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backend/drm: refuse to enable an output without a mode

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This commit is contained in:
Simon Ser 2020-05-17 18:49:56 +02:00 committed by Drew DeVault
parent 47e5212823
commit 21c6cc5e4c
1 changed files with 9 additions and 0 deletions
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9
backend/drm/drm.c
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@ -422,6 +422,15 @@ static bool test_buffer(struct wlr_drm_connector *conn,
static bool drm_connector_test(struct wlr_output *output) {
struct wlr_drm_connector *conn = get_drm_connector_from_output(output);
if ((output->pending.committed & WLR_OUTPUT_STATE_ENABLED) &&
output->pending.enabled) {
if (output->current_mode == NULL &&
!(output->pending.committed & WLR_OUTPUT_STATE_MODE)) {
wlr_log(WLR_DEBUG, "Can't enable an output without a mode");
return false;
}
}
if ((output->pending.committed & WLR_OUTPUT_STATE_BUFFER) &&
output->pending.buffer_type == WLR_OUTPUT_STATE_BUFFER_SCANOUT) {
if (!test_buffer(conn, output->pending.buffer)) {