UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

drm/amd/display: Pass the right info to drm_dp_remove_payload 

[Why & How]
drm_dp_remove_payload() interface was changed. Correct amdgpu dm code
to pass the right parameter to the drm helper function.

Reviewed-by: Jerry Zuo <Jerry.Zuo@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Wayne Lin 2023-02-17 13:26:56 +08:00 committed by Alex Deucher
parent 09a9639e56
commit b8ca445f55
1 changed files with 50 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

57
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
View File

@ -177,6 +177,40 @@ void dm_helpers_dp_update_branch_info(
const struct dc_link *link)
{}
static void dm_helpers_construct_old_payload(
struct dc_link *link,
int pbn_per_slot,
struct drm_dp_mst_atomic_payload *new_payload,
struct drm_dp_mst_atomic_payload *old_payload)
{
struct link_mst_stream_allocation_table current_link_table =
link->mst_stream_alloc_table;
struct link_mst_stream_allocation *dc_alloc;
int i;
*old_payload = *new_payload;
/* Set correct time_slots/PBN of old payload.
* other fields (delete & dsc_enabled) in
* struct drm_dp_mst_atomic_payload are don't care fields
* while calling drm_dp_remove_payload()
*/
for (i = 0; i < current_link_table.stream_count; i++) {
dc_alloc =
&current_link_table.stream_allocations[i];
if (dc_alloc->vcp_id == new_payload->vcpi) {
old_payload->time_slots = dc_alloc->slot_count;
old_payload->pbn = dc_alloc->slot_count * pbn_per_slot;
break;
}
}
/* make sure there is an old payload*/
ASSERT(i != current_link_table.stream_count);
}
/*
* Writes payload allocation table in immediate downstream device.
*/
@ -188,7 +222,7 @@ bool dm_helpers_dp_mst_write_payload_allocation_table(
{
struct amdgpu_dm_connector *aconnector;
struct drm_dp_mst_topology_state *mst_state;
struct drm_dp_mst_atomic_payload *payload;
struct drm_dp_mst_atomic_payload *target_payload, *new_payload, old_payload;
struct drm_dp_mst_topology_mgr *mst_mgr;
aconnector = (struct amdgpu_dm_connector *)stream->dm_stream_context;
@ -204,17 +238,26 @@ bool dm_helpers_dp_mst_write_payload_allocation_table(
mst_state = to_drm_dp_mst_topology_state(mst_mgr->base.state);
/* It's OK for this to fail */
payload = drm_atomic_get_mst_payload_state(mst_state, aconnector->mst_output_port);
if (enable)
drm_dp_add_payload_part1(mst_mgr, mst_state, payload);
else
drm_dp_remove_payload(mst_mgr, mst_state, payload, payload);
new_payload = drm_atomic_get_mst_payload_state(mst_state, aconnector->mst_output_port);
if (enable) {
target_payload = new_payload;
drm_dp_add_payload_part1(mst_mgr, mst_state, new_payload);
} else {
/* construct old payload by VCPI*/
dm_helpers_construct_old_payload(stream->link, mst_state->pbn_div,
new_payload, &old_payload);
target_payload = &old_payload;
drm_dp_remove_payload(mst_mgr, mst_state, &old_payload, new_payload);
}
/* mst_mgr->->payloads are VC payload notify MST branch using DPCD or
* AUX message. The sequence is slot 1-63 allocated sequence for each
* stream. AMD ASIC stream slot allocation should follow the same
* sequence. copy DRM MST allocation to dc */
fill_dc_mst_payload_table_from_drm(stream->link, enable, payload, proposed_table);
fill_dc_mst_payload_table_from_drm(stream->link, enable, target_payload, proposed_table);
return true;
}