From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jim Bride Subject: [PATCH v3 4/4] drm/i915/edp: Be less aggressive about changing link config on eDP Date: Tue, 11 Jul 2017 15:19:56 -0700 Message-ID: <1499811596-14634-5-git-send-email-jim.bride@linux.intel.com> References: <1499811596-14634-1-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 mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id 17BFD6E05C for ; Tue, 11 Jul 2017 22:22:27 +0000 (UTC) In-Reply-To: <1499811596-14634-1-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: Jani Nikula , Paulo Zanoni , Rodrigo Vivi List-Id: intel-gfx@lists.freedesktop.org VGhpcyBzZXQgb2YgY2hhbmdlcyBoYXMgc29tZSBoaXN0b3J5IHRvIHRoZW0uICBUaGVyZSB3ZXJl IHNldmVyYWwgYXR0ZW1wdHMKdG8gYWRkIHdoYXQgd2FzIGNhbGxlZCAiZmFzdCBsaW5rIHRyYWlu aW5nIiB0byBpOTE1LCB3aGljaCBhY3R1YWxseSB3YXNuJ3QKZmFzdCBsaW5rIHRyYWluaW5nIGFz IHBlciB0aGUgRFAgc3BlYy4gIFRoZXNlIGNoYW5nZXMgd2VyZQoKNWZhODM2YTlkODU5ICgiZHJt L2k5MTU6IERQIGxpbmsgdHJhaW5pbmcgb3B0aW1pemF0aW9uIikKNGU5NmM5Nzc0MmY0ICgiZHJt L2k5MTU6IGVEUCBsaW5rIHRyYWluaW5nIG9wdGltaXphdGlvbiIpCgp3aGljaCB3ZXJlIGV2ZW50 dWFsbHkgaGFuZC1yZXZlcnRlZCBieQoKMzQ1MTFkY2U0ICgiZHJtL2k5MTU6IFJldmVydCBEaXNw bGF5UG9ydCBmYXN0IGxpbmsgdHJhaW5pbmcgZmVhdHVyZSIpCgppbiBrZXJuZWwgNC43LXJjNC4g IFRoZSBlRFAgcGllY2VzIG9mIHRoZSBhYm92ZSByZXZlcnQsIGhvd2V2ZXIsIGhhZCBzb21lCnZl cnkgYmFkIHNpZGUtZWZmZWN0cyBvbiBQU1IgZnVuY3Rpb25hbGl0eSBvbiBTa3lsYWtlLiBUaGUg aXNzdWUgYXQKaGFuZCBpcyB0aGF0IHdoZW4gUFNSIGV4aXRzIGk5MTUgYnJpZWZseSBlbWl0cyBU UDEgZm9sbG93ZWQgYnkgVFAyLzMKKGRlcGVuZGluZyBvbiB0aGUgb3JpZ2luYWwgbGluayBjb25m aWd1cmF0aW9uKSBpbiBvcmRlciB0byBxdWlja2x5IGdldAp0aGUgc291cmNlIGFuZCBzaW5rIGJh Y2sgaW4gc3luY2hyb25pemF0aW9uIGFjcm9zcyB0aGUgbGluayBiZWZvcmUgaGFuZGluZwpjb250 cm9sIGJhY2sgdG8gdGhlIGk5MTUuICBUaGVyZSdzIGFuIGFzc3VtcHRpb24gdGhhdCBub25lIG9m IHRoZSBsaW5rCmNvbmZpZ3VyYXRpb24gaW5mb3JtYXRpb24gaGFzIGNoYW5nZWQgKGFuZCB0aHVz IGl0J3Mgc3RpbGwgdmFsaWQpIHNpbmNlIHRoZQpsYXN0IGZ1bGwgbGluayB0cmFpbmluZyBvcGVy YXRpb24uICBUaGUgcmV2ZXJ0IGFib3ZlIHdhcyBpZGVudGlmaWVkIHZpYSBhCmJpc2VjdCBhcyB0 aGUgY2F1c2Ugb2Ygc29tZSBvZiBTa3lsYWtlJ3MgUFNSIHdvZXMuICBUaGlzIHBhdGNoLCBsYXJn ZWx5CmJhc2VkIG9uCgpjb21taXQgNGU5NmM5Nzc0MmY0MjAxZWRmMWIwZjhlMWIxYjZiMmFjNmZm MzNlNwpBdXRob3I6IE1pa2EgS2Fob2xhIDxtaWthLmthaG9sYUBpbnRlbC5jb20+CkRhdGU6ICAg V2VkIEFwciAyOSAwOToxNzozOSAyMDE1ICswMzAwCmRybS9pOTE1OiBlRFAgbGluayB0cmFpbmlu ZyBvcHRpbWl6YXRpb24KCnB1dHMgdGhlIGVEUCBwb3J0aW9ucyBvZiB0aGlzIHBhdGNoIGJhY2sg aW4gcGxhY2UuICBOb25lIG9mIHRoZSBmbGlja2VyaW5nCmlzc3VlcyB0aGF0IHNwdXJyZWQgdGhl IHJldmVydCBoYXZlIGJlZW4gc2VlbiwgYW5kIEkgc3VzcGVjdCB0aGUgcmVhbApjdWxwcml0cyBo ZXJlIHdlcmUgYWRkcmVzc2VkIGJ5IHNvbWUgb2YgdGhlIHJlY2VudCBsaW5rIHRyYWluaW5nIGNo YW5nZXMKdGhhdCBNYW5hc2kgaGFzIGltcGxlbWVudGVkLCBhbmQgUFNSIG9uIFNreWxha2UgaXMg ZGVmaW5pdGVseSBtb3JlIGhhcHB5CndpdGggdGhlc2UgY2hhbmdlcyBpbi1wbGFjZS4KCnYyOiBS ZWJhc2UKCkNjOiBSb2RyaWdvIFZpdmkgPHJvZHJpZ28udml2aUBpbnRlbC5jb20+CkNjOiBQYXVs byBaYW5vbmkgPHBhdWxvLnIuemFub25pQGludGVsLmNvbT4KQ2M6IE1hbmFzaSBEIE5hdmFyZSA8 bWFuYXNpLmQubmF2YXJlQGludGVsLmNvbT4KQ2M6IE1pa2EgS2Fob2xhIDxtaWthLmthaG9sYUBp bnRlbC5jb20+CkNjOiBKYW5pIE5pa3VsYSA8amFuaS5uaWt1bGFAaW50ZWwuY29tPgpGaXhlczog MzQ1MTFkY2U0ICgiZHJtL2k5MTU6IFJldmVydCBEaXNwbGF5UG9ydCBmYXN0IGxpbmsgdHJhaW5p bmcgZmVhdHVyZSIpClNpZ25lZC1vZmYtYnk6IEppbSBCcmlkZSA8amltLmJyaWRlQGxpbnV4Lmlu dGVsLmNvbT4KLS0tCiBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jICAgICAgICAgICAg ICAgfCAgNCArKystCiBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcF9saW5rX3RyYWluaW5n LmMgfCAxMSArKysrKysrKysrLQogZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHJ2LmggICAg ICAgICAgICAgIHwgIDIgKysKIDMgZmlsZXMgY2hhbmdlZCwgMTUgaW5zZXJ0aW9ucygrKSwgMiBk ZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5j IGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHAuYwppbmRleCBlZTJhM2RiLi5iNGNiNWJh IDEwMDY0NAotLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jCisrKyBiL2RyaXZl cnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwLmMKQEAgLTEwNiw3ICsxMDYsNyBAQCBzdGF0aWMgY29u c3QgaW50IGRlZmF1bHRfcmF0ZXNbXSA9IHsgMTYyMDAwLCAyNzAwMDAsIDU0MDAwMCB9OwogICog SWYgYSBDUFUgb3IgUENIIERQIG91dHB1dCBpcyBhdHRhY2hlZCB0byBhbiBlRFAgcGFuZWwsIHRo aXMgZnVuY3Rpb24KICAqIHdpbGwgcmV0dXJuIHRydWUsIGFuZCBmYWxzZSBvdGhlcndpc2UuCiAg Ki8KLXN0YXRpYyBib29sIGlzX2VkcChzdHJ1Y3QgaW50ZWxfZHAgKmludGVsX2RwKQorYm9vbCBp c19lZHAoc3RydWN0IGludGVsX2RwICppbnRlbF9kcCkKIHsKIAlzdHJ1Y3QgaW50ZWxfZGlnaXRh bF9wb3J0ICppbnRlbF9kaWdfcG9ydCA9IGRwX3RvX2RpZ19wb3J0KGludGVsX2RwKTsKIApAQCAt NDc2NCw2ICs0NzY0LDcgQEAgaW50ZWxfZHBfbG9uZ19wdWxzZShzdHJ1Y3QgaW50ZWxfY29ubmVj dG9yICppbnRlbF9jb25uZWN0b3IpCiAJCWludGVsX2RwLT5tYXhfbGlua19yYXRlID0gaW50ZWxf ZHBfbWF4X2NvbW1vbl9yYXRlKGludGVsX2RwKTsKIAogCQlpbnRlbF9kcC0+cmVzZXRfbGlua19w YXJhbXMgPSBmYWxzZTsKKwkJaW50ZWxfZHAtPnRyYWluX3NldF92YWxpZCA9IGZhbHNlOwogCX0K IAogCWludGVsX2RwX3ByaW50X3JhdGVzKGludGVsX2RwKTsKQEAgLTYwMzcsNiArNjAzOCw3IEBA IGludGVsX2RwX2luaXRfY29ubmVjdG9yKHN0cnVjdCBpbnRlbF9kaWdpdGFsX3BvcnQgKmludGVs X2RpZ19wb3J0LAogCWludGVsX2RwX3NldF9zb3VyY2VfcmF0ZXMoaW50ZWxfZHApOwogCiAJaW50 ZWxfZHAtPnJlc2V0X2xpbmtfcGFyYW1zID0gdHJ1ZTsKKwlpbnRlbF9kcC0+dHJhaW5fc2V0X3Zh bGlkID0gZmFsc2U7CiAJaW50ZWxfZHAtPnBwc19waXBlID0gSU5WQUxJRF9QSVBFOwogCWludGVs X2RwLT5hY3RpdmVfcGlwZSA9IElOVkFMSURfUElQRTsKIApkaWZmIC0tZ2l0IGEvZHJpdmVycy9n cHUvZHJtL2k5MTUvaW50ZWxfZHBfbGlua190cmFpbmluZy5jIGIvZHJpdmVycy9ncHUvZHJtL2k5 MTUvaW50ZWxfZHBfbGlua190cmFpbmluZy5jCmluZGV4IGI3OWMxYzAuLjYwMjMzZTIgMTAwNjQ0 Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwX2xpbmtfdHJhaW5pbmcuYworKysg Yi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcF9saW5rX3RyYWluaW5nLmMKQEAgLTk0LDcg Kzk0LDggQEAgc3RhdGljIGJvb2wKIGludGVsX2RwX3Jlc2V0X2xpbmtfdHJhaW4oc3RydWN0IGlu dGVsX2RwICppbnRlbF9kcCwKIAkJCXVpbnQ4X3QgZHBfdHJhaW5fcGF0KQogewotCW1lbXNldChp bnRlbF9kcC0+dHJhaW5fc2V0LCAwLCBzaXplb2YoaW50ZWxfZHAtPnRyYWluX3NldCkpOworCWlm ICghaW50ZWxfZHAtPnRyYWluX3NldF92YWxpZCkKKwkJbWVtc2V0KGludGVsX2RwLT50cmFpbl9z ZXQsIDAsIHNpemVvZihpbnRlbF9kcC0+dHJhaW5fc2V0KSk7CiAJaW50ZWxfZHBfc2V0X3NpZ25h bF9sZXZlbHMoaW50ZWxfZHApOwogCXJldHVybiBpbnRlbF9kcF9zZXRfbGlua190cmFpbihpbnRl bF9kcCwgZHBfdHJhaW5fcGF0KTsKIH0KQEAgLTE2Miw2ICsxNjMsNyBAQCBpbnRlbF9kcF9saW5r X3RyYWluaW5nX2Nsb2NrX3JlY292ZXJ5KHN0cnVjdCBpbnRlbF9kcCAqaW50ZWxfZHApCiAJCQkJ ICAgICAgIERQX1RSQUlOSU5HX1BBVFRFUk5fMSB8CiAJCQkJICAgICAgIERQX0xJTktfU0NSQU1C TElOR19ESVNBQkxFKSkgewogCQlEUk1fRVJST1IoImZhaWxlZCB0byBlbmFibGUgbGluayB0cmFp bmluZ1xuIik7CisJCWludGVsX2RwLT50cmFpbl9zZXRfdmFsaWQgPSBmYWxzZTsKIAkJcmV0dXJu IGZhbHNlOwogCX0KIApAQCAtMTc0LDIxICsxNzYsMjUgQEAgaW50ZWxfZHBfbGlua190cmFpbmlu Z19jbG9ja19yZWNvdmVyeShzdHJ1Y3QgaW50ZWxfZHAgKmludGVsX2RwKQogCiAJCWlmICghaW50 ZWxfZHBfZ2V0X2xpbmtfc3RhdHVzKGludGVsX2RwLCBsaW5rX3N0YXR1cykpIHsKIAkJCURSTV9F UlJPUigiZmFpbGVkIHRvIGdldCBsaW5rIHN0YXR1c1xuIik7CisJCQlpbnRlbF9kcC0+dHJhaW5f c2V0X3ZhbGlkID0gZmFsc2U7CiAJCQlyZXR1cm4gZmFsc2U7CiAJCX0KIAogCQlpZiAoZHJtX2Rw X2Nsb2NrX3JlY292ZXJ5X29rKGxpbmtfc3RhdHVzLCBpbnRlbF9kcC0+bGFuZV9jb3VudCkpIHsK IAkJCURSTV9ERUJVR19LTVMoImNsb2NrIHJlY292ZXJ5IE9LXG4iKTsKKwkJCWludGVsX2RwLT50 cmFpbl9zZXRfdmFsaWQgPSBpc19lZHAoaW50ZWxfZHApOwogCQkJcmV0dXJuIHRydWU7CiAJCX0K IAogCQlpZiAodm9sdGFnZV90cmllcyA9PSA1KSB7CiAJCQlEUk1fREVCVUdfS01TKCJTYW1lIHZv bHRhZ2UgdHJpZWQgNSB0aW1lc1xuIik7CisJCQlpbnRlbF9kcC0+dHJhaW5fc2V0X3ZhbGlkID0g ZmFsc2U7CiAJCQlyZXR1cm4gZmFsc2U7CiAJCX0KIAogCQlpZiAobWF4X3Zzd2luZ190cmllcyA9 PSAxKSB7CiAJCQlEUk1fREVCVUdfS01TKCJNYXggVm9sdGFnZSBTd2luZyByZWFjaGVkXG4iKTsK KwkJCWludGVsX2RwLT50cmFpbl9zZXRfdmFsaWQgPSBmYWxzZTsKIAkJCXJldHVybiBmYWxzZTsK IAkJfQogCkBAIC0xOTgsNiArMjA0LDcgQEAgaW50ZWxfZHBfbGlua190cmFpbmluZ19jbG9ja19y ZWNvdmVyeShzdHJ1Y3QgaW50ZWxfZHAgKmludGVsX2RwKQogCQlpbnRlbF9nZXRfYWRqdXN0X3Ry YWluKGludGVsX2RwLCBsaW5rX3N0YXR1cyk7CiAJCWlmICghaW50ZWxfZHBfdXBkYXRlX2xpbmtf dHJhaW4oaW50ZWxfZHApKSB7CiAJCQlEUk1fRVJST1IoImZhaWxlZCB0byB1cGRhdGUgbGluayB0 cmFpbmluZ1xuIik7CisJCQlpbnRlbF9kcC0+dHJhaW5fc2V0X3ZhbGlkID0gZmFsc2U7CiAJCQly ZXR1cm4gZmFsc2U7CiAJCX0KIApAQCAtMjU2LDYgKzI2Myw3IEBAIGludGVsX2RwX2xpbmtfdHJh aW5pbmdfY2hhbm5lbF9lcXVhbGl6YXRpb24oc3RydWN0IGludGVsX2RwICppbnRlbF9kcCkKIAkJ CQkgICAgIHRyYWluaW5nX3BhdHRlcm4gfAogCQkJCSAgICAgRFBfTElOS19TQ1JBTUJMSU5HX0RJ U0FCTEUpKSB7CiAJCURSTV9FUlJPUigiZmFpbGVkIHRvIHN0YXJ0IGNoYW5uZWwgZXF1YWxpemF0 aW9uXG4iKTsKKwkJaW50ZWxfZHAtPnRyYWluX3NldF92YWxpZCA9IGZhbHNlOwogCQlyZXR1cm4g ZmFsc2U7CiAJfQogCkBAIC0yOTYsNiArMzA0LDcgQEAgaW50ZWxfZHBfbGlua190cmFpbmluZ19j aGFubmVsX2VxdWFsaXphdGlvbihzdHJ1Y3QgaW50ZWxfZHAgKmludGVsX2RwKQogCS8qIFRyeSA1 IHRpbWVzLCBlbHNlIGZhaWwgYW5kIHRyeSBhdCBsb3dlciBCVyAqLwogCWlmICh0cmllcyA9PSA1 KSB7CiAJCWludGVsX2RwX2R1bXBfbGlua19zdGF0dXMobGlua19zdGF0dXMpOworCQlpbnRlbF9k cC0+dHJhaW5fc2V0X3ZhbGlkID0gZmFsc2U7CiAJCURSTV9ERUJVR19LTVMoIkNoYW5uZWwgZXF1 YWxpemF0aW9uIGZhaWxlZCA1IHRpbWVzXG4iKTsKIAl9CiAKZGlmZiAtLWdpdCBhL2RyaXZlcnMv Z3B1L2RybS9pOTE1L2ludGVsX2Rydi5oIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHJ2 LmgKaW5kZXggMGMxNGIwNS4uYTFiNGI1ZCAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5 MTUvaW50ZWxfZHJ2LmgKKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHJ2LmgKQEAg LTk5Niw2ICs5OTYsNyBAQCBzdHJ1Y3QgaW50ZWxfZHAgewogCXN0cnVjdCBkcm1fZHBfYXV4IGF1 eDsKIAllbnVtIGludGVsX2Rpc3BsYXlfcG93ZXJfZG9tYWluIGF1eF9wb3dlcl9kb21haW47CiAJ dWludDhfdCB0cmFpbl9zZXRbNF07CisJYm9vbCB0cmFpbl9zZXRfdmFsaWQ7CiAJaW50IHBhbmVs X3Bvd2VyX3VwX2RlbGF5OwogCWludCBwYW5lbF9wb3dlcl9kb3duX2RlbGF5OwogCWludCBwYW5l bF9wb3dlcl9jeWNsZV9kZWxheTsKQEAgLTE1NzEsNiArMTU3Miw3IEBAIHN0YXRpYyBpbmxpbmUg dW5zaWduZWQgaW50IGludGVsX2RwX3VudXNlZF9sYW5lX21hc2soaW50IGxhbmVfY291bnQpCiB9 CiAKIGJvb2wgaW50ZWxfZHBfcmVhZF9kcGNkKHN0cnVjdCBpbnRlbF9kcCAqaW50ZWxfZHApOwor Ym9vbCBpc19lZHAoc3RydWN0IGludGVsX2RwICppbnRlbF9kcCk7CiBpbnQgaW50ZWxfZHBfbGlu a19yZXF1aXJlZChpbnQgcGl4ZWxfY2xvY2ssIGludCBicHApOwogaW50IGludGVsX2RwX21heF9k YXRhX3JhdGUoaW50IG1heF9saW5rX2Nsb2NrLCBpbnQgbWF4X2xhbmVzKTsKIGJvb2wgaW50ZWxf ZGlnaXRhbF9wb3J0X2Nvbm5lY3RlZChzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYs Ci0tIAoyLjcuNAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3Jn Cmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4 Cg==