From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jim Bride Subject: [PATCH v5] drm/i915/edp: Be less aggressive about changing link config on eDP Date: Wed, 9 Aug 2017 14:21:07 -0700 Message-ID: <1502313667-18127-1-git-send-email-jim.bride@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 09C3B6E416 for ; Wed, 9 Aug 2017 21:23:52 +0000 (UTC) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: intel-gfx@lists.freedesktop.org Cc: Paulo Zanoni , Jani Nikula , Rodrigo Vivi List-Id: intel-gfx@lists.freedesktop.org VGhpcyBzZXQgb2YgY2hhbmdlcyBoYXMgc29tZSBoaXN0b3J5IHRvIHRoZW0uICBUaGVyZSB3ZXJl IHNldmVyYWwgYXR0ZW1wdHMKdG8gYWRkIHdoYXQgd2FzIGNhbGxlZCAiZmFzdCBsaW5rIHRyYWlu aW5nIiB0byBpOTE1LCB3aGljaCBhY3R1YWxseSB3YXNuJ3QKZmFzdCBsaW5rIHRyYWluaW5nIGFz IHBlciB0aGUgRFAgc3BlYy4gIFRoZXNlIGNoYW5nZXMgd2VyZToKCmNvbW1pdCA1ZmE4MzZhOWQ4 NTkgKCJkcm0vaTkxNTogRFAgbGluayB0cmFpbmluZyBvcHRpbWl6YXRpb24iKQpjb21taXQgNGU5 NmM5Nzc0MmY0ICgiZHJtL2k5MTU6IGVEUCBsaW5rIHRyYWluaW5nIG9wdGltaXphdGlvbiIpCgp3 aGljaCB3ZXJlIGV2ZW50dWFsbHkgaGFuZC1yZXZlcnRlZCBieToKCmNvbW1pdCAzNDUxMWRjZTRi MzUgKCJkcm0vaTkxNTogUmV2ZXJ0IERpc3BsYXlQb3J0IGZhc3QgbGluayB0cmFpbmluZwogICAg ICAgICAgICAgICAgICAgICBmZWF0dXJlIikKCmluIGtlcm5lbCA0LjctcmM0LiAgVGhlIGVEUCBw aWVjZXMgb2YgdGhlIGFib3ZlIHJldmVydCwgaG93ZXZlciwgaGFkIHNvbWUKdmVyeSBiYWQgc2lk ZS1lZmZlY3RzIG9uIFBTUiBmdW5jdGlvbmFsaXR5IG9uIFNreWxha2UuIFRoZSBpc3N1ZSBhdApo YW5kIGlzIHRoYXQgd2hlbiBQU1IgZXhpdHMgaTkxNSBicmllZmx5IGVtaXRzIFRQMSBmb2xsb3dl ZCBieSBUUDIvMwooZGVwZW5kaW5nIG9uIHRoZSBvcmlnaW5hbCBsaW5rIGNvbmZpZ3VyYXRpb24p IGluIG9yZGVyIHRvIHF1aWNrbHkgZ2V0CnRoZSBzb3VyY2UgYW5kIHNpbmsgYmFjayBpbiBzeW5j aHJvbml6YXRpb24gYWNyb3NzIHRoZSBsaW5rIGJlZm9yZSBoYW5kaW5nCmNvbnRyb2wgYmFjayB0 byB0aGUgaTkxNS4gIFRoZXJlJ3MgYW4gYXNzdW1wdGlvbiB0aGF0IG5vbmUgb2YgdGhlIGxpbmsK Y29uZmlndXJhdGlvbiBpbmZvcm1hdGlvbiBoYXMgY2hhbmdlZCAoYW5kIHRodXMgaXQncyBzdGls bCB2YWxpZCkgc2luY2UgdGhlCmxhc3QgZnVsbCBsaW5rIHRyYWluaW5nIG9wZXJhdGlvbi4gIFRo ZSByZXZlcnQgYWJvdmUgd2FzIGlkZW50aWZpZWQgdmlhIGEKYmlzZWN0IGFzIHRoZSBjYXVzZSBv ZiBzb21lIG9mIFNreWxha2UncyBQU1Igd29lcy4gIFRoaXMgcGF0Y2gsIGxhcmdlbHkKYmFzZWQg b24gY29tbWl0IDRlOTZjOTc3NDJmNCAoImRybS9pOTE1OiBlRFAgbGluayB0cmFpbmluZyBvcHRp bWl6YXRpb24iKQpwdXRzIHRoZSBlRFAgcG9ydGlvbnMgb2YgdGhpcyBwYXRjaCBiYWNrIGluIHBs YWNlLiAgTm9uZSBvZiB0aGUgZmxpY2tlcmluZwppc3N1ZXMgdGhhdCBzcHVycmVkIHRoZSByZXZl cnQgaGF2ZSBiZWVuIHNlZW4sIGFuZCBJIHN1c3BlY3QgdGhlIHJlYWwKY3VscHJpdHMgaGVyZSB3 ZXJlIGFkZHJlc3NlZCBieSBzb21lIG9mIHRoZSByZWNlbnQgbGluayB0cmFpbmluZyBjaGFuZ2Vz CnRoYXQgTWFuYXNpIGhhcyBpbXBsZW1lbnRlZCwgYW5kIFBTUiBvbiBTa3lsYWtlIGlzIGRlZmlu aXRlbHkgbW9yZSBoYXBweQp3aXRoIHRoZXNlIGNoYW5nZXMgaW4tcGxhY2UuCgp2MiBhbmQgdjM6 IFJlYmFzZQp2NDogKiBDbGVhbiB1cCBhY2Nlc3NlcyB0byB0cmFpbl9zZXRfdmFsaWQgYSBiaXQg Zm9yIGVhc2llcgogICAgICByZWFkaW5nLiAoQ2hyaXMpCiAgICAqIFJlYmFzZQp2NTogKiBDaGVj a3BhdGNoIGNsZWFudXAKICAgICogUmViYXNlCgpDYzogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJp cy13aWxzb24uY28udWs+CkNjOiBSb2RyaWdvIFZpdmkgPHJvZHJpZ28udml2aUBpbnRlbC5jb20+ CkNjOiBQYXVsbyBaYW5vbmkgPHBhdWxvLnIuemFub25pQGludGVsLmNvbT4KQ2M6IE1hbmFzaSBE IE5hdmFyZSA8bWFuYXNpLmQubmF2YXJlQGludGVsLmNvbT4KQ2M6IE1pa2EgS2Fob2xhIDxtaWth LmthaG9sYUBpbnRlbC5jb20+CkNjOiBKYW5pIE5pa3VsYSA8amFuaS5uaWt1bGFAaW50ZWwuY29t PgpGaXhlczogMzQ1MTFkY2U0ICgiZHJtL2k5MTU6IFJldmVydCBEaXNwbGF5UG9ydCBmYXN0IGxp bmsgdHJhaW5pbmcgZmVhdHVyZSIpClNpZ25lZC1vZmYtYnk6IEppbSBCcmlkZSA8amltLmJyaWRl QGxpbnV4LmludGVsLmNvbT4KLS0tCiBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jICAg ICAgICAgICAgICAgfCAgNCArKystCiBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcF9saW5r X3RyYWluaW5nLmMgfCAxNSArKysrKysrKysrKysrKy0KIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2lu dGVsX2Rydi5oICAgICAgICAgICAgICB8ICAyICsrCiAzIGZpbGVzIGNoYW5nZWQsIDE5IGluc2Vy dGlvbnMoKyksIDIgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5 MTUvaW50ZWxfZHAuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwLmMKaW5kZXggNzZj OGEwYi4uNGJkNDA5YyAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHAu YworKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jCkBAIC0xMDYsNyArMTA2LDcg QEAgc3RhdGljIGNvbnN0IGludCBkZWZhdWx0X3JhdGVzW10gPSB7IDE2MjAwMCwgMjcwMDAwLCA1 NDAwMDAgfTsKICAqIElmIGEgQ1BVIG9yIFBDSCBEUCBvdXRwdXQgaXMgYXR0YWNoZWQgdG8gYW4g ZURQIHBhbmVsLCB0aGlzIGZ1bmN0aW9uCiAgKiB3aWxsIHJldHVybiB0cnVlLCBhbmQgZmFsc2Ug b3RoZXJ3aXNlLgogICovCi1zdGF0aWMgYm9vbCBpc19lZHAoc3RydWN0IGludGVsX2RwICppbnRl bF9kcCkKK2Jvb2wgaXNfZWRwKHN0cnVjdCBpbnRlbF9kcCAqaW50ZWxfZHApCiB7CiAJc3RydWN0 IGludGVsX2RpZ2l0YWxfcG9ydCAqaW50ZWxfZGlnX3BvcnQgPSBkcF90b19kaWdfcG9ydChpbnRl bF9kcCk7CiAKQEAgLTQ3MTEsNiArNDcxMSw3IEBAIGludGVsX2RwX2xvbmdfcHVsc2Uoc3RydWN0 IGludGVsX2Nvbm5lY3RvciAqaW50ZWxfY29ubmVjdG9yKQogCQlpbnRlbF9kcC0+bWF4X2xpbmtf cmF0ZSA9IGludGVsX2RwX21heF9jb21tb25fcmF0ZShpbnRlbF9kcCk7CiAKIAkJaW50ZWxfZHAt PnJlc2V0X2xpbmtfcGFyYW1zID0gZmFsc2U7CisJCWludGVsX2RwLT50cmFpbl9zZXRfdmFsaWQg PSBmYWxzZTsKIAl9CiAKIAlpbnRlbF9kcF9wcmludF9yYXRlcyhpbnRlbF9kcCk7CkBAIC01OTc5 LDYgKzU5ODAsNyBAQCBpbnRlbF9kcF9pbml0X2Nvbm5lY3RvcihzdHJ1Y3QgaW50ZWxfZGlnaXRh bF9wb3J0ICppbnRlbF9kaWdfcG9ydCwKIAlpbnRlbF9kcF9zZXRfc291cmNlX3JhdGVzKGludGVs X2RwKTsKIAogCWludGVsX2RwLT5yZXNldF9saW5rX3BhcmFtcyA9IHRydWU7CisJaW50ZWxfZHAt PnRyYWluX3NldF92YWxpZCA9IGZhbHNlOwogCWludGVsX2RwLT5wcHNfcGlwZSA9IElOVkFMSURf UElQRTsKIAlpbnRlbF9kcC0+YWN0aXZlX3BpcGUgPSBJTlZBTElEX1BJUEU7CiAKZGlmZiAtLWdp dCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwX2xpbmtfdHJhaW5pbmcuYyBiL2RyaXZl cnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwX2xpbmtfdHJhaW5pbmcuYwppbmRleCAwNTkwN2ZhLi42 NzAzMmNmIDEwMDY0NAotLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcF9saW5rX3Ry YWluaW5nLmMKKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHBfbGlua190cmFpbmlu Zy5jCkBAIC05NCw3ICs5NCw4IEBAIHN0YXRpYyBib29sCiBpbnRlbF9kcF9yZXNldF9saW5rX3Ry YWluKHN0cnVjdCBpbnRlbF9kcCAqaW50ZWxfZHAsCiAJCQl1aW50OF90IGRwX3RyYWluX3BhdCkK IHsKLQltZW1zZXQoaW50ZWxfZHAtPnRyYWluX3NldCwgMCwgc2l6ZW9mKGludGVsX2RwLT50cmFp bl9zZXQpKTsKKwlpZiAoIWludGVsX2RwLT50cmFpbl9zZXRfdmFsaWQpCisJCW1lbXNldChpbnRl bF9kcC0+dHJhaW5fc2V0LCAwLCBzaXplb2YoaW50ZWxfZHAtPnRyYWluX3NldCkpOwogCWludGVs X2RwX3NldF9zaWduYWxfbGV2ZWxzKGludGVsX2RwKTsKIAlyZXR1cm4gaW50ZWxfZHBfc2V0X2xp bmtfdHJhaW4oaW50ZWxfZHAsIGRwX3RyYWluX3BhdCk7CiB9CkBAIC0xNjIsOSArMTYzLDE4IEBA IGludGVsX2RwX2xpbmtfdHJhaW5pbmdfY2xvY2tfcmVjb3Zlcnkoc3RydWN0IGludGVsX2RwICpp bnRlbF9kcCkKIAkJCQkgICAgICAgRFBfVFJBSU5JTkdfUEFUVEVSTl8xIHwKIAkJCQkgICAgICAg RFBfTElOS19TQ1JBTUJMSU5HX0RJU0FCTEUpKSB7CiAJCURSTV9FUlJPUigiZmFpbGVkIHRvIGVu YWJsZSBsaW5rIHRyYWluaW5nXG4iKTsKKwkJaW50ZWxfZHAtPnRyYWluX3NldF92YWxpZCA9IGZh bHNlOwogCQlyZXR1cm4gZmFsc2U7CiAJfQogCisJLyoKKwkgKiBUaGUgaW5pdGlhbCBzZXQgb2Yg bGluayBwYXJhbWV0ZXJzIGFyZSBzZXQgYnkgdGhpcyBwb2ludCwgc28gZ28KKwkgKiBhaGVhZCBh bmQgc2V0IGludGVsX2RwLT50cmFpbl9zZXRfdmFsaWQgdG8gZmFsc2UgaW4gY2FzZSBhbnkgb2YK KwkgKiB0aGUgc3VjY2VlZGluZyBzdGVwcyBmYWlsLiAgSXQgd2lsbCBiZSBzZXQgYmFjayB0byB0 cnVlIGlmIHdlIHdlcmUKKwkgKiBhYmxlIHRvIGFjaGlldmUgY2xvY2sgcmVjb3ZlcnkgaW4gdGhl IHNwZWNpZmllZCBjb25maWd1cmF0aW9uLgorCSAqLworCWludGVsX2RwLT50cmFpbl9zZXRfdmFs aWQgPSBmYWxzZTsKKwogCXZvbHRhZ2VfdHJpZXMgPSAxOwogCW1heF92c3dpbmdfdHJpZXMgPSAw OwogCWZvciAoOzspIHsKQEAgLTE3OSw2ICsxODksNyBAQCBpbnRlbF9kcF9saW5rX3RyYWluaW5n X2Nsb2NrX3JlY292ZXJ5KHN0cnVjdCBpbnRlbF9kcCAqaW50ZWxfZHApCiAKIAkJaWYgKGRybV9k cF9jbG9ja19yZWNvdmVyeV9vayhsaW5rX3N0YXR1cywgaW50ZWxfZHAtPmxhbmVfY291bnQpKSB7 CiAJCQlEUk1fREVCVUdfS01TKCJjbG9jayByZWNvdmVyeSBPS1xuIik7CisJCQlpbnRlbF9kcC0+ dHJhaW5fc2V0X3ZhbGlkID0gaXNfZWRwKGludGVsX2RwKTsKIAkJCXJldHVybiB0cnVlOwogCQl9 CiAKQEAgLTI1Niw2ICsyNjcsNyBAQCBpbnRlbF9kcF9saW5rX3RyYWluaW5nX2NoYW5uZWxfZXF1 YWxpemF0aW9uKHN0cnVjdCBpbnRlbF9kcCAqaW50ZWxfZHApCiAJCQkJICAgICB0cmFpbmluZ19w YXR0ZXJuIHwKIAkJCQkgICAgIERQX0xJTktfU0NSQU1CTElOR19ESVNBQkxFKSkgewogCQlEUk1f RVJST1IoImZhaWxlZCB0byBzdGFydCBjaGFubmVsIGVxdWFsaXphdGlvblxuIik7CisJCWludGVs X2RwLT50cmFpbl9zZXRfdmFsaWQgPSBmYWxzZTsKIAkJcmV0dXJuIGZhbHNlOwogCX0KIApAQCAt Mjk2LDYgKzMwOCw3IEBAIGludGVsX2RwX2xpbmtfdHJhaW5pbmdfY2hhbm5lbF9lcXVhbGl6YXRp b24oc3RydWN0IGludGVsX2RwICppbnRlbF9kcCkKIAkvKiBUcnkgNSB0aW1lcywgZWxzZSBmYWls IGFuZCB0cnkgYXQgbG93ZXIgQlcgKi8KIAlpZiAodHJpZXMgPT0gNSkgewogCQlpbnRlbF9kcF9k dW1wX2xpbmtfc3RhdHVzKGxpbmtfc3RhdHVzKTsKKwkJaW50ZWxfZHAtPnRyYWluX3NldF92YWxp ZCA9IGZhbHNlOwogCQlEUk1fREVCVUdfS01TKCJDaGFubmVsIGVxdWFsaXphdGlvbiBmYWlsZWQg NSB0aW1lc1xuIik7CiAJfQogCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRl bF9kcnYuaCBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rydi5oCmluZGV4IGY5MWRlOWMu Ljc5MmJmNTQ3IDEwMDY0NAotLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcnYuaAor KysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcnYuaApAQCAtOTk0LDYgKzk5NCw3IEBA IHN0cnVjdCBpbnRlbF9kcCB7CiAJc3RydWN0IGRybV9kcF9hdXggYXV4OwogCWVudW0gaW50ZWxf ZGlzcGxheV9wb3dlcl9kb21haW4gYXV4X3Bvd2VyX2RvbWFpbjsKIAl1aW50OF90IHRyYWluX3Nl dFs0XTsKKwlib29sIHRyYWluX3NldF92YWxpZDsKIAlpbnQgcGFuZWxfcG93ZXJfdXBfZGVsYXk7 CiAJaW50IHBhbmVsX3Bvd2VyX2Rvd25fZGVsYXk7CiAJaW50IHBhbmVsX3Bvd2VyX2N5Y2xlX2Rl bGF5OwpAQCAtMTU0OCw2ICsxNTQ5LDcgQEAgc3RhdGljIGlubGluZSB1bnNpZ25lZCBpbnQgaW50 ZWxfZHBfdW51c2VkX2xhbmVfbWFzayhpbnQgbGFuZV9jb3VudCkKIH0KIAogYm9vbCBpbnRlbF9k cF9yZWFkX2RwY2Qoc3RydWN0IGludGVsX2RwICppbnRlbF9kcCk7Citib29sIGlzX2VkcChzdHJ1 Y3QgaW50ZWxfZHAgKmludGVsX2RwKTsKIGludCBpbnRlbF9kcF9saW5rX3JlcXVpcmVkKGludCBw aXhlbF9jbG9jaywgaW50IGJwcCk7CiBpbnQgaW50ZWxfZHBfbWF4X2RhdGFfcmF0ZShpbnQgbWF4 X2xpbmtfY2xvY2ssIGludCBtYXhfbGFuZXMpOwogYm9vbCBpbnRlbF9kaWdpdGFsX3BvcnRfY29u bmVjdGVkKHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdiwKLS0gCjIuNy40CgpfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFp bGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5m cmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK