lib/display: Add a way to specify we don't care about the pipe to use

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>

diff --git a/lib/igt_kms.c b/lib/igt_kms.c
index e2225e6..08baa06 100644 (file)
--- a/lib/igt_kms.c
+++ b/lib/igt_kms.c
@@ -1227,10 +1227,14 @@ void igt_output_set_pipe(igt_output_t *output, enum pipe pipe)
 {
        igt_display_t *display = output->display;
 
-       LOG(display, "%s: set_pipe(%c)\n", igt_output_name(output),
-           pipe_name(pipe));
-
-       output->pending_crtc_idx_mask = 1 << pipe;
+       if (pipe == PIPE_ANY) {
+               LOG(display, "%s: set_pipe(any)\n", igt_output_name(output));
+               output->pending_crtc_idx_mask = -1UL;
+       } else {
+               LOG(display, "%s: set_pipe(%c)\n", igt_output_name(output),
+                   pipe_name(pipe));
+               output->pending_crtc_idx_mask = 1 << pipe;
+       }
 }
 
 igt_plane_t *igt_ouput_get_plane(igt_output_t *output, enum igt_plane plane)

diff --git a/lib/igt_kms.h b/lib/igt_kms.h
index e86cff4..07cf8a2 100644 (file)
--- a/lib/igt_kms.h
+++ b/lib/igt_kms.h
@@ -170,6 +170,12 @@ void igt_plane_set_position(igt_plane_t *plane, int x, int y);
        for (int i__ = 0;  i__ < (display)->n_outputs; i__++)   \
                if ((output = &(display)->outputs[i__]), output->valid)
 
+/*
+ * Can be used with igt_output_set_pipe() to mean we don't care about the pipe
+ * that should drive this output
+ */
+#define PIPE_ANY       (-1)
+
 #define IGT_FIXED(i,f) ((i) << 16 | (f))
 
 #endif /* __IGT_KMS_H__ */