[Intel-gfx] [PATCH 1/4] drm/i915: Add fixed panel mode parsed from EDID for eDP without fixed mode in VBT

[Dave Airlie]

Or any of this series? I'm not seeing them upstream, and I'd really
like to know if they are necessary.

Dave.

On Mon, Jul 19, 2010 at 6:43 PM, Chris Wilson <chris at chris-wilson.co.uk> wrote:
> From: Zhao Yakui <yakui.zhao at intel.com>
>
> Signed-off-by: Zhao Yakui <yakui.zhao at intel.com>
> Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: stable at kernel.org
> ---
>  drivers/gpu/drm/i915/intel_dp.c |   16 +++++++++++++++-
>  1 files changed, 15 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> index b4f0282..74d026c 100644
> --- a/drivers/gpu/drm/i915/intel_dp.c
> +++ b/drivers/gpu/drm/i915/intel_dp.c
> @@ -1325,8 +1325,22 @@ static int intel_dp_get_modes(struct drm_connector *connector)
>         */
>
>        ret = intel_ddc_get_modes(connector, intel_encoder->ddc_bus);
> -       if (ret)
> +       if (ret) {
> +               if ((IS_eDP(intel_encoder) || IS_PCH_eDP(dp_priv)) &&
> +                   !dev_priv->panel_fixed_mode) {
> +                       struct drm_display_mode *newmode;
> +                       list_for_each_entry(newmode, &connector->probed_modes,
> +                                           head) {
> +                               if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
> +                                       dev_priv->panel_fixed_mode =
> +                                               drm_mode_duplicate(dev, newmode);
> +                                       break;
> +                               }
> +                       }
> +               }
> +
>                return ret;
> +       }
>
>        /* if eDP has no EDID, try to use fixed panel mode from VBT */
>        if (IS_eDP(intel_encoder) || IS_PCH_eDP(dp_priv)) {
> --
> 1.7.1
>
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