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 | 104 |
1 files changed, 33 insertions, 71 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 0177a275b4df..988b9bf34c93 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 @@ -27,6 +27,7 @@ #include <linux/acpi.h> #include <linux/i2c.h> +#include <drm/drm_atomic.h> #include <drm/drm_probe_helper.h> #include <drm/amdgpu_drm.h> #include <drm/drm_edid.h> @@ -154,40 +155,27 @@ enum dc_edid_status dm_helpers_parse_edid_caps( } static void -fill_dc_mst_payload_table_from_drm(struct amdgpu_dm_connector *aconnector, - struct dc_dp_mst_stream_allocation_table *proposed_table) +fill_dc_mst_payload_table_from_drm(struct drm_dp_mst_topology_state *mst_state, + struct amdgpu_dm_connector *aconnector, + struct dc_dp_mst_stream_allocation_table *table) { - int i; - struct drm_dp_mst_topology_mgr *mst_mgr = - &aconnector->mst_port->mst_mgr; - - mutex_lock(&mst_mgr->payload_lock); - - proposed_table->stream_count = 0; - - /* number of active streams */ - for (i = 0; i < mst_mgr->max_payloads; i++) { - if (mst_mgr->payloads[i].num_slots == 0) - break; /* end of vcp_id table */ - - ASSERT(mst_mgr->payloads[i].payload_state != - DP_PAYLOAD_DELETE_LOCAL); - - if (mst_mgr->payloads[i].payload_state == DP_PAYLOAD_LOCAL || - mst_mgr->payloads[i].payload_state == - DP_PAYLOAD_REMOTE) { - - struct dc_dp_mst_stream_allocation *sa = - &proposed_table->stream_allocations[ - proposed_table->stream_count]; - - sa->slot_count = mst_mgr->payloads[i].num_slots; - sa->vcp_id = mst_mgr->proposed_vcpis[i]->vcpi; - proposed_table->stream_count++; - } + struct dc_dp_mst_stream_allocation_table new_table = { 0 }; + struct dc_dp_mst_stream_allocation *sa; + struct drm_dp_mst_atomic_payload *payload; + + /* Fill payload info*/ + list_for_each_entry(payload, &mst_state->payloads, next) { + if (payload->delete) + continue; + + sa = &new_table.stream_allocations[new_table.stream_count]; + sa->slot_count = payload->time_slots; + sa->vcp_id = payload->vcpi; + new_table.stream_count++; } - mutex_unlock(&mst_mgr->payload_lock); + /* Overwrite the old table */ + *table = new_table; } void dm_helpers_dp_update_branch_info( @@ -205,11 +193,9 @@ bool dm_helpers_dp_mst_write_payload_allocation_table( bool enable) { struct amdgpu_dm_connector *aconnector; - struct dm_connector_state *dm_conn_state; + struct drm_dp_mst_topology_state *mst_state; + struct drm_dp_mst_atomic_payload *payload; struct drm_dp_mst_topology_mgr *mst_mgr; - struct drm_dp_mst_port *mst_port; - bool ret; - u8 link_coding_cap = DP_8b_10b_ENCODING; aconnector = (struct amdgpu_dm_connector *)stream->dm_stream_context; /* Accessing the connector state is required for vcpi_slots allocation @@ -220,40 +206,21 @@ bool dm_helpers_dp_mst_write_payload_allocation_table( if (!aconnector || !aconnector->mst_port) return false; - dm_conn_state = to_dm_connector_state(aconnector->base.state); - mst_mgr = &aconnector->mst_port->mst_mgr; - - if (!mst_mgr->mst_state) - return false; - - mst_port = aconnector->port; - -#if defined(CONFIG_DRM_AMD_DC_DCN) - link_coding_cap = dc_link_dp_mst_decide_link_encoding_format(aconnector->dc_link); -#endif - - if (enable) { - - ret = drm_dp_mst_allocate_vcpi(mst_mgr, mst_port, - dm_conn_state->pbn, - dm_conn_state->vcpi_slots); - if (!ret) - return false; - - } else { - drm_dp_mst_reset_vcpi_slots(mst_mgr, mst_port); - } + mst_state = to_drm_dp_mst_topology_state(mst_mgr->base.state); /* It's OK for this to fail */ - drm_dp_update_payload_part1(mst_mgr, (link_coding_cap == DP_CAP_ANSI_128B132B) ? 0:1); + payload = drm_atomic_get_mst_payload_state(mst_state, aconnector->port); + if (enable) + drm_dp_add_payload_part1(mst_mgr, mst_state, payload); + else + drm_dp_remove_payload(mst_mgr, mst_state, 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(aconnector, proposed_table); + fill_dc_mst_payload_table_from_drm(mst_state, aconnector, proposed_table); return true; } @@ -310,8 +277,9 @@ bool dm_helpers_dp_mst_send_payload_allocation( bool enable) { struct amdgpu_dm_connector *aconnector; + struct drm_dp_mst_topology_state *mst_state; struct drm_dp_mst_topology_mgr *mst_mgr; - struct drm_dp_mst_port *mst_port; + struct drm_dp_mst_atomic_payload *payload; enum mst_progress_status set_flag = MST_ALLOCATE_NEW_PAYLOAD; enum mst_progress_status clr_flag = MST_CLEAR_ALLOCATED_PAYLOAD; @@ -320,19 +288,16 @@ bool dm_helpers_dp_mst_send_payload_allocation( if (!aconnector || !aconnector->mst_port) return false; - mst_port = aconnector->port; - mst_mgr = &aconnector->mst_port->mst_mgr; + mst_state = to_drm_dp_mst_topology_state(mst_mgr->base.state); - if (!mst_mgr->mst_state) - return false; - + payload = drm_atomic_get_mst_payload_state(mst_state, aconnector->port); if (!enable) { set_flag = MST_CLEAR_ALLOCATED_PAYLOAD; clr_flag = MST_ALLOCATE_NEW_PAYLOAD; } - if (drm_dp_update_payload_part2(mst_mgr)) { + if (enable && drm_dp_add_payload_part2(mst_mgr, mst_state->base.state, payload)) { amdgpu_dm_set_mst_status(&aconnector->mst_status, set_flag, false); } else { @@ -342,9 +307,6 @@ bool dm_helpers_dp_mst_send_payload_allocation( clr_flag, false); } - if (!enable) - drm_dp_mst_deallocate_vcpi(mst_mgr, mst_port); - return true; } |