diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_crtc.h')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_crtc.h | 51 |
1 files changed, 49 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_crtc.h b/drivers/gpu/drm/i915/display/intel_crtc.h index a5ae997581aa..07917e8a9ae3 100644 --- a/drivers/gpu/drm/i915/display/intel_crtc.h +++ b/drivers/gpu/drm/i915/display/intel_crtc.h @@ -8,18 +8,65 @@ #include <linux/types.h> +enum i9xx_plane_id; enum pipe; -struct drm_i915_private; +struct drm_device; +struct drm_display_mode; +struct drm_file; +struct drm_pending_vblank_event; +struct intel_atomic_state; struct intel_crtc; struct intel_crtc_state; +struct intel_display; +/* + * FIXME: We should instead only take spinlocks once for the entire update + * instead of once per mmio. + */ +#if IS_ENABLED(CONFIG_PROVE_LOCKING) +#define VBLANK_EVASION_TIME_US 250 +#else +#define VBLANK_EVASION_TIME_US 100 +#endif + +int intel_usecs_to_scanlines(const struct drm_display_mode *adjusted_mode, + int usecs); +int intel_scanlines_to_usecs(const struct drm_display_mode *adjusted_mode, + int scanlines); +void intel_crtc_arm_vblank_event(struct intel_crtc_state *crtc_state); +void intel_crtc_prepare_vblank_event(struct intel_crtc_state *crtc_state, + struct drm_pending_vblank_event **event); u32 intel_crtc_max_vblank_count(const struct intel_crtc_state *crtc_state); -int intel_crtc_init(struct drm_i915_private *dev_priv, enum pipe pipe); +int intel_crtc_init(struct intel_display *display, enum pipe pipe); +int intel_crtc_get_pipe_from_crtc_id_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); struct intel_crtc_state *intel_crtc_state_alloc(struct intel_crtc *crtc); void intel_crtc_state_reset(struct intel_crtc_state *crtc_state, struct intel_crtc *crtc); u32 intel_crtc_get_vblank_counter(struct intel_crtc *crtc); void intel_crtc_vblank_on(const struct intel_crtc_state *crtc_state); void intel_crtc_vblank_off(const struct intel_crtc_state *crtc_state); +void intel_pipe_update_start(struct intel_atomic_state *state, + struct intel_crtc *crtc); +void intel_pipe_update_end(struct intel_atomic_state *state, + struct intel_crtc *crtc); +void intel_wait_for_vblank_workers(struct intel_atomic_state *state); +struct intel_crtc *intel_first_crtc(struct intel_display *display); +struct intel_crtc *intel_crtc_for_pipe(struct intel_display *display, + enum pipe pipe); +void intel_wait_for_vblank_if_active(struct intel_display *display, + enum pipe pipe); +void intel_crtc_wait_for_next_vblank(struct intel_crtc *crtc); + +bool intel_any_crtc_enable_changed(struct intel_atomic_state *state); +bool intel_crtc_enable_changed(const struct intel_crtc_state *old_crtc_state, + const struct intel_crtc_state *new_crtc_state); +bool intel_any_crtc_active_changed(struct intel_atomic_state *state); +bool intel_crtc_active_changed(const struct intel_crtc_state *old_crtc_state, + const struct intel_crtc_state *new_crtc_state); + +unsigned int intel_crtc_bw_num_active_planes(const struct intel_crtc_state *crtc_state); +unsigned int intel_crtc_bw_data_rate(const struct intel_crtc_state *crtc_state); +int intel_crtc_bw_min_cdclk(const struct intel_crtc_state *crtc_state); #endif |