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Set crtc field when scanning for DRM connectors

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and always use it when matching CRTCs with connectors.
Fix deactivated monitors check.
This commit is contained in:
Versus Void 2017-10-22 21:38:30 +00:00
parent 3c31209a97
commit 549777ca19
1 changed files with 39 additions and 18 deletions
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57
backend/drm/drm.c
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@ -314,7 +314,8 @@ static void realloc_crtcs(struct wlr_drm_backend *drm,
struct wlr_drm_connector *conn, bool *changed_outputs) { struct wlr_drm_connector *conn, bool *changed_outputs) {
uint32_t crtc[drm->num_crtcs]; uint32_t crtc[drm->num_crtcs];
uint32_t crtc_res[drm->num_crtcs]; uint32_t crtc_res[drm->num_crtcs];
uint32_t possible_crtc[wl_list_length(&drm->outputs)]; ssize_t num_outputs = wl_list_length(&drm->outputs);
uint32_t possible_crtc[num_outputs];
for (size_t i = 0; i < drm->num_crtcs; ++i) { for (size_t i = 0; i < drm->num_crtcs; ++i) {
crtc[i] = UNMATCHED; crtc[i] = UNMATCHED;
@ -330,35 +331,41 @@ static void realloc_crtcs(struct wlr_drm_backend *drm,
index = i; index = i;
} }
if (c->state != WLR_DRM_CONN_CONNECTED) { if (c->crtc) {
continue; crtc[c->crtc - drm->crtcs] = i;
}
if (c->state == WLR_DRM_CONN_CONNECTED) {
possible_crtc[i] = c->possible_crtc;
} }
possible_crtc[i] = c->possible_crtc;
crtc[c->crtc - drm->crtcs] = i;
} }
assert(index != -1); assert(index != -1);
possible_crtc[index] = conn->possible_crtc; possible_crtc[index] = conn->possible_crtc;
match_obj(wl_list_length(&drm->outputs), possible_crtc, drm->num_crtcs, match_obj(wl_list_length(&drm->outputs), possible_crtc,
crtc, crtc_res); drm->num_crtcs, crtc, crtc_res);
bool matched = false; bool matched[num_outputs];
memset(matched, false, sizeof(matched));
for (size_t i = 0; i < drm->num_crtcs; ++i) { for (size_t i = 0; i < drm->num_crtcs; ++i) {
// We don't want any of the current monitors to be deactivated. if (crtc_res[i] != UNMATCHED) {
if (crtc[i] != UNMATCHED && crtc_res[i] == UNMATCHED) { matched[crtc_res[i]] = true;
return;
}
if (crtc_res[i] == index) {
matched = true;
} }
} }
// There is no point doing anything if this monitor doesn't get activated // There is no point doing anything if this monitor doesn't get activated
if (!matched) { if (!matched[index]) {
return; return;
} }
for (size_t i = 0; i < drm->num_crtcs; ++i) {
// We don't want any of the current monitors to be deactivated.
if (crtc[i] != UNMATCHED && !matched[crtc[i]]) {
return;
}
}
changed_outputs[index] = true; changed_outputs[index] = true;
for (size_t i = 0; i < drm->num_crtcs; ++i) { for (size_t i = 0; i < drm->num_crtcs; ++i) {
@ -711,6 +718,9 @@ void wlr_drm_scan_connectors(struct wlr_drm_backend *drm) {
wlr_log_errno(L_ERROR, "Failed to get DRM connector"); wlr_log_errno(L_ERROR, "Failed to get DRM connector");
continue; continue;
} }
drmModeEncoder *curr_enc = drmModeGetEncoder(drm->fd,
drm_conn->encoder_id);
int index = -1; int index = -1;
struct wlr_drm_connector *c, *wlr_conn = NULL; struct wlr_drm_connector *c, *wlr_conn = NULL;
wl_list_for_each(c, &drm->outputs, link) { wl_list_for_each(c, &drm->outputs, link) {
@ -720,10 +730,12 @@ void wlr_drm_scan_connectors(struct wlr_drm_backend *drm) {
break; break;
} }
} }
if (!wlr_conn) { if (!wlr_conn) {
wlr_conn = calloc(1, sizeof(*wlr_conn)); wlr_conn = calloc(1, sizeof(*wlr_conn));
if (!wlr_conn) { if (!wlr_conn) {
wlr_log_errno(L_ERROR, "Allocation failed"); wlr_log_errno(L_ERROR, "Allocation failed");
drmModeFreeEncoder(curr_enc);
drmModeFreeConnector(drm_conn); drmModeFreeConnector(drm_conn);
continue; continue;
} }
@ -737,11 +749,8 @@ void wlr_drm_scan_connectors(struct wlr_drm_backend *drm) {
wlr_conn->state = WLR_DRM_CONN_DISCONNECTED; wlr_conn->state = WLR_DRM_CONN_DISCONNECTED;
wlr_conn->id = drm_conn->connector_id; wlr_conn->id = drm_conn->connector_id;
drmModeEncoder *curr_enc = drmModeGetEncoder(drm->fd,
drm_conn->encoder_id);
if (curr_enc) { if (curr_enc) {
wlr_conn->old_crtc = drmModeGetCrtc(drm->fd, curr_enc->crtc_id); wlr_conn->old_crtc = drmModeGetCrtc(drm->fd, curr_enc->crtc_id);
drmModeFreeEncoder(curr_enc);
} }
wlr_conn->output.phys_width = drm_conn->mmWidth; wlr_conn->output.phys_width = drm_conn->mmWidth;
@ -767,6 +776,17 @@ void wlr_drm_scan_connectors(struct wlr_drm_backend *drm) {
seen[index] = true; seen[index] = true;
} }
if (curr_enc) {
for (size_t i = 0; i < drm->num_crtcs; ++i) {
if (drm->crtcs[i].id == curr_enc->crtc_id) {
wlr_conn->crtc = &drm->crtcs[i];
break;
}
}
} else {
wlr_conn->crtc = NULL;
}
if (wlr_conn->state == WLR_DRM_CONN_DISCONNECTED && if (wlr_conn->state == WLR_DRM_CONN_DISCONNECTED &&
drm_conn->connection == DRM_MODE_CONNECTED) { drm_conn->connection == DRM_MODE_CONNECTED) {
@ -802,6 +822,7 @@ void wlr_drm_scan_connectors(struct wlr_drm_backend *drm) {
wlr_drm_connector_cleanup(wlr_conn); wlr_drm_connector_cleanup(wlr_conn);
} }
drmModeFreeEncoder(curr_enc);
drmModeFreeConnector(drm_conn); drmModeFreeConnector(drm_conn);
} }