intel_dp_set_drrs_state(9) program registers for RR switch to take effect

SYNOPSIS

void intel_dp_set_drrs_state(struct drm_device * dev, int refresh_rate);

ARGUMENTS

dev

DRM device

refresh_rate

RR to be programmed

DESCRIPTION

This function gets called when refresh rate (RR) has to be changed from one frequency to another. Switches can be between high and low RR supported by the panel or to any other RR based on media playback (in this case, RR value needs to be passed from user space).

The caller of this function needs to take a lock on dev_priv->drrs.

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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