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backend/drm: save current refresh rate

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wlr_output.refresh is populated by core wlr_output, and thus will
be zero for a custom mode with an unset refresh rate.

Save the refresh rate from the drmModeModeInfo in wlr_drm_connector
instead.

Closes: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/3791
This commit is contained in:
Simon Ser 2023-12-30 20:06:33 +01:00
parent ab924064f2
commit f81c3d93cd
2 changed files with 8 additions and 1 deletions
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7
backend/drm/drm.c
View File

@ -475,6 +475,10 @@ static bool drm_crtc_commit(struct wlr_drm_connector *conn,
}
drm_connector_set_pending_page_flip(conn, page_flip);
if (state->base->committed & WLR_OUTPUT_STATE_MODE) {
conn->refresh = calculate_refresh_rate(&state->mode);
}
} else {
// The set_cursor() hook is a bit special: it's not really synchronized
// to commit() or test(). Once set_cursor() returns true, the new
@ -1466,6 +1470,7 @@ static bool connect_drm_connector(struct wlr_drm_connector *wlr_conn,
wlr_conn->crtc->props.mode_id, &mode_id);
wlr_conn->crtc->mode_id = mode_id;
wlr_conn->refresh = calculate_refresh_rate(current_modeinfo);
}
wlr_log(WLR_INFO, " %"PRId32"x%"PRId32" @ %.3f Hz %s",
@ -1765,7 +1770,7 @@ static void handle_page_flip(int fd, unsigned seq,
.presented = drm->session->active,
.when = &present_time,
.seq = seq,
.refresh = mhz_to_nsec(conn->output.refresh),
.refresh = mhz_to_nsec(conn->refresh),
.flags = present_flags,
};
wlr_output_send_present(&conn->output, &present_event);

2
include/backend/drm/drm.h
View File

@ -175,6 +175,8 @@ struct wlr_drm_connector {
// Last committed page-flip
struct wlr_drm_page_flip *pending_page_flip;
int32_t refresh;
};
struct wlr_drm_backend *get_drm_backend_from_backend(