From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH 3/4] drm/i915: Remove the broken DP CRC support for g4x Date: Fri, 15 Feb 2019 14:47:29 +0200 Message-ID: <20190215124729.GQ20097@intel.com> References: <20190214192219.3858-1-ville.syrjala@linux.intel.com> <20190214192219.3858-3-ville.syrjala@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1FA866E09E for ; Fri, 15 Feb 2019 12:47:33 +0000 (UTC) Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Dhinakaran Pandiyan Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gVGh1LCBGZWIgMTQsIDIwMTkgYXQgMDY6MjY6MjlQTSAtMDgwMCwgRGhpbmFrYXJhbiBQYW5k aXlhbiB3cm90ZToKPiBPbiBUaHUsIDIwMTktMDItMTQgYXQgMjE6MjIgKzAyMDAsIFZpbGxlIFN5 cmphbGEgd3JvdGU6Cj4gPiBGcm9tOiBWaWxsZSBTeXJqw6Rsw6QgPHZpbGxlLnN5cmphbGFAbGlu dXguaW50ZWwuY29tPgo+ID4gCj4gPiBEUCBDUkNzIGRvbid0IHJlYWxseSB3b3JrIG9uIGc0eC4g SWYgeW91IHdhbnQgYW55IENSQ3Mgb24gRFAgeW91IG11c3QKPiA+IHNlbGVjdCB0aGUgQ1JDIHNv dXJjZSBiZWZvcmUgdGhlIHBvcnQgaXMgZW5hYmxlZCwgb3RoZXJ3aXNlIHRoZSBDUkMKPiA+IHNv dXJjZSBzZWxlY3QgYml0cyBzaW1wbHkgaWdub3JlIGFueSB3cml0ZXMgdG8gdGhlbS4gQW5kIG9u Y2UgdGhlCj4gPiBwb3J0Cj4gPiBpcyBlbmFibGVkIHdlIG11c3RuJ3QgY2hhbmdlIHRoZSBDUkMg c291cmNlIHNlbGVjdCB1bnRpbCB0aGUgcG9ydCBpcwo+ID4gZGlzYWJsZWQuIFRoYXQgYWxtb3N0 IHdvcmtzLCBidXQgbm90IHF1aXRlIDooIEV2ZW50dWFsbHkgdGhlIENSQwo+ID4gc291cmNlCj4g PiBzZWxlY3QgYml0cyBnZXQgcGVybWFuZW50bHkgc3R1Y2sgb25lIHdheSBvciB0aGUgb3RoZXIs IGFuZCBhZnRlcgo+ID4gdGhhdAo+ID4gYSByZWJvb3QgKG9yIHBvc3NpYmx5IGEgZGlzcGxheSBy ZXNldCkgaXMgbmVlZGVkIHRvIGdldCB3b3JraW5nIENSQ3MKPiA+IG9uIHRoYXQgcGlwZSAobm90 IG1hdHRlciB3aGljaCBDUkMgc291cmNlIHdlIHRyeSB0byB1c2UpLgo+ID4gCj4gPiBBZGRpdGlv bmFsbHkgdGhlIERGVCBzY3JhbWJsZXIgcmVzZXQgYml0cyB3ZSdyZSB0cnlpbmcgdG8gdXNlIGRv bid0Cj4gPiBzZWVtIHRvIGV4aXN0IG9uIGc0eC4gVGhlcmUgYXJlIHNvbWUgcG90ZW50aWFsbHkg cmVsZXZhbnQgbG9va2luZwo+ID4gYml0cwo+ID4gaW4gdGhlIHBpcGUgcmVnaXN0ZXJzLCBidXQg d2hlbiBJIHRyaWVkIGl0IEkgZ290IHN0YWJsZSBsb29raW5nIENSQ3MKPiA+IHdpdGhvdXQgc2V0 dGluZyBhbnkgYml0cyBmb3IgdGhpcy4KPiA+IAo+ID4gSWYgdGhlcmUgaXMgYSB3YXkgdG8gbWFr ZSBEUCBDUkNzIHdvcmsgcmVsaWFibHkgb24gZzR4LCBJIHdhc24ndAo+ID4gYWJsZSB0byBmaW5k IGl0LiBTbyBsZXQncyBqdXN0IHJlbW92ZSB0aGUgYnJva2VuIGNvZGUgd2UgaGF2ZS4KPiAKPiAK PiBJIHRoaW5rIHdlIGNhbiBtb2RpZnkgaTl4eF9waXBlX2NyY19hdXRvX3NvdXJjZSgpIHRvIHBp Y2sgInBpcGUiIENSQwo+IHdoZW4gdXNlcnNwYWNlIHNlbGVjdHMgImF1dG8iIGFuZCB0aGUgb3V0 cHV0IGlzIERQL2VEUC4KCk5vcGUuIFNwZWMgc2F5czoKIlBpcGUgQ1JDIHNob3VsZCBub3QgYmUg cnVuIHdoZW4gRGlzcGxheSBQb3J0IG9yIFRWIGlzIGVuYWJsZWQgb24gdGhpcwogcGlwZS4iCgph bmQKCiJDUkMgU291cmNlIFNlbGVjdDogVGhlc2UgYml0cyBzZWxlY3QgdGhlIHNvdXJjZSBvZiB0 aGUgZGF0YSB0byBwdXQgaW50bwogdGhlIENSQyBsb2dpYy4KIDAwMDogUGlwZSBBIChOb3QgYXZh aWxhYmxlIHdoZW4gRGlzcGxheVBvcnQgb3IgVFYgaXMgZW5hYmxlZCBvbiB0aGlzCiBwaXBlKSIK ClRob3VnaCBJIG11c3QgYWRtaXQgSSd2ZSBuZXZlciBhY3R1YWxseSB0cmllZCBpdCB0byBzZWUg d2hhdCBhY3R1YWxseQpoYXBwZW5zLgoKPiAKPiAKPiA+IAo+ID4gU2lnbmVkLW9mZi1ieTogVmls bGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbT4KPiA+IC0tLQo+ID4g IGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3BpcGVfY3JjLmMgfCA4MCArKysrLS0tLS0tLS0t LS0tLS0tLS0tLS0tCj4gPiAtLQo+ID4gIDEgZmlsZSBjaGFuZ2VkLCAxMSBpbnNlcnRpb25zKCsp LCA2OSBkZWxldGlvbnMoLSkKPiA+IAo+ID4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9p OTE1L2ludGVsX3BpcGVfY3JjLmMKPiA+IGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcGlw ZV9jcmMuYwo+ID4gaW5kZXggZmUwZmY4OWI5ODBiLi42NmJiN2IwMzE1MzcgMTAwNjQ0Cj4gPiAt LS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9waXBlX2NyYy5jCj4gPiArKysgYi9kcml2 ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9waXBlX2NyYy5jCj4gPiBAQCAtMTkxLDggKzE5MSw2IEBA IHN0YXRpYyBpbnQgaTl4eF9waXBlX2NyY19jdGxfcmVnKHN0cnVjdAo+ID4gZHJtX2k5MTVfcHJp dmF0ZSAqZGV2X3ByaXYsCj4gPiAgCQkJCSBlbnVtIGludGVsX3BpcGVfY3JjX3NvdXJjZSAqc291 cmNlLAo+ID4gIAkJCQkgdTMyICp2YWwpCj4gPiAgewo+ID4gLQlib29sIG5lZWRfc3RhYmxlX3N5 bWJvbHMgPSBmYWxzZTsKPiA+IC0KPiA+ICAJaWYgKCpzb3VyY2UgPT0gSU5URUxfUElQRV9DUkNf U09VUkNFX0FVVE8pIHsKPiA+ICAJCWludCByZXQgPSBpOXh4X3BpcGVfY3JjX2F1dG9fc291cmNl KGRldl9wcml2LCBwaXBlLAo+ID4gc291cmNlKTsKPiA+ICAJCWlmIChyZXQpCj4gPiBAQCAtMjA4 LDU2ICsyMDYsMjMgQEAgc3RhdGljIGludCBpOXh4X3BpcGVfY3JjX2N0bF9yZWcoc3RydWN0Cj4g PiBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdiwKPiA+ICAJCQlyZXR1cm4gLUVJTlZBTDsKPiA+ ICAJCSp2YWwgPSBQSVBFX0NSQ19FTkFCTEUgfCBQSVBFX0NSQ19TT1VSQ0VfVFZfUFJFOwo+ID4g IAkJYnJlYWs7Cj4gPiAtCWNhc2UgSU5URUxfUElQRV9DUkNfU09VUkNFX0RQX0I6Cj4gPiAtCQlp ZiAoIUlTX0c0WChkZXZfcHJpdikpCj4gPiAtCQkJcmV0dXJuIC1FSU5WQUw7Cj4gPiAtCQkqdmFs ID0gUElQRV9DUkNfRU5BQkxFIHwgUElQRV9DUkNfU09VUkNFX0RQX0JfRzRYOwo+ID4gLQkJbmVl ZF9zdGFibGVfc3ltYm9scyA9IHRydWU7Cj4gPiAtCQlicmVhazsKPiA+IC0JY2FzZSBJTlRFTF9Q SVBFX0NSQ19TT1VSQ0VfRFBfQzoKPiA+IC0JCWlmICghSVNfRzRYKGRldl9wcml2KSkKPiA+IC0J CQlyZXR1cm4gLUVJTlZBTDsKPiA+IC0JCSp2YWwgPSBQSVBFX0NSQ19FTkFCTEUgfCBQSVBFX0NS Q19TT1VSQ0VfRFBfQ19HNFg7Cj4gPiAtCQluZWVkX3N0YWJsZV9zeW1ib2xzID0gdHJ1ZTsKPiA+ IC0JCWJyZWFrOwo+ID4gLQljYXNlIElOVEVMX1BJUEVfQ1JDX1NPVVJDRV9EUF9EOgo+ID4gLQkJ aWYgKCFJU19HNFgoZGV2X3ByaXYpKQo+ID4gLQkJCXJldHVybiAtRUlOVkFMOwo+ID4gLQkJKnZh bCA9IFBJUEVfQ1JDX0VOQUJMRSB8IFBJUEVfQ1JDX1NPVVJDRV9EUF9EX0c0WDsKPiA+IC0JCW5l ZWRfc3RhYmxlX3N5bWJvbHMgPSB0cnVlOwo+ID4gLQkJYnJlYWs7Cj4gPiAgCWNhc2UgSU5URUxf UElQRV9DUkNfU09VUkNFX05PTkU6Cj4gPiAgCQkqdmFsID0gMDsKPiA+ICAJCWJyZWFrOwo+ID4g IAlkZWZhdWx0Ogo+ID4gKwkJLyoKPiA+ICsJCSAqIFRoZSBEUCBDUkMgc291cmNlIGRvZXNuJ3Qg d29yayBvbiBnNHguCj4gPiArCQkgKiBJdCBjYW4gYmUgbWFkZSB0byB3b3JrIHRvIHNvbWUgZGVn cmVlIGJ5IHNlbGVjdGluZwo+ID4gKwkJICogdGhlIGNvcnJlY3QgQ1JDIHNvdXJjZSBiZWZvcmUg dGhlIHBvcnQgaXMgZW5hYmxlZCwKPiA+ICsJCSAqIGFuZCBub3QgdG91Y2hpbmcgdGhlIENSQyBz b3VyY2UgYml0cyBhZ2FpbiB1bnRpbAo+ID4gKwkJICogdGhlIHBvcnQgaXMgZGlzYWJsZWQuIEJ1 dCBldmVuIHRoZW4gdGhlIGJpdHMKPiA+ICsJCSAqIGV2ZW50dWFsbHkgZ2V0IHN0dWNrIGFuZCBh IHJlYm9vdCBpcyBuZWVkZWQgdG8gZ2V0Cj4gPiArCQkgKiB3b3JraW5nIENSQ3Mgb24gdGhlIHBp cGUgYWdhaW4uIExldCdzIHNpbXBseQo+ID4gKwkJICogcmVmdXNlIHRvIHVzZSBEUCBDUkNzIG9u IGc0eC4KPiA+ICsJCSAqL3oKPiA+ICAJCXJldHVybiAtRUlOVkFMOwo+ID4gIAl9Cj4gPiAgCj4g PiAtCS8qCj4gPiAtCSAqIFdoZW4gdGhlIHBpcGUgQ1JDIHRhcCBwb2ludCBpcyBhZnRlciB0aGUg dHJhbnNjb2RlcnMgd2UgbmVlZAo+ID4gLQkgKiB0byB0d2VhayBzeW1ib2wtbGV2ZWwgZmVhdHVy ZXMgdG8gcHJvZHVjZSBhIGRldGVybWluaXN0aWMKPiA+IHNlcmllcyBvZgo+ID4gLQkgKiBzeW1i b2xzIGZvciBhIGdpdmVuIGZyYW1lLiBXZSBuZWVkIHRvIHJlc2V0IHRob3NlIGZlYXR1cmVzCj4g PiBvbmx5IG9uY2UKPiA+IC0JICogYSBmcmFtZSAoaW5zdGVhZCBvZiBldmVyeSBudGggc3ltYm9s KToKPiA+IC0JICogICAtIERDLWJhbGFuY2U6IHVzZWQgdG8gZW5zdXJlIGEgYmV0dGVyIGNsb2Nr IHJlY292ZXJ5IGZyb20KPiA+IHRoZSBkYXRhCj4gPiAtCSAqICAgICBsaW5rIChTRFZPKQo+ID4g LQkgKiAgIC0gRGlzcGxheVBvcnQgc2NyYW1ibGluZzogdXNlZCBmb3IgRU1JIHJlZHVjdGlvbgo+ ID4gLQkgKi8KPiA+IC0JaWYgKG5lZWRfc3RhYmxlX3N5bWJvbHMpIHsKPiA+IC0JCXUzMiB0bXAg PSBJOTE1X1JFQUQoUE9SVF9ERlQyX0c0WCk7Cj4gPiAtCj4gPiAtCQlXQVJOX09OKCFJU19HNFgo ZGV2X3ByaXYpKTsKPiA+IC0KPiA+IC0JCUk5MTVfV1JJVEUoUE9SVF9ERlRfSTlYWCwKPiA+IC0J CQkgICBJOTE1X1JFQUQoUE9SVF9ERlRfSTlYWCkgfAo+ID4gRENfQkFMQU5DRV9SRVNFVCk7Cj4g PiAtCj4gPiAtCQlpZiAocGlwZSA9PSBQSVBFX0EpCj4gPiAtCQkJdG1wIHw9IFBJUEVfQV9TQ1JB TUJMRV9SRVNFVDsKPiA+IC0JCWVsc2UKPiA+IC0JCQl0bXAgfD0gUElQRV9CX1NDUkFNQkxFX1JF U0VUOwo+ID4gLQo+ID4gLQkJSTkxNV9XUklURShQT1JUX0RGVDJfRzRYLCB0bXApOwo+ID4gLQl9 Cj4gPiAtCj4gPiAgCXJldHVybiAwOwo+ID4gIH0KPiA+ICAKPiA+IEBAIC0yODIsMjQgKzI0Nyw2 IEBAIHN0YXRpYyB2b2lkIHZsdl91bmRvX3BpcGVfc2NyYW1ibGVfcmVzZXQoc3RydWN0Cj4gPiBk cm1faTkxNV9wcml2YXRlICpkZXZfcHJpdiwKPiA+ICAJaWYgKCEodG1wICYgUElQRV9TQ1JBTUJM RV9SRVNFVF9NQVNLKSkKPiA+ICAJCXRtcCAmPSB+RENfQkFMQU5DRV9SRVNFVF9WTFY7Cj4gPiAg CUk5MTVfV1JJVEUoUE9SVF9ERlQyX0c0WCwgdG1wKTsKPiA+IC0KPiA+IC19Cj4gPiAtCj4gPiAt c3RhdGljIHZvaWQgZzR4X3VuZG9fcGlwZV9zY3JhbWJsZV9yZXNldChzdHJ1Y3QgZHJtX2k5MTVf cHJpdmF0ZQo+ID4gKmRldl9wcml2LAo+ID4gLQkJCQkJIGVudW0gcGlwZSBwaXBlKQo+ID4gLXsK PiA+IC0JdTMyIHRtcCA9IEk5MTVfUkVBRChQT1JUX0RGVDJfRzRYKTsKPiA+IC0KPiA+IC0JaWYg KHBpcGUgPT0gUElQRV9BKQo+ID4gLQkJdG1wICY9IH5QSVBFX0FfU0NSQU1CTEVfUkVTRVQ7Cj4g PiAtCWVsc2UKPiA+IC0JCXRtcCAmPSB+UElQRV9CX1NDUkFNQkxFX1JFU0VUOwo+ID4gLQlJOTE1 X1dSSVRFKFBPUlRfREZUMl9HNFgsIHRtcCk7Cj4gPiAtCj4gPiAtCWlmICghKHRtcCAmIFBJUEVf U0NSQU1CTEVfUkVTRVRfTUFTSykpIHsKPiA+IC0JCUk5MTVfV1JJVEUoUE9SVF9ERlRfSTlYWCwK PiA+IC0JCQkgICBJOTE1X1JFQUQoUE9SVF9ERlRfSTlYWCkgJgo+ID4gfkRDX0JBTEFOQ0VfUkVT RVQpOwo+ID4gLQl9Cj4gPiAgfQo+ID4gIAo+ID4gIHN0YXRpYyBpbnQgaWxrX3BpcGVfY3JjX2N0 bF9yZWcoZW51bSBpbnRlbF9waXBlX2NyY19zb3VyY2UgKnNvdXJjZSwKPiA+IEBAIC00ODUsOSAr NDMyLDYgQEAgc3RhdGljIGludCBpOXh4X2NyY19zb3VyY2VfdmFsaWQoc3RydWN0Cj4gPiBkcm1f aTkxNV9wcml2YXRlICpkZXZfcHJpdiwKPiA+ICAJc3dpdGNoIChzb3VyY2UpIHsKPiA+ICAJY2Fz ZSBJTlRFTF9QSVBFX0NSQ19TT1VSQ0VfUElQRToKPiA+ICAJY2FzZSBJTlRFTF9QSVBFX0NSQ19T T1VSQ0VfVFY6Cj4gPiAtCWNhc2UgSU5URUxfUElQRV9DUkNfU09VUkNFX0RQX0I6Cj4gPiAtCWNh c2UgSU5URUxfUElQRV9DUkNfU09VUkNFX0RQX0M6Cj4gPiAtCWNhc2UgSU5URUxfUElQRV9DUkNf U09VUkNFX0RQX0Q6Cj4gPiAgCWNhc2UgSU5URUxfUElQRV9DUkNfU09VUkNFX05PTkU6Cj4gPiAg CQlyZXR1cm4gMDsKPiA+ICAJZGVmYXVsdDoKPiA+IEBAIC02MTIsOSArNTU2LDcgQEAgaW50IGlu dGVsX2NydGNfc2V0X2NyY19zb3VyY2Uoc3RydWN0IGRybV9jcnRjCj4gPiAqY3J0YywgY29uc3Qg Y2hhciAqc291cmNlX25hbWUpCj4gPiAgCVBPU1RJTkdfUkVBRChQSVBFX0NSQ19DVEwoY3J0Yy0+ aW5kZXgpKTsKPiA+ICAKPiA+ICAJaWYgKCFzb3VyY2UpIHsKPiA+IC0JCWlmIChJU19HNFgoZGV2 X3ByaXYpKQo+ID4gLQkJCWc0eF91bmRvX3BpcGVfc2NyYW1ibGVfcmVzZXQoZGV2X3ByaXYsIGNy dGMtCj4gPiA+aW5kZXgpOwo+ID4gLQkJZWxzZSBpZiAoSVNfVkFMTEVZVklFVyhkZXZfcHJpdikg fHwKPiA+IElTX0NIRVJSWVZJRVcoZGV2X3ByaXYpKQo+ID4gKwkJaWYgKElTX1ZBTExFWVZJRVco ZGV2X3ByaXYpIHx8IElTX0NIRVJSWVZJRVcoZGV2X3ByaXYpKQo+ID4gIAkJCXZsdl91bmRvX3Bp cGVfc2NyYW1ibGVfcmVzZXQoZGV2X3ByaXYsIGNydGMtCj4gPiA+aW5kZXgpOwo+ID4gIAkJZWxz ZSBpZiAoKElTX0hBU1dFTEwoZGV2X3ByaXYpIHx8Cj4gPiAgCQkJICBJU19CUk9BRFdFTEwoZGV2 X3ByaXYpKSAmJiBjcnRjLT5pbmRleCA9PQo+ID4gUElQRV9BKQoKLS0gClZpbGxlIFN5cmrDpGzD pApJbnRlbApfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJ bnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0 cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZng=