drm/i915/debugfs: move IPS debugfs to hsw_ips.c

Follow the style of placing debugfs next to the implementation.
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/20230302161617.2978821-1-jani.nikula@intel.com

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

@@ -267,3 +267,40 @@ void hsw_ips_get_config(struct intel_crtc_state *crtc_state)
 		crtc_state->ips_enabled = true;
 	}
 }
+
+static int hsw_ips_debugfs_status_show(struct seq_file *m, void *unused)
+{
+	struct drm_i915_private *i915 = m->private;
+	intel_wakeref_t wakeref;
+
+	if (!HAS_IPS(i915))
+		return -ENODEV;
+
+	wakeref = intel_runtime_pm_get(&i915->runtime_pm);
+
+	seq_printf(m, "Enabled by kernel parameter: %s\n",
+		   str_yes_no(i915->params.enable_ips));
+
+	if (DISPLAY_VER(i915) >= 8) {
+		seq_puts(m, "Currently: unknown\n");
+	} else {
+		if (intel_de_read(i915, IPS_CTL) & IPS_ENABLE)
+			seq_puts(m, "Currently: enabled\n");
+		else
+			seq_puts(m, "Currently: disabled\n");
+	}
+
+	intel_runtime_pm_put(&i915->runtime_pm, wakeref);
+
+	return 0;
+}
+
+DEFINE_SHOW_ATTRIBUTE(hsw_ips_debugfs_status);
+
+void hsw_ips_debugfs_register(struct drm_i915_private *i915)
+{
+	struct drm_minor *minor = i915->drm.primary;
+
+	debugfs_create_file("i915_ips_status", 0444, minor->debugfs_root,
+			    i915, &hsw_ips_debugfs_status_fops);
+}

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

@@ -8,6 +8,7 @@
 
 #include <linux/types.h>
 
+struct drm_i915_private;
 struct intel_atomic_state;
 struct intel_crtc;
 struct intel_crtc_state;
@@ -22,5 +23,6 @@ bool hsw_crtc_state_ips_capable(const struct intel_crtc_state *crtc_state);
 int hsw_ips_compute_config(struct intel_atomic_state *state,
 			   struct intel_crtc *crtc);
 void hsw_ips_get_config(struct intel_crtc_state *crtc_state);
+void hsw_ips_debugfs_register(struct drm_i915_private *i915);
 
 #endif /* __HSW_IPS_H__ */

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

@@ -8,6 +8,7 @@
 #include <drm/drm_debugfs.h>
 #include <drm/drm_fourcc.h>
 
+#include "hsw_ips.h"
 #include "i915_debugfs.h"
 #include "i915_irq.h"
 #include "i915_reg.h"
@@ -48,33 +49,6 @@ static int i915_frontbuffer_tracking(struct seq_file *m, void *unused)
 	return 0;
 }
 
-static int i915_ips_status(struct seq_file *m, void *unused)
-{
-	struct drm_i915_private *dev_priv = node_to_i915(m->private);
-	intel_wakeref_t wakeref;
-
-	if (!HAS_IPS(dev_priv))
-		return -ENODEV;
-
-	wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
-
-	seq_printf(m, "Enabled by kernel parameter: %s\n",
-		   str_yes_no(dev_priv->params.enable_ips));
-
-	if (DISPLAY_VER(dev_priv) >= 8) {
-		seq_puts(m, "Currently: unknown\n");
-	} else {
-		if (intel_de_read(dev_priv, IPS_CTL) & IPS_ENABLE)
-			seq_puts(m, "Currently: enabled\n");
-		else
-			seq_puts(m, "Currently: disabled\n");
-	}
-
-	intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
-
-	return 0;
-}
-
 static int i915_sr_status(struct seq_file *m, void *unused)
 {
 	struct drm_i915_private *dev_priv = node_to_i915(m->private);
@@ -1342,7 +1316,6 @@ static const struct file_operations i915_fifo_underrun_reset_ops = {
 
 static const struct drm_info_list intel_display_debugfs_list[] = {
 	{"i915_frontbuffer_tracking", i915_frontbuffer_tracking, 0},
-	{"i915_ips_status", i915_ips_status, 0},
 	{"i915_sr_status", i915_sr_status, 0},
 	{"i915_opregion", i915_opregion, 0},
 	{"i915_vbt", i915_vbt, 0},
@@ -1384,6 +1357,7 @@ void intel_display_debugfs_register(struct drm_i915_private *i915)
 				 ARRAY_SIZE(intel_display_debugfs_list),
 				 minor->debugfs_root, minor);
 
+	hsw_ips_debugfs_register(i915);
 	intel_dmc_debugfs_register(i915);
 	intel_fbc_debugfs_register(i915);
 	intel_hpd_debugfs_register(i915);