From mboxrd@z Thu Jan 1 00:00:00 1970 From: Manasi Navare Subject: Re: [v4 1/7] i915/dp/fec: Cache the FEC_CAPABLE DPCD register Date: Thu, 1 Nov 2018 15:31:10 -0700 Message-ID: <20181101223107.GC27805@intel.com> References: <20181031004517.17250-1-anusha.srivatsa@intel.com> <20181031004517.17250-2-anusha.srivatsa@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 901F16E4BF for ; Thu, 1 Nov 2018 22:28:19 +0000 (UTC) Content-Disposition: inline In-Reply-To: <20181031004517.17250-2-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 T24gVHVlLCBPY3QgMzAsIDIwMTggYXQgMDU6NDU6MTFQTSAtMDcwMCwgQW51c2hhIFNyaXZhdHNh IHdyb3RlOgo+IFNpbWlsYXIgdG8gRFNDIERQQ0QgcmVnaXN0ZXJzLCBsZXQgdXMgY2FjaGUKPiBG RUNfQ0FQQUJMRSByZWdpc3RlciB0byBhdm9pZCB1c2luZyBzdGFsZQo+IHZhbHVlcy4gV2l0aCB0 aGlzIHdlIGNhbiBhdm9pZCBhdXggcmVhZHMKPiBldmVyeXRpbWUgYW5kIGluc3RlYWQgcmVhZCB0 aGUgY2FjaGVkIHZhbHVlcy4KPiAKPiB2MjogQXZvaWQgdXNpbmcgbWVtc2V0IGFuZCBhcnJheSBm b3IgYSBzaW5nbGUKPiBmaWVsZC4gKE1hbmFzaSxKYW5pKQo+IAo+IHYzOgo+IAo+IFN1Z2dlc3Rl ZC1ieTogSmFuaSBOaWt1bGEgPGphbmkubmlrdWxhQGxpbnV4LmludGVsLmNvbT4KPiBDYzogSmFu aSBOaWt1bGEgPGphbmkubmlrdWxhQGxpbnV4LmludGVsLmNvbT4KPiBDYzogVmlsbGUgU3lyamFs YSA8dmlsbGUuc3lyamFsYUBsaW51eC5pbnRlbC5jb20+Cj4gQ2M6IE1hbmFzaSBOYXZhcmUgPG1h bmFzaS5kLm5hdmFyZUBpbnRlbC5jb20+Cj4gU2lnbmVkLW9mZi1ieTogQW51c2hhIFNyaXZhdHNh IDxhbnVzaGEuc3JpdmF0c2FAaW50ZWwuY29tPgo+IC0tLQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkx NS9pbnRlbF9kcC5jICB8IDkgKysrKysrKysrCj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVs X2Rydi5oIHwgMSArCj4gIDIgZmlsZXMgY2hhbmdlZCwgMTAgaW5zZXJ0aW9ucygrKQo+IAo+IGRp ZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jIGIvZHJpdmVycy9ncHUv ZHJtL2k5MTUvaW50ZWxfZHAuYwo+IGluZGV4IDVhNjM4NTAzZTM2YS4uOGFlN2NmM2Q0ZWUxIDEw MDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwLmMKPiArKysgYi9kcml2 ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jCj4gQEAgLTQyMDEsNiArNDIwMSw5IEBAIHN0YXRp YyB2b2lkIGludGVsX2RwX2dldF9kc2Nfc2lua19jYXAoc3RydWN0IGludGVsX2RwICppbnRlbF9k cCkKPiAgCSAqLwo+ICAJbWVtc2V0KGludGVsX2RwLT5kc2NfZHBjZCwgMCwgc2l6ZW9mKGludGVs X2RwLT5kc2NfZHBjZCkpOwo+ICAKPiArCS8qIENsZWFyIGZlY19jYXBhYmxlIHRvIGF2b2lkIHVz aW5nIHN0YWxlIHZhbHVlcyAqLwo+ICsJaW50ZWxfZHAtPmZlY19jYXBhYmxlID0gMDsKPiArCj4g IAkvKiBDYWNoZSB0aGUgRFNDIERQQ0QgaWYgZURQIG9yIERQIHJldiA+PSAxLjQgKi8KPiAgCWlm IChpbnRlbF9kcC0+ZHBjZFtEUF9EUENEX1JFVl0gPj0gMHgxNCB8fAo+ICAJICAgIGludGVsX2Rw LT5lZHBfZHBjZFswXSA+PSBEUF9FRFBfMTQpIHsKPiBAQCAtNDIxMyw2ICs0MjE2LDEyIEBAIHN0 YXRpYyB2b2lkIGludGVsX2RwX2dldF9kc2Nfc2lua19jYXAoc3RydWN0IGludGVsX2RwICppbnRl bF9kcCkKPiAgCQlEUk1fREVCVUdfS01TKCJEU0MgRFBDRDogJSpwaFxuIiwKPiAgCQkJICAgICAg KGludClzaXplb2YoaW50ZWxfZHAtPmRzY19kcGNkKSwKPiAgCQkJICAgICAgaW50ZWxfZHAtPmRz Y19kcGNkKTsKPiArCQkvKiBGRUMgaXMgc3VwcG9ydGVkIG9ubHkgb24gRFAgMS40ICovCj4gKwkJ aWYgKCFpbnRlbF9kcF9pc19lZHAoaW50ZWxfZHApKSB7Cj4gKwkJCWlmIChkcm1fZHBfZHBjZF9y ZWFkYigmaW50ZWxfZHAtPmF1eCwgRFBfRkVDX0NBUEFCSUxJVFksCj4gKwkJCQkJICAgICAgJmlu dGVsX2RwLT5mZWNfY2FwYWJsZSkgPCAwKQo+ICsJCQkJRFJNX0VSUk9SKCJGYWlsZWQgdG8gcmVh ZCBGRUMgRFBDRCByZWdpc3RlclxuIik7CgpXb3VsZCBiZSBuaWNlIHRvIHByaW50IHRoZSB2YWx1 ZSBvZiBGRUNfQ0FQQUJMRSBpbiB0aCBhYm92ZSBEUk1fREVCVUdfS01TIHJpZ2h0IGFmdGVyIERT QyBEUENELgpXaXRoIHRoYXQgY2hhbmdlOgoKUmV2aWV3ZWQtYnk6IE1hbmFzaSBOYXZhcmUgPG1h bmFzaS5kLm5hdmFyZUBpbnRlbC5jb20+CgpZb3UgY2FuIG1ha2UgdGhpcyBjaGFuZ2UsIGFkZCBt eSByLWIgLCByZWJhc2UgYW5kIHN1Ym1pdCAxc3QgYW5kIDJuZCBwYXRjaCB3aXRoIENJIHByZWZp eC4KCk1hbmFzaQoKPiArCQl9Cj4gIAl9Cj4gIH0KPiAgCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMv Z3B1L2RybS9pOTE1L2ludGVsX2Rydi5oIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHJ2 LmgKPiBpbmRleCAxNmJiYzM3NjhlMDIuLjlhOTRjNjU0NGJmNSAxMDA2NDQKPiAtLS0gYS9kcml2 ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcnYuaAo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1 L2ludGVsX2Rydi5oCj4gQEAgLTExMTksNiArMTExOSw3IEBAIHN0cnVjdCBpbnRlbF9kcCB7Cj4g IAl1aW50OF90IGRvd25zdHJlYW1fcG9ydHNbRFBfTUFYX0RPV05TVFJFQU1fUE9SVFNdOwo+ICAJ dWludDhfdCBlZHBfZHBjZFtFRFBfRElTUExBWV9DVExfQ0FQX1NJWkVdOwo+ICAJdTggZHNjX2Rw Y2RbRFBfRFNDX1JFQ0VJVkVSX0NBUF9TSVpFXTsKPiArCXU4IGZlY19jYXBhYmxlOwo+ICAJLyog c291cmNlIHJhdGVzICovCj4gIAlpbnQgbnVtX3NvdXJjZV9yYXRlczsKPiAgCWNvbnN0IGludCAq c291cmNlX3JhdGVzOwo+IC0tIAo+IDIuMTcuMQo+IApfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBs aXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1h bi9saXN0aW5mby9pbnRlbC1nZngK