drm_dp_mst_hpd_irq(9) MST hotplug IRQ notify

SYNOPSIS

int drm_dp_mst_hpd_irq(struct drm_dp_mst_topology_mgr * mgr, u8 * esi, bool * handled);

ARGUMENTS

mgr

manager to notify irq for.

esi

4 bytes from SINK_COUNT_ESI

handled

whether the hpd interrupt was consumed or not

DESCRIPTION

This should be called from the driver when it detects a short IRQ, along with the value of the DEVICE_SERVICE_IRQ_VECTOR_ESI0. The topology manager will process the sideband messages received as a result of this.

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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