summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/gpu/drm/i915/display/intel_ddi.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index ba83682e1d3e..64a952db8528 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -3716,6 +3716,9 @@ void intel_ddi_get_clock(struct intel_encoder *encoder,
struct icl_port_dpll *port_dpll = &crtc_state->icl_port_dplls[port_dpll_id];
bool pll_active;
+ if (drm_WARN_ON(&i915->drm, !pll))
+ return;
+
port_dpll->pll = pll;
pll_active = intel_dpll_get_hw_state(i915, pll, &port_dpll->hw_state);
drm_WARN_ON(&i915->drm, !pll_active);
@@ -3754,16 +3757,17 @@ static void icl_ddi_combo_get_config(struct intel_encoder *encoder,
intel_ddi_get_config(encoder, crtc_state);
}
-static void icl_ddi_tc_get_config(struct intel_encoder *encoder,
- struct intel_crtc_state *crtc_state)
+static void icl_ddi_tc_get_clock(struct intel_encoder *encoder,
+ struct intel_crtc_state *crtc_state,
+ struct intel_shared_dpll *pll)
{
struct drm_i915_private *i915 = to_i915(encoder->base.dev);
enum icl_port_dpll_id port_dpll_id;
struct icl_port_dpll *port_dpll;
- struct intel_shared_dpll *pll;
bool pll_active;
- pll = icl_ddi_tc_get_pll(encoder);
+ if (drm_WARN_ON(&i915->drm, !pll))
+ return;
if (intel_get_shared_dpll_id(i915, pll) == DPLL_ID_ICL_TBTPLL)
port_dpll_id = ICL_PORT_DPLL_DEFAULT;
@@ -3783,7 +3787,12 @@ static void icl_ddi_tc_get_config(struct intel_encoder *encoder,
else
crtc_state->port_clock = intel_dpll_get_freq(i915, crtc_state->shared_dpll,
&crtc_state->dpll_hw_state);
+}
+static void icl_ddi_tc_get_config(struct intel_encoder *encoder,
+ struct intel_crtc_state *crtc_state)
+{
+ icl_ddi_tc_get_clock(encoder, crtc_state, icl_ddi_tc_get_pll(encoder));
intel_ddi_get_config(encoder, crtc_state);
}