drm/i915: Drop pointless 'crtc' argument from *_crtc_clock_get()

We are alreayd passing the crtc_state to *_crtc_clock_get().
Passing the crtc as well is 100% redundant, so don't do it.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240412182703.19916-14-ville.syrjala@linux.intel.comReviewed-by: Jani Nikula <jani.nikula@intel.com>

drivers/gpu/drm/i915/display/intel_display.c

@@ -3092,11 +3092,11 @@ static bool i9xx_get_pipe_config(struct intel_crtc *crtc,
 	}
 
 	if (IS_CHERRYVIEW(dev_priv))
-		chv_crtc_clock_get(crtc, pipe_config);
+		chv_crtc_clock_get(pipe_config);
 	else if (IS_VALLEYVIEW(dev_priv))
-		vlv_crtc_clock_get(crtc, pipe_config);
+		vlv_crtc_clock_get(pipe_config);
 	else
-		i9xx_crtc_clock_get(crtc, pipe_config);
+		i9xx_crtc_clock_get(pipe_config);
 
 	/*
 	 * Normally the dotclock is filled in by the encoder .get_config()

drivers/gpu/drm/i915/display/intel_dpll.c

@@ -415,11 +415,10 @@ void i9xx_dpll_get_hw_state(struct intel_crtc *crtc,
 }
 
 /* Returns the clock of the currently programmed mode of the given pipe. */
-void i9xx_crtc_clock_get(struct intel_crtc *crtc,
-			 struct intel_crtc_state *pipe_config)
+void i9xx_crtc_clock_get(struct intel_crtc_state *pipe_config)
 {
-	struct drm_device *dev = crtc->base.dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
+	struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
+	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 	u32 dpll = pipe_config->dpll_hw_state.dpll;
 	u32 fp;
 	struct dpll clock;
@@ -507,11 +506,10 @@ void i9xx_crtc_clock_get(struct intel_crtc *crtc,
 	pipe_config->port_clock = port_clock;
 }
 
-void vlv_crtc_clock_get(struct intel_crtc *crtc,
-			struct intel_crtc_state *pipe_config)
+void vlv_crtc_clock_get(struct intel_crtc_state *pipe_config)
 {
-	struct drm_device *dev = crtc->base.dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
+	struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
+	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 	enum dpio_phy phy = vlv_pipe_to_phy(crtc->pipe);
 	struct dpll clock;
 	u32 mdiv;
@@ -534,11 +532,10 @@ void vlv_crtc_clock_get(struct intel_crtc *crtc,
 	pipe_config->port_clock = vlv_calc_dpll_params(refclk, &clock);
 }
 
-void chv_crtc_clock_get(struct intel_crtc *crtc,
-			struct intel_crtc_state *pipe_config)
+void chv_crtc_clock_get(struct intel_crtc_state *pipe_config)
 {
-	struct drm_device *dev = crtc->base.dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
+	struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
+	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 	enum dpio_channel port = vlv_pipe_to_channel(crtc->pipe);
 	enum dpio_phy phy = vlv_pipe_to_phy(crtc->pipe);
 	struct dpll clock;

drivers/gpu/drm/i915/display/intel_dpll.h

@@ -42,12 +42,9 @@ 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 i9xx_crtc_clock_get(struct intel_crtc *crtc,
-			 struct intel_crtc_state *pipe_config);
-void vlv_crtc_clock_get(struct intel_crtc *crtc,
-			struct intel_crtc_state *pipe_config);
-void chv_crtc_clock_get(struct intel_crtc *crtc,
-			struct intel_crtc_state *pipe_config);
+void i9xx_crtc_clock_get(struct intel_crtc_state *pipe_config);
+void vlv_crtc_clock_get(struct intel_crtc_state *pipe_config);
+void chv_crtc_clock_get(struct intel_crtc_state *pipe_config);
 
 void assert_pll_enabled(struct drm_i915_private *i915, enum pipe pipe);
 void assert_pll_disabled(struct drm_i915_private *i915, enum pipe pipe);

drivers/gpu/drm/i915/display/intel_pch_display.c

@@ -474,7 +474,7 @@ static void ilk_pch_clock_get(struct intel_crtc_state *crtc_state)
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 
 	/* read out port_clock from the DPLL */
-	i9xx_crtc_clock_get(crtc, crtc_state);
+	i9xx_crtc_clock_get(crtc_state);
 
 	/*
 	 * In case there is an active pipe without active ports,