drm/mediatek: do mtk_hdmi_send_infoframe after HDMI clock enable

The mtk_hdmi_send_infoframe have to
be run after PLL and PIXEL clock of HDMI enable.
Make sure that HDMI inforframes can be sent
successfully.

Signed-off-by: Junzhi Zhao <junzhi.zhao@mediatek.com>
Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com>

diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c
index 71227de..0e8c4d9 100644 (file)
--- a/drivers/gpu/drm/mediatek/mtk_hdmi.c
+++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c
@@ -1133,12 +1133,6 @@ static int mtk_hdmi_output_set_display_mode(struct mtk_hdmi *hdmi,
        phy_power_on(hdmi->phy);
        mtk_hdmi_aud_output_config(hdmi, mode);
 
-       mtk_hdmi_setup_audio_infoframe(hdmi);
-       mtk_hdmi_setup_avi_infoframe(hdmi, mode);
-       mtk_hdmi_setup_spd_infoframe(hdmi, "mediatek", "On-chip HDMI");
-       if (mode->flags & DRM_MODE_FLAG_3D_MASK)
-               mtk_hdmi_setup_vendor_specific_infoframe(hdmi, mode);
-
        mtk_hdmi_hw_vid_black(hdmi, false);
        mtk_hdmi_hw_aud_unmute(hdmi);
        mtk_hdmi_hw_send_av_unmute(hdmi);
@@ -1401,6 +1395,16 @@ static void mtk_hdmi_bridge_pre_enable(struct drm_bridge *bridge)
        hdmi->powered = true;
 }
 
+static void mtk_hdmi_send_infoframe(struct mtk_hdmi *hdmi,
+                                   struct drm_display_mode *mode)
+{
+       mtk_hdmi_setup_audio_infoframe(hdmi);
+       mtk_hdmi_setup_avi_infoframe(hdmi, mode);
+       mtk_hdmi_setup_spd_infoframe(hdmi, "mediatek", "On-chip HDMI");
+       if (mode->flags & DRM_MODE_FLAG_3D_MASK)
+               mtk_hdmi_setup_vendor_specific_infoframe(hdmi, mode);
+}
+
 static void mtk_hdmi_bridge_enable(struct drm_bridge *bridge)
 {
        struct mtk_hdmi *hdmi = hdmi_ctx_from_bridge(bridge);
@@ -1409,6 +1413,7 @@ static void mtk_hdmi_bridge_enable(struct drm_bridge *bridge)
        clk_prepare_enable(hdmi->clk[MTK_HDMI_CLK_HDMI_PLL]);
        clk_prepare_enable(hdmi->clk[MTK_HDMI_CLK_HDMI_PIXEL]);
        phy_power_on(hdmi->phy);
+       mtk_hdmi_send_infoframe(hdmi, &hdmi->mode);
 
        hdmi->enabled = true;
 }