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backend/drm: WIP Allow non-block backend commits

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This commit is contained in:
Kenny Levinsen 2024-10-15 16:22:48 +02:00
parent d1c88e9497
commit a5b46e0aba
1 changed files with 7 additions and 3 deletions
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10
backend/drm/drm.c
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@ -612,9 +612,6 @@ static void drm_connector_rollback_commit(const struct wlr_drm_connector_state *
static bool drm_commit(struct wlr_drm_backend *drm,
const struct wlr_drm_device_state *state,
uint32_t flags, bool test_only) {
// Disallow atomic-only flags
assert((flags & ~DRM_MODE_PAGE_FLIP_FLAGS) == 0);
struct wlr_drm_page_flip *page_flip = NULL;
if (flags & DRM_MODE_PAGE_FLIP_EVENT) {
page_flip = drm_page_flip_create(drm, state);
@ -1918,6 +1915,7 @@ bool commit_drm_device(struct wlr_drm_backend *drm,
bool ok = false;
bool modeset = false;
size_t conn_states_len = 0;
bool nonblock = drm->iface == &atomic_iface;
for (size_t i = 0; i < output_states_len; i++) {
const struct wlr_backend_output_state *output_state = &output_states[i];
struct wlr_output *output = output_state->output;
@ -1928,6 +1926,9 @@ bool commit_drm_device(struct wlr_drm_backend *drm,
}
struct wlr_drm_connector *conn = get_drm_connector_from_output(output);
if (!test_only && conn->pending_page_flip != NULL) {
nonblock = false;
}
if (output_pending_enabled(output, &output_state->base) && !drm_connector_alloc_crtc(conn)) {
wlr_drm_conn_log(conn, WLR_DEBUG,
@ -1962,6 +1963,9 @@ bool commit_drm_device(struct wlr_drm_backend *drm,
if (!test_only) {
flags |= DRM_MODE_PAGE_FLIP_EVENT;
}
if (nonblock) {
flags |= DRM_MODE_ATOMIC_NONBLOCK;
}
struct wlr_drm_device_state dev_state = {
.modeset = modeset,
.connectors = conn_states,