drm/i915/opregion: move i915_opregion debugfs to intel_opregion.c

All things about opregion should be placed in intel_opregion.c.

Cc: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Reviewed-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/c10103d2dd775edc1e9f93f09d0834480f880596.1704992868.git.jani.nikula@intel.com

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

@@ -86,17 +86,6 @@ static int i915_sr_status(struct seq_file *m, void *unused)
 	return 0;
 }
 
-static int i915_opregion(struct seq_file *m, void *unused)
-{
-	struct drm_i915_private *i915 = node_to_i915(m->private);
-	struct intel_opregion *opregion = &i915->display.opregion;
-
-	if (opregion->header)
-		seq_write(m, opregion->header, OPREGION_SIZE);
-
-	return 0;
-}
-
 static int i915_gem_framebuffer_info(struct seq_file *m, void *data)
 {
 	struct drm_i915_private *dev_priv = node_to_i915(m->private);
@@ -1055,7 +1044,6 @@ 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_sr_status", i915_sr_status, 0},
-	{"i915_opregion", i915_opregion, 0},
 	{"i915_gem_framebuffer", i915_gem_framebuffer_info, 0},
 	{"i915_power_domain_info", i915_power_domain_info, 0},
 	{"i915_display_info", i915_display_info, 0},
@@ -1098,6 +1086,7 @@ void intel_display_debugfs_register(struct drm_i915_private *i915)
 	intel_dmc_debugfs_register(i915);
 	intel_fbc_debugfs_register(i915);
 	intel_hpd_debugfs_register(i915);
+	intel_opregion_debugfs_register(i915);
 	intel_psr_debugfs_register(i915);
 	intel_wm_debugfs_register(i915);
 	intel_display_debugfs_params(i915);

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

@@ -1265,3 +1265,24 @@ void intel_opregion_cleanup(struct drm_i915_private *i915)
 	opregion->vbt = NULL;
 	opregion->lid_state = NULL;
 }
+
+static int intel_opregion_show(struct seq_file *m, void *unused)
+{
+	struct drm_i915_private *i915 = m->private;
+	struct intel_opregion *opregion = &i915->display.opregion;
+
+	if (opregion->header)
+		seq_write(m, opregion->header, OPREGION_SIZE);
+
+	return 0;
+}
+
+DEFINE_SHOW_ATTRIBUTE(intel_opregion);
+
+void intel_opregion_debugfs_register(struct drm_i915_private *i915)
+{
+	struct drm_minor *minor = i915->drm.primary;
+
+	debugfs_create_file("i915_opregion", 0444, minor->debugfs_root,
+			    i915, &intel_opregion_fops);
+}

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

@@ -79,6 +79,8 @@ const struct drm_edid *intel_opregion_get_edid(struct intel_connector *connector
 
 bool intel_opregion_headless_sku(struct drm_i915_private *i915);
 
+void intel_opregion_debugfs_register(struct drm_i915_private *i915);
+
 #else /* CONFIG_ACPI*/
 
 static inline int intel_opregion_setup(struct drm_i915_private *dev_priv)
@@ -139,6 +141,10 @@ static inline bool intel_opregion_headless_sku(struct drm_i915_private *i915)
 	return false;
 }
 
+static inline void intel_opregion_debugfs_register(struct drm_i915_private *i915)
+{
+}
+
 #endif /* CONFIG_ACPI */
 
 #endif