diff options
Diffstat (limited to 'include/drm')
| -rw-r--r-- | include/drm/drm_dp_helper.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h index 110f4f1f51d7..a92c3754e3bb 100644 --- a/include/drm/drm_dp_helper.h +++ b/include/drm/drm_dp_helper.h @@ -390,4 +390,11 @@ drm_dp_max_lane_count(const u8 dpcd[DP_RECEIVER_CAP_SIZE]) return dpcd[DP_MAX_LANE_COUNT] & DP_MAX_LANE_COUNT_MASK; } +static inline bool +drm_dp_enhanced_frame_cap(const u8 dpcd[DP_RECEIVER_CAP_SIZE]) +{ + return dpcd[DP_DPCD_REV] >= 0x11 && + (dpcd[DP_MAX_LANE_COUNT] & DP_ENHANCED_FRAME_CAP); +} + #endif /* _DRM_DP_HELPER_H_ */ |