}
EXPORT_SYMBOL(__drm_printfn_debug);
+void __drm_printfn_err(struct drm_printer *p, struct va_format *vaf)
+{
+ pr_err("*ERROR* %s %pV", p->prefix, vaf);
+}
+EXPORT_SYMBOL(__drm_printfn_err);
+
/**
* drm_puts - print a const string to a &drm_printer stream
* @p: the &drm printer
}
EXPORT_SYMBOL(drm_printf);
+/**
+ * drm_print_bits - print bits to a &drm_printer stream
+ *
+ * Print bits (in flag fields for example) in human readable form.
+ * The first name in the @bits array is for the bit indexed by @from.
+ *
+ * @p: the &drm_printer
+ * @value: field value.
+ * @bits: Array with bit names.
+ * @from: start of bit range to print (inclusive).
+ * @to: end of bit range to print (exclusive).
+ */
+void drm_print_bits(struct drm_printer *p,
+ unsigned long value, const char *bits[],
+ unsigned int from, unsigned int to)
+{
+ bool first = true;
+ unsigned int i;
+
+ for (i = from; i < to; i++) {
+ if (!(value & (1 << i)))
+ continue;
+ if (WARN_ON_ONCE(!bits[i-from]))
+ continue;
+ drm_printf(p, "%s%s", first ? "" : ",",
+ bits[i-from]);
+ first = false;
+ }
+ if (first)
+ drm_printf(p, "(none)");
+}
+EXPORT_SYMBOL(drm_print_bits);
+
void drm_dev_printk(const struct device *dev, const char *level,
const char *format, ...)
{