}
static int dm_dp_mst_atomic_check(struct drm_connector *connector,
- struct drm_atomic_state *state)
+ struct drm_atomic_state *state)
{
- struct drm_connector_state *new_conn_state =
- drm_atomic_get_new_connector_state(state, connector);
- struct drm_connector_state *old_conn_state =
- drm_atomic_get_old_connector_state(state, connector);
struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
- struct drm_crtc_state *new_crtc_state;
- struct drm_dp_mst_topology_mgr *mst_mgr;
- struct drm_dp_mst_port *mst_port;
+ struct drm_dp_mst_topology_mgr *mst_mgr = &aconnector->mst_port->mst_mgr;
+ struct drm_dp_mst_port *mst_port = aconnector->port;
- mst_port = aconnector->port;
- mst_mgr = &aconnector->mst_port->mst_mgr;
-
- if (!old_conn_state->crtc)
- return 0;
-
- if (new_conn_state->crtc) {
- new_crtc_state = drm_atomic_get_new_crtc_state(state, new_conn_state->crtc);
- if (!new_crtc_state ||
- !drm_atomic_crtc_needs_modeset(new_crtc_state) ||
- new_crtc_state->enable)
- return 0;
- }
-
- return drm_dp_atomic_release_vcpi_slots(state,
- mst_mgr,
- mst_port);
+ return drm_dp_atomic_release_time_slots(state, mst_mgr, mst_port);
}
static const struct drm_connector_helper_funcs dm_dp_mst_connector_helper_funcs = {
dc_link_dp_get_max_link_enc_cap(aconnector->dc_link, &max_link_enc_cap);
aconnector->mst_mgr.cbs = &dm_mst_cbs;
- drm_dp_mst_topology_mgr_init(
- &aconnector->mst_mgr,
- adev_to_drm(dm->adev),
- &aconnector->dm_dp_aux.aux,
- 16,
- 4,
- max_link_enc_cap.lane_count,
- drm_dp_bw_code_to_link_rate(max_link_enc_cap.link_rate),
- aconnector->connector_id);
+ drm_dp_mst_topology_mgr_init(&aconnector->mst_mgr, adev_to_drm(dm->adev),
+ &aconnector->dm_dp_aux.aux, 16, 4, aconnector->connector_id);
drm_connector_attach_dp_subconnector_property(&aconnector->base);
}
}
static bool increase_dsc_bpp(struct drm_atomic_state *state,
+ struct drm_dp_mst_topology_state *mst_state,
struct dc_link *dc_link,
struct dsc_mst_fairness_params *params,
struct dsc_mst_fairness_vars *vars,
int min_initial_slack;
int next_index;
int remaining_to_increase = 0;
- int pbn_per_timeslot;
int link_timeslots_used;
int fair_pbn_alloc;
- pbn_per_timeslot = dm_mst_get_pbn_divider(dc_link);
-
for (i = 0; i < count; i++) {
if (vars[i + k].dsc_enabled) {
initial_slack[i] =
link_timeslots_used = 0;
for (i = 0; i < count; i++)
- link_timeslots_used += DIV_ROUND_UP(vars[i + k].pbn, pbn_per_timeslot);
+ link_timeslots_used += DIV_ROUND_UP(vars[i + k].pbn, mst_state->pbn_div);
- fair_pbn_alloc = (63 - link_timeslots_used) / remaining_to_increase * pbn_per_timeslot;
+ fair_pbn_alloc =
+ (63 - link_timeslots_used) / remaining_to_increase * mst_state->pbn_div;
if (initial_slack[next_index] > fair_pbn_alloc) {
vars[next_index].pbn += fair_pbn_alloc;
- if (drm_dp_atomic_find_vcpi_slots(state,
+ if (drm_dp_atomic_find_time_slots(state,
params[next_index].port->mgr,
params[next_index].port,
- vars[next_index].pbn,
- pbn_per_timeslot) < 0)
+ vars[next_index].pbn) < 0)
return false;
if (!drm_dp_mst_atomic_check(state)) {
vars[next_index].bpp_x16 = bpp_x16_from_pbn(params[next_index], vars[next_index].pbn);
} else {
vars[next_index].pbn -= fair_pbn_alloc;
- if (drm_dp_atomic_find_vcpi_slots(state,
+ if (drm_dp_atomic_find_time_slots(state,
params[next_index].port->mgr,
params[next_index].port,
- vars[next_index].pbn,
- pbn_per_timeslot) < 0)
+ vars[next_index].pbn) < 0)
return false;
}
} else {
vars[next_index].pbn += initial_slack[next_index];
- if (drm_dp_atomic_find_vcpi_slots(state,
+ if (drm_dp_atomic_find_time_slots(state,
params[next_index].port->mgr,
params[next_index].port,
- vars[next_index].pbn,
- pbn_per_timeslot) < 0)
+ vars[next_index].pbn) < 0)
return false;
if (!drm_dp_mst_atomic_check(state)) {
vars[next_index].bpp_x16 = params[next_index].bw_range.max_target_bpp_x16;
} else {
vars[next_index].pbn -= initial_slack[next_index];
- if (drm_dp_atomic_find_vcpi_slots(state,
+ if (drm_dp_atomic_find_time_slots(state,
params[next_index].port->mgr,
params[next_index].port,
- vars[next_index].pbn,
- pbn_per_timeslot) < 0)
+ vars[next_index].pbn) < 0)
return false;
}
}
break;
vars[next_index].pbn = kbps_to_peak_pbn(params[next_index].bw_range.stream_kbps);
- if (drm_dp_atomic_find_vcpi_slots(state,
+ if (drm_dp_atomic_find_time_slots(state,
params[next_index].port->mgr,
params[next_index].port,
- vars[next_index].pbn,
- dm_mst_get_pbn_divider(dc_link)) < 0)
+ vars[next_index].pbn) < 0)
return false;
if (!drm_dp_mst_atomic_check(state)) {
vars[next_index].bpp_x16 = 0;
} else {
vars[next_index].pbn = kbps_to_peak_pbn(params[next_index].bw_range.max_kbps);
- if (drm_dp_atomic_find_vcpi_slots(state,
+ if (drm_dp_atomic_find_time_slots(state,
params[next_index].port->mgr,
params[next_index].port,
- vars[next_index].pbn,
- dm_mst_get_pbn_divider(dc_link)) < 0)
+ vars[next_index].pbn) < 0)
return false;
}
struct dc_state *dc_state,
struct dc_link *dc_link,
struct dsc_mst_fairness_vars *vars,
+ struct drm_dp_mst_topology_mgr *mgr,
int *link_vars_start_index)
{
- int i, k;
struct dc_stream_state *stream;
struct dsc_mst_fairness_params params[MAX_PIPES];
struct amdgpu_dm_connector *aconnector;
+ struct drm_dp_mst_topology_state *mst_state = drm_atomic_get_mst_topology_state(state, mgr);
int count = 0;
+ int i, k;
bool debugfs_overwrite = false;
memset(params, 0, sizeof(params));
+ if (IS_ERR(mst_state))
+ return false;
+
+ mst_state->pbn_div = dm_mst_get_pbn_divider(dc_link);
+#if defined(CONFIG_DRM_AMD_DC_DCN)
+ drm_dp_mst_update_slots(mst_state, dc_link_dp_mst_decide_link_encoding_format(dc_link));
+#endif
+
/* Set up params */
for (i = 0; i < dc_state->stream_count; i++) {
struct dc_dsc_policy dsc_policy = {0};
vars[i + k].pbn = kbps_to_peak_pbn(params[i].bw_range.stream_kbps);
vars[i + k].dsc_enabled = false;
vars[i + k].bpp_x16 = 0;
- if (drm_dp_atomic_find_vcpi_slots(state,
- params[i].port->mgr,
- params[i].port,
- vars[i + k].pbn,
- dm_mst_get_pbn_divider(dc_link)) < 0)
+ if (drm_dp_atomic_find_time_slots(state, params[i].port->mgr, params[i].port,
+ vars[i + k].pbn) < 0)
return false;
}
if (!drm_dp_mst_atomic_check(state) && !debugfs_overwrite) {
vars[i + k].pbn = kbps_to_peak_pbn(params[i].bw_range.min_kbps);
vars[i + k].dsc_enabled = true;
vars[i + k].bpp_x16 = params[i].bw_range.min_target_bpp_x16;
- if (drm_dp_atomic_find_vcpi_slots(state,
- params[i].port->mgr,
- params[i].port,
- vars[i + k].pbn,
- dm_mst_get_pbn_divider(dc_link)) < 0)
+ if (drm_dp_atomic_find_time_slots(state, params[i].port->mgr,
+ params[i].port, vars[i + k].pbn) < 0)
return false;
} else {
vars[i + k].pbn = kbps_to_peak_pbn(params[i].bw_range.stream_kbps);
vars[i + k].dsc_enabled = false;
vars[i + k].bpp_x16 = 0;
- if (drm_dp_atomic_find_vcpi_slots(state,
- params[i].port->mgr,
- params[i].port,
- vars[i + k].pbn,
- dm_mst_get_pbn_divider(dc_link)) < 0)
+ if (drm_dp_atomic_find_time_slots(state, params[i].port->mgr,
+ params[i].port, vars[i + k].pbn) < 0)
return false;
}
}
return false;
/* Optimize degree of compression */
- if (!increase_dsc_bpp(state, dc_link, params, vars, count, k))
+ if (!increase_dsc_bpp(state, mst_state, dc_link, params, vars, count, k))
return false;
if (!try_disable_dsc(state, dc_link, params, vars, count, k))
continue;
mutex_lock(&aconnector->mst_mgr.lock);
- if (!compute_mst_dsc_configs_for_link(state, dc_state, stream->link,
- vars, &link_vars_start_index)) {
+ if (!compute_mst_dsc_configs_for_link(state, dc_state, stream->link, vars,
+ &aconnector->mst_mgr,
+ &link_vars_start_index)) {
mutex_unlock(&aconnector->mst_mgr.lock);
return false;
}
continue;
mutex_lock(&aconnector->mst_mgr.lock);
- if (!compute_mst_dsc_configs_for_link(state,
- dc_state,
- stream->link,
- vars,
+ if (!compute_mst_dsc_configs_for_link(state, dc_state, stream->link, vars,
+ &aconnector->mst_mgr,
&link_vars_start_index)) {
mutex_unlock(&aconnector->mst_mgr.lock);
return false;
projects / platform / kernel / linux-starfive.git / blobdiff