From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jim Bride Subject: [PATCH v7] drm/i915/edp: Be less aggressive about changing link config on eDP Date: Tue, 22 Aug 2017 09:34:46 -0700 Message-ID: <1503419686-9558-1-git-send-email-jim.bride@linux.intel.com> References: <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 mga06.intel.com (mga06.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4A5A589CA8 for ; Tue, 22 Aug 2017 16:37:30 +0000 (UTC) In-Reply-To: <1502313667-18127-1-git-send-email-jim.bride@linux.intel.com> 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 a3BhdGNoIGNsZWFudXAKICAgICogUmViYXNlCnY2OiAqIGlzX2VkcCgpID0+IGludGVsX2RwX2lz X2VkcCgpCiAgICAqIHJlYmFzZQp2NzogKiBSZW1vdmUgZXh0cmFuZW91cyBpc19lZHAoKSBwcm90 b3R5cGUgKFJvZHJpZ28pCgpDYzogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28u dWs+CkNjOiBSb2RyaWdvIFZpdmkgPHJvZHJpZ28udml2aUBpbnRlbC5jb20+CkNjOiBQYXVsbyBa YW5vbmkgPHBhdWxvLnIuemFub25pQGludGVsLmNvbT4KQ2M6IE1hbmFzaSBEIE5hdmFyZSA8bWFu YXNpLmQubmF2YXJlQGludGVsLmNvbT4KQ2M6IE1pa2EgS2Fob2xhIDxtaWthLmthaG9sYUBpbnRl bC5jb20+CkNjOiBKYW5pIE5pa3VsYSA8amFuaS5uaWt1bGFAaW50ZWwuY29tPgpGaXhlczogMzQ1 MTFkY2U0ICgiZHJtL2k5MTU6IFJldmVydCBEaXNwbGF5UG9ydCBmYXN0IGxpbmsgdHJhaW5pbmcg ZmVhdHVyZSIpClNpZ25lZC1vZmYtYnk6IEppbSBCcmlkZSA8amltLmJyaWRlQGxpbnV4LmludGVs LmNvbT4KLS0tCiBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jICAgICAgICAgICAgICAg fCAgMiArKwogZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHBfbGlua190cmFpbmluZy5jIHwg MTUgKysrKysrKysrKysrKystCiBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcnYuaCAgICAg ICAgICAgICAgfCAgMSArCiAzIGZpbGVzIGNoYW5nZWQsIDE3IGluc2VydGlvbnMoKyksIDEgZGVs ZXRpb24oLSkKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jIGIv ZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHAuYwppbmRleCBlMzg1NjU4Li4zOGJjN2UwIDEw MDY0NAotLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jCisrKyBiL2RyaXZlcnMv Z3B1L2RybS9pOTE1L2ludGVsX2RwLmMKQEAgLTQ3NTAsNiArNDc1MCw3IEBAIGludGVsX2RwX2xv bmdfcHVsc2Uoc3RydWN0IGludGVsX2Nvbm5lY3RvciAqaW50ZWxfY29ubmVjdG9yKQogCQlpbnRl bF9kcC0+bWF4X2xpbmtfcmF0ZSA9IGludGVsX2RwX21heF9jb21tb25fcmF0ZShpbnRlbF9kcCk7 CiAKIAkJaW50ZWxfZHAtPnJlc2V0X2xpbmtfcGFyYW1zID0gZmFsc2U7CisJCWludGVsX2RwLT50 cmFpbl9zZXRfdmFsaWQgPSBmYWxzZTsKIAl9CiAKIAlpbnRlbF9kcF9wcmludF9yYXRlcyhpbnRl bF9kcCk7CkBAIC02MDE5LDYgKzYwMjAsNyBAQCBpbnRlbF9kcF9pbml0X2Nvbm5lY3RvcihzdHJ1 Y3QgaW50ZWxfZGlnaXRhbF9wb3J0ICppbnRlbF9kaWdfcG9ydCwKIAlpbnRlbF9kcF9zZXRfc291 cmNlX3JhdGVzKGludGVsX2RwKTsKIAogCWludGVsX2RwLT5yZXNldF9saW5rX3BhcmFtcyA9IHRy dWU7CisJaW50ZWxfZHAtPnRyYWluX3NldF92YWxpZCA9IGZhbHNlOwogCWludGVsX2RwLT5wcHNf cGlwZSA9IElOVkFMSURfUElQRTsKIAlpbnRlbF9kcC0+YWN0aXZlX3BpcGUgPSBJTlZBTElEX1BJ UEU7CiAKZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwX2xpbmtfdHJh aW5pbmcuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwX2xpbmtfdHJhaW5pbmcuYwpp bmRleCAwNTkwN2ZhLi43OWZlMzY5IDEwMDY0NAotLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9p bnRlbF9kcF9saW5rX3RyYWluaW5nLmMKKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxf ZHBfbGlua190cmFpbmluZy5jCkBAIC05NCw3ICs5NCw4IEBAIHN0YXRpYyBib29sCiBpbnRlbF9k cF9yZXNldF9saW5rX3RyYWluKHN0cnVjdCBpbnRlbF9kcCAqaW50ZWxfZHAsCiAJCQl1aW50OF90 IGRwX3RyYWluX3BhdCkKIHsKLQltZW1zZXQoaW50ZWxfZHAtPnRyYWluX3NldCwgMCwgc2l6ZW9m KGludGVsX2RwLT50cmFpbl9zZXQpKTsKKwlpZiAoIWludGVsX2RwLT50cmFpbl9zZXRfdmFsaWQp CisJCW1lbXNldChpbnRlbF9kcC0+dHJhaW5fc2V0LCAwLCBzaXplb2YoaW50ZWxfZHAtPnRyYWlu X3NldCkpOwogCWludGVsX2RwX3NldF9zaWduYWxfbGV2ZWxzKGludGVsX2RwKTsKIAlyZXR1cm4g aW50ZWxfZHBfc2V0X2xpbmtfdHJhaW4oaW50ZWxfZHAsIGRwX3RyYWluX3BhdCk7CiB9CkBAIC0x NjIsOSArMTYzLDE4IEBAIGludGVsX2RwX2xpbmtfdHJhaW5pbmdfY2xvY2tfcmVjb3Zlcnkoc3Ry dWN0IGludGVsX2RwICppbnRlbF9kcCkKIAkJCQkgICAgICAgRFBfVFJBSU5JTkdfUEFUVEVSTl8x IHwKIAkJCQkgICAgICAgRFBfTElOS19TQ1JBTUJMSU5HX0RJU0FCTEUpKSB7CiAJCURSTV9FUlJP UigiZmFpbGVkIHRvIGVuYWJsZSBsaW5rIHRyYWluaW5nXG4iKTsKKwkJaW50ZWxfZHAtPnRyYWlu X3NldF92YWxpZCA9IGZhbHNlOwogCQlyZXR1cm4gZmFsc2U7CiAJfQogCisJLyoKKwkgKiBUaGUg aW5pdGlhbCBzZXQgb2YgbGluayBwYXJhbWV0ZXJzIGFyZSBzZXQgYnkgdGhpcyBwb2ludCwgc28g Z28KKwkgKiBhaGVhZCBhbmQgc2V0IGludGVsX2RwLT50cmFpbl9zZXRfdmFsaWQgdG8gZmFsc2Ug aW4gY2FzZSBhbnkgb2YKKwkgKiB0aGUgc3VjY2VlZGluZyBzdGVwcyBmYWlsLiAgSXQgd2lsbCBi ZSBzZXQgYmFjayB0byB0cnVlIGlmIHdlIHdlcmUKKwkgKiBhYmxlIHRvIGFjaGlldmUgY2xvY2sg cmVjb3ZlcnkgaW4gdGhlIHNwZWNpZmllZCBjb25maWd1cmF0aW9uLgorCSAqLworCWludGVsX2Rw LT50cmFpbl9zZXRfdmFsaWQgPSBmYWxzZTsKKwogCXZvbHRhZ2VfdHJpZXMgPSAxOwogCW1heF92 c3dpbmdfdHJpZXMgPSAwOwogCWZvciAoOzspIHsKQEAgLTE3OSw2ICsxODksNyBAQCBpbnRlbF9k cF9saW5rX3RyYWluaW5nX2Nsb2NrX3JlY292ZXJ5KHN0cnVjdCBpbnRlbF9kcCAqaW50ZWxfZHAp CiAKIAkJaWYgKGRybV9kcF9jbG9ja19yZWNvdmVyeV9vayhsaW5rX3N0YXR1cywgaW50ZWxfZHAt PmxhbmVfY291bnQpKSB7CiAJCQlEUk1fREVCVUdfS01TKCJjbG9jayByZWNvdmVyeSBPS1xuIik7 CisJCQlpbnRlbF9kcC0+dHJhaW5fc2V0X3ZhbGlkID0gaW50ZWxfZHBfaXNfZWRwKGludGVsX2Rw KTsKIAkJCXJldHVybiB0cnVlOwogCQl9CiAKQEAgLTI1Niw2ICsyNjcsNyBAQCBpbnRlbF9kcF9s aW5rX3RyYWluaW5nX2NoYW5uZWxfZXF1YWxpemF0aW9uKHN0cnVjdCBpbnRlbF9kcCAqaW50ZWxf ZHApCiAJCQkJICAgICB0cmFpbmluZ19wYXR0ZXJuIHwKIAkJCQkgICAgIERQX0xJTktfU0NSQU1C TElOR19ESVNBQkxFKSkgewogCQlEUk1fRVJST1IoImZhaWxlZCB0byBzdGFydCBjaGFubmVsIGVx dWFsaXphdGlvblxuIik7CisJCWludGVsX2RwLT50cmFpbl9zZXRfdmFsaWQgPSBmYWxzZTsKIAkJ cmV0dXJuIGZhbHNlOwogCX0KIApAQCAtMjk2LDYgKzMwOCw3IEBAIGludGVsX2RwX2xpbmtfdHJh aW5pbmdfY2hhbm5lbF9lcXVhbGl6YXRpb24oc3RydWN0IGludGVsX2RwICppbnRlbF9kcCkKIAkv KiBUcnkgNSB0aW1lcywgZWxzZSBmYWlsIGFuZCB0cnkgYXQgbG93ZXIgQlcgKi8KIAlpZiAodHJp ZXMgPT0gNSkgewogCQlpbnRlbF9kcF9kdW1wX2xpbmtfc3RhdHVzKGxpbmtfc3RhdHVzKTsKKwkJ aW50ZWxfZHAtPnRyYWluX3NldF92YWxpZCA9IGZhbHNlOwogCQlEUk1fREVCVUdfS01TKCJDaGFu bmVsIGVxdWFsaXphdGlvbiBmYWlsZWQgNSB0aW1lc1xuIik7CiAJfQogCmRpZmYgLS1naXQgYS9k cml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcnYuaCBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2lu dGVsX2Rydi5oCmluZGV4IDI5NDBkMzkuLmY0MzU0ZWMgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1 L2RybS9pOTE1L2ludGVsX2Rydi5oCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Ry di5oCkBAIC05OTUsNiArOTk1LDcgQEAgc3RydWN0IGludGVsX2RwIHsKIAlzdHJ1Y3QgZHJtX2Rw X2F1eCBhdXg7CiAJZW51bSBpbnRlbF9kaXNwbGF5X3Bvd2VyX2RvbWFpbiBhdXhfcG93ZXJfZG9t YWluOwogCXVpbnQ4X3QgdHJhaW5fc2V0WzRdOworCWJvb2wgdHJhaW5fc2V0X3ZhbGlkOwogCWlu dCBwYW5lbF9wb3dlcl91cF9kZWxheTsKIAlpbnQgcGFuZWxfcG93ZXJfZG93bl9kZWxheTsKIAlp bnQgcGFuZWxfcG93ZXJfY3ljbGVfZGVsYXk7Ci0tIAoyLjcuNAoKX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRl bC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3Jn L21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==