Macros with this much magic in them deserve some explanatory text.
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_params.h | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_params.h b/drivers/gpu/drm/i915/i915_params.h
index 85a9007c0ed6..98eba6728095 100644
--- a/drivers/gpu/drm/i915/i915_params.h
+++ b/drivers/gpu/drm/i915/i915_params.h
@@ -33,6 +33,15 @@ struct drm_printer;
#define ENABLE_GUC_SUBMISSION BIT(0)
#define ENABLE_GUC_LOAD_HUC BIT(1)
+/*
+ * Invoke param, a function-like macro, for each i915 param, with arguments:
+ *
+ * param(type, name, value)
+ *
+ * type: parameter type, one of {bool, int, unsigned int, char *}
+ * name: name of the parameter
+ * value: initial/default value of the parameter
+ */
#define I915_PARAMS_FOR_EACH(param) \
param(char *, vbt_firmware, NULL) \
param(int, modeset, -1) \
--
2.11.0
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