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| author | Manasi Navare <manasi.d.navare@intel.com> | 2017-06-26 22:21:45 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2017-06-27 12:55:21 +0300 |
| commit | 12c8ca9cf9bf5d53918068b1ebbd17ac6ef1d2f3 (patch) | |
| tree | f36fbdadfc94e6906e68a9da285ca3c7b0a652c2 /drivers | |
| parent | 770a17a5713af26d1490d4f669194ed959b88241 (diff) | |
| download | linux-12c8ca9cf9bf5d53918068b1ebbd17ac6ef1d2f3.tar.xz | |
drm/i915/dp: Remove -1/+1 from t11_t12 for Gen9_LP/CNP case
Now the VBT.seq->t11_t12 value adds 100ms to both Gen9_LP
as well as non Gen9_LP cases so no need to special case
and do -1 during HW readout and +1 during pp_div write
for Gen9_LP/CNP case.
Reviewed-by: Ville Syrjala <ville.syrjala@linux.intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Suggested-by: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Clint Taylor <clinton.a.taylor@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1498504905-21067-2-git-send-email-manasi.d.navare@intel.com
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 95ff5d678472..0445d11224d4 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -5203,12 +5203,8 @@ intel_pps_readout_hw_state(struct drm_i915_private *dev_priv, PANEL_POWER_DOWN_DELAY_SHIFT; if (IS_GEN9_LP(dev_priv) || HAS_PCH_CNP(dev_priv)) { - u16 tmp = (pp_ctl & BXT_POWER_CYCLE_DELAY_MASK) >> - BXT_POWER_CYCLE_DELAY_SHIFT; - if (tmp > 0) - seq->t11_t12 = (tmp - 1) * 1000; - else - seq->t11_t12 = 0; + seq->t11_t12 = ((pp_ctl & BXT_POWER_CYCLE_DELAY_MASK) >> + BXT_POWER_CYCLE_DELAY_SHIFT) * 1000; } else { seq->t11_t12 = ((pp_div & PANEL_POWER_CYCLE_DELAY_MASK) >> PANEL_POWER_CYCLE_DELAY_SHIFT) * 1000; @@ -5367,7 +5363,7 @@ intel_dp_init_panel_power_sequencer_registers(struct drm_device *dev, if (IS_GEN9_LP(dev_priv) || HAS_PCH_CNP(dev_priv)) { pp_div = I915_READ(regs.pp_ctrl); pp_div &= ~BXT_POWER_CYCLE_DELAY_MASK; - pp_div |= (DIV_ROUND_UP((seq->t11_t12 + 1), 1000) + pp_div |= (DIV_ROUND_UP(seq->t11_t12, 1000) << BXT_POWER_CYCLE_DELAY_SHIFT); } else { pp_div = ((100 * div)/2 - 1) << PP_REFERENCE_DIVIDER_SHIFT; |