Add hotplug support for primary display.

When the primary is connected/disconnected on tv devices HWComposer updates
it's display parameters but doesn't destroy or recreate the display.

Bug: 18698244

Change-Id: I759c8f75d3e3a7462b85eb51973fb5072b71a702
(cherry picked from commit 10613dc3b5)
This commit is contained in:
Michael Lentine 2015-05-12 18:04:26 -07:00 committed by Dan Stoza
parent 076d25b19d
commit d74ba85c6f

View File

@ -305,13 +305,16 @@ void HWComposer::vsync(int disp, int64_t timestamp) {
}
void HWComposer::hotplug(int disp, int connected) {
if (disp == HWC_DISPLAY_PRIMARY || disp >= VIRTUAL_DISPLAY_ID_BASE) {
if (disp >= VIRTUAL_DISPLAY_ID_BASE) {
ALOGE("hotplug event received for invalid display: disp=%d connected=%d",
disp, connected);
return;
}
queryDisplayProperties(disp);
mEventHandler.onHotplugReceived(disp, bool(connected));
// Do not teardown or recreate the primary display
if (disp != HWC_DISPLAY_PRIMARY) {
mEventHandler.onHotplugReceived(disp, bool(connected));
}
}
static float getDefaultDensity(uint32_t width, uint32_t height) {