Use drm_default_colorimetry helper function to determine the default
colorspace type (ITU-R BT.601 or ITU-R BT.709).

Signed-off-by: Christoph Manszewski <[email protected]>
---
 drivers/gpu/drm/exynos/exynos_mixer.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c 
b/drivers/gpu/drm/exynos/exynos_mixer.c
index 2a25822bd6a1..895c6268025d 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -384,9 +384,10 @@ static void mixer_cfg_scan(struct mixer_context *ctx, int 
width, int height)
 static void mixer_cfg_rgb_fmt(struct mixer_context *ctx, struct 
drm_display_mode *mode)
 {
        enum hdmi_quantization_range range = drm_default_rgb_quant_range(mode);
+       enum hdmi_colorimetry format = drm_default_colorimetry(mode);
        u32 val;
 
-       if (mode->vdisplay < 720) {
+       if (format == HDMI_COLORIMETRY_ITU_601) {
                val = MXR_CFG_RGB601;
        } else {
                val = MXR_CFG_RGB709;
-- 
2.7.4

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