SSC for PLL_A is enabled for UHBR10 or UHBR20 regardless of the
need for SSC. This means the ssc_enabled variable had no say
to determine enablement of SSC on PLL A.
Bspec: 64568, 74165, 74489, 74491
Fixes: 237e7be0bf57 ("drm/i915/mtl: For DP2.0 10G and 20G rates use MPLLA")
Signed-off-by: Suraj Kandpal <suraj.kandpal@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_cx0_phy.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
index e768dc6a15b3..3fd959a2773c 100644
--- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c
+++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
@@ -2747,7 +2747,7 @@ static void intel_program_port_clock_ctl(struct intel_encoder *encoder,
/* TODO: HDMI FRL */
/* DP2.0 10G and 20G rates enable MPLLA*/
if (crtc_state->port_clock == 1000000 || crtc_state->port_clock == 2000000)
- val |= crtc_state->dpll_hw_state.cx0pll.ssc_enabled ? XELPDP_SSC_ENABLE_PLLA : 0;
+ val |= XELPDP_SSC_ENABLE_PLLA;
else
val |= crtc_state->dpll_hw_state.cx0pll.ssc_enabled ? XELPDP_SSC_ENABLE_PLLB : 0;
--
2.34.1
