That we can use for debugging purposes.
v2: Use designated initializers for the 'names' array (Paulo Zanoni,
Jani Nikula).
Add a check in case the array has a hole (which can now remain
unnoticed with designated initializers) (Jani Nikula)
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx> (for v1)
Signed-off-by: Damien Lespiau <damien.lespiau@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_display.c | 22 ++++++++++++++++++++++
drivers/gpu/drm/i915/intel_drv.h | 1 +
2 files changed, 23 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index ba9d62e..40a6247 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -10261,6 +10261,28 @@ 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;
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 46aea6c..25bbbb5 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -625,6 +625,7 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
/* intel_display.c */
+const char *intel_output_name(int output);
int intel_pch_rawclk(struct drm_device *dev);
void intel_mark_busy(struct drm_device *dev);
void intel_mark_fb_busy(struct drm_i915_gem_object *obj,
--
1.8.3.1
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