diff options
| author | George Shen <george.shen@amd.com> | 2019-12-17 14:34:33 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-01-16 14:15:17 -0500 |
| commit | ee76592482d34c56c17dd8b75bf8e30deeb1e6af (patch) | |
| tree | 9d1799d854f9ddc18c4f61206b0448968f6798f5 /drivers/gpu/drm/amd/display/dc/dc.h | |
| parent | 5adc673c775c8dd41cdfda098279a96f954c6ce9 (diff) | |
drm/amd/display: Add w/a to reset PHY before link training in verify_link_cap
[Why]
PHY will sometimes be in bad state on hotplugging display from USB-C
dongle.
[How]
Add additional calls to disable and then enable PHY before link training
starts during verify_link_cap.
Signed-off-by: George Shen <george.shen@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dc.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index ecd2257de80b..8c7ff9e322f1 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -421,6 +421,7 @@ struct dc_debug_options { bool disable_dram_clock_change_vactive_support; bool validate_dml_output; bool enable_dmcub_surface_flip; + bool usbc_combo_phy_reset_wa; }; struct dc_debug_data { |