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Enable parsing of TILE info for DRM backend

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This commit is contained in:
Christian Kröner 2021-06-09 22:35:35 +02:00
parent 3a685b10b6
commit 21fecd6015
6 changed files with 59 additions and 1 deletions
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6
backend/drm/drm.c
View file

@ -1326,6 +1326,12 @@ void scan_drm_connectors(struct wlr_drm_backend *drm,
parse_edid(&wlr_conn->output, edid_len, edid);
free(edid);
size_t tile_len = 0;
uint8_t *tile = get_drm_prop_blob(drm->fd,
wlr_conn->id, wlr_conn->props.tile, &tile_len);
parse_tile(&wlr_conn->output, tile_len, tile);
free(tile);
char *subconnector = NULL;
if (wlr_conn->props.subconnector) {
subconnector = get_drm_prop_enum(drm->fd,

1
backend/drm/properties.c
View file

@ -24,6 +24,7 @@ static const struct prop_info connector_info[] = {
{ "DPMS", INDEX(dpms) },
{ "EDID", INDEX(edid) },
{ "PATH", INDEX(path) },
{ "TILE", INDEX(tile) },
{ "link-status", INDEX(link_status) },
{ "non-desktop", INDEX(non_desktop) },
{ "panel orientation", INDEX(panel_orientation) },

35
backend/drm/util.c
View file

@ -144,6 +144,41 @@ void parse_edid(struct wlr_output *restrict output, size_t len, const uint8_t *d
}
}
void parse_tile(struct wlr_output *restrict output, size_t len, const uint8_t *data) {
if (len > 0) {
int ret;
ret = sscanf((char*)data, "%d:%d:%d:%d:%d:%d:%d:%d",
&output->tile_info.group_id,
&output->tile_info.tile_is_single_monitor,
&output->tile_info.num_h_tile,
&output->tile_info.num_v_tile,
&output->tile_info.tile_h_loc,
&output->tile_info.tile_v_loc,
&output->tile_info.tile_h_size,
&output->tile_info.tile_v_size);
if(ret != 8)
wlr_log(WLR_ERROR, "Unable to understand tile information for "
"output %s", output->name);
else
wlr_log(WLR_INFO, "Output %s TILE information: "
"group ID %d, single monitor %d, total %d horizontal tiles, "
"total %d vertical tiles, horizontal tile %d, vertical tile "
"%d, width %d, height %d",
output->name,
output->tile_info.group_id,
output->tile_info.tile_is_single_monitor,
output->tile_info.num_h_tile,
output->tile_info.num_v_tile,
output->tile_info.tile_h_loc,
output->tile_info.tile_v_loc,
output->tile_info.tile_h_size,
output->tile_info.tile_v_size);
}
else
wlr_log(WLR_DEBUG, "No tile information available for output %s",
output->name);
}
const char *conn_get_name(uint32_t type_id) {
switch (type_id) {
case DRM_MODE_CONNECTOR_Unknown: return "Unknown";