drm/i915: Make state dumpers take a const state

Constify a bunch of the arguments of various state dumping
functions. Makes it clear they don't mutate the states.
And fix up some indent fails while at it.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190517193132.8140-13-ville.syrjala@linux.intel.comReviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>

drivers/gpu/drm/i915/intel_display.c

@@ -11710,12 +11710,14 @@ static void intel_dump_crtc_timings(const struct drm_display_mode *mode)
 		      mode->crtc_hdisplay, mode->crtc_hsync_start,
 		      mode->crtc_hsync_end, mode->crtc_htotal,
 		      mode->crtc_vdisplay, mode->crtc_vsync_start,
-		mode->crtc_vsync_end, mode->crtc_vtotal, mode->type, mode->flags);
+		      mode->crtc_vsync_end, mode->crtc_vtotal,
+		      mode->type, mode->flags);
 }
 
 static inline void
-intel_dump_m_n_config(struct intel_crtc_state *pipe_config, char *id,
-		      unsigned int lane_count, struct intel_link_m_n *m_n)
+intel_dump_m_n_config(const struct intel_crtc_state *pipe_config,
+		      const char *id, unsigned int lane_count,
+		      const struct intel_link_m_n *m_n)
 {
 	DRM_DEBUG_KMS("%s: lanes: %i; gmch_m: %u, gmch_n: %u, link_m: %u, link_n: %u, tu: %u\n",
 		      id, lane_count,
@@ -11793,7 +11795,7 @@ static const char *output_formats(enum intel_output_format format)
 	return output_format_str[format];
 }
 
-static void intel_dump_pipe_config(struct intel_crtc_state *pipe_config,
+static void intel_dump_pipe_config(const struct intel_crtc_state *pipe_config,
 				   const char *context)
 {
 	struct intel_crtc *crtc = to_intel_crtc(pipe_config->base.crtc);

drivers/gpu/drm/i915/intel_dpll_mgr.c

@@ -454,7 +454,7 @@ ibx_get_dpll(struct intel_crtc_state *crtc_state,
 }
 
 static void ibx_dump_hw_state(struct drm_i915_private *dev_priv,
-			      struct intel_dpll_hw_state *hw_state)
+			      const struct intel_dpll_hw_state *hw_state)
 {
 	DRM_DEBUG_KMS("dpll_hw_state: dpll: 0x%x, dpll_md: 0x%x, "
 		      "fp0: 0x%x, fp1: 0x%x\n",
@@ -856,7 +856,7 @@ hsw_get_dpll(struct intel_crtc_state *crtc_state,
 }
 
 static void hsw_dump_hw_state(struct drm_i915_private *dev_priv,
-			      struct intel_dpll_hw_state *hw_state)
+			      const struct intel_dpll_hw_state *hw_state)
 {
 	DRM_DEBUG_KMS("dpll_hw_state: wrpll: 0x%x spll: 0x%x\n",
 		      hw_state->wrpll, hw_state->spll);
@@ -1425,7 +1425,7 @@ skl_get_dpll(struct intel_crtc_state *crtc_state,
 }
 
 static void skl_dump_hw_state(struct drm_i915_private *dev_priv,
-			      struct intel_dpll_hw_state *hw_state)
+			      const struct intel_dpll_hw_state *hw_state)
 {
 	DRM_DEBUG_KMS("dpll_hw_state: "
 		      "ctrl1: 0x%x, cfgcr1: 0x%x, cfgcr2: 0x%x\n",
@@ -1857,7 +1857,7 @@ bxt_get_dpll(struct intel_crtc_state *crtc_state,
 }
 
 static void bxt_dump_hw_state(struct drm_i915_private *dev_priv,
-			      struct intel_dpll_hw_state *hw_state)
+			      const struct intel_dpll_hw_state *hw_state)
 {
 	DRM_DEBUG_KMS("dpll_hw_state: ebb0: 0x%x, ebb4: 0x%x,"
 		      "pll0: 0x%x, pll1: 0x%x, pll2: 0x%x, pll3: 0x%x, "
@@ -1888,7 +1888,7 @@ struct intel_dpll_mgr {
 					      struct intel_encoder *encoder);
 
 	void (*dump_hw_state)(struct drm_i915_private *dev_priv,
-			      struct intel_dpll_hw_state *hw_state);
+			      const struct intel_dpll_hw_state *hw_state);
 };
 
 static const struct dpll_info pch_plls[] = {
@@ -2371,7 +2371,7 @@ cnl_get_dpll(struct intel_crtc_state *crtc_state,
 }
 
 static void cnl_dump_hw_state(struct drm_i915_private *dev_priv,
-			      struct intel_dpll_hw_state *hw_state)
+			      const struct intel_dpll_hw_state *hw_state)
 {
 	DRM_DEBUG_KMS("dpll_hw_state: "
 		      "cfgcr0: 0x%x, cfgcr1: 0x%x\n",
@@ -3171,7 +3171,7 @@ static void mg_pll_disable(struct drm_i915_private *dev_priv,
 }
 
 static void icl_dump_hw_state(struct drm_i915_private *dev_priv,
-			      struct intel_dpll_hw_state *hw_state)
+			      const struct intel_dpll_hw_state *hw_state)
 {
 	DRM_DEBUG_KMS("dpll_hw_state: cfgcr0: 0x%x, cfgcr1: 0x%x, "
 		      "mg_refclkin_ctl: 0x%x, hg_clktop2_coreclkctl1: 0x%x, "
@@ -3341,7 +3341,7 @@ void intel_release_shared_dpll(struct intel_shared_dpll *dpll,
  * Write the relevant values in @hw_state to dmesg using DRM_DEBUG_KMS.
  */
 void intel_dpll_dump_hw_state(struct drm_i915_private *dev_priv,
-			      struct intel_dpll_hw_state *hw_state)
+			      const struct intel_dpll_hw_state *hw_state)
 {
 	if (dev_priv->dpll_mgr) {
 		dev_priv->dpll_mgr->dump_hw_state(dev_priv, hw_state);

drivers/gpu/drm/i915/intel_dpll_mgr.h

@@ -343,7 +343,7 @@ void intel_shared_dpll_swap_state(struct drm_atomic_state *state);
 void intel_shared_dpll_init(struct drm_device *dev);
 
 void intel_dpll_dump_hw_state(struct drm_i915_private *dev_priv,
-			      struct intel_dpll_hw_state *hw_state);
+			      const struct intel_dpll_hw_state *hw_state);
 int cnl_hdmi_pll_ref_clock(struct drm_i915_private *dev_priv);
 enum intel_dpll_id icl_tc_port_to_pll_id(enum tc_port tc_port);
 bool intel_dpll_is_combophy(enum intel_dpll_id id);