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backend/drm: add drm_connector_prepare()

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Extract bits we'll re-use for device-wide commits.
This commit is contained in:
Simon Ser 2024-02-16 15:55:16 +01:00 committed by Kenny Levinsen
parent a4f54086c1
commit 35737ab00c
1 changed files with 60 additions and 43 deletions
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103
backend/drm/drm.c
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@ -742,15 +742,11 @@ bool drm_connector_supports_vrr(struct wlr_drm_connector *conn) {
return true;
}
static bool drm_connector_commit_state(struct wlr_drm_connector *conn,
const struct wlr_output_state *state, bool test_only) {
struct wlr_drm_backend *drm = conn->backend;
static bool drm_connector_prepare(struct wlr_drm_connector_state *conn_state, bool test_only) {
const struct wlr_output_state *state = conn_state->base;
struct wlr_drm_connector *conn = conn_state->connector;
struct wlr_output *output = &conn->output;
if (!drm->session->active) {
return false;
}
uint32_t unsupported = state->committed & ~SUPPORTED_OUTPUT_STATE;
if (unsupported != 0) {
wlr_log(WLR_DEBUG, "Unsupported output state fields: 0x%"PRIx32,
@ -758,11 +754,6 @@ static bool drm_connector_commit_state(struct wlr_drm_connector *conn,
return false;
}
if (test_only && (state->committed & COMMIT_OUTPUT_STATE) == 0) {
// This commit doesn't change the KMS state
return true;
}
if ((state->committed & WLR_OUTPUT_STATE_ENABLED) && state->enabled) {
if (output->current_mode == NULL &&
!(state->committed & WLR_OUTPUT_STATE_MODE)) {
@ -772,6 +763,62 @@ static bool drm_connector_commit_state(struct wlr_drm_connector *conn,
}
}
if ((state->committed & WLR_OUTPUT_STATE_ADAPTIVE_SYNC_ENABLED) &&
state->adaptive_sync_enabled &&
!drm_connector_supports_vrr(conn)) {
return false;
}
if (test_only && conn->backend->parent) {
// If we're running as a secondary GPU, we can't perform an atomic
// commit without blitting a buffer.
return true;
}
if (state->committed & WLR_OUTPUT_STATE_BUFFER) {
if (!drm_connector_state_update_primary_fb(conn, conn_state)) {
return false;
}
if (conn_state->base->tearing_page_flip && !conn->backend->supports_tearing_page_flips) {
wlr_log(WLR_ERROR, "Attempted to submit a tearing page flip to an unsupported backend!");
return false;
}
}
if (state->committed & WLR_OUTPUT_STATE_LAYERS) {
if (!drm_connector_set_pending_layer_fbs(conn, conn_state->base)) {
return false;
}
}
if (conn_state->active && !conn_state->primary_fb) {
wlr_drm_conn_log(conn, WLR_DEBUG,
"No primary frame buffer available for this connector");
return false;
}
return true;
}
static bool drm_connector_commit_state(struct wlr_drm_connector *conn,
const struct wlr_output_state *state, bool test_only) {
struct wlr_drm_backend *drm = conn->backend;
if (!drm->session->active) {
return false;
}
if (test_only && (state->committed & COMMIT_OUTPUT_STATE) == 0) {
// This commit doesn't change the KMS state
return true;
}
if (output_pending_enabled(&conn->output, state) && !drm_connector_alloc_crtc(conn)) {
wlr_drm_conn_log(conn, WLR_DEBUG,
"No CRTC available for this connector");
return false;
}
bool ok = false;
struct wlr_drm_connector_state pending = {0};
drm_connector_state_init(&pending, conn, state);
@ -788,15 +835,7 @@ static bool drm_connector_commit_state(struct wlr_drm_connector *conn,
.connectors_len = 1,
};
if (output_pending_enabled(output, state) && !drm_connector_alloc_crtc(conn)) {
wlr_drm_conn_log(conn, WLR_DEBUG,
"No CRTC available for this connector");
return false;
}
if ((state->committed & WLR_OUTPUT_STATE_ADAPTIVE_SYNC_ENABLED) &&
state->adaptive_sync_enabled &&
!drm_connector_supports_vrr(conn)) {
if (!drm_connector_prepare(&pending, test_only)) {
goto out;
}
@ -813,28 +852,6 @@ static bool drm_connector_commit_state(struct wlr_drm_connector *conn,
goto out;
}
if (state->committed & WLR_OUTPUT_STATE_BUFFER) {
if (!drm_connector_state_update_primary_fb(conn, &pending)) {
goto out;
}
if (pending.base->tearing_page_flip && !conn->backend->supports_tearing_page_flips) {
wlr_log(WLR_ERROR, "Attempted to submit a tearing page flip to an unsupported backend!");
goto out;
}
}
if (state->committed & WLR_OUTPUT_STATE_LAYERS) {
if (!drm_connector_set_pending_layer_fbs(conn, pending.base)) {
goto out;
}
}
if (pending.active && !pending.primary_fb) {
wlr_drm_conn_log(conn, WLR_DEBUG,
"No primary frame buffer available for this connector");
goto out;
}
if (!test_only && pending_dev.modeset) {
if (pending.active) {
wlr_drm_conn_log(conn, WLR_INFO, "Modesetting with %dx%d @ %.3f Hz",