forked from pool/libqt5-qtbase
efd30deb02
- Add patch to fix crash if X RanR is not present (boo#1073572): * 0001-xcb-verify-if-xrandr-present-before-using-xcb_randr-.patch OBS-URL: https://build.opensuse.org/request/show/560601 OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/libqt5-qtbase?expand=0&rev=72
74 lines
3.2 KiB
Diff
74 lines
3.2 KiB
Diff
From 79d78d814acad4e183e281aea9b131f396abe3fb Mon Sep 17 00:00:00 2001
|
|
From: Gatis Paeglis <gatis.paeglis@qt.io>
|
|
Date: Thu, 7 Dec 2017 11:49:49 +0100
|
|
Subject: [PATCH] xcb: verify if xrandr present before using xcb_randr* APIs
|
|
|
|
Not doing so might break the connection. We have had similar
|
|
issues before, e.g. QTBUG-45312.
|
|
|
|
Change-Id: I95f15d24773fc92b052578bd72d1ba264d0a5f63
|
|
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
|
|
Reviewed-by: Uli Schlachter <psychon@znc.in>
|
|
---
|
|
src/plugins/platforms/xcb/qxcbscreen.cpp | 35 +++++++++++++++++++++-----------
|
|
1 file changed, 23 insertions(+), 12 deletions(-)
|
|
|
|
diff --git a/src/plugins/platforms/xcb/qxcbscreen.cpp b/src/plugins/platforms/xcb/qxcbscreen.cpp
|
|
index ec0f9ba561..67c96b2d80 100644
|
|
--- a/src/plugins/platforms/xcb/qxcbscreen.cpp
|
|
+++ b/src/plugins/platforms/xcb/qxcbscreen.cpp
|
|
@@ -446,17 +446,24 @@ QXcbScreen::QXcbScreen(QXcbConnection *connection, QXcbVirtualDesktop *virtualDe
|
|
|
|
m_cursor = new QXcbCursor(connection, this);
|
|
|
|
- // Parse EDID
|
|
- if (m_edid.parse(getEdid()))
|
|
- qCDebug(lcQpaScreen, "EDID data for output \"%s\": identifier '%s', manufacturer '%s', model '%s', serial '%s', physical size: %.2fx%.2f",
|
|
- name().toLatin1().constData(),
|
|
- m_edid.identifier.toLatin1().constData(),
|
|
- m_edid.manufacturer.toLatin1().constData(),
|
|
- m_edid.model.toLatin1().constData(),
|
|
- m_edid.serialNumber.toLatin1().constData(),
|
|
- m_edid.physicalSize.width(), m_edid.physicalSize.height());
|
|
- else
|
|
- qCDebug(lcQpaScreen) << "Failed to parse EDID data for output" << name(); // keep this debug, not warning
|
|
+ if (connection->hasXRandr()) { // Parse EDID
|
|
+ QByteArray edid = getEdid();
|
|
+ if (m_edid.parse(edid)) {
|
|
+ qCDebug(lcQpaScreen, "EDID data for output \"%s\": identifier '%s', manufacturer '%s',"
|
|
+ "model '%s', serial '%s', physical size: %.2fx%.2f",
|
|
+ name().toLatin1().constData(),
|
|
+ m_edid.identifier.toLatin1().constData(),
|
|
+ m_edid.manufacturer.toLatin1().constData(),
|
|
+ m_edid.model.toLatin1().constData(),
|
|
+ m_edid.serialNumber.toLatin1().constData(),
|
|
+ m_edid.physicalSize.width(), m_edid.physicalSize.height());
|
|
+ } else {
|
|
+ // This property is defined by the xrandr spec. Parsing failure indicates a valid error,
|
|
+ // but keep this as debug, for details see 4f515815efc318ddc909a0399b71b8a684962f38.
|
|
+ qCDebug(lcQpaScreen) << "Failed to parse EDID data for output" << name() <<
|
|
+ "edid data: " << edid;
|
|
+ }
|
|
+ }
|
|
}
|
|
|
|
QXcbScreen::~QXcbScreen()
|
|
@@ -899,9 +906,13 @@ QByteArray QXcbScreen::getOutputProperty(xcb_atom_t atom) const
|
|
|
|
QByteArray QXcbScreen::getEdid() const
|
|
{
|
|
+ QByteArray result;
|
|
+ if (!connection()->hasXRandr())
|
|
+ return result;
|
|
+
|
|
// Try a bunch of atoms
|
|
xcb_atom_t atom = connection()->internAtom("EDID");
|
|
- QByteArray result = getOutputProperty(atom);
|
|
+ result = getOutputProperty(atom);
|
|
if (result.isEmpty()) {
|
|
atom = connection()->internAtom("EDID_DATA");
|
|
result = getOutputProperty(atom);
|
|
--
|
|
2.15.0
|
|
|