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drm/vc4: Disable overrun interrupts #5935

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merged 1 commit into from
Feb 8, 2024

Commits on Feb 8, 2024

  1. drm/vc4: Disable overrun interrupts

    We have a read-modify-write race when updating SCALER_DISPCTRL for
    underrun and end-of-frame interrupts.
    Ideally it would be fixed via a spinlock or similar, but that will
    require a reasonable amount of study to ensure we don't get deadlocks.
    
    The underrun reporting is only for debug, so disable it for now.
    
    Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
    6by9 committed Feb 8, 2024
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