From mboxrd@z Thu Jan 1 00:00:00 1970 From: Manasi Navare Subject: Re: [PATCH v3 3/6] drm/i915/display/icl: HW state readout for transcoder port sync config Date: Wed, 25 Sep 2019 11:37:58 -0700 Message-ID: <20190925183758.GA21772@intel.com> References: <20190922170807.12436-1-manasi.d.navare@intel.com> <20190922170807.12436-3-manasi.d.navare@intel.com> <2f260ee7-617d-da80-9ca1-9b7d138966d3@linux.intel.com> <20190924175957.GA24437@intel.com> <20190925100823.GV1208@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by gabe.freedesktop.org (Postfix) with ESMTPS id 845276EE60 for ; Wed, 25 Sep 2019 18:36:28 +0000 (UTC) Content-Disposition: inline In-Reply-To: <20190925100823.GV1208@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Cc: Jani Nikula , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gV2VkLCBTZXAgMjUsIDIwMTkgYXQgMDE6MDg6MjNQTSArMDMwMCwgVmlsbGUgU3lyasOkbMOk IHdyb3RlOgo+IE9uIFR1ZSwgU2VwIDI0LCAyMDE5IGF0IDEwOjU5OjU3QU0gLTA3MDAsIE1hbmFz aSBOYXZhcmUgd3JvdGU6Cj4gPiBPbiBUdWUsIFNlcCAyNCwgMjAxOSBhdCAwNTozODowMFBNICsw MjAwLCBNYWFydGVuIExhbmtob3JzdCB3cm90ZToKPiA+ID4gT3AgMjItMDktMjAxOSBvbSAxOTow OCBzY2hyZWVmIE1hbmFzaSBOYXZhcmU6Cj4gPiA+ID4gQWZ0ZXIgdGhlIHN0YXRlIGlzIGNvbW1p dHRlZCwgd2UgcmVhZG91dCB0aGUgSFcgcmVnaXN0ZXJzIGFuZCBjb21wYXJlCj4gPiA+ID4gdGhl IEhXIHN0YXRlIHdpdGggdGhlIFNXIHN0YXRlIHRoYXQgd2UganVzdCBjb21taXR0ZWQuCj4gPiA+ ID4gRm9yIFRyYW5zY2RvZXIgcG9ydCBzeW5jLCB3ZSBhZGQgbWFzdGVyX3RyYW5zY29kZXIgYW5k IHRoZQo+ID4gPiA+IHNhbHZlcyBiaXRtYXNrIHRvIHRoZSBjcnRjX3N0YXRlLCBoZW5jZSB3ZSBu ZWVkIHRvIHJlYWQgdGhvc2UgZHVyaW5nCj4gPiA+ID4gdGhlIEhXIHN0YXRlIHJlYWRvdXQgdG8g YXZvaWQgcGlwZSBzdGF0ZSBtaXNtYXRjaC4KPiA+ID4gPgo+ID4gPiA+IHY0Ogo+ID4gPiA+ICog R2V0IHBvd2VyIGRvbWFpbnMgaW4gbWFzdGVyIGxvb3AgZm9yIGdldF9jb25maWcgKFZpbGxlKQo+ ID4gPiA+IHYzOgo+ID4gPiA+ICogQWRkIFRSQU5TQ09ERVJfRCAoTWFhcnRlbikKPiA+ID4gPiAq IHYzIFJldmlld2VkLWJ5OiBNYWFydGVuIExhbmtob3JzdCA8bWFhcnRlbi5sYW5raG9yc3RAbGlu dXguaW50ZWwuY29tPgo+ID4gPiA+IHYyOgo+ID4gPiA+ICogQWRkIFRyYW5zY29kZXJfRCBhbmQg TUlTU0lOR19DQVNFIChNYWFydGVuKQo+ID4gPiA+Cj4gPiA+ID4gQ2M6IFZpbGxlIFN5cmrDpGzD pCA8dmlsbGUuc3lyamFsYUBsaW51eC5pbnRlbC5jb20+Cj4gPiA+ID4gQ2M6IE1hYXJ0ZW4gTGFu a2hvcnN0IDxtYWFydGVuLmxhbmtob3JzdEBsaW51eC5pbnRlbC5jb20+Cj4gPiA+ID4gQ2M6IE1h dHQgUm9wZXIgPG1hdHRoZXcuZC5yb3BlckBpbnRlbC5jb20+Cj4gPiA+ID4gQ2M6IEphbmkgTmlr dWxhIDxqYW5pLm5pa3VsYUBpbnRlbC5jb20+Cj4gPiA+ID4gU2lnbmVkLW9mZi1ieTogTWFuYXNp IE5hdmFyZSA8bWFuYXNpLmQubmF2YXJlQGludGVsLmNvbT4KPiA+ID4gPiAtLS0KPiA+ID4gPiAg ZHJpdmVycy9ncHUvZHJtL2k5MTUvZGlzcGxheS9pbnRlbF9kaXNwbGF5LmMgfCA2OSArKysrKysr KysrKysrKysrKysrKwo+ID4gPiA+ICAxIGZpbGUgY2hhbmdlZCwgNjkgaW5zZXJ0aW9ucygrKQo+ ID4gPiA+Cj4gPiA+ID4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2Rpc3BsYXkv aW50ZWxfZGlzcGxheS5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvZGlzcGxheS9pbnRlbF9kaXNw bGF5LmMKPiA+ID4gPiBpbmRleCAxYWU1ZWFmZTI4OTIuLjcxMTk4N2ViNGU5ZSAxMDA2NDQKPiA+ ID4gPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9kaXNwbGF5L2ludGVsX2Rpc3BsYXkuYwo+ ID4gPiA+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2Rpc3BsYXkvaW50ZWxfZGlzcGxheS5j Cj4gPiA+ID4gQEAgLTEwNDcwLDYgKzEwNDcwLDcyIEBAIHN0YXRpYyB2b2lkIGhhc3dlbGxfZ2V0 X2RkaV9wb3J0X3N0YXRlKHN0cnVjdCBpbnRlbF9jcnRjICpjcnRjLAo+ID4gPiA+ICAJfQo+ID4g PiA+ICB9Cj4gPiA+ID4gIAo+ID4gPiA+ICtzdGF0aWMgZW51bSB0cmFuc2NvZGVyIHRyYW5zY29k ZXJfbWFzdGVyKHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdiwKPiA+ID4gPiArCQkJ CQkgZW51bSB0cmFuc2NvZGVyIGNwdV90cmFuc2NvZGVyKQo+ID4gPiA+ICt7Cj4gPiA+ID4gKwl1 MzIgdHJhbnNfcG9ydF9zeW5jLCBtYXN0ZXJfc2VsZWN0Owo+ID4gPiA+ICsKPiA+ID4gPiArCXRy YW5zX3BvcnRfc3luYyA9IEk5MTVfUkVBRChUUkFOU19ERElfRlVOQ19DVEwyKGNwdV90cmFuc2Nv ZGVyKSk7Cj4gPiA+ID4gKwo+ID4gPiA+ICsJaWYgKCh0cmFuc19wb3J0X3N5bmMgJiBQT1JUX1NZ TkNfTU9ERV9FTkFCTEUpID09IDApCj4gPiA+ID4gKwkJcmV0dXJuIElOVkFMSURfVFJBTlNDT0RF UjsKPiA+ID4gPiArCj4gPiA+ID4gKwltYXN0ZXJfc2VsZWN0ID0gdHJhbnNfcG9ydF9zeW5jICYK PiA+ID4gPiArCQkJUE9SVF9TWU5DX01PREVfTUFTVEVSX1NFTEVDVF9NQVNLOwo+ID4gPiA+ICsJ c3dpdGNoIChtYXN0ZXJfc2VsZWN0KSB7Cj4gPiA+ID4gKwljYXNlIDE6Cj4gPiA+ID4gKwkJcmV0 dXJuIFRSQU5TQ09ERVJfQTsKPiA+ID4gPiArCWNhc2UgMjoKPiA+ID4gPiArCQlyZXR1cm4gVFJB TlNDT0RFUl9COwo+ID4gPiA+ICsJY2FzZSAzOgo+ID4gPiA+ICsJCXJldHVybiBUUkFOU0NPREVS X0M7Cj4gPiA+ID4gKwljYXNlIDQ6Cj4gPiA+ID4gKwkJcmV0dXJuIFRSQU5TQ09ERVJfRDsKPiA+ ID4gPiArCWRlZmF1bHQ6Cj4gPiA+ID4gKwkJTUlTU0lOR19DQVNFKG1hc3Rlcl9zZWxlY3QpOwo+ ID4gPiA+ICsJfQo+ID4gPiA+ICsKPiA+ID4gPiArCXJldHVybiBJTlZBTElEX1RSQU5TQ09ERVI7 Cj4gPiA+IENvdWxkIG1vdmUgdGhpcyByZXR1cm4gdXAgdG8gZGVmYXVsdC4gOikKPiA+IAo+ID4g WWVzIHdpbGwgZG8gdGhpcwo+ID4gCj4gPiA+ID4gK30KPiA+ID4gPiArCj4gPiA+ID4gK3N0YXRp YyB2b2lkIGljZWxha2VfZ2V0X3RyYW5zX3BvcnRfc3luY19jb25maWcoc3RydWN0IGludGVsX2Ny dGMgKmNydGMsCj4gPiA+ID4gKwkJCQkJICAgICAgIHN0cnVjdCBpbnRlbF9jcnRjX3N0YXRlICpw aXBlX2NvbmZpZykKPiA+ID4gPiArewo+ID4gPiA+ICsJc3RydWN0IGRybV9kZXZpY2UgKmRldiA9 IGNydGMtPmJhc2UuZGV2Owo+ID4gPiA+ICsJc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmRldl9w cml2ID0gdG9faTkxNShkZXYpOwo+ID4gPiA+ICsJdTMyIHRyYW5zY29kZXJzOwo+ID4gPiA+ICsJ ZW51bSB0cmFuc2NvZGVyIGNwdV90cmFuc2NvZGVyOwo+ID4gPiA+ICsKPiA+ID4gPiArCXBpcGVf Y29uZmlnLT5tYXN0ZXJfdHJhbnNjb2RlciA9IHRyYW5zY29kZXJfbWFzdGVyKGRldl9wcml2LAo+ ID4gPiA+ICsJCQkJCQkJICAgcGlwZV9jb25maWctPmNwdV90cmFuc2NvZGVyKTsKPiA+ID4gPiAr CWlmIChwaXBlX2NvbmZpZy0+bWFzdGVyX3RyYW5zY29kZXIgIT0gSU5WQUxJRF9UUkFOU0NPREVS KSB7Cj4gPiA+ID4gKwkJcGlwZV9jb25maWctPnN5bmNfbW9kZV9zbGF2ZXNfbWFzayA9IDA7Cj4g PiA+ID4gKwkJcmV0dXJuOwo+ID4gPiA+ICsJfQo+ID4gPiA+ICsKPiA+ID4gCj4gPiA+IEl0IGNv dWxkIHN0aWxsIGJlIHVzZWZ1bCB0byBnbyB0aHJvdWdoIHRoZSBsb29wIGJlbG93IGFueXdheSwg aW4gY2FzZSB3ZSBtZXNzZWQgdXAuIFdlIGFyZSByZWFkaW5nIG91dCBmcm9tIGh3IGFmdGVyIGFs bC4KPiA+ID4KPiA+IAo+ID4gVGhlIGxvb3AgYmVsb3cgd2lsbCBiZSBjYWxsZWQgYWx3YXlzIGlu IGNhc2Ugb2YgdGhlIEhXIHN0YXRlIHJlYWRvdXQgZm9yIG1hc3RlciwgaW4gY2FzZSBvZiB0aGUg c2xhdmUgaXQgd2lsbCBleGVjdXRlCj4gPiB0aGUgZmlycyBwYXJ0LCBnZXQgdGhlIG1hc3RlciB0 cmFuc2NvZGVyIGFuZCByZXR1cm4sIHdoeSBkbyB3ZSBuZWVkIHRvIGNhbGwgdGhlIGxvb3AgYmVs b3cgZm9yIHNsYXZlPyBXaHkgY2FudCB3ZSBqdXN0IHJldHVybiBoZXJlCj4gPiBhcyBpbiB0aGUg Y29kZT8KPiAKPiBJIHRoaW5rIE1hYXJ0ZW4ncyBwb2ludCB3YXMgdG8gY2F0Y2ggY2FzZXMgd2hl cmUgdGhlIHNhbWUgdHJhbnNjb2RlciBpcwo+IGFjY2lkZW50YWxseSBjb25maWd1cmUgYXMgYm90 aCBzbGF2ZSBhbmQgbWFzdGVyLgo+CkJ1dCBzaG91bGRudCB3ZSBhZGQgYSB3YXJuIG9uIGZvciBz dWNoIGEgY2FzZSwgaWYgd2UgbGV0IGl0IGdvIHRocm91Z2ggYm90aCB0aGUgZmlyc3QgcGFydCBh bmQgdGhlIGxvb3AgYmVsb3cKdGhlbiBpdCB3aWxsIHBvcHVsYXRlIHRoZSBtYXN0ZXJfdHJhbnMg YW5kIHNsYXZlX2JpdG1hc2sgYm90aCBmb3IgdGhlIHNhbWUgY3J0YyB3aGljaCB3b3VsZCBiZSB3 cm9uZwpIb3cgY2FuIHdlIGZsYWcgc3VjaCBhIGNhc2U/CgpNYW5hc2kKIAo+ID4gIAo+ID4gPiBB bmQgdGhlbiBhbHNvIGFkZCB0aGlzIGFzIGEgUElQRV9DT05GX0NIRUNLX1ggY2hlY2sgdG8gcGlw ZV9jb25maWdfY29tcGFyZSgpLgo+ID4gPiAKPiA+IAo+ID4gVGhpcyBpcyBhbHJlYWR5IGFkZGVk IGluIHBpcGVfY29uZmlnX2NvbXBhcmUoKSBpbiB0aGUgcGF0Y2ggdGhhdCBhZGRzIHRoZXNlIHR3 byBtYXN0ZXJfdHJhbnMgYW5kIHNsYXZlX2JpdG1hc2sgdG8gdGhlIGNydGMgc3RhdGUKPiA+IAo+ ID4gTWFuYXNpCj4gPiAKPiA+ID4gV2l0aCB0aGF0IGZpeGVkIGFuZCBDSSBoYXBweSwKPiA+ID4g Cj4gPiA+IFJldmlld2VkLWJ5OiBNYWFydGVuIExhbmtob3JzdCA8bWFhcnRlbi5sYW5raG9yc3RA bGludXguaW50ZWwuY29tPgo+ID4gPiAKPiA+ID4gPiArCXRyYW5zY29kZXJzID0gQklUKFRSQU5T Q09ERVJfQSkgfAo+ID4gPiA+ICsJCUJJVChUUkFOU0NPREVSX0IpIHwKPiA+ID4gPiArCQlCSVQo VFJBTlNDT0RFUl9DKSB8Cj4gPiA+ID4gKwkJQklUKFRSQU5TQ09ERVJfRCk7Cj4gPiA+ID4gKwlm b3JfZWFjaF9jcHVfdHJhbnNjb2Rlcl9tYXNrZWQoZGV2X3ByaXYsIGNwdV90cmFuc2NvZGVyLCB0 cmFuc2NvZGVycykgewo+ID4gPiA+ICsJCWVudW0gaW50ZWxfZGlzcGxheV9wb3dlcl9kb21haW4g cG93ZXJfZG9tYWluOwo+ID4gPiA+ICsJCWludGVsX3dha2VyZWZfdCB0cmFuc193YWtlcmVmOwo+ ID4gPiA+ICsKPiA+ID4gPiArCQlwb3dlcl9kb21haW4gPSBQT1dFUl9ET01BSU5fVFJBTlNDT0RF UihjcHVfdHJhbnNjb2Rlcik7Cj4gPiA+ID4gKwkJdHJhbnNfd2FrZXJlZiA9IGludGVsX2Rpc3Bs YXlfcG93ZXJfZ2V0X2lmX2VuYWJsZWQoZGV2X3ByaXYsCj4gPiA+ID4gKwkJCQkJCQkJICAgcG93 ZXJfZG9tYWluKTsKPiA+ID4gPiArCj4gPiA+ID4gKwkJaWYgKCF0cmFuc193YWtlcmVmKQo+ID4g PiA+ICsJCQljb250aW51ZTsKPiA+ID4gPiArCj4gPiA+ID4gKwkJaWYgKHRyYW5zY29kZXJfbWFz dGVyKGRldl9wcml2LCBjcHVfdHJhbnNjb2RlcikgPT0KPiA+ID4gPiArCQkgICAgcGlwZV9jb25m aWctPmNwdV90cmFuc2NvZGVyKQo+ID4gPiA+ICsJCQlwaXBlX2NvbmZpZy0+c3luY19tb2RlX3Ns YXZlc19tYXNrIHw9IEJJVChjcHVfdHJhbnNjb2Rlcik7Cj4gPiA+ID4gKwo+ID4gPiA+ICsJCWlu dGVsX2Rpc3BsYXlfcG93ZXJfcHV0KGRldl9wcml2LCBwb3dlcl9kb21haW4sIHRyYW5zX3dha2Vy ZWYpOwo+ID4gPiA+ICsJfQo+ID4gPiA+ICt9Cj4gPiA+ID4gKwo+ID4gPiA+ICBzdGF0aWMgYm9v bCBoYXN3ZWxsX2dldF9waXBlX2NvbmZpZyhzdHJ1Y3QgaW50ZWxfY3J0YyAqY3J0YywKPiA+ID4g PiAgCQkJCSAgICBzdHJ1Y3QgaW50ZWxfY3J0Y19zdGF0ZSAqcGlwZV9jb25maWcpCj4gPiA+ID4g IHsKPiA+ID4gPiBAQCAtMTA1NjYsNiArMTA2MzIsOSBAQCBzdGF0aWMgYm9vbCBoYXN3ZWxsX2dl dF9waXBlX2NvbmZpZyhzdHJ1Y3QgaW50ZWxfY3J0YyAqY3J0YywKPiA+ID4gPiAgCQlwaXBlX2Nv bmZpZy0+cGl4ZWxfbXVsdGlwbGllciA9IDE7Cj4gPiA+ID4gIAl9Cj4gPiA+ID4gIAo+ID4gPiA+ ICsJaWYgKElOVEVMX0dFTihkZXZfcHJpdikgPj0gMTEpCj4gPiA+ID4gKwkJaWNlbGFrZV9nZXRf dHJhbnNfcG9ydF9zeW5jX2NvbmZpZyhjcnRjLCBwaXBlX2NvbmZpZyk7Cj4gPiA+ID4gKwo+ID4g PiA+ICBvdXQ6Cj4gPiA+ID4gIAlmb3JfZWFjaF9wb3dlcl9kb21haW4ocG93ZXJfZG9tYWluLCBw b3dlcl9kb21haW5fbWFzaykKPiA+ID4gPiAgCQlpbnRlbF9kaXNwbGF5X3Bvd2VyX3B1dChkZXZf cHJpdiwKPiA+ID4gCj4gPiA+IAo+IAo+IC0tIAo+IFZpbGxlIFN5cmrDpGzDpAo+IEludGVsCl9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBt YWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3Rz LmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeA==