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path: root/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
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Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c')
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c84
1 files changed, 35 insertions, 49 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
index 7a0d6cfa77f5..bd9606307dc7 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
@@ -597,15 +597,8 @@ void amdgpu_dm_initialize_dp_connector(struct amdgpu_display_manager *dm,
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);
}
@@ -710,6 +703,7 @@ static int bpp_x16_from_pbn(struct dsc_mst_fairness_params param, int pbn)
}
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,
@@ -722,12 +716,9 @@ static bool increase_dsc_bpp(struct drm_atomic_state *state,
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] =
@@ -758,17 +749,17 @@ static bool increase_dsc_bpp(struct drm_atomic_state *state,
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_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);
@@ -777,8 +768,7 @@ static bool increase_dsc_bpp(struct drm_atomic_state *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 {
@@ -786,8 +776,7 @@ static bool increase_dsc_bpp(struct drm_atomic_state *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;
@@ -796,8 +785,7 @@ static bool increase_dsc_bpp(struct drm_atomic_state *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;
}
}
@@ -854,8 +842,7 @@ static bool try_disable_dsc(struct drm_atomic_state *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)) {
@@ -866,8 +853,7 @@ static bool try_disable_dsc(struct drm_atomic_state *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;
}
@@ -881,17 +867,27 @@ static bool compute_mst_dsc_configs_for_link(struct drm_atomic_state *state,
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};
@@ -950,11 +946,8 @@ static bool compute_mst_dsc_configs_for_link(struct drm_atomic_state *state,
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_time_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) {
@@ -968,21 +961,15 @@ static bool compute_mst_dsc_configs_for_link(struct drm_atomic_state *state,
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_time_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_time_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;
}
}
@@ -990,7 +977,7 @@ static bool compute_mst_dsc_configs_for_link(struct drm_atomic_state *state,
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))
@@ -1136,8 +1123,9 @@ bool compute_mst_dsc_configs_for_state(struct drm_atomic_state *state,
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;
}
@@ -1195,10 +1183,8 @@ static bool
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;
generated by cgit v1.2.3 (git 2.39.0) at 2024-07-27 05:51:40 +0300