diff options
| -rw-r--r-- | src/gui/embedded/qscreenlinuxfb_qws.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/gui/embedded/qscreenlinuxfb_qws.cpp b/src/gui/embedded/qscreenlinuxfb_qws.cpp index 2cdd16f..4c91416 100644 --- a/src/gui/embedded/qscreenlinuxfb_qws.cpp +++ b/src/gui/embedded/qscreenlinuxfb_qws.cpp @@ -1221,7 +1221,7 @@ int QLinuxFbScreen::sharedRamSize(void * end) /*! \reimp */ -void QLinuxFbScreen::setDirty(const QRect &) +void QLinuxFbScreen::setDirty(const QRect &r) { if(d_ptr->is8Track) { // e-Ink displays need a trigger to actually show what is @@ -1231,7 +1231,10 @@ void QLinuxFbScreen::setDirty(const QRect &) // memory. // There doesn't seem to be a way to tell it to just update // a subset of the screen. - ioctl(d_ptr->fd, 0x46a2, 1); + if(r.left() == 0 && r.top() == 0 && r.width() == dw && r.height() == dh) + ioctl(d_ptr->fd, 0x46a2, 1); + else + ioctl(d_ptr->fd, 0x46a2, 0); } } |