diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dc.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index 8a317b7717f7..d265ef8543c8 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -1415,7 +1415,9 @@ void dc_set_disable_128b_132b_stream_overhead(bool disable); /* The function returns minimum bandwidth required to drive a given timing * return - minimum required timing bandwidth in kbps. */ -uint32_t dc_bandwidth_in_kbps_from_timing(const struct dc_crtc_timing *timing); +uint32_t dc_bandwidth_in_kbps_from_timing( + const struct dc_crtc_timing *timing, + const enum dc_link_encoding_format link_encoding); /* Link Interfaces */ /* @@ -1853,6 +1855,14 @@ enum dp_link_encoding dc_link_dp_mst_decide_link_encoding_format( */ const struct dc_link_settings *dc_link_get_link_cap(const struct dc_link *link); +/* Get the highest encoding format that the link supports; highest meaning the + * encoding format which supports the maximum bandwidth. + * + * @link - a link with DP RX connection + * return - highest encoding format link supports. + */ +enum dc_link_encoding_format dc_link_get_highest_encoding_format(const struct dc_link *link); + /* Check if a RX (ex. DP sink, MST hub, passive or active dongle) is connected * to a link with dp connector signal type. * @link - a link with dp connector signal type |