diff options
| author | Jani Nikula <jani.nikula@intel.com> | 2014-11-11 16:48:03 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-11-14 10:29:26 +0100 |
| commit | c7e20736fa91729330becdfd67cb545220a0c904 (patch) | |
| tree | 1fddcc7fc390bcba23040bfc323a2cc701f50305 /drivers/gpu/drm/i915/i915_suspend.c | |
| parent | c549f738e7469ace5b0ed9848aa55bff428d0b62 (diff) | |
drm/i915/vlv: don't save panel power sequencer registers on suspend
Don't save the panel power sequencer register on vlv/chv for two simple
reasons. First, these are the wrong registers to save to begin
with. Second, they are not restored anyway.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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/i915_suspend.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_suspend.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c index 043123c77a1f..bd8adf2ca7d8 100644 --- a/drivers/gpu/drm/i915/i915_suspend.c +++ b/drivers/gpu/drm/i915/i915_suspend.c @@ -208,7 +208,6 @@ static void i915_save_display(struct drm_device *dev) if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) dev_priv->regfile.saveLVDS = I915_READ(PCH_LVDS); } else if (IS_VALLEYVIEW(dev)) { - dev_priv->regfile.savePP_CONTROL = I915_READ(PP_CONTROL); dev_priv->regfile.savePFIT_PGM_RATIOS = I915_READ(PFIT_PGM_RATIOS); dev_priv->regfile.saveBLC_HIST_CTL = @@ -230,7 +229,7 @@ static void i915_save_display(struct drm_device *dev) dev_priv->regfile.savePP_ON_DELAYS = I915_READ(PCH_PP_ON_DELAYS); dev_priv->regfile.savePP_OFF_DELAYS = I915_READ(PCH_PP_OFF_DELAYS); dev_priv->regfile.savePP_DIVISOR = I915_READ(PCH_PP_DIVISOR); - } else { + } else if (!IS_VALLEYVIEW(dev)) { dev_priv->regfile.savePP_ON_DELAYS = I915_READ(PP_ON_DELAYS); dev_priv->regfile.savePP_OFF_DELAYS = I915_READ(PP_OFF_DELAYS); dev_priv->regfile.savePP_DIVISOR = I915_READ(PP_DIVISOR); |