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path: root/drivers/gpu/drm
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-rw-r--r--drivers/gpu/drm/bridge/synopsys/dw-hdmi.c6
-rw-r--r--drivers/gpu/drm/meson/meson_dw_hdmi.c4
2 files changed, 8 insertions, 2 deletions
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index 9d6dcaf317a1..8e1a9854ebc0 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
@@ -3346,6 +3346,12 @@ static int dw_hdmi_parse_dt(struct dw_hdmi *hdmi)
return 0;
}
+bool dw_hdmi_bus_fmt_is_420(struct dw_hdmi *hdmi)
+{
+ return hdmi_bus_fmt_is_yuv420(hdmi->hdmi_data.enc_out_bus_format);
+}
+EXPORT_SYMBOL_GPL(dw_hdmi_bus_fmt_is_420);
+
struct dw_hdmi *dw_hdmi_probe(struct platform_device *pdev,
const struct dw_hdmi_plat_data *plat_data)
{
diff --git a/drivers/gpu/drm/meson/meson_dw_hdmi.c b/drivers/gpu/drm/meson/meson_dw_hdmi.c
index 411219d53b14..18a0f4f4638c 100644
--- a/drivers/gpu/drm/meson/meson_dw_hdmi.c
+++ b/drivers/gpu/drm/meson/meson_dw_hdmi.c
@@ -379,8 +379,8 @@ static int dw_hdmi_phy_init(struct dw_hdmi *hdmi, void *data,
mode->clock > 340000 ? 40 : 10);
if (drm_mode_is_420_only(display, mode) ||
- (!is_hdmi2_sink &&
- drm_mode_is_420_also(display, mode)))
+ (!is_hdmi2_sink && drm_mode_is_420_also(display, mode)) ||
+ dw_hdmi_bus_fmt_is_420(hdmi))
mode_is_420 = true;
/* Enable clocks */