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path: root/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia_bw.h
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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia_bw.h')
-rw-r--r--drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia_bw.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia_bw.h b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia_bw.h
index 981bc4eb6120e7..3b6d8494f9d5da 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia_bw.h
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia_bw.h
@@ -99,4 +99,13 @@ void dpia_handle_bw_alloc_response(struct dc_link *link, uint8_t bw, uint8_t res
*/
bool dpia_validate_usb4_bw(struct dc_link **link, int *bw_needed, const unsigned int num_dpias);
+/*
+ * Obtain all the DP overheads in dp tunneling for the dpia link
+ *
+ * @link: pointer to the dc_link struct instance
+ *
+ * return: DP overheads in DP tunneling
+ */
+int link_dp_dpia_get_dp_overhead_in_dp_tunneling(struct dc_link *link);
+
#endif /* DC_INC_LINK_DP_DPIA_BW_H_ */