From mboxrd@z Thu Jan 1 00:00:00 1970 From: Manasi Navare Subject: Re: [v3 1/7] i915/dp/fec: Cache the FEC_CAPABLE DPCD register Date: Mon, 29 Oct 2018 19:29:25 -0700 Message-ID: <20181030022925.GF27040@intel.com> References: <20181026044943.29334-1-anusha.srivatsa@intel.com> <20181026044943.29334-2-anusha.srivatsa@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 ESMTPS id 4A3916E0E2 for ; Tue, 30 Oct 2018 02:26:40 +0000 (UTC) Content-Disposition: inline In-Reply-To: <20181026044943.29334-2-anusha.srivatsa@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Anusha Srivatsa Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gVGh1LCBPY3QgMjUsIDIwMTggYXQgMDk6NDk6MzdQTSAtMDcwMCwgQW51c2hhIFNyaXZhdHNh IHdyb3RlOgo+IFNpbWlsYXIgdG8gRFNDIERQQ0QgcmVnaXN0ZXJzLCBsZXQgdXMgY2FjaGUKPiBG RUNfQ0FQQUJMRSByZWdpc3RlciB0byBhdm9pZCB1c2luZyBzdGFsZQo+IHZhbHVlcy4gV2l0aCB0 aGlzIHdlIGNhbiBhdm9pZCBhdXggcmVhZHMKPiBldmVyeXRpbWUgYW5kIGluc3RlYWQgcmVhZCB0 aGUgY2FjaGVkIHZhbHVlcy4KPiAKPiB2MjogQXZvaWQgdXNpbmcgbWVtc2V0IGFuZCBhcnJheSBm b3IgYSBzaW5nbGUKPiBmaWVsZC4gKE1hbmFzaSxKYW5pKQo+IAo+IFN1Z2dlc3RlZC1ieTogSmFu aSBOaWt1bGEgPGphbmkubmlrdWxhQGxpbnV4LmludGVsLmNvbT4KPiBDYzogSmFuaSBOaWt1bGEg PGphbmkubmlrdWxhQGxpbnV4LmludGVsLmNvbT4KPiBDYzogVmlsbGUgU3lyamFsYSA8dmlsbGUu c3lyamFsYUBsaW51eC5pbnRlbC5jb20+Cj4gQ2M6IE1hbmFzaSBOYXZhcmUgPG1hbmFzaS5kLm5h dmFyZUBpbnRlbC5jb20+Cj4gU2lnbmVkLW9mZi1ieTogQW51c2hhIFNyaXZhdHNhIDxhbnVzaGEu c3JpdmF0c2FAaW50ZWwuY29tPgo+IC0tLQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9k cC5jICB8IDEwICsrKysrKysrKysKPiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHJ2Lmgg fCAgMSArCj4gIDIgZmlsZXMgY2hhbmdlZCwgMTEgaW5zZXJ0aW9ucygrKQo+IAo+IGRpZmYgLS1n aXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jIGIvZHJpdmVycy9ncHUvZHJtL2k5 MTUvaW50ZWxfZHAuYwo+IGluZGV4IDVhNjM4NTAzZTM2YS4uMTZkMWRiN2M5Mzk4IDEwMDY0NAo+ IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwLmMKPiArKysgYi9kcml2ZXJzL2dw dS9kcm0vaTkxNS9pbnRlbF9kcC5jCj4gQEAgLTQxOTgsOSArNDE5OCwxMyBAQCBzdGF0aWMgdm9p ZCBpbnRlbF9kcF9nZXRfZHNjX3NpbmtfY2FwKHN0cnVjdCBpbnRlbF9kcCAqaW50ZWxfZHApCj4g IAkvKgo+ICAJICpDbGVhciB0aGUgY2FjaGVkIHJlZ2lzdGVyIHNldCB0byBhdm9pZCB1c2luZyBz dGFsZSB2YWx1ZXMKPiAgCSAqIGZvciB0aGUgc2lua3MgdGhhdCBkbyBub3Qgc3VwcG9ydCBEU0Mu Cj4gKwkgKiBTaW1pbGFybHksIGNsZWFyIHRoZSBjYWNoZWQgRkVDIHJlZ2lzdGVyLgoKWW91IGRv bnQgbmVlZCB0aGlzIGNvbW1lbnQgaGVyZSBhYm91dCBjbGVhcmluZyBjYWNoZWQgcmVnIHNpbmNl IHlvdSBoYXZlCmEgc2VwYXJhdGUgY29tbWVudCBiZWxvdy4KCj4gIAkgKi8KPiAgCW1lbXNldChp bnRlbF9kcC0+ZHNjX2RwY2QsIDAsIHNpemVvZihpbnRlbF9kcC0+ZHNjX2RwY2QpKTsKPiAgCj4g KwkvKiBDbGVhciBmZWNfY2FwYWJsZSB0byBhdm9pZCB1c2luZyBzdGFsZSB2YWx1ZXMgKi8KPiAr CWludGVsX2RwLT5mZWNfY2FwYWJsZSA9IDA7Cj4gKwo+ICAJLyogQ2FjaGUgdGhlIERTQyBEUENE IGlmIGVEUCBvciBEUCByZXYgPj0gMS40ICovCj4gIAlpZiAoaW50ZWxfZHAtPmRwY2RbRFBfRFBD RF9SRVZdID49IDB4MTQgfHwKPiAgCSAgICBpbnRlbF9kcC0+ZWRwX2RwY2RbMF0gPj0gRFBfRURQ XzE0KSB7Cj4gQEAgLTQyMTQsNiArNDIxOCwxMiBAQCBzdGF0aWMgdm9pZCBpbnRlbF9kcF9nZXRf ZHNjX3NpbmtfY2FwKHN0cnVjdCBpbnRlbF9kcCAqaW50ZWxfZHApCj4gIAkJCSAgICAgIChpbnQp c2l6ZW9mKGludGVsX2RwLT5kc2NfZHBjZCksCj4gIAkJCSAgICAgIGludGVsX2RwLT5kc2NfZHBj ZCk7Cj4gIAl9CgpXaHkgY2FudCB5b3UgZW1iZWQgcmVhZGluZyBGRUMgcmVnIGluIHRoZSBhYm92 ZSBjb25kaXRpb24uCldpdGhpbiB0aGF0IGp1c3QgY2hlY2sgIWVkcCBhbmQgcmVhZCBmZWMgcmVn LgoKTWFuYXNpCgo+ICsJLyogRkVDIGlzIHN1cHBvcnRlZCBvbmx5IG9uIERQIDEuNCAqLwo+ICsJ aWYgKCFpbnRlbF9kcF9pc19lZHAoaW50ZWxfZHApICYmIGludGVsX2RwLT5kcGNkW0RQX0RQQ0Rf UkVWXSA+PSAweDE0KSB7Cj4gKwkJaWYgKGRybV9kcF9kcGNkX3JlYWRiKCZpbnRlbF9kcC0+YXV4 LCBEUF9GRUNfQ0FQQUJJTElUWSwKPiArCQkJCSAgICAgICZpbnRlbF9kcC0+ZmVjX2NhcGFibGUp IDwgMCkKPiArCQkJRFJNX0VSUk9SKCJGYWlsZWQgdG8gcmVhZCBGRUMgRFBDRCByZWdpc3Rlclxu Iik7Cj4gKwl9Cj4gIH0KPiAgCj4gIHN0YXRpYyBib29sCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMv Z3B1L2RybS9pOTE1L2ludGVsX2Rydi5oIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHJ2 LmgKPiBpbmRleCAxNmJiYzM3NjhlMDIuLjlhOTRjNjU0NGJmNSAxMDA2NDQKPiAtLS0gYS9kcml2 ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcnYuaAo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1 L2ludGVsX2Rydi5oCj4gQEAgLTExMTksNiArMTExOSw3IEBAIHN0cnVjdCBpbnRlbF9kcCB7Cj4g IAl1aW50OF90IGRvd25zdHJlYW1fcG9ydHNbRFBfTUFYX0RPV05TVFJFQU1fUE9SVFNdOwo+ICAJ dWludDhfdCBlZHBfZHBjZFtFRFBfRElTUExBWV9DVExfQ0FQX1NJWkVdOwo+ICAJdTggZHNjX2Rw Y2RbRFBfRFNDX1JFQ0VJVkVSX0NBUF9TSVpFXTsKPiArCXU4IGZlY19jYXBhYmxlOwo+ICAJLyog c291cmNlIHJhdGVzICovCj4gIAlpbnQgbnVtX3NvdXJjZV9yYXRlczsKPiAgCWNvbnN0IGludCAq c291cmNlX3JhdGVzOwo+IC0tIAo+IDIuMTcuMQo+IApfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBs aXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1h bi9saXN0aW5mby9pbnRlbC1nZngK