diff options
| author | Jani Nikula <jani.nikula@intel.com> | 2013-08-30 19:40:31 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-09-04 17:34:56 +0200 |
| commit | ecbc5cf34068d22cf57bac596809a346576c38a3 (patch) | |
| tree | 2a139155cb319963f4241d46260b1e93de3053de /drivers/gpu/drm/i915/i915_drv.h | |
| parent | 9c4b0a683193a646ea3b0c609a2276ae99a7cee4 (diff) | |
| download | lwn-ecbc5cf34068d22cf57bac596809a346576c38a3.tar.gz lwn-ecbc5cf34068d22cf57bac596809a346576c38a3.zip | |
drm/i915: add opregion function to notify bios of adapter power state
Notifying the bios lets it enter power saving states.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 3b7368d6d72b..769c1388a69e 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -2197,6 +2197,8 @@ extern void intel_opregion_fini(struct drm_device *dev); extern void intel_opregion_asle_intr(struct drm_device *dev); extern int intel_opregion_notify_encoder(struct intel_encoder *intel_encoder, bool enable); +extern int intel_opregion_notify_adapter(struct drm_device *dev, + pci_power_t state); #else static inline void intel_opregion_init(struct drm_device *dev) { return; } static inline void intel_opregion_fini(struct drm_device *dev) { return; } @@ -2206,6 +2208,11 @@ intel_opregion_notify_encoder(struct intel_encoder *intel_encoder, bool enable) { return 0; } +static inline int +intel_opregion_notify_adapter(struct drm_device *dev, pci_power_t state) +{ + return 0; +} #endif /* intel_acpi.c */ |