVsX2VuY29kZXI7Cj4gKwlzdHJ1Y3QgaW50ZWxfZHNpICppbnRlbF9kc2kgPSBOVUxMOwo+ ICAKPiAgI2RlZmluZSBJTlRFTF9FUlJfT1JfREJHX0tNUyhmbXQsIC4uLikgXAo+ICAJZG8geyBc Cj4gQEAgLTEyNjgwLDYgKzEyNjgzLDU0IEBAIGludGVsX3BpcGVfY29uZmlnX2NvbXBhcmUoc3Ry dWN0IGRybV9kZXZpY2UgKmRldiwKPiAgCQlyZXQgPSBmYWxzZTsgXAo+ICAJfQo+ICAKPiArLyoK PiArICogSW4gY2FzZSBvZiBCWFQgRFNJLCBIVyBwaXBlX2NvbmZpZyB3aWxsIGJlIHJldHJpZXZl ZCBmcm9tIHRoZSBwb3J0J3MgdGltaW5nCj4gKyAqIGNvbmZpZ3VyYXRpb24uIFRoaXMgcmV0cml2 YWwgaW5jbHVkZXMgc29tZSBlcnJvcnMgZHVlIHRvIHRoZSBESVZfUk9VTkRfVVAuCj4gKyAqIFNv IHdlIGFyZSBjb25zaWRlcmluZyB0aGUgbWF4IHBvc3NpYmxlIGVycm9yIGF0IHRoZSBjb21wYXJp c29uLgo+ICsgKi8KPiArLyoKPiArICogaHRvdGFsID0gaGFjdGl2ZSArIGhmcCArIGhzeW5jICsg aGJwLiBIZXJlIGxhc3QgdGhyZWUgbGVtZW50cyBtaWdodCBoYXZlCj4gKyAqIHRoZSBjb252ZXJz b24gZXJyb3IsIGhlbmNlIHdlIGNvbnNpZGVyIHRoZSAzIHRpbWVzIG9mIGVycm9yIGFzIHRvbGVy YW5jZS4KPiArICovCj4gKwo+ICsjZGVmaW5lIE1BWF9CWFRfRFNJX1RJTUlOR19SRVRSSVZBTF9F UlIgXAo+ICsJCShpbnRlbF9kc2kgPT0gTlVMTCA/IDAgOiBcCj4gKwkJRElWX1JPVU5EX1VQKCgz ICogOCAqIGludGVsX2RzaS0+bGFuZV9jb3VudCAqIDEwMCksIFwKPiArCQkoZHNpX3BpeGVsX2Zv cm1hdF9icHAoaW50ZWxfZHNpLT5waXhlbF9mb3JtYXQpICogXAo+ICsJCQlpbnRlbF9kc2ktPmJ1 cnN0X21vZGVfcmF0aW8pKSkKPiArCj4gKyNkZWZpbmUgQlhUX0RTSV9QSVBFX0NPTkZfQ0hFQ0tf SV9SQU5HRShuYW1lKSB7IFwKPiArCWZvcl9lYWNoX2VuY29kZXJfb25fY3J0YyhkZXYsICZjcnRj LT5iYXNlLCBcCj4gKwkJCQkJaW50ZWxfZW5jb2RlcikgeyBcCj4gKwkJaWYgKGludGVsX2VuY29k ZXItPnR5cGUgPT0gSU5URUxfT1VUUFVUX0RTSSkgeyBcCj4gKwkJCWludGVsX2RzaSA9IGVuY190 b19pbnRlbF9kc2koJmludGVsX2VuY29kZXItPmJhc2UpOyBcCj4gKwkJfSBcCj4gKwl9IFwKPiAr CWlmICghKGN1cnJlbnRfY29uZmlnLT5uYW1lIDwgcGlwZV9jb25maWctPm5hbWUgJiYgXAo+ICsJ CWN1cnJlbnRfY29uZmlnLT5uYW1lID49IChwaXBlX2NvbmZpZy0+bmFtZSAtIFwKPiArCQkJTUFY X0JYVF9EU0lfVElNSU5HX1JFVFJJVkFMX0VSUikpKSB7IFwKPiArCQlJTlRFTF9FUlJfT1JfREJH X0tNUygibWlzbWF0Y2ggaW4gIiAjbmFtZSAiICIgXAo+ICsJCSAgIihleHBlY3RlZCAlaSwgZm91 bmQgJWkoRXJyIHRvbGVyYW5jZSBjb25zaWRlcmVkKSlcbiIsIFwKPiArCQkgIGN1cnJlbnRfY29u ZmlnLT5uYW1lLCBcCj4gKwkJICBwaXBlX2NvbmZpZy0+bmFtZSk7IFwKPiArCQlyZXQgPSBmYWxz ZTsgXAo+ICsJfSBcCj4gK30KPiArCj4gKyNkZWZpbmUgUElQRV9DT05GX0NIRUNLX0lfUkFOR0Uo bmFtZSkgeyBcCj4gKwlpZiAoY3VycmVudF9jb25maWctPm5hbWUgIT0gcGlwZV9jb25maWctPm5h bWUpIHsgXAo+ICsJCWlmIChJU19CUk9YVE9OKGRldikgJiYgY3J0Yy0+Y29uZmlnLT5oYXNfZHNp X2VuY29kZXIpIHsgXAo+ICsJCQlCWFRfRFNJX1BJUEVfQ09ORl9DSEVDS19JX1JBTkdFKG5hbWUp IFwKPiArCQl9IGVsc2UgeyBcCj4gKwkJCUlOVEVMX0VSUl9PUl9EQkdfS01TKCJtaXNtYXRjaCBp biAiICNuYW1lICIgIiBcCj4gKwkJCSAgIihleHBlY3RlZCAlaSwgZm91bmQgJWkpXG4iLCBcCj4g KwkJCSAgY3VycmVudF9jb25maWctPm5hbWUsIFwKPiArCQkJICBwaXBlX2NvbmZpZy0+bmFtZSk7 IFwKPiArCQkJcmV0ID0gZmFsc2U7IFwKPiArCQl9IFwKPiArCX0gXAo+ICt9Cj4gKwo+ICAjZGVm aW5lIFBJUEVfQ09ORl9DSEVDS19NX04obmFtZSkgXAo+ICAJaWYgKCFpbnRlbF9jb21wYXJlX2xp bmtfbV9uKCZjdXJyZW50X2NvbmZpZy0+bmFtZSwgXAo+ICAJCQkJICAgICZwaXBlX2NvbmZpZy0+ bmFtZSxcCj4gQEAgLTEyNzg0LDExICsxMjgzNSwxMSBAQCBpbnRlbF9waXBlX2NvbmZpZ19jb21w YXJlKHN0cnVjdCBkcm1fZGV2aWNlICpkZXYsCj4gIAlQSVBFX0NPTkZfQ0hFQ0tfSShoYXNfZHNp X2VuY29kZXIpOwo+ICAKPiAgCVBJUEVfQ09ORl9DSEVDS19JKGJhc2UuYWRqdXN0ZWRfbW9kZS5j cnRjX2hkaXNwbGF5KTsKPiAtCVBJUEVfQ09ORl9DSEVDS19JKGJhc2UuYWRqdXN0ZWRfbW9kZS5j cnRjX2h0b3RhbCk7Cj4gLQlQSVBFX0NPTkZfQ0hFQ0tfSShiYXNlLmFkanVzdGVkX21vZGUuY3J0 Y19oYmxhbmtfc3RhcnQpOwo+IC0JUElQRV9DT05GX0NIRUNLX0koYmFzZS5hZGp1c3RlZF9tb2Rl LmNydGNfaGJsYW5rX2VuZCk7Cj4gLQlQSVBFX0NPTkZfQ0hFQ0tfSShiYXNlLmFkanVzdGVkX21v ZGUuY3J0Y19oc3luY19zdGFydCk7Cj4gLQlQSVBFX0NPTkZfQ0hFQ0tfSShiYXNlLmFkanVzdGVk X21vZGUuY3J0Y19oc3luY19lbmQpOwo+ICsJUElQRV9DT05GX0NIRUNLX0lfUkFOR0UoYmFzZS5h ZGp1c3RlZF9tb2RlLmNydGNfaHRvdGFsKTsKPiArCVBJUEVfQ09ORl9DSEVDS19JX1JBTkdFKGJh c2UuYWRqdXN0ZWRfbW9kZS5jcnRjX2hibGFua19zdGFydCk7Cj4gKwlQSVBFX0NPTkZfQ0hFQ0tf SV9SQU5HRShiYXNlLmFkanVzdGVkX21vZGUuY3J0Y19oYmxhbmtfZW5kKTsKPiArCVBJUEVfQ09O Rl9DSEVDS19JX1JBTkdFKGJhc2UuYWRqdXN0ZWRfbW9kZS5jcnRjX2hzeW5jX3N0YXJ0KTsKPiAr CVBJUEVfQ09ORl9DSEVDS19JX1JBTkdFKGJhc2UuYWRqdXN0ZWRfbW9kZS5jcnRjX2hzeW5jX2Vu ZCk7Cj4gIAo+ICAJUElQRV9DT05GX0NIRUNLX0koYmFzZS5hZGp1c3RlZF9tb2RlLmNydGNfdmRp c3BsYXkpOwo+ICAJUElQRV9DT05GX0NIRUNLX0koYmFzZS5hZGp1c3RlZF9tb2RlLmNydGNfdnRv dGFsKTsKPiBAQCAtMTI4NjYsNiArMTI5MTcsNyBAQCBpbnRlbF9waXBlX2NvbmZpZ19jb21wYXJl KHN0cnVjdCBkcm1fZGV2aWNlICpkZXYsCj4gIAo+ICAjdW5kZWYgUElQRV9DT05GX0NIRUNLX1gK PiAgI3VuZGVmIFBJUEVfQ09ORl9DSEVDS19JCj4gKyN1bmRlZiBQSVBFX0NPTkZfQ0hFQ0tfSV9S QU5HRQo+ICAjdW5kZWYgUElQRV9DT05GX0NIRUNLX0lfQUxUCj4gICN1bmRlZiBQSVBFX0NPTkZf Q0hFQ0tfRkxBR1MKPiAgI3VuZGVmIFBJUEVfQ09ORl9DSEVDS19DTE9DS19GVVpaWQoKLS0gCkph bmkgTmlrdWxhLCBJbnRlbCBPcGVuIFNvdXJjZSBUZWNobm9sb2d5IENlbnRlcgpfX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBs aXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVz a3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK