From mboxrd@z Thu Jan 1 00:00:00 1970 From: Imre Deak Subject: [PATCH] drm/i915: Fix LSPCON TMDS output buffer enabling from low-power state Date: Mon, 16 Apr 2018 18:53:09 +0300 Message-ID: <20180416155309.11100-1-imre.deak@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org TFNQQ09OIGFkYXB0ZXJzIGluIGxvdy1wb3dlciBzdGF0ZSBtYXkgaWdub3JlIHRoZSBmaXJzdCBJ MkMgd3JpdGUgZHVyaW5nClRNRFMgb3V0cHV0IGJ1ZmZlciBlbmFibGluZywgcmVzdWx0aW5nIGlu IGEgYmxhbmsgc2NyZWVuIGV2ZW4gd2l0aCBhbgpvdGhlcndpc2UgZW5hYmxlZCBwaXBlLiBGaXgg dGhpcyBieSByZWFkaW5nIGJhY2sgYW5kIHZhbGlkYXRpbmcgdGhlCndyaXR0ZW4gdmFsdWUgYSBm ZXcgdGltZXMuCgpUaGUgcHJvYmxlbSB3YXMgbm90aWNlZCBvbiBHTEsgbWFjaGluZXMgd2l0aCBh biBvbmJvYXJkIExTUENPTiBhZGFwdGVyCmFmdGVyIGVudGVyaW5nL2V4aXRpbmcgREM1IHBvd2Vy IHN0YXRlLiBEb2luZyBhbiBJMkMgcmVhZCBvZiB0aGUgYWRhcHRlcgpJRCBhcyB0aGUgZmlyc3Qg dHJhbnNhY3Rpb24gLSBpbnN0ZWFkIG9mIHRoZSBJMkMgd3JpdGUgdG8gZW5hYmxlIHRoZQpUTURT IGJ1ZmZlcnMgLSByZXR1cm5zIHRoZSBjb3JyZWN0IHZhbHVlLiBCYXNlZCBvbiB0aGlzIHdlIGFz c3VtZSB0aGF0CnRoZSB0cmFuc2FjdGlvbiBpdHNlbGYgaXMgc2VudCBwcm9wZXJseSwgaXQncyBv bmx5IHRoZSBhZGFwdGVyIHRoYXQgaXMKbm90IHJlYWR5IGZvciBzb21lIHJlYXNvbiB0byBhY2Nl cHQgdGhpcyBmaXJzdCB3cml0ZSBhZnRlciB3YWtpbmcgZnJvbQpsb3ctcG93ZXIgc3RhdGUuIElu IG15IGNhc2UgdGhlIHNlY29uZCBJMkMgd3JpdGUgYXR0ZW1wdCBhbHdheXMKc3VjY2VlZGVkLgoK QnVnemlsbGE6IGh0dHBzOi8vYnVncy5mcmVlZGVza3RvcC5vcmcvc2hvd19idWcuY2dpP2lkPTEw NTg1NApDYzogQ2xpbnRvbiBUYXlsb3IgPGNsaW50b24uYS50YXlsb3JAaW50ZWwuY29tPgpDYzog VmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbT4KU2lnbmVkLW9m Zi1ieTogSW1yZSBEZWFrIDxpbXJlLmRlYWtAaW50ZWwuY29tPgotLS0KIGRyaXZlcnMvZ3B1L2Ry bS9kcm1fZHBfZHVhbF9tb2RlX2hlbHBlci5jIHwgMzkgKysrKysrKysrKysrKysrKysrKysrKysr Ky0tLS0tLQogMSBmaWxlIGNoYW5nZWQsIDMyIGluc2VydGlvbnMoKyksIDcgZGVsZXRpb25zKC0p CgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2RybV9kcF9kdWFsX21vZGVfaGVscGVyLmMg Yi9kcml2ZXJzL2dwdS9kcm0vZHJtX2RwX2R1YWxfbW9kZV9oZWxwZXIuYwppbmRleCAwMmE1MDky OWFmNjcuLmU3ZjRmZTI4NDhhNSAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2RybV9kcF9k dWFsX21vZGVfaGVscGVyLmMKKysrIGIvZHJpdmVycy9ncHUvZHJtL2RybV9kcF9kdWFsX21vZGVf aGVscGVyLmMKQEAgLTM1MCwxOSArMzUwLDQ0IEBAIGludCBkcm1fZHBfZHVhbF9tb2RlX3NldF90 bWRzX291dHB1dChlbnVtIGRybV9kcF9kdWFsX21vZGVfdHlwZSB0eXBlLAogewogCXVpbnQ4X3Qg dG1kc19vZW4gPSBlbmFibGUgPyAwIDogRFBfRFVBTF9NT0RFX1RNRFNfRElTQUJMRTsKIAlzc2l6 ZV90IHJldDsKKwlpbnQgcmV0cnk7CiAKIAlpZiAodHlwZSA8IERSTV9EUF9EVUFMX01PREVfVFlQ RTJfRFZJKQogCQlyZXR1cm4gMDsKIAotCXJldCA9IGRybV9kcF9kdWFsX21vZGVfd3JpdGUoYWRh cHRlciwgRFBfRFVBTF9NT0RFX1RNRFNfT0VOLAotCQkJCSAgICAgJnRtZHNfb2VuLCBzaXplb2Yo dG1kc19vZW4pKTsKLQlpZiAocmV0KSB7Ci0JCURSTV9ERUJVR19LTVMoIkZhaWxlZCB0byAlcyBU TURTIG91dHB1dCBidWZmZXJzXG4iLAotCQkJICAgICAgZW5hYmxlID8gImVuYWJsZSIgOiAiZGlz YWJsZSIpOwotCQlyZXR1cm4gcmV0OworCS8qCisJICogTFNQQ09OIGFkYXB0ZXJzIGluIGxvdy1w b3dlciBzdGF0ZSBtYXkgaWdub3JlIHRoZSBmaXJzdCB3cml0ZSwgc28KKwkgKiByZWFkIGJhY2sg YW5kIHZlcmlmeSB0aGUgd3JpdHRlbiB2YWx1ZSBhIGZldyB0aW1lcy4KKwkgKi8KKwlmb3IgKHJl dHJ5ID0gMDsgcmV0cnkgPCAzOyByZXRyeSsrKSB7CisJCXVpbnQ4X3QgdG1wOworCisJCXJldCA9 IGRybV9kcF9kdWFsX21vZGVfd3JpdGUoYWRhcHRlciwgRFBfRFVBTF9NT0RFX1RNRFNfT0VOLAor CQkJCQkgICAgICZ0bWRzX29lbiwgc2l6ZW9mKHRtZHNfb2VuKSk7CisJCWlmIChyZXQpIHsKKwkJ CURSTV9ERUJVR19LTVMoIkZhaWxlZCB0byAlcyBUTURTIG91dHB1dCBidWZmZXJzICglZCBhdHRl bXB0cylcbiIsCisJCQkJICAgICAgZW5hYmxlID8gImVuYWJsZSIgOiAiZGlzYWJsZSIsCisJCQkJ ICAgICAgcmV0cnkgKyAxKTsKKwkJCXJldHVybiByZXQ7CisJCX0KKworCQlyZXQgPSBkcm1fZHBf ZHVhbF9tb2RlX3JlYWQoYWRhcHRlciwgRFBfRFVBTF9NT0RFX1RNRFNfT0VOLAorCQkJCQkgICAg JnRtcCwgc2l6ZW9mKHRtcCkpOworCQlpZiAocmV0KSB7CisJCQlEUk1fREVCVUdfS01TKCJJMkMg cmVhZCBmYWlsZWQgZHVyaW5nIFRNRFMgb3V0cHV0IGJ1ZmZlciAlcyAoJWQgYXR0ZW1wdHMpXG4i LAorCQkJCSAgICAgIGVuYWJsZSA/ICJlbmFibGluZyIgOiAiZGlzYWJsaW5nIiwKKwkJCQkgICAg ICByZXRyeSArIDEpOworCQkJcmV0dXJuIHJldDsKKwkJfQorCisJCWlmICh0bXAgPT0gdG1kc19v ZW4pCisJCQlyZXR1cm4gMDsKIAl9CiAKLQlyZXR1cm4gMDsKKwlEUk1fREVCVUdfS01TKCJJMkMg d3JpdGUgdmFsdWUgbWlzbWF0Y2ggZHVyaW5nIFRNRFMgb3V0cHV0IGJ1ZmZlciAlc1xuIiwKKwkJ ICAgICAgZW5hYmxlID8gImVuYWJsaW5nIiA6ICJkaXNhYmxpbmciKTsKKworCXJldHVybiAtRUlP OwogfQogRVhQT1JUX1NZTUJPTChkcm1fZHBfZHVhbF9tb2RlX3NldF90bWRzX291dHB1dCk7CiAK LS0gCjIuMTMuMgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3Jn Cmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4 Cg==