From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH 2/2] drm/i915/BXT: Tolerance at BXT DSI pipe_config comparison Date: Wed, 30 Mar 2016 14:03:45 +0300 Message-ID: <874mbo2pny.fsf@intel.com> References: <1459272891-6830-1-git-send-email-ramalingam.c@intel.com> <1459272891-6830-2-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 mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTP id D48096E1E5 for ; Wed, 30 Mar 2016 11:03:56 +0000 (UTC) In-Reply-To: <1459272891-6830-2-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 T24gVHVlLCAyOSBNYXIgMjAxNiwgUmFtYWxpbmdhbSBDIDxyYW1hbGluZ2FtLmNAaW50ZWwuY29t PiB3cm90ZToKPiBBdCBCWFQgRFNJLCBQSVBFIHJlZ2lzdGVycyBhcmUgaW5hY3RpdmUuIFNvIHdl IGNhbid0IGdldCB0aGUKPiBQSVBFJ3MgbW9kZSBwYXJhbWV0ZXJzIGZyb20gdGhlbS4gVGhlIHBv c3NpYmxlIG9wdGlvbiBpcwo+IHJldHJpdmluZyB0aGVtIGZyb20gdGhlIFBPUlQgcmVnaXN0ZXJz LiBCdXQgbW9kZSB0aW1pbmcKPiBwYXJhbWV0ZXJzIGFyZSBwcm9nYW1tZWQgdG8gcG9ydCByZWdp c3RlcnMgaW50ZXJtcyBvZiBieXRlY2xvY2tzLgo+Cj4gVGhlIGZvcm11bGEgdXNlZCB0byBjb252 ZXJ0IHRoZSBwaXhlbHMgaW50ZXJtcyBvZiBieXRlY2xrIGlzCj4gCURJVl9ST1VORF9VUChESVZf Uk9VTkRfVVAocGl4ZWxzICogYnBwICogYnVyc3RfbW9kZV9yYXRpbywKPiAgCQkJCQkJOCAqIDEw MCksIGxhbmVfY291bnQpOwo+Cj4gU28gd2UgcmV0cmlldmUgdGhlbSwgaW50ZXJtcyBvZiBwaXhl bHMgYXMKPiAJRElWX1JPVU5EX1VQKChjbGtfaHMgKiBsYW5lX2NvdW50ICogOCAqIDEwMCksCj4g CQkJCQkoYnBwICogYnVyc3RfbW9kZV9yYXRpbykpOwo+Cj4gRHVlIHRvIHRoZSBtdWx0aXBsZSBE SVZfUk9VTkRfVVAgaW4gYm90aCBmb3JtdWxhcyB3ZSBnZXQgdGhlIHdvcnN0Cj4gY2FzZSBkZWx0 YSBpbiB0aGUgcmV0cmlldmVkIFBJUEUncyB0aW1pbmcgcGFyYW1ldGVyIGFzIGJlbG93Cj4gCURJ Vl9ST1VORF9VUCgoOCAqIGludGVsX2RzaS0+bGFuZV9jb3VudCAqIDEwMCksCj4gCQkoZHNpX3Bp eGVsX2Zvcm1hdF9icHAoaW50ZWxfZHNpLT5waXhlbF9mb3JtYXQpICoKPiAJCQlpbnRlbF9kc2kt PmJ1cnN0X21vZGVfcmF0aW8pKSkKPgo+IFRoaXMgY29udmVyc29uIG9mIGJ5dGVjbGsgdG8gcGl4 ZWwgaXMgcmVxdWlyZWQgZm9yIGhzeW5jLCBoZnAgYW5kIGhicC4KPiBXaGljaCBpbnRlcm4gaW1w YWN0cyBob3JyaXpvbnRhbCB0aW1pbmcgcGFyYW1ldGVycy4gQXQgd29yc3QgY2FzZSB0bwo+IGdl dCBodG90YWwgYWxsIHRoZXJlIHBhcmFtZXRlcnMgYXJlIGFkZGVkIHdpdGggaGFjdGl2ZS4KPiBI ZW5jZSBkZWx0YSB3aWxsIGJlIDMgdGltZXMgb2YgYWJvdmUgZm9ybXVsYS4gSGVuY2UgdGhpcyB2 YWx1ZSBpcwo+IGNvbnNpZGVyZWQgYXMgdG9sZXJhbmNlIGZvciBwaXBlX2NvbmZpZyBjb21wYXJp c29uLCBpbiBjYXNlIG9mIEJYVCBEU0kuCj4KPiBTaWduZWQtb2ZmLWJ5OiBSYW1hbGluZ2FtIEMg PHJhbWFsaW5nYW0uY0BpbnRlbC5jb20+Cj4gLS0tCj4gUmV2aWV3ZWQgYXQgaHR0cHM6Ly9saXN0 cy5mcmVlZGVza3RvcC5vcmcvYXJjaGl2ZXMvaW50ZWwtZ2Z4LzIwMTYtTWFyY2gvMDg5NTQ4Lmh0 bWwKPgo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kaXNwbGF5LmMgfCAgIDYyICsrKysr KysrKysrKysrKysrKysrKysrKysrKysrKystLS0KPiAgMSBmaWxlIGNoYW5nZWQsIDU3IGluc2Vy dGlvbnMoKyksIDUgZGVsZXRpb25zKC0pCj4KPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJt L2k5MTUvaW50ZWxfZGlzcGxheS5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZGlzcGxh eS5jCj4gaW5kZXggYzA2MjdkNi4uMjgyZjAzNiAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9k cm0vaTkxNS9pbnRlbF9kaXNwbGF5LmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRl bF9kaXNwbGF5LmMKPiBAQCAtMTI1NTcsNiArMTI1NTcsOSBAQCBpbnRlbF9waXBlX2NvbmZpZ19j b21wYXJlKHN0cnVjdCBkcm1fZGV2aWNlICpkZXYsCj4gIAkJCSAgYm9vbCBhZGp1c3QpCj4gIHsK PiAgCWJvb2wgcmV0ID0gdHJ1ZTsKPiArCXN0cnVjdCBpbnRlbF9jcnRjICpjcnRjID0gdG9faW50 ZWxfY3J0YyhjdXJyZW50X2NvbmZpZy0+YmFzZS5jcnRjKTsKPiArCXN0cnVjdCBpbnRlbF9lbmNv ZGVyICppbnRlbF9lbmNvZGVyOwo+ICsJc3RydWN0IGludGVsX2RzaSAqaW50ZWxfZHNpID0gTlVM TDsKPiAgCj4gICNkZWZpbmUgSU5URUxfRVJSX09SX0RCR19LTVMoZm10LCAuLi4pIFwKPiAgCWRv IHsgXAo+IEBAIC0xMjU5Myw2ICsxMjU5Niw1NCBAQCBpbnRlbF9waXBlX2NvbmZpZ19jb21wYXJl KHN0cnVjdCBkcm1fZGV2aWNlICpkZXYsCj4gIAkJcmV0ID0gZmFsc2U7IFwKPiAgCX0KPiAgCj4g Ky8qCj4gKyAqIEluIGNhc2Ugb2YgQlhUIERTSSwgSFcgcGlwZV9jb25maWcgd2lsbCBiZSByZXRy aWV2ZWQgZnJvbSB0aGUgcG9ydCdzIHRpbWluZwo+ICsgKiBjb25maWd1cmF0aW9uLiBUaGlzIHJl dHJpdmFsIGluY2x1ZGVzIHNvbWUgZXJyb3JzIGR1ZSB0byB0aGUgRElWX1JPVU5EX1VQLgo+ICsg KiBTbyB3ZSBhcmUgY29uc2lkZXJpbmcgdGhlIG1heCBwb3NzaWJsZSBlcnJvciBhdCB0aGUgY29t cGFyaXNvbi4KPiArICovCj4gKy8qCj4gKyAqIGh0b3RhbCA9IGhhY3RpdmUgKyBoZnAgKyBoc3lu YyArIGhicC4gSGVyZSBsYXN0IHRocmVlIGxlbWVudHMgbWlnaHQgaGF2ZQo+ICsgKiB0aGUgY29u dmVyc29uIGVycm9yLCBoZW5jZSB3ZSBjb25zaWRlciB0aGUgMyB0aW1lcyBvZiBlcnJvciBhcyB0 b2xlcmFuY2UuCj4gKyAqLwo+ICsKPiArI2RlZmluZSBNQVhfQlhUX0RTSV9USU1JTkdfUkVUUklW QUxfRVJSIFwKPiArCQkoaW50ZWxfZHNpID09IE5VTEwgPyAwIDogXAo+ICsJCURJVl9ST1VORF9V UCgoMyAqIDggKiBpbnRlbF9kc2ktPmxhbmVfY291bnQgKiAxMDApLCBcCj4gKwkJKGRzaV9waXhl bF9mb3JtYXRfYnBwKGludGVsX2RzaS0+cGl4ZWxfZm9ybWF0KSAqIFwKPiArCQkJaW50ZWxfZHNp LT5idXJzdF9tb2RlX3JhdGlvKSkpCj4gKwo+ICsjZGVmaW5lIEJYVF9EU0lfUElQRV9DT05GX0NI RUNLX0lfUkFOR0UobmFtZSkgeyBcCj4gKwlmb3JfZWFjaF9lbmNvZGVyX29uX2NydGMoZGV2LCAm Y3J0Yy0+YmFzZSwgXAo+ICsJCQkJCWludGVsX2VuY29kZXIpIHsgXAo+ICsJCWlmIChpbnRlbF9l bmNvZGVyLT50eXBlID09IElOVEVMX09VVFBVVF9EU0kpIHsgXAo+ICsJCQlpbnRlbF9kc2kgPSBl bmNfdG9faW50ZWxfZHNpKCZpbnRlbF9lbmNvZGVyLT5iYXNlKTsgXAo+ICsJCX0gXAo+ICsJfSBc Cj4gKwlpZiAoIShjdXJyZW50X2NvbmZpZy0+bmFtZSA8IHBpcGVfY29uZmlnLT5uYW1lICYmIFwK PiArCQljdXJyZW50X2NvbmZpZy0+bmFtZSA+PSAocGlwZV9jb25maWctPm5hbWUgLSBcCj4gKwkJ CU1BWF9CWFRfRFNJX1RJTUlOR19SRVRSSVZBTF9FUlIpKSkgeyBcCj4gKwkJSU5URUxfRVJSX09S X0RCR19LTVMoIm1pc21hdGNoIGluICIgI25hbWUgIiAiIFwKPiArCQkgICIoZXhwZWN0ZWQgJWks IGZvdW5kICVpKEVyciB0b2xlcmFuY2UgY29uc2lkZXJlZCkpXG4iLCBcCj4gKwkJICBjdXJyZW50 X2NvbmZpZy0+bmFtZSwgXAo+ICsJCSAgcGlwZV9jb25maWctPm5hbWUpOyBcCj4gKwkJcmV0ID0g ZmFsc2U7IFwKPiArCX0gXAo+ICt9Cj4gKwo+ICsjZGVmaW5lIFBJUEVfQ09ORl9DSEVDS19JX1JB TkdFKG5hbWUpIHsgXAo+ICsJaWYgKGN1cnJlbnRfY29uZmlnLT5uYW1lICE9IHBpcGVfY29uZmln LT5uYW1lKSB7IFwKPiArCQlpZiAoSVNfQlJPWFRPTihkZXYpICYmIGNydGMtPmNvbmZpZy0+aGFz X2RzaV9lbmNvZGVyKSB7IFwKClBsZWFzZSBkcm9wIHRoZSBwbGF0Zm9ybSBhbmQgZW5jb2RlciB0 eXBlIGNoZWNrcyBoZXJlLCBhbmQgbW92ZSB0aGVtIHRvCmEgaGlnaGVyIGxldmVsLgoKPiArCQkJ QlhUX0RTSV9QSVBFX0NPTkZfQ0hFQ0tfSV9SQU5HRShuYW1lKSBcCj4gKwkJfSBlbHNlIHsgXAo+ ICsJCQlJTlRFTF9FUlJfT1JfREJHX0tNUygibWlzbWF0Y2ggaW4gIiAjbmFtZSAiICIgXAo+ICsJ CQkgICIoZXhwZWN0ZWQgJWksIGZvdW5kICVpKVxuIiwgXAo+ICsJCQkgIGN1cnJlbnRfY29uZmln LT5uYW1lLCBcCj4gKwkJCSAgcGlwZV9jb25maWctPm5hbWUpOyBcCj4gKwkJCXJldCA9IGZhbHNl OyBcCj4gKwkJfSBcCj4gKwl9IFwKPiArfQoKSSB0aGluayB5b3Ugc2hvdWxkIG1vZGVsIHRoaXMg YWZ0ZXIgUElQRV9DT05GX0NIRUNLX0NMT0NLX0ZVWlpZLiBQbGVhc2UKYWRkIGEgZnVuY3Rpb24g dG8gZG8gdGhlIGNoZWNrLCBzaW1pbGFyIHRvIGludGVsX2Z1enp5X2Nsb2NrX2NoZWNrKCksCmFu ZCB0aGlzIHdpbGwgYmUgbXVjaCBlYXNpZXIgdG8gcmVhZCBhbmQgdW5kZXJzdGFuZC4KCk1heWJl IGNhbGwgdGhlIG1hY3JvIFBJUEVfQ09ORl9DSEVDS19EU0lfVElNSU5HX0ZVWlpZIG9yIHNvbWV0 aGluZywKc2luY2UgSSBndWVzcyBpdCBoYXMgdG8gYmUgZW5jb2RlciBzcGVjaWZpYy4KCj4gKwo+ ICAjZGVmaW5lIFBJUEVfQ09ORl9DSEVDS19NX04obmFtZSkgXAo+ICAJaWYgKCFpbnRlbF9jb21w YXJlX2xpbmtfbV9uKCZjdXJyZW50X2NvbmZpZy0+bmFtZSwgXAo+ICAJCQkJICAgICZwaXBlX2Nv bmZpZy0+bmFtZSxcCj4gQEAgLTEyNjk3LDExICsxMjc0OCwxMSBAQCBpbnRlbF9waXBlX2NvbmZp Z19jb21wYXJlKHN0cnVjdCBkcm1fZGV2aWNlICpkZXYsCj4gIAlQSVBFX0NPTkZfQ0hFQ0tfSSho YXNfZHNpX2VuY29kZXIpOwo+ICAKPiAgCVBJUEVfQ09ORl9DSEVDS19JKGJhc2UuYWRqdXN0ZWRf bW9kZS5jcnRjX2hkaXNwbGF5KTsKPiAtCVBJUEVfQ09ORl9DSEVDS19JKGJhc2UuYWRqdXN0ZWRf bW9kZS5jcnRjX2h0b3RhbCk7Cj4gLQlQSVBFX0NPTkZfQ0hFQ0tfSShiYXNlLmFkanVzdGVkX21v ZGUuY3J0Y19oYmxhbmtfc3RhcnQpOwo+IC0JUElQRV9DT05GX0NIRUNLX0koYmFzZS5hZGp1c3Rl ZF9tb2RlLmNydGNfaGJsYW5rX2VuZCk7Cj4gLQlQSVBFX0NPTkZfQ0hFQ0tfSShiYXNlLmFkanVz dGVkX21vZGUuY3J0Y19oc3luY19zdGFydCk7Cj4gLQlQSVBFX0NPTkZfQ0hFQ0tfSShiYXNlLmFk anVzdGVkX21vZGUuY3J0Y19oc3luY19lbmQpOwo+ICsJUElQRV9DT05GX0NIRUNLX0lfUkFOR0Uo YmFzZS5hZGp1c3RlZF9tb2RlLmNydGNfaHRvdGFsKTsKPiArCVBJUEVfQ09ORl9DSEVDS19JX1JB TkdFKGJhc2UuYWRqdXN0ZWRfbW9kZS5jcnRjX2hibGFua19zdGFydCk7Cj4gKwlQSVBFX0NPTkZf Q0hFQ0tfSV9SQU5HRShiYXNlLmFkanVzdGVkX21vZGUuY3J0Y19oYmxhbmtfZW5kKTsKPiArCVBJ UEVfQ09ORl9DSEVDS19JX1JBTkdFKGJhc2UuYWRqdXN0ZWRfbW9kZS5jcnRjX2hzeW5jX3N0YXJ0 KTsKPiArCVBJUEVfQ09ORl9DSEVDS19JX1JBTkdFKGJhc2UuYWRqdXN0ZWRfbW9kZS5jcnRjX2hz eW5jX2VuZCk7CgpQbGVhc2UgYWRkIHRoZSBwbGF0Zm9ybSBhbmQgZW5jb2RlciB0eXBlIGNoZWNr cyBhdCB0aGlzIGxldmVsIGZvcgpjbGFyaXR5IChhbmQgYXMgSSBzdWdnZXN0ZWQgdG8gZHJvcCB0 aGUgY2hlY2tzIGZyb20gdGhlIG1hY3JvIGl0c2VsZikuCgoJaWYgKElTX0JST1hUT04oZGV2X3By aXYpICYmIGNydGMtPmNvbmZpZy0+aGFzX2RzaV9lbmNvZGVyKSB7CiAgICAgICAgCS4uLgogICAg ICAgIH0gZWxzZSB7CiAgICAgICAgCS4uLgogICAgICAgIH0KCkJSLApKYW5pLgoKCgo+ICAKPiAg CVBJUEVfQ09ORl9DSEVDS19JKGJhc2UuYWRqdXN0ZWRfbW9kZS5jcnRjX3ZkaXNwbGF5KTsKPiAg CVBJUEVfQ09ORl9DSEVDS19JKGJhc2UuYWRqdXN0ZWRfbW9kZS5jcnRjX3Z0b3RhbCk7Cj4gQEAg LTEyNzc5LDYgKzEyODMwLDcgQEAgaW50ZWxfcGlwZV9jb25maWdfY29tcGFyZShzdHJ1Y3QgZHJt X2RldmljZSAqZGV2LAo+ICAKPiAgI3VuZGVmIFBJUEVfQ09ORl9DSEVDS19YCj4gICN1bmRlZiBQ SVBFX0NPTkZfQ0hFQ0tfSQo+ICsjdW5kZWYgUElQRV9DT05GX0NIRUNLX0lfUkFOR0UKPiAgI3Vu ZGVmIFBJUEVfQ09ORl9DSEVDS19QCj4gICN1bmRlZiBQSVBFX0NPTkZfQ0hFQ0tfSV9BTFQKPiAg I3VuZGVmIFBJUEVfQ09ORl9DSEVDS19GTEFHUwoKLS0gCkphbmkgTmlrdWxhLCBJbnRlbCBPcGVu IFNvdXJjZSBUZWNobm9sb2d5IENlbnRlcgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5m cmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0 aW5mby9pbnRlbC1nZngK