On Thu, 16 Feb 2017, Abdiel Janulgue <abdiel.janul...@linux.intel.com> wrote:
> From: marius vlad <marius.c.v...@intel.com>
>
> Make a copy of drm_property_blob data for user-supplied EDID blobs.

I'd like to stop this approach from spreading by handling the EDID
overrides at a lower level [1]. Otherwise, we'll fill all drivers with
special casing.


BR,
Jani.


[1] https://patchwork.freedesktop.org/series/19764/

> Signed-off-by: Abdiel Janulgue <abdiel.janul...@linux.intel.com>
> Signed-off-by: Marius Vlad <marius.c.v...@intel.com>
> ---
>  drivers/gpu/drm/i915/intel_hdmi.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_hdmi.c 
> b/drivers/gpu/drm/i915/intel_hdmi.c
> index a580de8..76b8023 100644
> --- a/drivers/gpu/drm/i915/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/intel_hdmi.c
> @@ -1463,6 +1463,16 @@ intel_hdmi_set_edid(struct drm_connector *connector)
>                           intel_gmbus_get_adapter(dev_priv,
>                           intel_hdmi->ddc_bus));
>  
> +     /*
> +      * Use the user-supplied EDID blob in case we don't have an
> +      * EDID from the display.
> +      */
> +     if (!edid && connector->override_edid) {
> +             edid = kmemdup(connector->edid_blob_ptr->data,
> +                            connector->edid_blob_ptr->length,
> +                            GFP_KERNEL);
> +     }
> +
>       intel_hdmi_dp_dual_mode_detect(connector, edid != NULL);
>  
>       intel_display_power_put(dev_priv, POWER_DOMAIN_GMBUS);

-- 
Jani Nikula, Intel Open Source Technology Center
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