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-rw-r--r--backend/drm/backend.c16
-rw-r--r--backend/drm/drm.c83
-rw-r--r--include/backend/drm/drm.h5
3 files changed, 49 insertions, 55 deletions
diff --git a/backend/drm/backend.c b/backend/drm/backend.c
index d7e2e616..33f8eaf9 100644
--- a/backend/drm/backend.c
+++ b/backend/drm/backend.c
@@ -29,8 +29,8 @@ static void wlr_drm_backend_destroy(struct wlr_backend *backend) {
wlr_drm_restore_outputs(drm);
- for (size_t i = 0; drm->outputs && i < drm->outputs->length; ++i) {
- struct wlr_drm_connector *conn = drm->outputs->items[i];
+ struct wlr_drm_connector *conn;
+ wl_list_for_each(conn, &drm->outputs, link) {
wlr_output_destroy(&conn->output);
}
@@ -38,7 +38,6 @@ static void wlr_drm_backend_destroy(struct wlr_backend *backend) {
wlr_drm_renderer_finish(&drm->renderer);
wlr_session_close_file(drm->session, drm->fd);
wl_event_source_remove(drm->drm_event);
- list_free(drm->outputs);
free(drm);
}
@@ -64,8 +63,8 @@ static void session_signal(struct wl_listener *listener, void *data) {
if (session->active) {
wlr_log(L_INFO, "DRM fd resumed");
- for (size_t i = 0; i < drm->outputs->length; ++i) {
- struct wlr_drm_connector *conn = drm->outputs->items[i];
+ struct wlr_drm_connector *conn;
+ wl_list_for_each(conn, &drm->outputs, link){
wlr_drm_connector_start_renderer(conn);
if (!conn->crtc) {
@@ -110,11 +109,7 @@ struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
wlr_backend_init(&drm->backend, &backend_impl);
drm->session = session;
- drm->outputs = list_create();
- if (!drm->outputs) {
- wlr_log(L_ERROR, "Failed to allocate list");
- goto error_backend;
- }
+ wl_list_init(&drm->outputs);
drm->fd = gpu_fd;
drm->parent = (struct wlr_drm_backend *)parent;
@@ -158,7 +153,6 @@ error_event:
wl_event_source_remove(drm->drm_event);
error_fd:
wlr_session_close_file(drm->session, drm->fd);
- list_free(drm->outputs);
error_backend:
free(drm);
return NULL;
diff --git a/backend/drm/drm.c b/backend/drm/drm.c
index ff4dc7f6..74a63f79 100644
--- a/backend/drm/drm.c
+++ b/backend/drm/drm.c
@@ -313,7 +313,7 @@ static void realloc_planes(struct wlr_drm_backend *drm, const uint32_t *crtc_in)
static void realloc_crtcs(struct wlr_drm_backend *drm, struct wlr_drm_connector *conn) {
uint32_t crtc[drm->num_crtcs];
uint32_t crtc_res[drm->num_crtcs];
- uint32_t possible_crtc[drm->outputs->length];
+ uint32_t possible_crtc[wl_list_length(&drm->outputs)];
for (size_t i = 0; i < drm->num_crtcs; ++i) {
crtc[i] = UNMATCHED;
@@ -321,9 +321,9 @@ static void realloc_crtcs(struct wlr_drm_backend *drm, struct wlr_drm_connector
memset(possible_crtc, 0, sizeof(possible_crtc));
- ssize_t index = -1;
- for (size_t i = 0; i < drm->outputs->length; ++i) {
- struct wlr_drm_connector *c = drm->outputs->items[i];
+ ssize_t index = -1, i = 0;
+ struct wlr_drm_connector *c;
+ wl_list_for_each(c, &drm->outputs, link) {
if (c == conn) {
index = i;
}
@@ -334,11 +334,12 @@ static void realloc_crtcs(struct wlr_drm_backend *drm, struct wlr_drm_connector
possible_crtc[i] = c->possible_crtc;
crtc[c->crtc - drm->crtcs] = i;
+ i++;
}
assert(index != -1);
possible_crtc[index] = conn->possible_crtc;
- match_obj(drm->outputs->length, possible_crtc, drm->num_crtcs,
+ match_obj(wl_list_length(&drm->outputs), possible_crtc, drm->num_crtcs,
crtc, crtc_res);
bool matched = false;
@@ -363,7 +364,14 @@ static void realloc_crtcs(struct wlr_drm_backend *drm, struct wlr_drm_connector
}
if (crtc_res[i] != crtc[i]) {
- struct wlr_drm_connector *c = drm->outputs->items[crtc_res[i]];
+ struct wlr_drm_connector *c;
+ size_t pos = 0;
+ wl_list_for_each(c, &drm->outputs, link) {
+ if (pos == crtc_res[i]) {
+ break;
+ }
+ pos++;
+ }
c->crtc = &drm->crtcs[i];
}
}
@@ -438,8 +446,7 @@ static bool wlr_drm_connector_set_mode(struct wlr_output *output,
// Since realloc_crtcs can deallocate planes on OTHER outputs,
// we actually need to reinitalise all of them
- for (size_t i = 0; i < drm->outputs->length; ++i) {
- struct wlr_drm_connector *conn = drm->outputs->items[i];
+ wl_list_for_each(conn, &drm->outputs, link) {
struct wlr_output_mode *mode = conn->output.current_mode;
struct wlr_drm_crtc *crtc = conn->crtc;
@@ -667,13 +674,6 @@ static int retry_pageflip(void *data) {
return 0;
}
-static int find_id(const void *item, const void *cmp_to) {
- const struct wlr_drm_connector *conn = item;
- const uint32_t *id = cmp_to;
-
- return (int)conn->id - (int)*id;
-}
-
static const int32_t subpixel_map[] = {
[DRM_MODE_SUBPIXEL_UNKNOWN] = WL_OUTPUT_SUBPIXEL_UNKNOWN,
[DRM_MODE_SUBPIXEL_HORIZONTAL_RGB] = WL_OUTPUT_SUBPIXEL_HORIZONTAL_RGB,
@@ -692,7 +692,7 @@ void wlr_drm_scan_connectors(struct wlr_drm_backend *drm) {
return;
}
- size_t seen_len = drm->outputs->length;
+ size_t seen_len = wl_list_length(&drm->outputs);
// +1 so it can never be 0
bool seen[seen_len + 1];
memset(seen, 0, sizeof(seen));
@@ -704,11 +704,16 @@ void wlr_drm_scan_connectors(struct wlr_drm_backend *drm) {
wlr_log_errno(L_ERROR, "Failed to get DRM connector");
continue;
}
-
- struct wlr_drm_connector *wlr_conn;
- int index = list_seq_find(drm->outputs, find_id, &drm_conn->connector_id);
-
- if (index == -1) {
+ int index = 0;
+ struct wlr_drm_connector *c, *wlr_conn = NULL;
+ wl_list_for_each(c, &drm->outputs, link) {
+ index++;
+ if (c->id == drm_conn->connector_id) {
+ wlr_conn = c;
+ break;
+ }
+ }
+ if (!wlr_conn) {
wlr_conn = calloc(1, sizeof(*wlr_conn));
if (!wlr_conn) {
wlr_log_errno(L_ERROR, "Allocation failed");
@@ -749,17 +754,10 @@ void wlr_drm_scan_connectors(struct wlr_drm_backend *drm) {
parse_edid(&wlr_conn->output, edid_len, edid);
free(edid);
- if (list_add(drm->outputs, wlr_conn) == -1) {
- wlr_log_errno(L_ERROR, "Allocation failed");
- drmModeFreeConnector(drm_conn);
- wl_event_source_remove(wlr_conn->retry_pageflip);
- free(wlr_conn);
- continue;
- }
+ wl_list_insert(&drm->outputs, &wlr_conn->link);
wlr_output_create_global(&wlr_conn->output, drm->display);
wlr_log(L_INFO, "Found display '%s'", wlr_conn->output.name);
} else {
- wlr_conn = drm->outputs->items[index];
seen[index] = true;
}
@@ -807,12 +805,14 @@ void wlr_drm_scan_connectors(struct wlr_drm_backend *drm) {
drmModeFreeResources(res);
- for (size_t i = seen_len; i-- > 0;) {
- if (seen[i]) {
+ struct wlr_drm_connector *conn, *tmp_conn;
+ size_t index = seen_len - 1;
+ wl_list_for_each_safe(conn, tmp_conn, &drm->outputs, link) {
+ if (seen[index]) {
+ index--;
continue;
}
-
- struct wlr_drm_connector *conn = drm->outputs->items[i];
+ index--;
wlr_log(L_INFO, "'%s' disappeared", conn->output.name);
wlr_drm_connector_cleanup(conn);
@@ -820,8 +820,6 @@ void wlr_drm_scan_connectors(struct wlr_drm_backend *drm) {
drmModeFreeCrtc(conn->old_crtc);
wl_event_source_remove(conn->retry_pageflip);
free(conn);
-
- list_del(drm->outputs, i);
}
}
@@ -856,10 +854,10 @@ int wlr_drm_event(int fd, uint32_t mask, void *data) {
}
void wlr_drm_restore_outputs(struct wlr_drm_backend *drm) {
- uint64_t to_close = (1 << drm->outputs->length) - 1;
+ uint64_t to_close = (1 << wl_list_length(&drm->outputs)) - 1;
- for (size_t i = 0; i < drm->outputs->length; ++i) {
- struct wlr_drm_connector *conn = drm->outputs->items[i];
+ struct wlr_drm_connector *conn;
+ wl_list_for_each(conn, &drm->outputs, link) {
if (conn->state == WLR_DRM_CONN_CONNECTED) {
conn->state = WLR_DRM_CONN_CLEANUP;
}
@@ -869,11 +867,13 @@ void wlr_drm_restore_outputs(struct wlr_drm_backend *drm) {
while (to_close && time(NULL) < timeout) {
wlr_drm_event(drm->fd, 0, NULL);
- for (size_t i = 0; i < drm->outputs->length; ++i) {
- struct wlr_drm_connector *conn = drm->outputs->items[i];
+ size_t i = 0;
+ struct wlr_drm_connector *conn;
+ wl_list_for_each(conn, &drm->outputs, link) {
if (conn->state != WLR_DRM_CONN_CLEANUP || !conn->pageflip_pending) {
to_close &= ~(1 << i);
}
+ i++;
}
}
@@ -881,8 +881,7 @@ void wlr_drm_restore_outputs(struct wlr_drm_backend *drm) {
wlr_log(L_ERROR, "Timed out stopping output renderers");
}
- for (size_t i = 0; i < drm->outputs->length; ++i) {
- struct wlr_drm_connector *conn = drm->outputs->items[i];
+ wl_list_for_each(conn, &drm->outputs, link) {
drmModeCrtc *crtc = conn->old_crtc;
if (!crtc) {
continue;
diff --git a/include/backend/drm/drm.h b/include/backend/drm/drm.h
index 6106a85a..0f19c01e 100644
--- a/include/backend/drm/drm.h
+++ b/include/backend/drm/drm.h
@@ -8,12 +8,12 @@
#include <xf86drmMode.h>
#include <EGL/egl.h>
#include <gbm.h>
+#include <wayland-util.h>
#include <wlr/backend/session.h>
#include <wlr/backend/drm.h>
#include <wlr/types/wlr_output.h>
#include <wlr/egl.h>
-#include <wlr/util/list.h>
#include "iface.h"
#include "properties.h"
@@ -93,7 +93,7 @@ struct wlr_drm_backend {
struct wl_listener session_signal;
struct wl_listener drm_invalidated;
- list_t *outputs;
+ struct wl_list outputs;
struct wlr_drm_renderer renderer;
struct wlr_session *session;
@@ -130,6 +130,7 @@ struct wlr_drm_connector {
bool pageflip_pending;
struct wl_event_source *retry_pageflip;
+ struct wl_list link;
};
bool wlr_drm_check_features(struct wlr_drm_backend *drm);
generated by cgit v1.2.3 (git 2.39.1) at 2025-11-04 02:09:12 +0000