[Intel-gfx] [PATCH] igt/igt_kms: Introduce get_first_connected_output (v2)

[Thomas Wood]

On 5 November 2015 at 01:34, Vivek Kasireddy <vivek.kasireddy at intel.com> wrote:
> In some cases, we just need one valid (connected) output to perform
> a test. This macro can help in these situations by not having to
> put the test code inside a for loop that iterates over all the outputs.
>
> v2: Added a brief documentation for this macro.

The new macro is no longer being used anywhere. Is there a new patch
that uses the macro?


Also, if re-sending the patch, please make sure it is tagged correctly
as described in:

http://lists.freedesktop.org/archives/intel-gfx/2015-November/079712.html

This also explains how to manage the version tag in the subject line.


>
> Suggested-by: Matt Roper <matthew.d.roper at intel.com>
> Cc: Thomas Wood <thomas.wood at intel.com>
> Signed-off-by: Vivek Kasireddy <vivek.kasireddy at intel.com>
> ---
>  lib/igt_kms.h | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
>
> diff --git a/lib/igt_kms.h b/lib/igt_kms.h
> index 09c08aa..91fa206 100644
> --- a/lib/igt_kms.h
> +++ b/lib/igt_kms.h
> @@ -278,6 +278,18 @@ void igt_wait_for_vblank(int drm_fd, enum pipe pipe);
>         for (int i__ = 0; (plane) = &(display)->pipes[(pipe)].planes[i__], \
>                      i__ < (display)->pipes[(pipe)].n_planes; i__++)
>
> +/**
> + * get_first_connected_output:
> + * @display: Initialized igt_display_t type object
> + * @output: igt_output_t type object
> + *
> + * Returns: First valid (connected) output.
> + */
> +#define get_first_connected_output(display, output)            \
> +       for (int i__ = 0;  i__ < (display)->n_outputs; i__++)   \
> +               if ((output = &(display)->outputs[i__]), output->valid) \
> +                       break
> +
>  /*
>   * Can be used with igt_output_set_pipe() to mean we don't care about the pipe
>   * that should drive this output
> --
> 2.4.3
>