mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-04 20:55:58 +01:00
backend/drm: introduce drm_connector_alloc_crtc
This function allocates a CRTC for a connector if necessary.
This commit is contained in:
parent
63f891e393
commit
b180d3482f
1 changed files with 14 additions and 5 deletions
|
@ -727,6 +727,19 @@ static void attempt_enable_needs_modeset(struct wlr_drm_backend *drm) {
|
|||
}
|
||||
}
|
||||
|
||||
static bool drm_connector_alloc_crtc(struct wlr_drm_connector *conn) {
|
||||
if (conn->crtc != NULL) {
|
||||
return true;
|
||||
}
|
||||
|
||||
bool prev_desired_enabled = conn->desired_enabled;
|
||||
conn->desired_enabled = true;
|
||||
realloc_crtcs(conn->backend);
|
||||
conn->desired_enabled = prev_desired_enabled;
|
||||
|
||||
return conn->crtc != NULL;
|
||||
}
|
||||
|
||||
static bool drm_connector_set_mode(struct wlr_drm_connector *conn,
|
||||
const struct wlr_output_state *state) {
|
||||
struct wlr_drm_backend *drm = conn->backend;
|
||||
|
@ -763,11 +776,7 @@ static bool drm_connector_set_mode(struct wlr_drm_connector *conn,
|
|||
return false;
|
||||
}
|
||||
|
||||
if (conn->crtc == NULL) {
|
||||
// Maybe we can steal a CRTC from a disabled output
|
||||
realloc_crtcs(drm);
|
||||
}
|
||||
if (conn->crtc == NULL) {
|
||||
if (!drm_connector_alloc_crtc(conn)) {
|
||||
wlr_drm_conn_log(conn, WLR_ERROR,
|
||||
"Cannot perform modeset: no CRTC for this connector");
|
||||
return false;
|
||||
|
|
Loading…
Reference in a new issue