mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-04 20:55:58 +01:00
Reinitialize only changed DRM outputs after setting mode on one
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parent
ecb2a2b0d3
commit
3c31209a97
1 changed files with 17 additions and 6 deletions
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@ -259,7 +259,8 @@ static void wlr_drm_connector_enable(struct wlr_output *output, bool enable) {
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}
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}
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static void realloc_planes(struct wlr_drm_backend *drm, const uint32_t *crtc_in) {
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static void realloc_planes(struct wlr_drm_backend *drm, const uint32_t *crtc_in,
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bool *changed_outputs) {
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// overlay, primary, cursor
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for (int type = 0; type < 3; ++type) {
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if (drm->num_type_planes[type] == 0) {
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@ -298,6 +299,7 @@ static void realloc_planes(struct wlr_drm_backend *drm, const uint32_t *crtc_in)
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struct wlr_drm_plane *new = &drm->type_planes[type][crtc_res[i]];
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if (*old != new) {
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changed_outputs[crtc_res[i]] = true;
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if (*old) {
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wlr_drm_surface_finish(&(*old)->surf);
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}
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@ -308,7 +310,8 @@ static void realloc_planes(struct wlr_drm_backend *drm, const uint32_t *crtc_in)
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}
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}
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static void realloc_crtcs(struct wlr_drm_backend *drm, struct wlr_drm_connector *conn) {
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static void realloc_crtcs(struct wlr_drm_backend *drm,
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struct wlr_drm_connector *conn, bool *changed_outputs) {
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uint32_t crtc[drm->num_crtcs];
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uint32_t crtc_res[drm->num_crtcs];
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uint32_t possible_crtc[wl_list_length(&drm->outputs)];
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@ -356,12 +359,15 @@ static void realloc_crtcs(struct wlr_drm_backend *drm, struct wlr_drm_connector
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return;
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}
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changed_outputs[index] = true;
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for (size_t i = 0; i < drm->num_crtcs; ++i) {
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if (crtc_res[i] == UNMATCHED) {
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continue;
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}
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if (crtc_res[i] != crtc[i]) {
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changed_outputs[crtc_res[i]] = true;
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struct wlr_drm_connector *c;
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size_t pos = 0;
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wl_list_for_each(c, &drm->outputs, link) {
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@ -374,7 +380,7 @@ static void realloc_crtcs(struct wlr_drm_backend *drm, struct wlr_drm_connector
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}
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}
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realloc_planes(drm, crtc_res);
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realloc_planes(drm, crtc_res, changed_outputs);
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}
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static uint32_t get_possible_crtcs(int fd, uint32_t conn_id) {
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@ -413,6 +419,7 @@ static bool wlr_drm_connector_set_mode(struct wlr_output *output,
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struct wlr_output_mode *mode) {
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struct wlr_drm_connector *conn = (struct wlr_drm_connector *)output;
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struct wlr_drm_backend *drm = (struct wlr_drm_backend *)output->backend;
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bool changed_outputs[wl_list_length(&drm->outputs)];
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wlr_log(L_INFO, "Modesetting '%s' with '%ux%u@%u mHz'", conn->output.name,
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mode->width, mode->height, mode->refresh);
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@ -422,7 +429,8 @@ static bool wlr_drm_connector_set_mode(struct wlr_output *output,
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goto error_conn;
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}
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realloc_crtcs(drm, conn);
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memset(changed_outputs, false, sizeof(changed_outputs));
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realloc_crtcs(drm, conn, changed_outputs);
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if (!conn->crtc) {
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wlr_log(L_ERROR, "Unable to match %s with a CRTC", conn->output.name);
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@ -445,12 +453,15 @@ static bool wlr_drm_connector_set_mode(struct wlr_output *output,
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}
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// Since realloc_crtcs can deallocate planes on OTHER outputs,
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// we actually need to reinitalise all of them
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// we actually need to reinitalise any than has changed
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ssize_t output_index = -1;
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wl_list_for_each(conn, &drm->outputs, link) {
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output_index += 1;
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struct wlr_output_mode *mode = conn->output.current_mode;
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struct wlr_drm_crtc *crtc = conn->crtc;
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if (conn->state != WLR_DRM_CONN_CONNECTED) {
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if (conn->state != WLR_DRM_CONN_CONNECTED ||
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!changed_outputs[output_index]) {
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continue;
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}
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