Qualcomm Incorporated

Mastan Manoj Kumar Amara Venkata

Dileep Marchya

Sudeep Ravi Kottilingal

Dhaval Kanubhai Patel

Nagamalleswararao Ganji

Ujwal Patel

Panneer Arumugam

Saurabh Shah

Ramkumar Radhakrishnan

The disclosure relates to a system including a set of subsystems sharing a voltage rail. The system includes a power controller configured to send messages, such as interrupts, to the subsystems concerning a change of state of a supply voltage on the voltage rail. Such messages may have been sent in response to requests and messages from the subsystems, respectively. In response to the messages, the subsystems may send requests to the power controller for different dynamic clock voltage scaling (DCVS) levels, respectively. In response to such requests, the power controller may set the supply voltage and frequencies of clock signals for the requesting subsystems, respectively.

System and method for reducing power consumption and improving performance based on shared regulator current supply voltage

Techniques are described for determining a region to be updated in a frame based on positional changes of one layer from frame-to-frame. The positional changes may be displacement of a layer or removal of a layer from one frame to the next. In addition to the information of the positional changes, the techniques also utilize all areas for which the image content changed, but the position did not, for determining the region to be updated.

Updating image regions during composition

Techniques are described in which a video decoding mode is used to determine which regions of a picture need to be composed. If a region of a current picture is decoded in skip mode with the reference picture of the skip mode being a previous picture that is displayed immediately prior to the current picture, then pixel values for that region may not need to be retrieved from system memory.

Updating regions for display based on video decoding mode

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San Diego, CA, United States of America

Mastan Manoj Kumar Amara Venkata