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drm/amd/display: Cleanup MST non-atomic code workaround 

[why]
It is not correct to touch aconnector within atomic_check.

[How]
It was added as workaround before, and no longer needed.

Signed-off-by: Jerry (Fangzhi) Zuo <Jerry.Zuo@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jerry (Fangzhi) Zuo 2018-10-30 14:28:49 -04:00 committed by Alex Deucher
parent 108110a3ff
commit 8be17ac95f
3 changed files with 4 additions and 46 deletions
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11
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
View File

@ -2703,18 +2703,11 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector,
drm_connector = &aconnector->base;
if (!aconnector->dc_sink) {
/*
* Create dc_sink when necessary to MST
* Don't apply fake_sink to MST
*/
if (aconnector->mst_port) {
dm_dp_mst_dc_sink_create(drm_connector);
return stream;
}
if (!aconnector->mst_port) {
sink = create_fake_sink(aconnector);
if (!sink)
return stream;
}
} else {
sink = aconnector->dc_sink;
}

34
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
View File

@ -205,40 +205,6 @@ static const struct drm_connector_funcs dm_dp_mst_connector_funcs = {
.atomic_get_property = amdgpu_dm_connector_atomic_get_property
};
void dm_dp_mst_dc_sink_create(struct drm_connector *connector)
{
struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
struct dc_sink *dc_sink;
struct dc_sink_init_data init_params = {
.link = aconnector->dc_link,
.sink_signal = SIGNAL_TYPE_DISPLAY_PORT_MST };
/* FIXME none of this is safe. we shouldn't touch aconnector here in
* atomic_check
*/
/*
* TODO: Need to further figure out why ddc.algo is NULL while MST port exists
*/
if (!aconnector->port || !aconnector->port->aux.ddc.algo)
return;
ASSERT(aconnector->edid);
dc_sink = dc_link_add_remote_sink(
aconnector->dc_link,
(uint8_t *)aconnector->edid,
(aconnector->edid->extensions + 1) * EDID_LENGTH,
&init_params);
dc_sink->priv = aconnector;
aconnector->dc_sink = dc_sink;
if (aconnector->dc_sink)
amdgpu_dm_update_freesync_caps(
connector, aconnector->edid);
}
static int dm_dp_mst_get_modes(struct drm_connector *connector)
{
struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);

1
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h
View File

@ -31,6 +31,5 @@ struct amdgpu_dm_connector;
void amdgpu_dm_initialize_dp_connector(struct amdgpu_display_manager *dm,
struct amdgpu_dm_connector *aconnector);
void dm_dp_mst_dc_sink_create(struct drm_connector *connector);
#endif