For vp8 not support 4K, need to disable it.

Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>
---
 drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec.c b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec.c
index 1fb49a779c5d..dab6acb3158c 100644
--- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec.c
+++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec.c
@@ -446,7 +446,8 @@ static int vidioc_vdec_s_fmt(struct file *file, void *priv,
 	if (fmt == NULL)
 		return -EINVAL;
 
-	if (!(ctx->dev->dec_capability & VCODEC_CAPABILITY_4K_DISABLED)) {
+	if (!(ctx->dev->dec_capability & VCODEC_CAPABILITY_4K_DISABLED) &&
+	    fmt->fourcc != V4L2_PIX_FMT_VP8_FRAME) {
 		mtk_v4l2_debug(3, "4K is enabled");
 		ctx->max_width = VCODEC_DEC_4K_CODED_WIDTH;
 		ctx->max_height = VCODEC_DEC_4K_CODED_HEIGHT;
-- 
2.18.0