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path: root/src/drivers/intel/gma/opregion.c
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Diffstat (limited to 'src/drivers/intel/gma/opregion.c')
-rw-r--r--src/drivers/intel/gma/opregion.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/src/drivers/intel/gma/opregion.c b/src/drivers/intel/gma/opregion.c
index c52c06f12b..70cbccc876 100644
--- a/src/drivers/intel/gma/opregion.c
+++ b/src/drivers/intel/gma/opregion.c
@@ -34,14 +34,17 @@ const char *mainboard_vbt_filename(void)
}
static char vbt_data[8 * KiB];
-static int vbt_data_used;
+static size_t vbt_data_sz;
void *locate_vbt(size_t *vbt_size)
{
uint32_t vbtsig = 0;
- if (vbt_data_used == 1)
+ if (vbt_data_sz != 0) {
+ if (vbt_size)
+ *vbt_size = vbt_data_sz;
return (void *)vbt_data;
+ }
const char *filename = mainboard_vbt_filename();
@@ -62,7 +65,7 @@ void *locate_vbt(size_t *vbt_size)
printk(BIOS_INFO, "Found a VBT of %zu bytes after decompression\n",
file_size);
- vbt_data_used = 1;
+ vbt_data_sz = file_size;
return (void *)vbt_data;
}