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| 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_drv.h | |
| parent | d7d33fd85a6574ddce4cc0340f1856434b6a38ec (diff) | |
| download | lwn-d7d7c9ee699a0b85de0023433cdbd8f965e1ac08.tar.gz lwn-d7d7c9ee699a0b85de0023433cdbd8f965e1ac08.zip | |
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_drv.h')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_drv.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index b644fb72c4a6..f8c26a5b715a 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -1462,6 +1462,8 @@ int intel_power_domains_init(struct drm_i915_private *); void intel_power_domains_fini(struct drm_i915_private *); void intel_power_domains_init_hw(struct drm_i915_private *dev_priv, bool resume); void intel_power_domains_suspend(struct drm_i915_private *dev_priv); +void bxt_display_core_init(struct drm_i915_private *dev_priv, bool resume); +void bxt_display_core_uninit(struct drm_i915_private *dev_priv); void intel_runtime_pm_enable(struct drm_i915_private *dev_priv); const char * intel_display_power_domain_str(enum intel_display_power_domain domain); |