[Intel-gfx] [PATCH v3 3/3] drm/i915/dp/mst: Add source port info to debugfs output

Jani Nikula jani.nikula at linux.intel.com
Tue Apr 12 09:36:57 UTC 2016


On Mon, 11 Apr 2016, Jim Bride <jim.bride at linux.intel.com> wrote:
> Modify the debugfs output for i915_dp_mst_info to list the source port for
> the DP MST topology in question.
>
> v2: rebase
> v3: rebase
>
> cc: Jani Nikula <jani.nikula at linux.intel.com>
> Signed-off-by: Jim Bride <jim.bride at linux.intel.com>

Reviewed-by: Jani Nikula <jani.nikula at intel.com>


> ---
>  drivers/gpu/drm/i915/i915_debugfs.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
> index 9640738..644e80b 100644
> --- a/drivers/gpu/drm/i915/i915_debugfs.c
> +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> @@ -3446,7 +3446,8 @@ static int i915_dp_mst_info(struct seq_file *m, void *unused)
>  		intel_dig_port = enc_to_dig_port(encoder);
>  		if (!intel_dig_port->dp.can_mst)
>  			continue;
> -
> +		seq_printf(m, "MST Source Port %c\n",
> +			   port_name(intel_dig_port->port));
>  		drm_dp_mst_dump_topology(m, &intel_dig_port->dp.mst_mgr);
>  	}
>  	drm_modeset_unlock_all(dev);

-- 
Jani Nikula, Intel Open Source Technology Center


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