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backend/drm: drop drm_crtc_page_flip()

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Inline it in drm_connector_commit_state(). Brings us a step closer
to unifying the test code-path and the commit code-path.
This commit is contained in:
Simon Ser 2022-10-17 16:42:19 +02:00
parent 0c962c98cc
commit a2063c93ea
1 changed files with 28 additions and 39 deletions
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65
backend/drm/drm.c
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@ -348,37 +348,6 @@ static bool drm_crtc_commit(struct wlr_drm_connector *conn,
return ok;
}
static bool drm_crtc_page_flip(struct wlr_drm_connector *conn,
const struct wlr_drm_connector_state *state) {
struct wlr_drm_crtc *crtc = conn->crtc;
assert(crtc != NULL);
// wlr_drm_interface.crtc_commit will perform either a non-blocking
// page-flip, either a blocking modeset. When performing a blocking modeset
// we'll wait for all queued page-flips to complete, so we don't need this
// safeguard.
if (conn->pending_page_flip_crtc && !state->modeset) {
wlr_drm_conn_log(conn, WLR_ERROR, "Failed to page-flip output: "
"a page-flip is already pending");
return false;
}
assert(state->active);
assert(plane_get_next_fb(crtc->primary));
if (!drm_crtc_commit(conn, state, DRM_MODE_PAGE_FLIP_EVENT, false)) {
return false;
}
conn->pending_page_flip_crtc = crtc->id;
// wlr_output's API guarantees that submitting a buffer will schedule a
// frame event. However the DRM backend will also schedule a frame event
// when performing a modeset. Set frame_pending to true so that
// wlr_output_schedule_frame doesn't trigger a synthetic frame event.
conn->output.frame_pending = true;
return true;
}
static void drm_connector_state_init(struct wlr_drm_connector_state *state,
struct wlr_drm_connector *conn,
const struct wlr_output_state *base) {
@ -578,6 +547,11 @@ bool drm_connector_commit_state(struct wlr_drm_connector *conn,
struct wlr_drm_connector_state pending = {0};
drm_connector_state_init(&pending, conn, base);
if (!pending.active && conn->crtc == NULL) {
// Disabling an already-disabled connector
return true;
}
if (pending.active) {
if (!drm_connector_alloc_crtc(conn)) {
wlr_drm_conn_log(conn, WLR_ERROR,
@ -586,21 +560,27 @@ bool drm_connector_commit_state(struct wlr_drm_connector *conn,
}
}
uint32_t flags = 0;
if (pending.base->committed & WLR_OUTPUT_STATE_BUFFER) {
if (!drm_connector_set_pending_fb(conn, pending.base)) {
return false;
}
flags |= DRM_MODE_PAGE_FLIP_EVENT;
// wlr_drm_interface.crtc_commit will perform either a non-blocking
// page-flip, either a blocking modeset. When performing a blocking modeset
// we'll wait for all queued page-flips to complete, so we don't need this
// safeguard.
if (conn->pending_page_flip_crtc && !pending.modeset) {
wlr_drm_conn_log(conn, WLR_ERROR, "Failed to page-flip output: "
"a page-flip is already pending");
return false;
}
}
if (pending.base->committed & WLR_OUTPUT_STATE_BUFFER) {
if (!drm_crtc_page_flip(conn, &pending)) {
if (!drm_crtc_commit(conn, &pending, flags, false)) {
return false;
}
} else if (pending.active || conn->crtc != NULL) {
if (!drm_crtc_commit(conn, &pending, 0, false)) {
return false;
}
}
if (pending.base->committed & WLR_OUTPUT_STATE_ENABLED) {
wlr_output_update_enabled(&conn->output, pending.active);
@ -617,6 +597,15 @@ bool drm_connector_commit_state(struct wlr_drm_connector *conn,
}
wlr_output_update_mode(&conn->output, mode);
}
if (flags & DRM_MODE_PAGE_FLIP_EVENT) {
conn->pending_page_flip_crtc = conn->crtc->id;
// wlr_output's API guarantees that submitting a buffer will schedule a
// frame event. However the DRM backend will also schedule a frame event
// when performing a modeset. Set frame_pending to true so that
// wlr_output_schedule_frame doesn't trigger a synthetic frame event.
conn->output.frame_pending = true;
}
return true;
}