On Tue, 2021-05-11 at 19:05 +0300, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> Let's put the platform checks into intel_hdmi_bpc_possible() so that
> it'll confirm both the source and sink capabilities.
Reviewed-by: José Roberto de Souza <jose.souza@xxxxxxxxx>
>
> Cc: Werner Sembach <wse@xxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/i915/display/intel_hdmi.c | 13 +++++++------
> 1 file changed, 7 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
> index e696766f2b4b..56ac53eab90c 100644
> --- a/drivers/gpu/drm/i915/display/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
> @@ -1865,11 +1865,15 @@ static int intel_hdmi_port_clock(int clock, int bpc)
> static bool intel_hdmi_bpc_possible(struct drm_connector *connector,
> int bpc, bool has_hdmi_sink, bool ycbcr420_output)
> {
> + struct drm_i915_private *i915 = to_i915(connector->dev);
> const struct drm_display_info *info = &connector->display_info;
> const struct drm_hdmi_info *hdmi = &info->hdmi;
>
> switch (bpc) {
> case 12:
> + if (HAS_GMCH(i915))
> + return false;
> +
> if (!has_hdmi_sink)
> return false;
>
> @@ -1878,6 +1882,9 @@ static bool intel_hdmi_bpc_possible(struct drm_connector *connector,
> else
> return info->edid_hdmi_dc_modes & DRM_EDID_HDMI_DC_36;
> case 10:
> + if (DISPLAY_VER(i915) < 11)
> + return false;
> +
> if (!has_hdmi_sink)
> return false;
>
> @@ -1997,12 +2004,6 @@ static bool hdmi_deep_color_possible(const struct intel_crtc_state *crtc_state,
> const struct drm_display_mode *adjusted_mode =
> &crtc_state->hw.adjusted_mode;
>
> - if (HAS_GMCH(dev_priv))
> - return false;
> -
> - if (bpc == 10 && DISPLAY_VER(dev_priv) < 11)
> - return false;
> -
> /*
> * HDMI deep color affects the clocks, so it's only possible
> * when not cloning with other encoder types.
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