diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c index b19dc4cfc030..7b51b8fde3fe 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c @@ -454,6 +454,22 @@ bool dm_helpers_submit_i2c( return result; } +bool dm_helpers_is_dp_sink_present(struct dc_link *link) +{ + bool dp_sink_present; + struct amdgpu_dm_connector *aconnector = link->priv; + + if (!aconnector) { + BUG_ON("Failed to found connector for link!"); + return true; + } + + mutex_lock(&aconnector->dm_dp_aux.aux.hw_mutex); + dp_sink_present = dc_link_is_dp_sink_present(link); + mutex_unlock(&aconnector->dm_dp_aux.aux.hw_mutex); + return dp_sink_present; +} + enum dc_edid_status dm_helpers_read_local_edid( struct dc_context *ctx, struct dc_link *link, |