diff options
| author | Charlene Liu <Charlene.Liu@amd.com> | 2021-06-22 21:32:53 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-07-21 13:39:25 -0400 |
| commit | 1e9653a41aaf39c33248ddbd4059ad3cb462a214 (patch) | |
| tree | 0cf4a3a1a4987572e149e6a695fa15fef93450e7 /drivers/gpu/drm/amd/display/dc/core/dc_link.c | |
| parent | ad43a647bcdb654f9eecd7846f80914765fed266 (diff) | |
| download | linux-1e9653a41aaf39c33248ddbd4059ad3cb462a214.tar.bz2 | |
drm/amd/display: reset dpcd_cap.dpcd_rev for passive dongle.
[why]
currently dc has never reset this dpcd_cap.dpcd_rev.
[how]
ideally we should reset this before redo detection.
change the passive dongle only for now to reduce the impact.
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Charlene Liu <Charlene.Liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core/dc_link.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c index 6132b645bfd1..655b48c5ef37 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -541,6 +541,7 @@ static void link_disconnect_sink(struct dc_link *link) } link->dpcd_sink_count = 0; + //link->dpcd_caps.dpcd_rev.raw = 0; } static void link_disconnect_remap(struct dc_sink *prev_sink, struct dc_link *link) @@ -742,6 +743,7 @@ static bool detect_dp(struct dc_link *link, sink_caps, audio_support); link->dpcd_caps.dongle_type = sink_caps->dongle_type; + link->dpcd_caps.dpcd_rev.raw = 0; } return true; |