diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2015-05-26 20:22:38 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-05-28 11:13:50 +0200 |
| commit | bc284542dad88046eefa3a8d4d9907529c4af9e0 (patch) | |
| tree | aba9b2d7c714e329b7ed18e1c22fcc6db587c0e3 /drivers/gpu/drm/i915/intel_runtime_pm.c | |
| parent | d63f820f39ee7b3f8dd4ac04ff27511fbf653e9a (diff) | |
drm/i915: Use the default 600ns LDO programming sequence delay
Not sure which LDO programming sequence delay should be used for the CHV
PHY, but the spec says that 600ns is "Used by default for initial
bringup", and the BIOS seems to use that, so let's do the same.
Reviewed-by: Deepak S <deepak.s@linux.intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_runtime_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_runtime_pm.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c index 3800be4ad76b..720b0c63b63c 100644 --- a/drivers/gpu/drm/i915/intel_runtime_pm.c +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c @@ -1724,6 +1724,8 @@ static void chv_phy_control_init(struct drm_i915_private *dev_priv) * value. */ dev_priv->chv_phy_control = + PHY_LDO_SEQ_DELAY(PHY_LDO_DELAY_600NS, DPIO_PHY0) | + PHY_LDO_SEQ_DELAY(PHY_LDO_DELAY_600NS, DPIO_PHY1) | PHY_CH_POWER_MODE(PHY_CH_SU_PSR, DPIO_PHY0, DPIO_CH0) | PHY_CH_POWER_MODE(PHY_CH_SU_PSR, DPIO_PHY0, DPIO_CH1) | PHY_CH_POWER_MODE(PHY_CH_SU_PSR, DPIO_PHY1, DPIO_CH0); |