drm/i915: use id from intel_shared_dpll.info

Replace all users of pll->id to use pll->info->id. In functions using
this more than once it was preferred to add an id variable to make the
code easier to read.
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180320220637.21480-6-lucas.demarchi@intel.com

drivers/gpu/drm/i915/i915_debugfs.c

@@ -3286,7 +3286,7 @@ static int i915_shared_dplls_info(struct seq_file *m, void *unused)
 		struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i];
 
 		seq_printf(m, "DPLL%i: %s, id: %i\n", i, pll->info->name,
-			   pll->id);
+			   pll->info->id);
 		seq_printf(m, " crtc_mask: 0x%08x, active: 0x%x, on: %s\n",
 			   pll->state.crtc_mask, pll->active_mask, yesno(pll->on));
 		seq_printf(m, " tracked hardware state:\n");

drivers/gpu/drm/i915/intel_ddi.c

@@ -994,7 +994,7 @@ static void intel_wait_ddi_buf_idle(struct drm_i915_private *dev_priv,
 
 static uint32_t hsw_pll_to_ddi_pll_sel(const struct intel_shared_dpll *pll)
 {
-	switch (pll->id) {
+	switch (pll->info->id) {
 	case DPLL_ID_WRPLL1:
 		return PORT_CLK_SEL_WRPLL1;
 	case DPLL_ID_WRPLL2:
@@ -1008,7 +1008,7 @@ static uint32_t hsw_pll_to_ddi_pll_sel(const struct intel_shared_dpll *pll)
 	case DPLL_ID_LCPLL_2700:
 		return PORT_CLK_SEL_LCPLL_2700;
 	default:
-		MISSING_CASE(pll->id);
+		MISSING_CASE(pll->info->id);
 		return PORT_CLK_SEL_NONE;
 	}
 }
@@ -2250,7 +2250,7 @@ static void intel_ddi_clk_select(struct intel_encoder *encoder,
 		/* Configure DPCLKA_CFGCR0 to map the DPLL to the DDI. */
 		val = I915_READ(DPCLKA_CFGCR0);
 		val &= ~DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(port);
-		val |= DPCLKA_CFGCR0_DDI_CLK_SEL(pll->id, port);
+		val |= DPCLKA_CFGCR0_DDI_CLK_SEL(pll->info->id, port);
 		I915_WRITE(DPCLKA_CFGCR0, val);
 
 		/*
@@ -2267,7 +2267,7 @@ static void intel_ddi_clk_select(struct intel_encoder *encoder,
 
 		val &= ~(DPLL_CTRL2_DDI_CLK_OFF(port) |
 			 DPLL_CTRL2_DDI_CLK_SEL_MASK(port));
-		val |= (DPLL_CTRL2_DDI_CLK_SEL(pll->id, port) |
+		val |= (DPLL_CTRL2_DDI_CLK_SEL(pll->info->id, port) |
 			DPLL_CTRL2_DDI_SEL_OVERRIDE(port));
 
 		I915_WRITE(DPLL_CTRL2, val);

drivers/gpu/drm/i915/intel_dpll_mgr.h

@@ -213,6 +213,10 @@ struct dpll_info {
 	 * @name: DPLL name; used for logging
 	 */
 	const char *name;
+	/**
+	 * @id: unique indentifier for this DPLL; should match the index in the
+	 * dev_priv->shared_dplls array
+	 */
 	const int id;
 	/**
 	 * @funcs: platform specific hooks
@@ -243,12 +247,6 @@ struct intel_shared_dpll {
 	 */
 	bool on;
 
-	/**
-	 * @id: unique indentifier for this DPLL; should match the index in the
-	 * dev_priv->shared_dplls array
-	 */
-	enum intel_dpll_id id;
-
 	/**
 	 * @info: platform specific info
 	 */