From mboxrd@z Thu Jan 1 00:00:00 1970 From: clinton.a.taylor@intel.com Subject: [PATCH] drm/i915/hdmi: Detect HDMI 2.0 monitors using multiple EDID capabilities Date: Wed, 17 Oct 2018 16:10:34 -0700 Message-ID: <1539817834-23408-1-git-send-email-clinton.a.taylor@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by gabe.freedesktop.org (Postfix) with ESMTPS id 159BC6E42A for ; Wed, 17 Oct 2018 23:09:36 +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 List-Id: intel-gfx@lists.freedesktop.org RnJvbTogQ2xpbnQgVGF5bG9yIDxjbGludG9uLmEudGF5bG9yQGludGVsLmNvbT4KCkhETUkgMi4w IG1vbml0b3JzIG1heSBub3Qgc3VwcG9ydCBTQ0RDIGFuZCBzdGlsbCBiZSBhYmxlIHRvIGFjY2Vw dCBWSUNzCmFib3ZlIDYzLiBVc2UgbXVsdGlwbGUgRURJRCBjYXBiaWxpdGllcyB0byBkZXRlcm1p bmUgaWYgdGhlIFNJTksgaXMKYWN0dWFsbHkgYW4gSERNSSAyLjAgZGV2aWNlLiBUaGUgUUQ5ODBC IEhETUkgMi4wIEFuYWx5emVyIGdlbmVyYXRlcyB1bmlxdWUKRURJRHMgZHVyaW5nIENUUyB0ZXN0 cyB0aGF0IGRvbid0IGNvbnRhaW4gYSBIRE1JIEZvcnVtIFZTREIgaWYgdGhlIGJsb2NrIGlzCm5v dCB1c2VkIGR1cmluZyB0aGUgdGVzdC4gVGhlIGN1cnJlbnQgSERNSSBBVkkgaW5mb2ZyYW1lIGNv ZGUgb25seSB1c2VzIHRoZQpTQ0RDIHN1cHBvcnRlZCBpbmZvcm1hdGlvbiBpbiB0aGUgSERNSSBG b3J1bSBWU0RCIHRvIGRldGVybWluZSBpZiB0aGUgc2luawppcyBIRE1JIDIuMC4gVGhpcyBwYXRj aCBhZGRzIGNoZWNrcyBmb3IgWUNiQ3I0MjAgRGVlcCBDb2xvciwgWUNiQ1I0MjAgVkRCLApZQ0JD UjQyMCBDTURCIGNhcGFiaWxpdGllcywgYW5kIHBpcGUgaXMgWUNiQ3I0MjAgdG8gdGhlIGV4aXN0 aW5nIFNDREMKc3VwcG9ydGVkIGNoZWNrIHRvIEluZmVyIFNJTksgaXMgSERNSSAyLjAuCgpIRE1J IDIuMCBDVFMgSEYxLTUxIHRlc3QgZmFpbHMgb24gdGhlIFFEOTgwQi4KCkJ1Z3ppbGxhOiBodHRw czovL2J1Z3MuZnJlZWRlc2t0b3Aub3JnL3Nob3dfYnVnLmNnaT9pZD0xMDc4OTQKQ2M6IFZpbGxl IFN5cmrDpGzDpCA8dmlsbGUuc3lyamFsYUBsaW51eC5pbnRlbC5jb20+CkNjOiBTaGFzaGFuayBT aGFybWEgPHNoYXNoYW5rLnNoYXJtYUBpbnRlbC5jb20+CgpTaWduZWQtb2ZmLWJ5OiBDbGludCBU YXlsb3IgPGNsaW50b24uYS50YXlsb3JAaW50ZWwuY29tPgotLS0KIGRyaXZlcnMvZ3B1L2RybS9p OTE1L2ludGVsX2hkbWkuYyB8IDMyICsrKysrKysrKysrKysrKysrKysrKysrKysrKysrKystCiAx IGZpbGUgY2hhbmdlZCwgMzEgaW5zZXJ0aW9ucygrKSwgMSBkZWxldGlvbigtKQoKZGlmZiAtLWdp dCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2hkbWkuYyBiL2RyaXZlcnMvZ3B1L2RybS9p OTE1L2ludGVsX2hkbWkuYwppbmRleCAyYzUzZWZjLi42OTEzODA2IDEwMDY0NAotLS0gYS9kcml2 ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9oZG1pLmMKKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUv aW50ZWxfaGRtaS5jCkBAIC00NTgsNiArNDU4LDM0IEBAIHN0YXRpYyB2b2lkIGludGVsX3dyaXRl X2luZm9mcmFtZShzdHJ1Y3QgaW50ZWxfZW5jb2RlciAqZW5jb2RlciwKIAkJCQkJZnJhbWUtPmFu eS50eXBlLCBidWZmZXIsIGxlbik7CiB9CiAKK3N0YXRpYyBib29sIGlzX2hkbWkyKGNvbnN0IHN0 cnVjdCBkcm1fY29ubmVjdG9yICpjb25uZWN0b3IsCisJCQljb25zdCBzdHJ1Y3QgaW50ZWxfY3J0 Y19zdGF0ZSAqY3J0Y19zdGF0ZSkKK3sKKwlib29sIGhkbWkyID0gZmFsc2U7CisJYm9vbCB2ZGJf bW9kZSA9IGZhbHNlOworCWJvb2wgY21kYl9tb2RlID0gZmFsc2U7CisJaW50IGkgPSAwOworCisJ LyogY2hlY2sgVkRCIGJpdHMgZm9yIEhETUkgMi4wIG1vZGUgKi8KKwlmb3IgKGkgPSAwOyBpIDwg QklUU19UT19MT05HUygxMjgpOyBpKyspCisJCWlmIChjb25uZWN0b3ItPmRpc3BsYXlfaW5mby5o ZG1pLnk0MjBfdmRiX21vZGVzW2ldKQorCQkJdmRiX21vZGUgPSB0cnVlOworCisJLyogY2hlY2sg Q01EQiBiaXRzIGZvciBIRE1JIDIuMCBtb2RlICovCisJZm9yIChpID0gMDsgaSA8IEJJVFNfVE9f TE9OR1MoMTI4KTsgaSsrKQorCQlpZiAoY29ubmVjdG9yLT5kaXNwbGF5X2luZm8uaGRtaS55NDIw X2NtZGJfbW9kZXNbaV0pCisJCQljbWRiX21vZGUgPSB0cnVlOworCisJaWYgKGNvbm5lY3Rvci0+ ZGlzcGxheV9pbmZvLmhkbWkuc2NkYy5zdXBwb3J0ZWQgfHwKKwkgICAgY29ubmVjdG9yLT5kaXNw bGF5X2luZm8uaGRtaS55NDIwX2RjX21vZGVzIHx8CisJICAgIGNydGNfc3RhdGUtPnljYmNyNDIw IHx8IHZkYl9tb2RlIHx8IGNtZGJfbW9kZSkgeworCQlEUk1fREVCVUdfS01TKCJJbmZlcnJlZCBI RE1JMiBzaW5rIHByZXNlbnRcbiIpOworCQloZG1pMiA9IHRydWU7CisJfQorCisJcmV0dXJuIGhk bWkyOworfQorCiBzdGF0aWMgdm9pZCBpbnRlbF9oZG1pX3NldF9hdmlfaW5mb2ZyYW1lKHN0cnVj dCBpbnRlbF9lbmNvZGVyICplbmNvZGVyLAogCQkJCQkgY29uc3Qgc3RydWN0IGludGVsX2NydGNf c3RhdGUgKmNydGNfc3RhdGUsCiAJCQkJCSBjb25zdCBzdHJ1Y3QgZHJtX2Nvbm5lY3Rvcl9zdGF0 ZSAqY29ubl9zdGF0ZSkKQEAgLTQ2NiwxMCArNDk0LDEyIEBAIHN0YXRpYyB2b2lkIGludGVsX2hk bWlfc2V0X2F2aV9pbmZvZnJhbWUoc3RydWN0IGludGVsX2VuY29kZXIgKmVuY29kZXIsCiAJY29u c3Qgc3RydWN0IGRybV9kaXNwbGF5X21vZGUgKmFkanVzdGVkX21vZGUgPQogCQkmY3J0Y19zdGF0 ZS0+YmFzZS5hZGp1c3RlZF9tb2RlOwogCXN0cnVjdCBkcm1fY29ubmVjdG9yICpjb25uZWN0b3Ig PSAmaW50ZWxfaGRtaS0+YXR0YWNoZWRfY29ubmVjdG9yLT5iYXNlOwotCWJvb2wgaXNfaGRtaTJf c2luayA9IGNvbm5lY3Rvci0+ZGlzcGxheV9pbmZvLmhkbWkuc2NkYy5zdXBwb3J0ZWQ7CisJYm9v bCBpc19oZG1pMl9zaW5rID0gZmFsc2U7CiAJdW5pb24gaGRtaV9pbmZvZnJhbWUgZnJhbWU7CiAJ aW50IHJldDsKIAorCWlzX2hkbWkyX3NpbmsgPSBpc19oZG1pMihjb25uZWN0b3IsIGNydGNfc3Rh dGUpOworCiAJcmV0ID0gZHJtX2hkbWlfYXZpX2luZm9mcmFtZV9mcm9tX2Rpc3BsYXlfbW9kZSgm ZnJhbWUuYXZpLAogCQkJCQkJICAgICAgIGFkanVzdGVkX21vZGUsCiAJCQkJCQkgICAgICAgaXNf aGRtaTJfc2luayk7Ci0tIAoxLjkuMQoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJl ZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGlu Zm8vaW50ZWwtZ2Z4Cg==