diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c index 5febffdb027d..011e1cac3e4c 100644 --- a/drivers/gpu/drm/i2c/tda998x_drv.c +++ b/drivers/gpu/drm/i2c/tda998x_drv.c @@ -634,19 +634,21 @@ 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); + drm_hdmi_avi_infoframe_from_display_mode(&frame, mode); - tda998x_write_if(priv, DIP_IF_FLAGS_IF2, REG_IF2_HB0, buf, - sizeof(buf)); + 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)