diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 18 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_link.h | 2 |
2 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index 4a08fe095476..ba4883fca616 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -1947,6 +1947,24 @@ bool dc_link_dp_sync_lt_end(struct dc_link *link, bool link_down) return true; } +bool dc_link_dp_get_max_link_enc_cap(const struct dc_link *link, struct dc_link_settings *max_link_enc_cap) +{ + if (!max_link_enc_cap) { + DC_LOG_ERROR("%s: Could not return max link encoder caps", __func__); + return false; + } + + if (link->link_enc->funcs->get_max_link_cap) { + link->link_enc->funcs->get_max_link_cap(link->link_enc, max_link_enc_cap); + return true; + } + + DC_LOG_ERROR("%s: Max link encoder caps unknown", __func__); + max_link_enc_cap->lane_count = 1; + max_link_enc_cap->link_rate = 6; + return false; +} + static struct dc_link_settings get_max_link_cap(struct dc_link *link) { struct dc_link_settings max_link_cap = {0}; diff --git a/drivers/gpu/drm/amd/display/dc/dc_link.h b/drivers/gpu/drm/amd/display/dc/dc_link.h index 3b57ba5fbb4b..c871923e7db0 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_link.h +++ b/drivers/gpu/drm/amd/display/dc/dc_link.h @@ -340,6 +340,8 @@ bool dc_link_dp_set_test_pattern( const unsigned char *p_custom_pattern, unsigned int cust_pattern_size); +bool dc_link_dp_get_max_link_enc_cap(const struct dc_link *link, struct dc_link_settings *max_link_enc_cap); + void dc_link_enable_hpd_filter(struct dc_link *link, bool enable); bool dc_link_is_dp_sink_present(struct dc_link *link); |