SYNOPSIS

u32 drm_vblank_no_hw_counter(struct drm_device * dev, unsigned int pipe);

ARGUMENTS

dev

DRM device

pipe

CRTC for which to read the counter

DESCRIPTION

Drivers can plug this into the .get_vblank_counter function if there is no useable hardware frame counter available.

RETURNS

0

AUTHORS

Jesse Barnes <[email protected]>
Intel Corporation,         
        

Initial version

Laurent Pinchart <[email protected]>
Ideas on board SPRL,         
        

Driver internals

Daniel Vetter <[email protected]>
Intel Corporation,         
        

Contributions all over the place

Lukas Wunner <[email protected]>

vga_switcheroo documentation

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