[PATCH 2/3] drm/i915/dp: Set panel power cycle delay to 800ms instead of current 400ms
Manasi Navare
manasi.d.navare at intel.com
Wed Jun 21 00:14:14 UTC 2017
Also fix the hW readout to fix pps mismatch warning
Signed-off-by: Manasi Navare <manasi.d.navare at intel.com>
---
drivers/gpu/drm/i915/intel_dp.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 22f7014..dec13c9 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -5188,8 +5188,8 @@ intel_pps_readout_hw_state(struct drm_i915_private *dev_priv,
else
seq->t11_t12 = 0;
} else {
- seq->t11_t12 = ((pp_div & PANEL_POWER_CYCLE_DELAY_MASK) >>
- PANEL_POWER_CYCLE_DELAY_SHIFT) * 1000;
+ seq->t11_t12 = (((pp_div & PANEL_POWER_CYCLE_DELAY_MASK) >>
+ PANEL_POWER_CYCLE_DELAY_SHIFT) - 1) * 1000;
}
}
@@ -5262,7 +5262,8 @@ intel_dp_init_panel_power_sequencer(struct drm_device *dev,
assign_final(t8);
assign_final(t9);
assign_final(t10);
- assign_final(t11_t12);
+ //assign_final(t11_t12);
+ final->t11_t12 = 7000;
#undef assign_final
#define get_delay(field) (DIV_ROUND_UP(final->field, 10))
@@ -5345,7 +5346,7 @@ intel_dp_init_panel_power_sequencer_registers(struct drm_device *dev,
<< BXT_POWER_CYCLE_DELAY_SHIFT);
} else {
pp_div = ((100 * div)/2 - 1) << PP_REFERENCE_DIVIDER_SHIFT;
- pp_div |= (DIV_ROUND_UP(seq->t11_t12, 1000)
+ pp_div |= (DIV_ROUND_UP(8000, 1000)
<< PANEL_POWER_CYCLE_DELAY_SHIFT);
}
--
2.1.4
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