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backend/drm: introduce drm_connector_commit_state

Browse source 
Backend-initiated mode changes can use this function instead of
going through drm_connector_set_mode. drm_connector_set_mode becomes
a mere drm_connector_commit_state helper.
This commit is contained in:
Simon Ser 2021-04-06 17:58:10 +02:00 • committed by Kenny Levinsen
parent e543e26206
commit a1e8a639b3
3 changed files with 27 additions and 21 deletions
Download patch file Download diff file Expand all files Collapse all files

2
backend/drm/backend.c
View file

@ -128,7 +128,7 @@ static void handle_session_active(struct wl_listener *listener, void *data) {
.mode_type = WLR_OUTPUT_STATE_MODE_FIXED,
.mode = mode,
};
drm_connector_set_mode(conn, &state);
drm_connector_commit_state(conn, &state);
}
} else {
wlr_log(WLR_INFO, "DRM fd paused");

44
backend/drm/drm.c
View file

@ -487,29 +487,26 @@ bool drm_connector_supports_vrr(struct wlr_drm_connector *conn) {
return true;
}
static bool drm_connector_commit(struct wlr_output *output) {
struct wlr_drm_connector *conn = get_drm_connector_from_output(output);
struct wlr_drm_backend *drm = conn->backend;
static bool drm_connector_set_mode(struct wlr_drm_connector *conn,
const struct wlr_output_state *state);
if (!drm_connector_test(output)) {
return false;
}
bool drm_connector_commit_state(struct wlr_drm_connector *conn,
const struct wlr_output_state *pending) {
struct wlr_drm_backend *drm = conn->backend;
struct wlr_output_state state = *pending;
if (!drm->session->active) {
return false;
}
if (output->pending.committed &
(WLR_OUTPUT_STATE_MODE | WLR_OUTPUT_STATE_ENABLED)) {
struct wlr_output_state state = output->pending;
if (state.committed & (WLR_OUTPUT_STATE_MODE | WLR_OUTPUT_STATE_ENABLED)) {
if ((state.committed & WLR_OUTPUT_STATE_MODE) &&
state.mode_type == WLR_OUTPUT_STATE_MODE_CUSTOM) {
drmModeModeInfo mode = {0};
drm_connector_state_mode(conn, &output->pending, &mode);
drm_connector_state_mode(conn, &state, &mode);
state.mode_type = WLR_OUTPUT_STATE_MODE_FIXED;
state.mode = wlr_drm_connector_add_mode(output, &mode);
state.mode = wlr_drm_connector_add_mode(&conn->output, &mode);
if (state.mode == NULL) {
return false;
}
@ -518,17 +515,16 @@ static bool drm_connector_commit(struct wlr_output *output) {
if (!drm_connector_set_mode(conn, &state)) {
return false;
}
} else if (output->pending.committed & WLR_OUTPUT_STATE_BUFFER) {
} else if (state.committed & WLR_OUTPUT_STATE_BUFFER) {
// TODO: support modesetting with a buffer
if (!drm_connector_commit_buffer(conn, &output->pending)) {
if (!drm_connector_commit_buffer(conn, &state)) {
return false;
}
} else if (output->pending.committed &
(WLR_OUTPUT_STATE_ADAPTIVE_SYNC_ENABLED |
} else if (state.committed & (WLR_OUTPUT_STATE_ADAPTIVE_SYNC_ENABLED |
WLR_OUTPUT_STATE_GAMMA_LUT)) {
assert(conn->crtc != NULL);
// TODO: maybe request a page-flip event here?
if (!drm_crtc_commit(conn, &output->pending, 0)) {
if (!drm_crtc_commit(conn, &state, 0)) {
return false;
}
}
@ -536,6 +532,16 @@ static bool drm_connector_commit(struct wlr_output *output) {
return true;
}
static bool drm_connector_commit(struct wlr_output *output) {
struct wlr_drm_connector *conn = get_drm_connector_from_output(output);
if (!drm_connector_test(output)) {
return false;
}
return drm_connector_commit_state(conn, &output->pending);
}
static void drm_connector_rollback_render(struct wlr_output *output) {
struct wlr_drm_connector *conn = get_drm_connector_from_output(output);
return drm_surface_unset_current(&conn->crtc->primary->surf);
@ -712,12 +718,12 @@ static void attempt_enable_needs_modeset(struct wlr_drm_backend *drm) {
.mode_type = WLR_OUTPUT_STATE_MODE_FIXED,
.mode = conn->desired_mode,
};
drm_connector_set_mode(conn, &state);
drm_connector_commit_state(conn, &state);
}
}
}
bool drm_connector_set_mode(struct wlr_drm_connector *conn,
static bool drm_connector_set_mode(struct wlr_drm_connector *conn,
const struct wlr_output_state *state) {
struct wlr_drm_backend *drm = conn->backend;

2
include/backend/drm/drm.h
View file

@ -143,7 +143,7 @@ void restore_drm_outputs(struct wlr_drm_backend *drm);
void scan_drm_connectors(struct wlr_drm_backend *state);
int handle_drm_event(int fd, uint32_t mask, void *data);
void destroy_drm_connector(struct wlr_drm_connector *conn);
bool drm_connector_set_mode(struct wlr_drm_connector *conn,
bool drm_connector_commit_state(struct wlr_drm_connector *conn,
const struct wlr_output_state *state);
bool drm_connector_is_cursor_visible(struct wlr_drm_connector *conn);
bool drm_connector_supports_vrr(struct wlr_drm_connector *conn);