diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dpll_mgr.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dpll_mgr.h | 6 |
2 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c index 76d14486b3a5..2d47f1f756a2 100644 --- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c +++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c @@ -4408,6 +4408,13 @@ void intel_update_active_dpll(struct intel_atomic_state *state, dpll_mgr->update_active_dpll(state, crtc, encoder); } +/** + * intel_dpll_get_freq - calculate the DPLL's output frequency + * @i915: i915 device + * @pll: DPLL for which to calculate the output frequency + * + * Return the output frequency corresponding to @pll's current state. + */ int intel_dpll_get_freq(struct drm_i915_private *i915, const struct intel_shared_dpll *pll) { diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.h b/drivers/gpu/drm/i915/display/intel_dpll_mgr.h index 5c847627580a..5d9a2bc371e7 100644 --- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.h +++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.h @@ -279,6 +279,12 @@ struct intel_shared_dpll_funcs { struct intel_shared_dpll *pll, struct intel_dpll_hw_state *hw_state); + /** + * @get_freq: + * + * Hook for calculating the pll's output frequency based on its + * current state. + */ int (*get_freq)(struct drm_i915_private *i915, const struct intel_shared_dpll *pll); }; |