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config/output: skip no-op preferred mode change

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This commit is contained in:
Simon Ser 2023-11-15 18:18:15 +01:00
parent d4de4cbe57
commit 5b72fccb67
1 changed files with 29 additions and 20 deletions
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49
sway/config/output.c
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@ -303,6 +303,34 @@ static void set_modeline(struct wlr_output *output,
#endif
}
static void set_preferred_mode(struct wlr_output *wlr_output,
struct wlr_output_state *pending) {
struct wlr_output_mode *preferred_mode =
wlr_output_preferred_mode(wlr_output);
if (wlr_output->current_mode == preferred_mode) {
return;
}
sway_log(SWAY_DEBUG, "Set %s preferred mode", wlr_output->name);
wlr_output_state_set_mode(pending, preferred_mode);
if (!wlr_output_test_state(wlr_output, pending)) {
sway_log(SWAY_DEBUG, "Preferred mode rejected, "
"falling back to another mode");
struct wlr_output_mode *mode;
wl_list_for_each(mode, &wlr_output->modes, link) {
if (mode == preferred_mode) {
continue;
}
wlr_output_state_set_mode(pending, mode);
if (wlr_output_test_state(wlr_output, pending)) {
break;
}
}
}
}
/* Some manufacturers hardcode the aspect-ratio of the output in the physical
* size field. */
static bool phys_size_is_aspect_ratio(struct wlr_output *output) {
@ -415,26 +443,7 @@ static void queue_output_config(struct output_config *oc,
set_mode(wlr_output, pending, oc->width, oc->height,
oc->refresh_rate, oc->custom_mode == 1);
} else if (!wl_list_empty(&wlr_output->modes)) {
sway_log(SWAY_DEBUG, "Set preferred mode");
struct wlr_output_mode *preferred_mode =
wlr_output_preferred_mode(wlr_output);
wlr_output_state_set_mode(pending, preferred_mode);
if (!wlr_output_test_state(wlr_output, pending)) {
sway_log(SWAY_DEBUG, "Preferred mode rejected, "
"falling back to another mode");
struct wlr_output_mode *mode;
wl_list_for_each(mode, &wlr_output->modes, link) {
if (mode == preferred_mode) {
continue;
}
wlr_output_state_set_mode(pending, mode);
if (wlr_output_test_state(wlr_output, pending)) {
break;
}
}
}
set_preferred_mode(wlr_output, pending);
}
if (oc && (oc->subpixel != WL_OUTPUT_SUBPIXEL_UNKNOWN || config->reloading)) {