On Tue, 21 Jan 2020, Ville Syrjala <[email protected]> wrote:
> From: Ville Syrjälä <[email protected]>
>
> ns2501 has a builtin scaler so it doesn't need a fixed mode, but
> let's still mark it as LVDS instead of TMDS/DVI to make life less
> confusing.
>
> Signed-off-by: Ville Syrjälä <[email protected]>
> ---
>  drivers/gpu/drm/i915/display/intel_dvo.c | 13 ++++++++-----
>  1 file changed, 8 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_dvo.c 
> b/drivers/gpu/drm/i915/display/intel_dvo.c
> index 86a337c9d85d..0d4719daec8e 100644
> --- a/drivers/gpu/drm/i915/display/intel_dvo.c
> +++ b/drivers/gpu/drm/i915/display/intel_dvo.c
> @@ -44,6 +44,7 @@
>  #define INTEL_DVO_CHIP_LVDS  1
>  #define INTEL_DVO_CHIP_TMDS  2
>  #define INTEL_DVO_CHIP_TVOUT 4
> +#define INTEL_DVO_CHIP_LVDS_NO_FIXED 5
>  
>  #define SIL164_ADDR  0x38
>  #define CH7xxx_ADDR  0x76
> @@ -101,13 +102,13 @@ static const struct intel_dvo_device 
> intel_dvo_devices[] = {
>               .dev_ops = &ch7017_ops,
>       },
>       {
> -             .type = INTEL_DVO_CHIP_TMDS,
> +             .type = INTEL_DVO_CHIP_LVDS_NO_FIXED,
>               .name = "ns2501",
>               .dvo_reg = DVOB,
>               .dvo_srcdim_reg = DVOB_SRCDIM,
>               .slave_addr = NS2501_ADDR,
>               .dev_ops = &ns2501_ops,
> -       }
> +     },
>  };
>  
>  struct intel_dvo {
> @@ -507,17 +508,19 @@ void intel_dvo_init(struct drm_i915_private *dev_priv)
>               intel_encoder->port = port;
>               intel_encoder->pipe_mask = ~0;
>  
> -             switch (dvo->type) {
> -             case INTEL_DVO_CHIP_TMDS:
> +             if (dvo->type != INTEL_DVO_CHIP_LVDS)
>                       intel_encoder->cloneable = (1 << INTEL_OUTPUT_ANALOG) |
>                               (1 << INTEL_OUTPUT_DVO);
> +
> +             switch (dvo->type) {
> +             case INTEL_DVO_CHIP_TMDS:
>                       drm_connector_init(&dev_priv->drm, connector,
>                                          &intel_dvo_connector_funcs,
>                                          DRM_MODE_CONNECTOR_DVII);
>                       encoder_type = DRM_MODE_ENCODER_TMDS;
>                       break;
> +             case INTEL_DVO_CHIP_LVDS_NO_FIXED:
>               case INTEL_DVO_CHIP_LVDS:
> -                     intel_encoder->cloneable = 0;
>                       drm_connector_init(&dev_priv->drm, connector,
>                                          &intel_dvo_connector_funcs,
>                                          DRM_MODE_CONNECTOR_LVDS);

Not sure if the consecutive if and switch here make this part less
confusing, but perhaps the higher level semantic change is more
important? *shrug*

Reviewed-by: Jani Nikula <[email protected]>


-- 
Jani Nikula, Intel Open Source Graphics Center
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