A simple helper for getting the igt_output_t struct corresponding to the
given DRM connector id.
Cc: Tomeu Vizoso <tomeu@xxxxxxxxxxxxxxx>
Signed-off-by: Lyude <lyude@xxxxxxxxxx>
---
lib/igt_kms.c | 26 ++++++++++++++++++++++++++
lib/igt_kms.h | 2 ++
2 files changed, 28 insertions(+)
diff --git a/lib/igt_kms.c b/lib/igt_kms.c
index df50451..95d16ef 100644
--- a/lib/igt_kms.c
+++ b/lib/igt_kms.c
@@ -1684,6 +1684,32 @@ int igt_display_get_n_pipes(igt_display_t *display)
return display->n_pipes;
}
+/**
+ * igt_output_from_connector:
+ * @display: a pointer to an #igt_display_t structure
+ * @connector: a pointer to a drmModeConnector
+ *
+ * Finds the output corresponding to the given connector
+ *
+ * Returns: A #igt_output_t structure configured to use the connector, or NULL
+ * if none was found
+ */
+igt_output_t *igt_output_from_connector(igt_display_t *display,
+ drmModeConnector *connector)
+{
+ igt_output_t *output, *found = NULL;
+
+ for_each_connected_output(display, output) {
+ if (output->config.connector->connector_id ==
+ connector->connector_id) {
+ found = output;
+ break;
+ }
+ }
+
+ return found;
+}
+
static void igt_pipe_fini(igt_pipe_t *pipe)
{
int i;
diff --git a/lib/igt_kms.h b/lib/igt_kms.h
index 72ed6a3..fd9ff87 100644
--- a/lib/igt_kms.h
+++ b/lib/igt_kms.h
@@ -353,6 +353,8 @@ void igt_output_override_mode(igt_output_t *output, drmModeModeInfo *mode);
void igt_output_set_pipe(igt_output_t *output, enum pipe pipe);
void igt_output_set_scaling_mode(igt_output_t *output, uint64_t scaling_mode);
igt_plane_t *igt_output_get_plane(igt_output_t *output, enum igt_plane plane);
+igt_output_t *igt_output_from_connector(igt_display_t *display,
+ drmModeConnector *connector);
bool igt_pipe_get_property(igt_pipe_t *pipe, const char *name,
uint32_t *prop_id, uint64_t *value,
drmModePropertyPtr *prop);
--
2.9.3
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