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    DYNAMIC REFRESH RATE ADJUSTMENT
    1.
    发明申请
    DYNAMIC REFRESH RATE ADJUSTMENT 有权

    公开(公告)号：US20210280156A1

    公开(公告)日：2021-09-09

    申请号：US16807367

    申请日：2020-03-03

    Applicant: QUALCOMM Incorporated

    Inventor： Kalpesh Dhanvantrai Mehta ,  Prashant Nukala

    IPC: G09G5/18 ,  G09G5/10

    Abstract: Methods, systems, and devices for dynamic adjustment of a refresh rate of a display are described. The method includes determining a set of frames for display on the device, determining an average frame rate for the set of frames over a duration based on a respective frame rate associated with each frame of the set of frames, selecting a new refresh rate based on the average frame rate for the set of frames, and switching, based on selecting the new refresh rate, from a current refresh rate of the display to the new refresh rate by deactivating a first timing register of the device and activating a second timing register of the device.

    Methods and apparatus for refreshing multiple displays
    3.
    发明授权
    Methods and apparatus for refreshing multiple displays 有权

    公开(公告)号：US11151965B2

    公开(公告)日：2021-10-19

    申请号：US16548587

    申请日：2019-08-22

    Applicant: QUALCOMM Incorporated

    Inventor： Dileep Marchya ,  Srinivas Pullakavi ,  Prashant Nukala

    IPC: G06T1/00 ,  G09G5/36 ,  G06T1/20 ,  G06T1/60

    Abstract: The present disclosure relates to methods and apparatus for display processing. Aspects of the present disclosure can determine a refresh offset for at least one group of lines in a first display based on at least one group of lines in a second display. Aspects of the present disclosure can also apply the refresh offset for the at least one group of lines in the first display based on the at least one group of lines in the second display. Further, aspects of the present disclosure can adjust combined instantaneous bandwidth corresponding to each of the at least one group of lines in the first display and each of the at least one group of lines in the second display based on the applied refresh offset. Aspects of the present disclosure can also determine one or more overlapping layer regions based on the first display and the second display.

    Power efficient video playback based on display hardware feedback
    4.
    发明授权
    Power efficient video playback based on display hardware feedback 有权

    公开(公告)号：US10257487B1

    公开(公告)日：2019-04-09

    申请号：US15872702

    申请日：2018-01-16

    Applicant: QUALCOMM Incorporated

    Inventor： Raviteja Tamatam ,  Prashant Nukala ,  Kalyan Thota ,  Jayant Shekhar ,  Krishna Chaitanya Devarakonda

    IPC: H04N9/87 ,  G06K9/46 ,  G09G5/02 ,  H04N5/272

    Abstract: Techniques are described for reducing the number of fetches performed when a background layer (e.g., letter or pillar box) to be displayed is of a constant fill color. One or more processors (e.g., a display processor) may be configured to detect that a background layer is of a constant fill color. If so, rather than fetching the background layer from memory, the one or more processors may be configured to generate the constant fill color for the background layer. In doing so, there may be a reduction in the number of memory fetches performed, as the constant fill background layer is not fetched or is only partially fetched. This may reduce memory fetch operations (as only the video layer is fetched) and therefore power savings (e.g., battery usage) at memory and bus interfaces, decreased use of the bandwidth at the bus and memory, and decreased processor usage.

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