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Commit ab6ef6c8 authored by Adrian Salido's avatar Adrian Salido
Browse files

SurfaceFlinger: send config event changed on allowed modes change 

Provide a notification whenever allowed display configurations have
changed, this allows Display Event Receivers to be aware of a change in
allowed configs.

Bug: 139487676
Change-Id: Ida73391c350989be595f55ff8e1d9d2cc70c0276
parent 575149f8

services/surfaceflinger/SurfaceFlinger.cpp

+13 −1
Original line number Diff line number Diff line
@@ -6175,8 +6175,20 @@ void SurfaceFlinger::setAllowedDisplayConfigsInternal(const sp<DisplayDevice>& d 
        return;

    }



    const auto allowedDisplayConfigs = DisplayConfigs(allowedConfigs.begin(),

                                                      allowedConfigs.end());

    if (allowedDisplayConfigs == mAllowedDisplayConfigs) {

        return;

    }



    ALOGV("Updating allowed configs");

    mAllowedDisplayConfigs = DisplayConfigs(allowedConfigs.begin(), allowedConfigs.end());

    mAllowedDisplayConfigs = std::move(allowedDisplayConfigs);



    // TODO(b/140204874): This hack triggers a notification that something has changed, so

    // that listeners that care about a change in allowed configs can get the notification.

    // Giving current ActiveConfig so that most other listeners would just drop the event

    mScheduler->onConfigChanged(mAppConnectionHandle, display->getId()->value,

                                display->getActiveConfig());



    // Set the highest allowed config by iterating backwards on available refresh rates

    const auto& refreshRates = mRefreshRateConfigs.getRefreshRates();