diff options
| author | Imre Deak <imre.deak@intel.com> | 2016-04-01 16:02:42 +0300 |
|---|---|---|
| committer | Imre Deak <imre.deak@intel.com> | 2016-04-15 14:48:18 +0300 |
| commit | d7d7c9ee699a0b85de0023433cdbd8f965e1ac08 (patch) | |
| tree | 30dc18dd7adb6bd3bfd73826481fdad6cf844bba /drivers/gpu/drm/i915/intel_dpll_mgr.c | |
| parent | d7d33fd85a6574ddce4cc0340f1856434b6a38ec (diff) | |
| download | linux-d7d7c9ee699a0b85de0023433cdbd8f965e1ac08.tar.bz2 | |
drm/i915/bxt: Don't toggle power well 1 on-demand
Power well 1 is managed by the DMC firmware so don't toggle it on-demand
from the driver. This means we need to follow the BSpec display
initialization sequence during driver loading and resuming (both system
and runtime) and enable power well 1 only once there. Afterwards DMC
will toggle power well 1 whenever entering/exiting DC5.
For this to work we also need to do away getting the PLL power domain,
since that just kept runtime PM disabled for good.
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1459515767-29228-12-git-send-email-imre.deak@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dpll_mgr.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dpll_mgr.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_dpll_mgr.c b/drivers/gpu/drm/i915/intel_dpll_mgr.c index 8db77cce2ab3..763132d1b63f 100644 --- a/drivers/gpu/drm/i915/intel_dpll_mgr.c +++ b/drivers/gpu/drm/i915/intel_dpll_mgr.c @@ -1652,10 +1652,7 @@ static void intel_ddi_pll_init(struct drm_device *dev) DRM_DEBUG_KMS("Sanitized cdclk programmed by pre-os\n"); if (!(I915_READ(LCPLL1_CTL) & LCPLL_PLL_ENABLE)) DRM_ERROR("LCPLL1 is disabled\n"); - } else if (IS_BROXTON(dev)) { - broxton_init_cdclk(dev_priv); - broxton_ddi_phy_init(dev_priv); - } else { + } else if (!IS_BROXTON(dev_priv)) { /* * The LCPLL register should be turned on by the BIOS. For now * let's just check its state and print errors in case |