drm/i915: Introduce new intel_output_name()

[deliverable/linux.git] / drivers / gpu / drm / i915 / intel_display.c

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 507fb19c75911041f08ff57227be10dee81bb800..aaa4ae6f40c3926122afede4479b4e21af998491 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -10262,6 +10262,28 @@ static bool has_edp_a(struct drm_device *dev)
        return true;
 }
 
+const char *intel_output_name(int output)
+{
+       static const char *names[] = {
+               [INTEL_OUTPUT_UNUSED] = "Unused",
+               [INTEL_OUTPUT_ANALOG] = "Analog",
+               [INTEL_OUTPUT_DVO] = "DVO",
+               [INTEL_OUTPUT_SDVO] = "SDVO",
+               [INTEL_OUTPUT_LVDS] = "LVDS",
+               [INTEL_OUTPUT_TVOUT] = "TV",
+               [INTEL_OUTPUT_HDMI] = "HDMI",
+               [INTEL_OUTPUT_DISPLAYPORT] = "DisplayPort",
+               [INTEL_OUTPUT_EDP] = "eDP",
+               [INTEL_OUTPUT_DSI] = "DSI",
+               [INTEL_OUTPUT_UNKNOWN] = "Unknown",
+       };
+
+       if (output < 0 || output >= ARRAY_SIZE(names) || !names[output])
+               return "Invalid";
+
+       return names[output];
+}
+
 static void intel_setup_outputs(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;