1 files changed, 14 insertions, 12 deletions

diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c
index 43d5d91fe880..fbc9c1facdfe 100644
--- a/drivers/gpu/drm/i2c/tda998x_drv.c
+++ b/drivers/gpu/drm/i2c/tda998x_drv.c
@@ -610,19 +610,21 @@ tda998x_write_aif(struct tda998x_priv *priv, struct tda998x_encoder_params *p)
 static void
 tda998x_write_avi(struct tda998x_priv *priv, struct drm_display_mode *mode)
 {
-        u8 buf[PB(HDMI_AVI_INFOFRAME_SIZE) + 1];
+        struct hdmi_avi_infoframe frame;
+        u8 buf[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
+        ssize_t len;
 
-        memset(buf, 0, sizeof(buf));
-        buf[HB(0)] = HDMI_INFOFRAME_TYPE_AVI;
-        buf[HB(1)] = 0x02;
-        buf[HB(2)] = HDMI_AVI_INFOFRAME_SIZE;
-        buf[PB(1)] = HDMI_SCAN_MODE_UNDERSCAN;
-        buf[PB(2)] = HDMI_ACTIVE_ASPECT_PICTURE;
-        buf[PB(3)] = HDMI_QUANTIZATION_RANGE_FULL << 2;
-        buf[PB(4)] = drm_match_cea_mode(mode);
-
-        tda998x_write_if(priv, DIP_IF_FLAGS_IF2, REG_IF2_HB0, buf,
-                         sizeof(buf));
+        drm_hdmi_avi_infoframe_from_display_mode(&frame, mode);
+
+        frame.quantization_range = HDMI_QUANTIZATION_RANGE_FULL;
+
+        len = hdmi_avi_infoframe_pack(&frame, buf, sizeof(buf));
+        if (len < 0) {
+                dev_err(&priv->hdmi->dev, "hdmi_avi_infoframe_pack() failed: %d\n", len);
+                return;
+        }
+
+        tda998x_write_if(priv, DIP_IF_FLAGS_IF2, REG_IF2_HB0, buf, len);
 }
 
 static void tda998x_audio_mute(struct tda998x_priv *priv, bool on)