Hi Neil!
Dne ponedeljek, 02. marec 2020 ob 10:26:09 CET je Neil Armstrong napisal(a):
> Hi Jernej,
>
> On 29/02/2020 17:30, Jernej Skrabec wrote:
> > Currently, is_color_space_conversion() compares not only color spaces
> > but also formats. For example, function would return true if YCbCr 4:4:4
> > and YCbCr 4:2:2 would be set. Obviously in that case color spaces are
> > the same.
> >
> > Fix that by comparing if both values represent RGB color space.
> >
> > Fixes: b21f4b658df8 ("drm: imx: imx-hdmi: move imx-hdmi to
> > bridge/dw_hdmi")
> > Signed-off-by: Jernej Skrabec <jernej.skrabec@xxxxxxxx>
> > ---
> >
> > drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 3 ++-
> > 1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> > b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c index
> > 24965e53d351..9d7bfb1cb213 100644
> > --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> > +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> > @@ -956,7 +956,8 @@ static void hdmi_video_sample(struct dw_hdmi *hdmi)
> >
> > static int is_color_space_conversion(struct dw_hdmi *hdmi)
> > {
> >
> > - return hdmi->hdmi_data.enc_in_bus_format !=
> > hdmi->hdmi_data.enc_out_bus_format; + return
> > hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_in_bus_format) !=
> > + hdmi_bus_fmt_is_rgb(hdmi-
>hdmi_data.enc_out_bus_format);
> >
> > }
> >
> > static int is_color_space_decimation(struct dw_hdmi *hdmi)
>
> I think in this case you should also fix the CEC enablement to:
you mean CSC, right?
> if (is_color_space_conversion(hdmi) || is_color_space_decimation(hdmi))
>
> in dw_hdmi_enable_video_path() otherwise CSC won't be enabled and will be
> bypassed in decimation case only.
>
Missed that one. I'll fix in v2.
Best regards,
Jernej
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