[Intel-gfx] [PATCH 3/4] drm/i915: Allow HDMI+VGA cloning

[Rodrigo Vivi]

Reviewed-by: Rodrigo Vivi <rodrigo.vivi at gmail.com>

On Mon, Mar 3, 2014 at 11:15 AM,  <ville.syrjala at linux.intel.com> wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
>
> HDMI+VGA cloning should be supported on all platforms. The only real
> obstacle is the 1.5x clock adjustment for 12bpc HDMI, but that is now
> taken care of, so we can allow HDMI+VGA cloning.
>
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=73850
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> ---
>  drivers/gpu/drm/i915/intel_crt.c  | 2 +-
>  drivers/gpu/drm/i915/intel_hdmi.c | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
> index da37930..c0b40ab 100644
> --- a/drivers/gpu/drm/i915/intel_crt.c
> +++ b/drivers/gpu/drm/i915/intel_crt.c
> @@ -800,7 +800,7 @@ void intel_crt_init(struct drm_device *dev)
>         intel_connector_attach_encoder(intel_connector, &crt->base);
>
>         crt->base.type = INTEL_OUTPUT_ANALOG;
> -       crt->base.cloneable = 1 << INTEL_OUTPUT_DVO;
> +       crt->base.cloneable = (1 << INTEL_OUTPUT_DVO) | (1 << INTEL_OUTPUT_HDMI);
>         if (IS_I830(dev))
>                 crt->base.crtc_mask = (1 << 0);
>         else
> diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
> index 524962d..9dacb33 100644
> --- a/drivers/gpu/drm/i915/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/intel_hdmi.c
> @@ -1315,7 +1315,7 @@ void intel_hdmi_init(struct drm_device *dev, int hdmi_reg, enum port port)
>
>         intel_encoder->type = INTEL_OUTPUT_HDMI;
>         intel_encoder->crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
> -       intel_encoder->cloneable = 0;
> +       intel_encoder->cloneable = 1 << INTEL_OUTPUT_ANALOG;
>
>         intel_dig_port->port = port;
>         intel_dig_port->hdmi.hdmi_reg = hdmi_reg;
> --
> 1.8.3.2
>
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-- 
Rodrigo Vivi
Blog: http://blog.vivi.eng.br