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| author |   Jimmy Kizito <Jimmy.Kizito@amd.com> | 2021-04-09 22:23:53 -0400 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2021-05-10 18:10:08 -0400 |
| commit | 573a0a03af025304342ff80d0653ad7ef11524f0 (patch) | |
| tree | 80375a54f981d148b40fe646159a549c9589d5ce /drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h | |
| parent | drm/amd/display: Add fallback and abort paths for DP link training. (diff) | |
| download | linux-dev-573a0a03af025304342ff80d0653ad7ef11524f0.tar.xz linux-dev-573a0a03af025304342ff80d0653ad7ef11524f0.zip | |
drm/amd/display: Expand DP module training API.
[Why & How]
Add functionality useful for DP link training to public interface.
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h b/drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h index 38e6fbf1e26d..428842511c03 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h +++ b/drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h @@ -97,5 +97,12 @@ void dp_set_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable); bool dp_update_dsc_config(struct pipe_ctx *pipe_ctx); bool dp_set_dsc_on_rx(struct pipe_ctx *pipe_ctx, bool enable); +/* Convert PHY repeater count read from DPCD uint8_t. */ +uint8_t dp_convert_to_count(uint8_t lttpr_repeater_count); + +/* Check DPCD training status registers to detect link loss. */ +enum link_training_result dp_check_link_loss_status( + struct dc_link *link, + const struct link_training_settings *link_training_setting); #endif /* __DC_LINK_DP_H__ */ |