Port clock is link rate in 10 kbit/s units. Take this into account when
calculating AUX Less wake time.
Fixes: da6a9836ac09 ("drm/i915/psr: Calculate aux less wake time")
Signed-off-by: Jouni Högander <jouni.hogander@xxxxxxxxx>
Reviewed-by: Animesh Manna <animesh.manna@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_alpm.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_alpm.c b/drivers/gpu/drm/i915/display/intel_alpm.c
index 90072f6e3a33..67848fc1e24d 100644
--- a/drivers/gpu/drm/i915/display/intel_alpm.c
+++ b/drivers/gpu/drm/i915/display/intel_alpm.c
@@ -125,7 +125,8 @@ static int _lnl_compute_aux_less_wake_time(int port_clock)
int tsilence_max = 180;
int t1 = 50 * 1000;
int tps4 = 252;
- int tml_phy_lock = 1000 * 1000 * tps4 * 10 / port_clock;
+ /* port_clock is link rate in 10kbit/s units */
+ int tml_phy_lock = 1000 * 1000 * tps4 / port_clock;
int num_ml_phy_lock = 7 + DIV_ROUND_UP(6500, tml_phy_lock) + 1;
int t2 = num_ml_phy_lock * tml_phy_lock;
int tcds = 1 * t2;
--
2.34.1
