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-rw-r--r--src/lib/gamma-linux-drm.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/lib/gamma-linux-drm.c b/src/lib/gamma-linux-drm.c
index 8d6a0e9..5587a2a 100644
--- a/src/lib/gamma-linux-drm.c
+++ b/src/lib/gamma-linux-drm.c
@@ -452,8 +452,14 @@ static drmModeConnector* find_connector(libgamma_crtc_state_t* restrict this, in
/* Fill connector and encoder arrays. */
for (i = 0; i < n; i++)
{
+ /* Get connector, */
if ((card->connectors[i] = drmModeGetConnector(card->fd, card->res->connectors[i])) == NULL)
goto fail;
+ /* Get encoder if the connector is enabled.
+ If it is disabled it will not have an
+ encoder, which is indicated by the
+ encoder ID being 0. In such case, leave
+ the encoder to be `NULL`. */
if ((card->connectors[i]->encoder_id != 0) &&
((card->encoders[i] = drmModeGetEncoder(card->fd, card->connectors[i]->encoder_id)) == NULL))
goto fail;