1 files changed, 15 insertions, 0 deletions

diff --git a/arch/x86/kernel/sysfb_efi.c b/arch/x86/kernel/sysfb_efi.c
index 5da924bbf0a0..623965e86b65 100644
--- a/arch/x86/kernel/sysfb_efi.c
+++ b/arch/x86/kernel/sysfb_efi.c
@@ -68,6 +68,21 @@ struct efifb_dmi_info efifb_dmi_list[] = {
         [M_UNKNOWN] = { NULL, 0, 0, 0, 0, OVERRIDE_NONE }
 };
 
+void efifb_setup_from_dmi(struct screen_info *si, const char *opt)
+{
+        int i;
+
+        for (i = 0; i < M_UNKNOWN; i++) {
+                if (efifb_dmi_list[i].base != 0 &&
+                    !strcmp(opt, efifb_dmi_list[i].optname)) {
+                        si->lfb_base = efifb_dmi_list[i].base;
+                        si->lfb_linelength = efifb_dmi_list[i].stride;
+                        si->lfb_width = efifb_dmi_list[i].width;
+                        si->lfb_height = efifb_dmi_list[i].height;
+                }
+        }
+}
+
 #define choose_value(dmivalue, fwvalue, field, flags) ({        \
                 typeof(fwvalue) _ret_ = fwvalue;                \
                 if ((flags) & (field))                          \