linux/drivers/gpu/drm/i915/display/intel_dpll.h
Jani Nikula 11a1d09c97 drm/i915/dpll: add intel_dpll_crtc_compute_clock()
Avoid referencing the function pointer directly to be able to abstract
the call better.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/12ac40c1ef9915fe680c6657b603b08be022626b.1643896905.git.jani.nikula@intel.com
2022-02-09 13:39:43 +02:00

44 lines
1.6 KiB
C

/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2020 Intel Corporation
*/
#ifndef _INTEL_DPLL_H_
#define _INTEL_DPLL_H_
#include <linux/types.h>
struct dpll;
struct drm_i915_private;
struct intel_crtc;
struct intel_crtc_state;
enum pipe;
void intel_dpll_init_clock_hook(struct drm_i915_private *dev_priv);
int intel_dpll_crtc_compute_clock(struct intel_crtc_state *crtc_state);
int vlv_calc_dpll_params(int refclk, struct dpll *clock);
int pnv_calc_dpll_params(int refclk, struct dpll *clock);
int i9xx_calc_dpll_params(int refclk, struct dpll *clock);
u32 i9xx_dpll_compute_fp(const struct dpll *dpll);
void vlv_compute_dpll(struct intel_crtc_state *crtc_state);
void chv_compute_dpll(struct intel_crtc_state *crtc_state);
int vlv_force_pll_on(struct drm_i915_private *dev_priv, enum pipe pipe,
const struct dpll *dpll);
void vlv_force_pll_off(struct drm_i915_private *dev_priv, enum pipe pipe);
void chv_enable_pll(const struct intel_crtc_state *crtc_state);
void chv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe);
void vlv_enable_pll(const struct intel_crtc_state *crtc_state);
void vlv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe);
void i9xx_enable_pll(const struct intel_crtc_state *crtc_state);
void i9xx_disable_pll(const struct intel_crtc_state *crtc_state);
bool bxt_find_best_dpll(struct intel_crtc_state *crtc_state,
struct dpll *best_clock);
int chv_calc_dpll_params(int refclk, struct dpll *pll_clock);
void assert_pll_enabled(struct drm_i915_private *i915, enum pipe pipe);
void assert_pll_disabled(struct drm_i915_private *i915, enum pipe pipe);
#endif