On Wed, Jun 25, 2014 at 08:24:29AM -0700, Jesse Barnes wrote:
> Apparently we can't trust this field on other platforms and need to find
> some other way.
>
> Signed-off-by: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>
Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Since it's a regression it might be a good idea to note the
offender:
commit 27da3bdfcf7f5233cdfe4563f53edf1ecab7cea0
Author: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>
Date: Fri Apr 4 16:12:07 2014 -0700
drm/i915: use VBT to determine whether to enumerate the VGA port
> ---
> drivers/gpu/drm/i915/intel_display.c | 18 +++++++++++++++++-
> 1 file changed, 17 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 065984d..9f80de5 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -11807,6 +11807,22 @@ const char *intel_output_name(int output)
> return names[output];
> }
>
> +static bool intel_crt_present(struct drm_device *dev)
> +{
> + struct drm_i915_private *dev_priv = dev->dev_private;
> +
> + if (IS_ULT(dev))
> + return false;
> +
> + if (IS_CHERRYVIEW(dev))
> + return false;
> +
> + if (IS_VALLEYVIEW(dev) && !dev_priv->vbt.int_crt_support)
> + return false;
> +
> + return true;
> +}
> +
> static void intel_setup_outputs(struct drm_device *dev)
> {
> struct drm_i915_private *dev_priv = dev->dev_private;
> @@ -11815,7 +11831,7 @@ static void intel_setup_outputs(struct drm_device *dev)
>
> intel_lvds_init(dev);
>
> - if (!IS_ULT(dev) && !IS_CHERRYVIEW(dev) && dev_priv->vbt.int_crt_support)
> + if (intel_crt_present(dev))
> intel_crt_init(dev);
>
> if (HAS_DDI(dev)) {
> --
> 1.9.1
>
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--
Ville Syrjälä
Intel OTC
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