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backend/drm: Use output state to set init mode

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This commit is contained in:
Alexander Orzechowski 2023-08-16 12:25:42 -04:00 committed by Simon Ser
parent a34d349963
commit 8f0d4c9332
1 changed files with 53 additions and 47 deletions
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100
backend/drm/drm.c
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@ -1373,8 +1373,59 @@ static bool connect_drm_connector(struct wlr_drm_connector *wlr_conn,
wlr_log(WLR_DEBUG, "Current CRTC: %d",
wlr_conn->crtc ? (int)wlr_conn->crtc->id : -1);
wlr_output_init(output, &drm->backend, &output_impl,
drm->display, NULL);
// keep track of all the modes ourselves first. We must only fill out
// the modes list after wlr_output_init()
struct wl_list modes;
wl_list_init(&modes);
struct wlr_output_state state;
wlr_output_state_init(&state);
wlr_output_state_set_enabled(&state, wlr_conn->crtc != NULL);
drmModeModeInfo *current_modeinfo = connector_get_current_mode(wlr_conn);
wlr_log(WLR_INFO, "Detected modes:");
for (int i = 0; i < drm_conn->count_modes; ++i) {
if (drm_conn->modes[i].flags & DRM_MODE_FLAG_INTERLACE) {
continue;
}
struct wlr_drm_mode *mode = drm_mode_create(&drm_conn->modes[i]);
if (!mode) {
wlr_log_errno(WLR_ERROR, "Allocation failed");
wlr_output_state_finish(&state);
return false;
}
// If this is the current mode set on the conn's crtc,
// then set it as the conn's output current mode.
if (current_modeinfo != NULL && memcmp(&mode->drm_mode,
current_modeinfo, sizeof(*current_modeinfo)) == 0) {
wlr_output_state_set_mode(&state, &mode->wlr_mode);
uint64_t mode_id = 0;
get_drm_prop(drm->fd, wlr_conn->crtc->id,
wlr_conn->crtc->props.mode_id, &mode_id);
wlr_conn->crtc->mode_id = mode_id;
}
wlr_log(WLR_INFO, " %"PRId32"x%"PRId32" @ %.3f Hz %s",
mode->wlr_mode.width, mode->wlr_mode.height,
(float)mode->wlr_mode.refresh / 1000,
mode->wlr_mode.preferred ? "(preferred)" : "");
wl_list_insert(modes.prev, &mode->wlr_mode.link);
}
free(current_modeinfo);
wlr_output_init(output, &drm->backend, &output_impl, drm->display, &state);
wlr_output_state_finish(&state);
// fill out the modes
wl_list_insert_list(&output->modes, &modes);
wlr_output_set_name(output, wlr_conn->name);
@ -1436,51 +1487,6 @@ static bool connect_drm_connector(struct wlr_drm_connector *wlr_conn,
wlr_output_set_description(output, description);
free(subconnector);
// Before iterating on the conn's modes, get the current KMS mode
// in use from the connector's CRTC.
drmModeModeInfo *current_modeinfo = connector_get_current_mode(wlr_conn);
wlr_log(WLR_INFO, "Detected modes:");
for (int i = 0; i < drm_conn->count_modes; ++i) {
if (drm_conn->modes[i].flags & DRM_MODE_FLAG_INTERLACE) {
continue;
}
struct wlr_drm_mode *mode = drm_mode_create(&drm_conn->modes[i]);
if (!mode) {
wlr_log_errno(WLR_ERROR, "Allocation failed");
return false;
}
// If this is the current mode set on the conn's crtc,
// then set it as the conn's output current mode.
if (current_modeinfo != NULL && memcmp(&mode->drm_mode,
current_modeinfo, sizeof(*current_modeinfo)) == 0) {
// Update width, height, refresh, transform_matrix and current_mode
// of this connector's output.
wlr_output_update_mode(output, &mode->wlr_mode);
uint64_t mode_id = 0;
get_drm_prop(drm->fd, wlr_conn->crtc->id,
wlr_conn->crtc->props.mode_id, &mode_id);
wlr_conn->crtc->mode_id = mode_id;
}
wlr_log(WLR_INFO, " %"PRId32"x%"PRId32" @ %.3f Hz %s",
mode->wlr_mode.width, mode->wlr_mode.height,
(float)mode->wlr_mode.refresh / 1000,
mode->wlr_mode.preferred ? "(preferred)" : "");
wl_list_insert(output->modes.prev, &mode->wlr_mode.link);
}
free(current_modeinfo);
wlr_output_update_enabled(&wlr_conn->output, wlr_conn->crtc != NULL);
wlr_conn->status = DRM_MODE_CONNECTED;
return true;
}