drm: remove selecting the card number with --drm-connector

f560437 deprecated this since the
--drm-device path option was added as a replacement. Drop the card
number selection logic.

DOCS/man/vo.rst

@@ -601,18 +601,15 @@ Available video output drivers are:
 
     The following global options are supported by this video output:
 
-    ``--drm-connector=[<gpu_number>.]<name>``
+    ``--drm-connector=<name>``
         Select the connector to use (usually this is a monitor.) If ``<name>``
         is empty or ``auto``, mpv renders the output on the first available
         connector. Use ``--drm-connector=help`` to get a list of available
-        connectors. The ``<gpu_number>`` argument can be used to disambiguate
-        multiple graphic cards, but is deprecated in favor of ``--drm-device``.
-        (default: empty)
+        connectors. (default: empty)
 
     ``--drm-device=<path>``
         Select the DRM device file to use. If specified this overrides automatic
-        card selection and any card number specified ``--drm-connector``.
-        (default: empty)
+        card selection. (default: empty)
 
     ``--drm-mode=<preferred|highest|N|WxH[@R]>``
         Mode to use (resolution and frame rate).

video/out/drm_common.c

@@ -906,22 +906,6 @@ static void get_primary_device_path(struct vo_drm_state *drm)
     drmFreeDevices(devices, card_count);
 }
 
-
-static char *parse_connector_spec(struct vo_drm_state *drm)
-{
-    if (!drm->opts->connector_spec)
-        return NULL;
-    char *dot_ptr = strchr(drm->opts->connector_spec, '.');
-    if (dot_ptr) {
-        MP_WARN(drm, "Warning: Selecting a connector by index with drm-connector "
-                     "is deprecated. Use the drm-device option instead.\n");
-        drm->card_no = strtoul(drm->opts->connector_spec, NULL, 10);
-        return talloc_strdup(drm, dot_ptr + 1);
-    } else {
-        return talloc_strdup(drm, drm->opts->connector_spec);
-    }
-}
-
 static void drm_pflip_cb(int fd, unsigned int msc, unsigned int sec,
                          unsigned int usec, void *data)
 {
@@ -1031,7 +1015,6 @@ bool vo_drm_init(struct vo *vo)
     drm->opts = mp_get_config_group(drm, drm->vo->global, &drm_conf);
 
     drmModeRes *res = NULL;
-    char *connector_name = parse_connector_spec(drm);
     get_primary_device_path(drm);
 
     if (!drm->card_path) {
@@ -1058,7 +1041,7 @@ bool vo_drm_init(struct vo *vo)
         goto err;
     }
 
-    if (!setup_connector(drm, res, connector_name))
+    if (!setup_connector(drm, res, drm->opts->connector_spec))
         goto err;
     if (!setup_crtc(drm, res))
         goto err;