diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_drv.h')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_drv.h | 92 |
1 files changed, 88 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 50f83d220249..d523ebb2f89d 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -365,7 +365,9 @@ struct intel_crtc_state { #define PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS (1<<0) /* unreliable sync mode.flags */ unsigned long quirks; - bool update_pipe; + bool update_pipe; /* can a fast modeset be performed? */ + bool disable_cxsr; + bool wm_changed; /* watermarks are updated */ /* Pipe source size (ie. panel fitter input size) * All planes will be positioned inside this space, @@ -531,9 +533,7 @@ struct intel_crtc_atomic_commit { /* Sleepable operations to perform before commit */ bool disable_fbc; bool disable_ips; - bool disable_cxsr; bool pre_disable_primary; - bool update_wm_pre, update_wm_post; /* Sleepable operations to perform after commit */ unsigned fb_bits; @@ -568,7 +568,6 @@ struct intel_crtc { int adjusted_x; int adjusted_y; - struct drm_i915_gem_object *cursor_bo; uint32_t cursor_addr; uint32_t cursor_cntl; uint32_t cursor_size; @@ -818,6 +817,8 @@ struct intel_digital_port { struct intel_hdmi hdmi; enum irqreturn (*hpd_pulse)(struct intel_digital_port *, bool); bool release_cl2_override; + /* for communication with audio component; protected by av_mutex */ + const struct drm_connector *audio_connector; }; struct intel_dp_mst_encoder { @@ -1012,6 +1013,8 @@ void intel_ddi_set_pipe_settings(struct drm_crtc *crtc); void intel_ddi_prepare_link_retrain(struct intel_dp *intel_dp); bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector); void intel_ddi_fdi_disable(struct drm_crtc *crtc); +bool intel_ddi_is_audio_enabled(struct drm_i915_private *dev_priv, + struct intel_crtc *intel_crtc); void intel_ddi_get_config(struct intel_encoder *encoder, struct intel_crtc_state *pipe_config); struct intel_encoder * @@ -1427,6 +1430,87 @@ void intel_display_power_get(struct drm_i915_private *dev_priv, enum intel_display_power_domain domain); void intel_display_power_put(struct drm_i915_private *dev_priv, enum intel_display_power_domain domain); + +static inline void +assert_rpm_device_not_suspended(struct drm_i915_private *dev_priv) +{ + WARN_ONCE(dev_priv->pm.suspended, + "Device suspended during HW access\n"); +} + +static inline void +assert_rpm_wakelock_held(struct drm_i915_private *dev_priv) +{ + assert_rpm_device_not_suspended(dev_priv); + WARN_ONCE(!atomic_read(&dev_priv->pm.wakeref_count), + "RPM wakelock ref not held during HW access"); +} + +static inline int +assert_rpm_atomic_begin(struct drm_i915_private *dev_priv) +{ + int seq = atomic_read(&dev_priv->pm.atomic_seq); + + assert_rpm_wakelock_held(dev_priv); + + return seq; +} + +static inline void +assert_rpm_atomic_end(struct drm_i915_private *dev_priv, int begin_seq) +{ + WARN_ONCE(atomic_read(&dev_priv->pm.atomic_seq) != begin_seq, + "HW access outside of RPM atomic section\n"); +} + +/** + * disable_rpm_wakeref_asserts - disable the RPM assert checks + * @dev_priv: i915 device instance + * + * This function disable asserts that check if we hold an RPM wakelock + * reference, while keeping the device-not-suspended checks still enabled. + * It's meant to be used only in special circumstances where our rule about + * the wakelock refcount wrt. the device power state doesn't hold. According + * to this rule at any point where we access the HW or want to keep the HW in + * an active state we must hold an RPM wakelock reference acquired via one of + * the intel_runtime_pm_get() helpers. Currently there are a few special spots + * where this rule doesn't hold: the IRQ and suspend/resume handlers, the + * forcewake release timer, and the GPU RPS and hangcheck works. All other + * users should avoid using this function. + * + * Any calls to this function must have a symmetric call to + * enable_rpm_wakeref_asserts(). + */ +static inline void +disable_rpm_wakeref_asserts(struct drm_i915_private *dev_priv) +{ + atomic_inc(&dev_priv->pm.wakeref_count); +} + +/** + * enable_rpm_wakeref_asserts - re-enable the RPM assert checks + * @dev_priv: i915 device instance + * + * This function re-enables the RPM assert checks after disabling them with + * disable_rpm_wakeref_asserts. It's meant to be used only in special + * circumstances otherwise its use should be avoided. + * + * Any calls to this function must have a symmetric call to + * disable_rpm_wakeref_asserts(). + */ +static inline void +enable_rpm_wakeref_asserts(struct drm_i915_private *dev_priv) +{ + atomic_dec(&dev_priv->pm.wakeref_count); +} + +/* TODO: convert users of these to rely instead on proper RPM refcounting */ +#define DISABLE_RPM_WAKEREF_ASSERTS(dev_priv) \ + disable_rpm_wakeref_asserts(dev_priv) + +#define ENABLE_RPM_WAKEREF_ASSERTS(dev_priv) \ + enable_rpm_wakeref_asserts(dev_priv) + void intel_runtime_pm_get(struct drm_i915_private *dev_priv); void intel_runtime_pm_get_noresume(struct drm_i915_private *dev_priv); void intel_runtime_pm_put(struct drm_i915_private *dev_priv); |