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Commit 10613dc3 authored by Michael Lentine's avatar Michael Lentine
Browse files

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
parent 5a16a629

services/surfaceflinger/DisplayHardware/HWComposer.cpp

+5 −2
Original line number Diff line number Diff line
@@ -305,14 +305,17 @@ 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);

    // 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) {

    // Default density is based on TVs: 1080p displays get XHIGH density,