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-rw-r--r--drivers/gpu/drm/i915/display/intel_dpll_mgr.c13
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
index 76a2c879efc2..f953971e7c3b 100644
--- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
+++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
@@ -2883,21 +2883,16 @@ static void icl_update_active_dpll(struct intel_atomic_state *state,
struct intel_crtc_state *crtc_state =
intel_atomic_get_new_crtc_state(state, crtc);
struct intel_digital_port *primary_port;
- enum icl_port_dpll_id port_dpll_id;
+ enum icl_port_dpll_id port_dpll_id = ICL_PORT_DPLL_DEFAULT;
primary_port = encoder->type == INTEL_OUTPUT_DP_MST ?
enc_to_mst(&encoder->base)->primary :
enc_to_dig_port(&encoder->base);
- switch (primary_port->tc_mode) {
- case TC_PORT_TBT_ALT:
- port_dpll_id = ICL_PORT_DPLL_DEFAULT;
- break;
- case TC_PORT_DP_ALT:
- case TC_PORT_LEGACY:
+ if (primary_port &&
+ (primary_port->tc_mode == TC_PORT_DP_ALT ||
+ primary_port->tc_mode == TC_PORT_LEGACY))
port_dpll_id = ICL_PORT_DPLL_MG_PHY;
- break;
- }
icl_set_active_port_dpll(crtc_state, port_dpll_id);
}
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