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. Suggested-by: Matt Roper <matthew.d.roper at intel.com> Cc: Thomas Wood <thomas.wood@xxxxxxxxx> Signed-off-by: Vivek Kasireddy <vivek.kasireddy@xxxxxxxxx> --- lib/igt_kms.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/lib/igt_kms.h b/lib/igt_kms.h index 965c47c..a0bb066 100644 --- a/lib/igt_kms.h +++ b/lib/igt_kms.h @@ -279,6 +279,18 @@ 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 + #define IGT_FIXED(i,f) ((i) << 16 | (f)) void igt_enable_connectors(void); -- 2.4.3 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx