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drm/i915: Nuke intel_prepare_shared_dpll() 

intel_prepare_shared_dpll() is now useless, so get rid of it.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210715093530.31711-14-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä 2021-07-15 12:35:30 +03:00
parent 0bae0872f8
commit 76a04cd9af
3 changed files with 0 additions and 42 deletions
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3
drivers/gpu/drm/i915/display/intel_display.c
View File

@ -2921,9 +2921,6 @@ static void ilk_crtc_enable(struct intel_atomic_state *state,
intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false);
intel_set_pch_fifo_underrun_reporting(dev_priv, pipe, false);
if (new_crtc_state->has_pch_encoder)
intel_prepare_shared_dpll(new_crtc_state);
if (intel_crtc_has_dp_encoder(new_crtc_state))
intel_dp_set_m_n(new_crtc_state, M1_N1);

28
drivers/gpu/drm/i915/display/intel_dpll_mgr.c
View File

@ -184,34 +184,6 @@ intel_tc_pll_enable_reg(struct drm_i915_private *i915,
return MG_PLL_ENABLE(tc_port);
}
/**
* intel_prepare_shared_dpll - call a dpll's prepare hook
* @crtc_state: CRTC, and its state, which has a shared dpll
*
* This calls the PLL's prepare hook if it has one and if the PLL is not
* already enabled. The prepare hook is platform specific.
*/
void intel_prepare_shared_dpll(const struct intel_crtc_state *crtc_state)
{
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
struct intel_shared_dpll *pll = crtc_state->shared_dpll;
if (drm_WARN_ON(&dev_priv->drm, pll == NULL))
return;
mutex_lock(&dev_priv->dpll.lock);
drm_WARN_ON(&dev_priv->drm, !pll->state.pipe_mask);
if (!pll->active_mask) {
drm_dbg(&dev_priv->drm, "setting up %s\n", pll->info->name);
drm_WARN_ON(&dev_priv->drm, pll->on);
assert_shared_dpll_disabled(dev_priv, pll);
pll->info->funcs->prepare(dev_priv, pll);
}
mutex_unlock(&dev_priv->dpll.lock);
}
/**
* intel_enable_shared_dpll - enable a CRTC's shared DPLL
* @crtc_state: CRTC, and its state, which has a shared DPLL

11
drivers/gpu/drm/i915/display/intel_dpll_mgr.h
View File

@ -255,16 +255,6 @@ struct intel_shared_dpll_state {
* struct intel_shared_dpll_funcs - platform specific hooks for managing DPLLs
*/
struct intel_shared_dpll_funcs {
/**
* @prepare:
*
* Optional hook to perform operations prior to enabling the PLL.
* Called from intel_prepare_shared_dpll() function unless the PLL
* is already enabled.
*/
void (*prepare)(struct drm_i915_private *dev_priv,
struct intel_shared_dpll *pll);
/**
* @enable:
*
@ -404,7 +394,6 @@ int intel_dpll_get_freq(struct drm_i915_private *i915,
bool intel_dpll_get_hw_state(struct drm_i915_private *i915,
struct intel_shared_dpll *pll,
struct intel_dpll_hw_state *hw_state);
void intel_prepare_shared_dpll(const struct intel_crtc_state *crtc_state);
void intel_enable_shared_dpll(const struct intel_crtc_state *crtc_state);
void intel_disable_shared_dpll(const struct intel_crtc_state *crtc_state);
void intel_shared_dpll_swap_state(struct intel_atomic_state *state);