dc_link_handle_hpd_rx_irq 1599 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c if (dc_link_handle_hpd_rx_irq(dc_link, NULL, NULL) && dc_link_handle_hpd_rx_irq 202 drivers/gpu/drm/amd/display/dc/dc_link.h bool dc_link_handle_hpd_rx_irq(struct dc_link *dc_link,