[Intel-gfx] [PATCH 3/4] drm/i915/dp: Read the HPD status before trying to read the DPCD
Jani Nikula
jani.nikula at linux.intel.com
Thu Dec 13 12:16:27 CET 2012
On Wed, 12 Dec 2012, Damien Lespiau <damien.lespiau at gmail.com> wrote:
> From: Damien Lespiau <damien.lespiau at intel.com>
>
> Just like:
>
> commit a93cd34234db2269fa2481464ffd39263d617aed
This is your local commit id, and will be meaningless upstream.
Otherwise,
Reviewed-by: Jani Nikula <jani.nikula at intel.com>
> Author: Damien Lespiau <damien.lespiau at intel.com>
> Date: Wed Dec 12 19:37:22 2012 +0000
>
> drm/i915/hdmi: Read the HPD status before trying to read the EDID
>
> But this time for DiplayPort.
>
> Signed-off-by: Damien Lespiau <damien.lespiau at intel.com>
> ---
> drivers/gpu/drm/i915/intel_dp.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> index b2130bc..fe3c22f 100644
> --- a/drivers/gpu/drm/i915/intel_dp.c
> +++ b/drivers/gpu/drm/i915/intel_dp.c
> @@ -2248,6 +2248,8 @@ static enum drm_connector_status
> ironlake_dp_detect(struct intel_dp *intel_dp)
> {
> struct drm_device *dev = intel_dp_to_dev(intel_dp);
> + struct drm_i915_private *dev_priv = dev->dev_private;
> + struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
> enum drm_connector_status status;
>
> /* Can't disconnect eDP, but you can close the lid... */
> @@ -2258,6 +2260,9 @@ ironlake_dp_detect(struct intel_dp *intel_dp)
> return status;
> }
>
> + if (!intel_ironlake_digital_port_connected(dev_priv, intel_dig_port))
> + return connector_status_disconnected;
> +
> return intel_dp_detect_dpcd(intel_dp);
> }
>
> --
> 1.7.11.7
>
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