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backend/drm: allocate a CRTC in drm_connector_test
We can't perform a test-only atomic commit if the connector is missing a CRTC.
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1 changed files with 10 additions and 0 deletions
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@ -414,6 +414,8 @@ static bool test_buffer(struct wlr_drm_connector *conn,
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return drm_crtc_commit(conn, &conn->output.pending, DRM_MODE_ATOMIC_TEST_ONLY);
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}
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static bool drm_connector_alloc_crtc(struct wlr_drm_connector *conn);
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static bool drm_connector_test(struct wlr_output *output) {
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struct wlr_drm_connector *conn = get_drm_connector_from_output(output);
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@ -427,6 +429,14 @@ static bool drm_connector_test(struct wlr_output *output) {
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}
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}
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if (drm_connector_state_active(conn, &output->pending)) {
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if (!drm_connector_alloc_crtc(conn)) {
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wlr_drm_conn_log(conn, WLR_DEBUG,
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"No CRTC available for this connector");
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return false;
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}
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}
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if ((output->pending.committed & WLR_OUTPUT_STATE_BUFFER) &&
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output->pending.buffer_type == WLR_OUTPUT_STATE_BUFFER_SCANOUT) {
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if (!test_buffer(conn, output->pending.buffer)) {
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