2014-12-10 21:53 GMT-02:00 Todd Previte <tprevite@xxxxxxxxx>:
> Adds a function to check the status of a Displayport connector. This function
> simplifies the Displayport compliance testing interface in debugfs by providing
> a single method for determining the status of a connector during Displayport
> compliance testing. This function checks whether or not the connector is a
> Displayport connector and whether or not that connector is active.
>
I see patches 14 and 15 rewrite some code that was added by patches 7
and 10. Instead of doing this, please make sure patch 7 already
contains your dp_connector_is_valid() function, then patch 10 just
calls it.
Also, please remove those "goto" and just use plain "return".
> Signed-off-by: Todd Previte <tprevite@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/i915_debugfs.c | 29 +++++++++++++++++++++++++++++
> 1 file changed, 29 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
> index 5eb6c24..978ddd1 100644
> --- a/drivers/gpu/drm/i915/i915_debugfs.c
> +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> @@ -3920,6 +3920,35 @@ static int displayport_parse_config(char *input_buffer,
> return status;
> }
>
> +static bool dp_connector_is_valid(struct drm_connector *connector,
> + bool check_active)
> +{
> + struct intel_encoder *intel_encoder;
> + struct intel_connector *intel_connector;
> +
> + intel_connector = to_intel_connector(connector);
> + intel_encoder = intel_connector->encoder;
> +
> + if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
> + goto no;
> +
> + if (intel_encoder->type != INTEL_OUTPUT_DISPLAYPORT &&
> + intel_encoder->type != INTEL_OUTPUT_UNKNOWN)
> + goto no;
> +
> + if (check_active) {
> + if (connector->status == connector_status_connected)
> + goto yes;
> + else
> + goto no;
> + }
> +
> +yes:
> + return true;
> +no:
> + return false;
> +}
> +
> static int displayport_config_ctl_show(struct seq_file *m, void *data)
> {
> struct drm_device *dev = m->private;
> --
> 1.9.1
>
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--
Paulo Zanoni
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