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-rw-r--r--src/soc/rockchip/rk3288/edp.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/soc/rockchip/rk3288/edp.c b/src/soc/rockchip/rk3288/edp.c
index ce25c1b1fb..7b69ce8d2d 100644
--- a/src/soc/rockchip/rk3288/edp.c
+++ b/src/soc/rockchip/rk3288/edp.c
@@ -765,6 +765,7 @@ static int rk_edp_read_bytes_from_i2c(struct rk_edp *edp,
static int rk_edp_read_edid(struct rk_edp *edp, struct edid *edid)
{
u8 buf[EDID_LENGTH * 2];
+ u32 edid_size = EDID_LENGTH;
int retval;
/* Read EDID data */
@@ -778,6 +779,7 @@ static int rk_edp_read_edid(struct rk_edp *edp, struct edid *edid)
/* check if edid have extension flag, and read additional EDID data */
if (buf[EDID_EXTENSION_FLAG]) {
+ edid_size += EDID_LENGTH;
retval = rk_edp_read_bytes_from_i2c(edp, EDID_ADDR,
EDID_LENGTH, EDID_LENGTH,
&buf[EDID_LENGTH]);
@@ -787,7 +789,7 @@ static int rk_edp_read_edid(struct rk_edp *edp, struct edid *edid)
}
}
- if (decode_edid(buf, sizeof(buf), edid)) {
+ if (decode_edid(buf, edid_size, edid)) {
printk(BIOS_ERR, "%s: Failed to decode EDID.\n",
__func__);
return -1;