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backend/drm: remove enable_drm_connector

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Merge enable_drm_connector into drm_connector_set_mode. This allows us
to de-duplicate logic since enabling an output performs a modeset.
This commit is contained in:
Simon Ser 2020-05-18 12:16:30 +02:00 committed by Drew DeVault
parent c02e9c2bb1
commit 445750aa9a
3 changed files with 43 additions and 51 deletions
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2
backend/drm/backend.c
View file

@ -97,7 +97,7 @@ static void session_signal(struct wl_listener *listener, void *data) {
drm_connector_set_mode(&conn->output,
conn->output.current_mode);
} else {
enable_drm_connector(&conn->output, false);
drm_connector_set_mode(&conn->output, NULL);
}
}
} else {

85
backend/drm/drm.c
View file

@ -546,16 +546,25 @@ static bool drm_connector_commit(struct wlr_output *output) {
return false;
}
if (output->pending.committed &
(WLR_OUTPUT_STATE_MODE | WLR_OUTPUT_STATE_ENABLED)) {
struct wlr_output_mode *wlr_mode = output->current_mode;
bool enable = (output->pending.committed & WLR_OUTPUT_STATE_ENABLED) ?
output->pending.enabled : output->enabled;
if (!enable) {
wlr_mode = NULL;
}
if (output->pending.committed & WLR_OUTPUT_STATE_MODE) {
struct wlr_output_mode *wlr_mode = drm_connector_get_pending_mode(conn);
assert(enable);
wlr_mode = drm_connector_get_pending_mode(conn);
if (wlr_mode == NULL) {
return false;
}
if (!drm_connector_set_mode(output, wlr_mode)) {
return false;
}
} else if (output->pending.committed & WLR_OUTPUT_STATE_ENABLED) {
if (!enable_drm_connector(output, output->pending.enabled)) {
if (!drm_connector_set_mode(output, wlr_mode)) {
return false;
}
}
@ -766,50 +775,36 @@ static void attempt_enable_needs_modeset(struct wlr_drm_backend *drm) {
}
}
bool enable_drm_connector(struct wlr_output *output, bool enable) {
struct wlr_drm_connector *conn = get_drm_connector_from_output(output);
struct wlr_drm_backend *drm = get_drm_backend_from_backend(output->backend);
if (conn->state != WLR_DRM_CONN_CONNECTED
&& conn->state != WLR_DRM_CONN_NEEDS_MODESET) {
return false;
}
conn->desired_enabled = enable;
if (enable && conn->crtc == NULL) {
// Maybe we can steal a CRTC from a disabled output
realloc_crtcs(drm);
}
if (conn->crtc == NULL) {
wlr_output_update_enabled(&conn->output, false);
return !enable;
}
conn->crtc->active = enable;
conn->crtc->pending |= WLR_DRM_CRTC_MODE;
if (!drm_crtc_commit(conn, 0)) {
return false;
}
if (enable) {
drm_connector_start_renderer(conn);
} else {
realloc_crtcs(drm);
attempt_enable_needs_modeset(drm);
}
wlr_output_update_enabled(&conn->output, enable);
return true;
}
static void drm_connector_cleanup(struct wlr_drm_connector *conn);
bool drm_connector_set_mode(struct wlr_output *output,
struct wlr_output_mode *wlr_mode) {
struct wlr_drm_connector *conn = get_drm_connector_from_output(output);
struct wlr_drm_backend *drm = get_drm_backend_from_backend(output->backend);
conn->desired_enabled = wlr_mode != NULL;
conn->desired_mode = wlr_mode;
if (wlr_mode == NULL) {
if (conn->crtc != NULL) {
conn->crtc->active = false;
conn->crtc->pending |= WLR_DRM_CRTC_MODE;
if (!drm_crtc_commit(conn, 0)) {
return false;
}
realloc_crtcs(drm);
attempt_enable_needs_modeset(drm);
}
wlr_output_update_enabled(&conn->output, false);
return true;
}
if (conn->state != WLR_DRM_CONN_CONNECTED
&& conn->state != WLR_DRM_CONN_NEEDS_MODESET) {
wlr_log(WLR_ERROR, "Cannot modeset a disconnected output");
return false;
}
if (conn->crtc == NULL) {
// Maybe we can steal a CRTC from a disabled output
realloc_crtcs(drm);
@ -817,8 +812,6 @@ bool drm_connector_set_mode(struct wlr_output *output,
if (conn->crtc == NULL) {
wlr_log(WLR_ERROR, "Cannot modeset '%s': no CRTC for this connector",
conn->output.name);
// Save the desired mode for later, when we'll get a proper CRTC
conn->desired_mode = wlr_mode;
return false;
}
@ -1068,7 +1061,7 @@ static void dealloc_crtc(struct wlr_drm_connector *conn) {
wlr_log(WLR_DEBUG, "De-allocating CRTC %zu for output '%s'",
conn->crtc - drm->crtcs, conn->output.name);
enable_drm_connector(&conn->output, false);
drm_connector_set_mode(&conn->output, NULL);
drm_plane_finish_surface(conn->crtc->primary);
drm_plane_finish_surface(conn->crtc->cursor);
if (conn->crtc->cursor != NULL) {

1
include/backend/drm/drm.h
View file

@ -151,7 +151,6 @@ void finish_drm_resources(struct wlr_drm_backend *drm);
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);
bool enable_drm_connector(struct wlr_output *output, bool enable);
bool drm_connector_set_mode(struct wlr_output *output,
struct wlr_output_mode *mode);
size_t drm_crtc_get_gamma_lut_size(struct wlr_drm_backend *drm,