drm/i915/hdmi: Introduce intel_hdmi_is_ycbr420()

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Introduce a small helper which given the crtc state tells us
whether we're output YCbCr 4:2:0 or not. For native HDMI this
is rather simple as we just look at the output_format. But I
think the helper is beneficial since with DP HDMI DFPs we're
going to need a more complex variant, and I want to unify the
DP and HDMI sides of that as much as possible.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211015133921.4609-3-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>

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Ville Syrjälä 2021-10-15 16:39:03 +03:00

parent 3cf460bd68

commit bb115220d2

1 changed files with 10 additions and 6 deletions

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drivers/gpu/drm/i915/display/intel_hdmi.c

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