diff options
| author | Jesse Barnes | 2014-05-23 22:16:45 +0200 |
|---|---|---|
| committer | Daniel Vetter | 2014-06-05 08:52:37 +0200 |
| commit | 4dfbd12c33a7f76cdf38b9edcc21b06223b33268 (patch) | |
| tree | 247cb85706071ec74d98541376f7904a962ed81c /drivers/gpu/drm/i915/intel_pm.c | |
| parent | drm/i915/vlv: move DPIO common reset de-assert into __vlv_set_power_well (diff) | |
| download | kernel-qcow2-linux-4dfbd12c33a7f76cdf38b9edcc21b06223b33268.tar.gz kernel-qcow2-linux-4dfbd12c33a7f76cdf38b9edcc21b06223b33268.tar.xz kernel-qcow2-linux-4dfbd12c33a7f76cdf38b9edcc21b06223b33268.zip | |
drm/i915/vlv: add pll assertion when disabling DPIO common well
When doing this, all PLLs should be disabled.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-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_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index cca93d06894c..b86edac51be2 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -5711,9 +5711,11 @@ static bool i9xx_always_on_power_well_enabled(struct drm_i915_private *dev_priv, void __vlv_set_power_well(struct drm_i915_private *dev_priv, enum punit_power_well power_well_id, bool enable) { + struct drm_device *dev = dev_priv->dev; u32 mask; u32 state; u32 ctrl; + enum pipe pipe; if (power_well_id == PUNIT_POWER_WELL_DPIO_CMN_BC) { if (enable) { @@ -5727,6 +5729,8 @@ void __vlv_set_power_well(struct drm_i915_private *dev_priv, DPLL_INTEGRATED_CRI_CLK_VLV); udelay(1); /* >10ns for cmnreset, >0ns for sidereset */ } else { + for_each_pipe(pipe) + assert_pll_disabled(dev_priv, pipe); /* Assert common reset */ I915_WRITE(DPIO_CTL, I915_READ(DPIO_CTL) & ~DPIO_CMNRST); |