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-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c2
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c19
2 files changed, 10 insertions, 11 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 7094c3b2c4f7..991516e5c6cc 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -5452,7 +5452,7 @@ static int dm_encoder_helper_atomic_check(struct drm_encoder *encoder,
mst_mgr,
mst_port,
dm_new_connector_state->pbn,
- 0);
+ dm_mst_get_pbn_divider(aconnector->dc_link));
if (dm_new_connector_state->vcpi_slots < 0) {
DRM_DEBUG_ATOMIC("failed finding vcpi slots: %d\n", (int)dm_new_connector_state->vcpi_slots);
return dm_new_connector_state->vcpi_slots;
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 ae0a7ef1d595..cf15248739f7 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
@@ -522,6 +522,8 @@ static void increase_dsc_bpp(struct drm_atomic_state *state,
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].dsc_enabled) {
initial_slack[i] = kbps_to_peak_pbn(params[i].bw_range.max_kbps) - vars[i].pbn;
@@ -533,9 +535,6 @@ static void increase_dsc_bpp(struct drm_atomic_state *state,
}
}
- pbn_per_timeslot = dc_link_bandwidth_kbps(dc_link,
- dc_link_get_link_cap(dc_link)) / (8 * 1000 * 54);
-
while (remaining_to_increase) {
next_index = -1;
min_initial_slack = -1;
@@ -564,7 +563,7 @@ static void increase_dsc_bpp(struct drm_atomic_state *state,
params[next_index].port->mgr,
params[next_index].port,
vars[next_index].pbn,
- dm_mst_get_pbn_divider(dc_link)) < 0)
+ pbn_per_timeslot) < 0)
return;
if (!drm_dp_mst_atomic_check(state)) {
vars[next_index].bpp_x16 = bpp_x16_from_pbn(params[next_index], vars[next_index].pbn);
@@ -574,7 +573,7 @@ static void increase_dsc_bpp(struct drm_atomic_state *state,
params[next_index].port->mgr,
params[next_index].port,
vars[next_index].pbn,
- dm_mst_get_pbn_divider(dc_link)) < 0)
+ pbn_per_timeslot) < 0)
return;
}
} else {
@@ -583,7 +582,7 @@ static void increase_dsc_bpp(struct drm_atomic_state *state,
params[next_index].port->mgr,
params[next_index].port,
vars[next_index].pbn,
- dm_mst_get_pbn_divider(dc_link)) < 0)
+ pbn_per_timeslot) < 0)
return;
if (!drm_dp_mst_atomic_check(state)) {
vars[next_index].bpp_x16 = params[next_index].bw_range.max_target_bpp_x16;
@@ -593,7 +592,7 @@ static void increase_dsc_bpp(struct drm_atomic_state *state,
params[next_index].port->mgr,
params[next_index].port,
vars[next_index].pbn,
- dm_mst_get_pbn_divider(dc_link)) < 0)
+ pbn_per_timeslot) < 0)
return;
}
}
@@ -647,7 +646,7 @@ static void try_disable_dsc(struct drm_atomic_state *state,
params[next_index].port->mgr,
params[next_index].port,
vars[next_index].pbn,
- 0) < 0)
+ dm_mst_get_pbn_divider(dc_link)) < 0)
return;
if (!drm_dp_mst_atomic_check(state)) {
@@ -718,7 +717,7 @@ static bool compute_mst_dsc_configs_for_link(struct drm_atomic_state *state,
params[i].port->mgr,
params[i].port,
vars[i].pbn,
- 0) < 0)
+ dm_mst_get_pbn_divider(dc_link)) < 0)
return false;
}
if (!drm_dp_mst_atomic_check(state)) {
@@ -746,7 +745,7 @@ static bool compute_mst_dsc_configs_for_link(struct drm_atomic_state *state,
params[i].port->mgr,
params[i].port,
vars[i].pbn,
- 0) < 0)
+ dm_mst_get_pbn_divider(dc_link)) < 0)
return false;
}
}