From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Reding Subject: [PATCH v2 11/21] drm/dp: Read eDP version from DPCD Date: Mon, 2 Sep 2019 13:31:11 +0200 Message-ID: <20190902113121.31323-12-thierry.reding@gmail.com> References: <20190902113121.31323-1-thierry.reding@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-wm1-x343.google.com (mail-wm1-x343.google.com [IPv6:2a00:1450:4864:20::343]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8419489B4D for ; Mon, 2 Sep 2019 11:31:48 +0000 (UTC) Received: by mail-wm1-x343.google.com with SMTP id n2so12834299wmk.4 for ; Mon, 02 Sep 2019 04:31:48 -0700 (PDT) In-Reply-To: <20190902113121.31323-1-thierry.reding@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org RnJvbTogVGhpZXJyeSBSZWRpbmcgPHRyZWRpbmdAbnZpZGlhLmNvbT4KCklmIHRoZSBzaW5rIHN1 cHBvcnRzIGVEUCwgcmVhZCB0aGUgZURQIHJldmlzaW9uIGZyb20gaXQncyBEUENELgoKU2lnbmVk LW9mZi1ieTogVGhpZXJyeSBSZWRpbmcgPHRyZWRpbmdAbnZpZGlhLmNvbT4KLS0tCiBkcml2ZXJz L2dwdS9kcm0vZHJtX2RwX2hlbHBlci5jIHwgMTYgKysrKysrKysrKysrKysrLQogaW5jbHVkZS9k cm0vZHJtX2RwX2hlbHBlci5oICAgICB8ICAyICsrCiAyIGZpbGVzIGNoYW5nZWQsIDE3IGluc2Vy dGlvbnMoKyksIDEgZGVsZXRpb24oLSkKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vZHJt X2RwX2hlbHBlci5jIGIvZHJpdmVycy9ncHUvZHJtL2RybV9kcF9oZWxwZXIuYwppbmRleCBhY2Fi OGRjNDhlMmMuLjViMzZlOGUzOWNhNyAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2RybV9k cF9oZWxwZXIuYworKysgYi9kcml2ZXJzL2dwdS9kcm0vZHJtX2RwX2hlbHBlci5jCkBAIC0zODIs NiArMzgyLDcgQEAgc3RhdGljIHZvaWQgZHJtX2RwX2xpbmtfcmVzZXQoc3RydWN0IGRybV9kcF9s aW5rICpsaW5rKQogCWxpbmstPm1heF9sYW5lcyA9IDA7CiAKIAlkcm1fZHBfbGlua19jYXBzX3Jl c2V0KCZsaW5rLT5jYXBzKTsKKwlsaW5rLT5lZHAgPSAwOwogCiAJbGluay0+cmF0ZSA9IDA7CiAJ bGluay0+bGFuZXMgPSAwOwpAQCAtNDE4LDkgKzQxOSwyMiBAQCBpbnQgZHJtX2RwX2xpbmtfcHJv YmUoc3RydWN0IGRybV9kcF9hdXggKmF1eCwgc3RydWN0IGRybV9kcF9saW5rICpsaW5rKQogCWxp bmstPmNhcHMuZmFzdF90cmFpbmluZyA9IGRybV9kcF9mYXN0X3RyYWluaW5nX2NhcCh2YWx1ZXMp OwogCWxpbmstPmNhcHMuY2hhbm5lbF9jb2RpbmcgPSBkcm1fZHBfY2hhbm5lbF9jb2Rpbmdfc3Vw cG9ydGVkKHZhbHVlcyk7CiAKLQlpZiAoZHJtX2RwX2FsdGVybmF0ZV9zY3JhbWJsZXJfcmVzZXRf Y2FwKHZhbHVlcykpCisJaWYgKGRybV9kcF9hbHRlcm5hdGVfc2NyYW1ibGVyX3Jlc2V0X2NhcCh2 YWx1ZXMpKSB7CisJCXN0YXRpYyBjb25zdCB1OCBlZHBfcmV2c1tdID0geyAweDExLCAweDEyLCAw eDEzLCAweDE0IH07CisJCXU4IHZhbHVlOworCiAJCWxpbmstPmNhcHMuYWx0ZXJuYXRlX3NjcmFt Ymxlcl9yZXNldCA9IHRydWU7CiAKKwkJZXJyID0gZHJtX2RwX2RwY2RfcmVhZGIoYXV4LCBEUF9F RFBfRFBDRF9SRVYsICZ2YWx1ZSk7CisJCWlmIChlcnIgPCAwKQorCQkJcmV0dXJuIGVycjsKKwor CQlpZiAodmFsdWUgPj0gQVJSQVlfU0laRShlZHBfcmV2cykpCisJCQlEUk1fRVJST1IoInVuc3Vw cG9ydGVkIGVEUCB2ZXJzaW9uOiAlMDJ4XG4iLCB2YWx1ZSk7CisJCWVsc2UKKwkJCWxpbmstPmVk cCA9IGVkcF9yZXZzW3ZhbHVlXTsKKwl9CisKIAlsaW5rLT5yYXRlID0gbGluay0+bWF4X3JhdGU7 CiAJbGluay0+bGFuZXMgPSBsaW5rLT5tYXhfbGFuZXM7CiAKZGlmZiAtLWdpdCBhL2luY2x1ZGUv ZHJtL2RybV9kcF9oZWxwZXIuaCBiL2luY2x1ZGUvZHJtL2RybV9kcF9oZWxwZXIuaAppbmRleCBm OWY2NWJjMTNkZjUuLjEzYzUwZTkwNTIwNSAxMDA2NDQKLS0tIGEvaW5jbHVkZS9kcm0vZHJtX2Rw X2hlbHBlci5oCisrKyBiL2luY2x1ZGUvZHJtL2RybV9kcF9oZWxwZXIuaApAQCAtMTQwNSw2ICsx NDA1LDcgQEAgdm9pZCBkcm1fZHBfbGlua19jYXBzX2NvcHkoc3RydWN0IGRybV9kcF9saW5rX2Nh cHMgKmRlc3QsCiAgKiBAbWF4X3JhdGU6IG1heGltdW0gY2xvY2sgcmF0ZSBzdXBwb3J0ZWQgb24g dGhlIGxpbmsKICAqIEBtYXhfbGFuZXM6IG1heGltdW0gbnVtYmVyIG9mIGxhbmVzIHN1cHBvcnRl ZCBvbiB0aGUgbGluawogICogQGNhcHM6IGNhcGFiaWxpdGllcyBzdXBwb3J0ZWQgb24gdGhlIGxp bmsgKHNlZSAmZHJtX2RwX2xpbmtfY2FwcykKKyAqIEBlZHA6IGVEUCByZXZpc2lvbiAoMHgxMTog ZURQIDEuMSwgMHgxMjogZURQIDEuMiwgLi4uKQogICogQHJhdGU6IGN1cnJlbnRseSBjb25maWd1 cmVkIGxpbmsgcmF0ZQogICogQGxhbmVzOiBjdXJyZW50bHkgY29uZmlndXJlZCBudW1iZXIgb2Yg bGFuZXMKICAqLwpAQCAtMTQxNCw2ICsxNDE1LDcgQEAgc3RydWN0IGRybV9kcF9saW5rIHsKIAl1 bnNpZ25lZCBpbnQgbWF4X2xhbmVzOwogCiAJc3RydWN0IGRybV9kcF9saW5rX2NhcHMgY2FwczsK Kwl1bnNpZ25lZCBjaGFyIGVkcDsKIAogCXVuc2lnbmVkIGludCByYXRlOwogCXVuc2lnbmVkIGlu dCBsYW5lczsKLS0gCjIuMjIuMAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRl c2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8v ZHJpLWRldmVs