diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_cdclk.h')
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_cdclk.h | 73 |
1 files changed, 54 insertions, 19 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.h b/drivers/gpu/drm/i915/display/intel_cdclk.h index cf71394cc79c..5731806e4cee 100644 --- a/drivers/gpu/drm/i915/display/intel_cdclk.h +++ b/drivers/gpu/drm/i915/display/intel_cdclk.h @@ -8,11 +8,12 @@ #include <linux/types.h> +#include "i915_drv.h" #include "intel_display.h" +#include "intel_global_state.h" struct drm_i915_private; struct intel_atomic_state; -struct intel_cdclk_state; struct intel_crtc_state; struct intel_cdclk_vals { @@ -22,28 +23,62 @@ struct intel_cdclk_vals { u8 ratio; }; +struct intel_cdclk_state { + struct intel_global_state base; + + /* + * Logical configuration of cdclk (used for all scaling, + * watermark, etc. calculations and checks). This is + * computed as if all enabled crtcs were active. + */ + struct intel_cdclk_config logical; + + /* + * Actual configuration of cdclk, can be different from the + * logical configuration only when all crtc's are DPMS off. + */ + struct intel_cdclk_config actual; + + /* minimum acceptable cdclk for each pipe */ + int min_cdclk[I915_MAX_PIPES]; + /* minimum acceptable voltage level for each pipe */ + u8 min_voltage_level[I915_MAX_PIPES]; + + /* pipe to which cd2x update is synchronized */ + enum pipe pipe; + + /* forced minimum cdclk for glk+ audio w/a */ + int force_min_cdclk; + bool force_min_cdclk_changed; + + /* bitmask of active pipes */ + u8 active_pipes; +}; + int intel_crtc_compute_min_cdclk(const struct intel_crtc_state *crtc_state); -void intel_cdclk_init(struct drm_i915_private *i915); -void intel_cdclk_uninit(struct drm_i915_private *i915); +void intel_cdclk_init_hw(struct drm_i915_private *i915); +void intel_cdclk_uninit_hw(struct drm_i915_private *i915); void intel_init_cdclk_hooks(struct drm_i915_private *dev_priv); void intel_update_max_cdclk(struct drm_i915_private *dev_priv); void intel_update_cdclk(struct drm_i915_private *dev_priv); -void intel_update_rawclk(struct drm_i915_private *dev_priv); -bool intel_cdclk_needs_modeset(const struct intel_cdclk_state *a, - const struct intel_cdclk_state *b); -void intel_cdclk_swap_state(struct intel_atomic_state *state); -void -intel_set_cdclk_pre_plane_update(struct drm_i915_private *dev_priv, - const struct intel_cdclk_state *old_state, - const struct intel_cdclk_state *new_state, - enum pipe pipe); -void -intel_set_cdclk_post_plane_update(struct drm_i915_private *dev_priv, - const struct intel_cdclk_state *old_state, - const struct intel_cdclk_state *new_state, - enum pipe pipe); -void intel_dump_cdclk_state(const struct intel_cdclk_state *cdclk_state, - const char *context); +u32 intel_read_rawclk(struct drm_i915_private *dev_priv); +bool intel_cdclk_needs_modeset(const struct intel_cdclk_config *a, + const struct intel_cdclk_config *b); +void intel_set_cdclk_pre_plane_update(struct intel_atomic_state *state); +void intel_set_cdclk_post_plane_update(struct intel_atomic_state *state); +void intel_dump_cdclk_config(const struct intel_cdclk_config *cdclk_config, + const char *context); int intel_modeset_calc_cdclk(struct intel_atomic_state *state); +struct intel_cdclk_state * +intel_atomic_get_cdclk_state(struct intel_atomic_state *state); + +#define to_intel_cdclk_state(x) container_of((x), struct intel_cdclk_state, base) +#define intel_atomic_get_old_cdclk_state(state) \ + to_intel_cdclk_state(intel_atomic_get_old_global_obj_state(state, &to_i915(state->base.dev)->cdclk.obj)) +#define intel_atomic_get_new_cdclk_state(state) \ + to_intel_cdclk_state(intel_atomic_get_new_global_obj_state(state, &to_i915(state->base.dev)->cdclk.obj)) + +int intel_cdclk_init(struct drm_i915_private *dev_priv); + #endif /* __INTEL_CDCLK_H__ */ |