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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-10-18 10:15:31 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-10-22 22:34:47 +0200 |
| commit | 3b5c662e8f536ca47396116de82f08d771727076 (patch) | |
| tree | 18c5696ab98584d7331dadd9cb054b21f8e13d2a /include/drm | |
| parent | a7c9655fdd89fae1749c2e5beadae8b7d32093af (diff) | |
| download | linux-stable-3b5c662e8f536ca47396116de82f08d771727076.tar.gz linux-stable-3b5c662e8f536ca47396116de82f08d771727076.tar.bz2 linux-stable-3b5c662e8f536ca47396116de82f08d771727076.zip | |
drm: extract dp link bw helpers
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Dave Airlie <airlied@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'include/drm')
| -rw-r--r-- | include/drm/drm_dp_helper.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h index 60bd8d3ae6eb..455f8e05ca3f 100644 --- a/include/drm/drm_dp_helper.h +++ b/include/drm/drm_dp_helper.h @@ -338,4 +338,12 @@ u8 drm_dp_get_adjust_request_pre_emphasis(u8 link_status[DP_LINK_STATUS_SIZE], void drm_dp_link_train_clock_recovery_delay(u8 dpcd[DP_RECEIVER_CAP_SIZE]); void drm_dp_link_train_channel_eq_delay(u8 dpcd[DP_RECEIVER_CAP_SIZE]); +u8 drm_dp_link_rate_to_bw_code(int link_rate); +int drm_dp_bw_code_to_link_rate(u8 link_bw); + +static inline int +drm_dp_max_link_rate(u8 dpcd[DP_RECEIVER_CAP_SIZE]) +{ + return drm_dp_bw_code_to_link_rate(dpcd[DP_MAX_LINK_RATE]); +} #endif /* _DRM_DP_HELPER_H_ */ |