backend/drm: reset gamma table on VT switch
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2beb68007e
commit
e88db9a3fb
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@ -101,6 +101,16 @@ static void session_signal(struct wl_listener *listener, void *data) {
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(plane && plane->cursor_enabled) ? plane->cursor_bo : NULL);
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drm->iface->crtc_move_cursor(drm, conn->crtc, conn->cursor_x,
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conn->cursor_y);
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if (conn->crtc->gamma_table != NULL) {
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size_t size = conn->crtc->gamma_table_size;
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uint16_t *r = conn->crtc->gamma_table;
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uint16_t *g = conn->crtc->gamma_table + size;
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uint16_t *b = conn->crtc->gamma_table + 2 * size;
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drm->iface->crtc_set_gamma(drm, conn->crtc, size, r, g, b);
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} else {
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set_drm_connector_gamma(&conn->output, 0, NULL, NULL, NULL);
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}
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}
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} else {
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wlr_log(WLR_INFO, "DRM fd paused");
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@ -193,6 +193,7 @@ void finish_drm_resources(struct wlr_drm_backend *drm) {
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if (crtc->gamma_lut) {
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drmModeDestroyPropertyBlob(drm->fd, crtc->gamma_lut);
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}
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free(crtc->gamma_table);
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}
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for (size_t i = 0; i < drm->num_planes; ++i) {
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struct wlr_drm_plane *plane = &drm->planes[i];
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@ -270,7 +271,7 @@ static size_t drm_connector_get_gamma_size(struct wlr_output *output) {
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return 0;
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}
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static bool drm_connector_set_gamma(struct wlr_output *output, size_t size,
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bool set_drm_connector_gamma(struct wlr_output *output, size_t size,
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const uint16_t *r, const uint16_t *g, const uint16_t *b) {
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struct wlr_drm_connector *conn = get_drm_connector_from_output(output);
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struct wlr_drm_backend *drm = get_drm_backend_from_backend(output->backend);
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@ -308,8 +309,13 @@ static bool drm_connector_set_gamma(struct wlr_output *output, size_t size,
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bool ok = drm->iface->crtc_set_gamma(drm, conn->crtc, size, _r, _g, _b);
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if (ok) {
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wlr_output_update_needs_swap(output);
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free(conn->crtc->gamma_table);
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conn->crtc->gamma_table = gamma_table;
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conn->crtc->gamma_table_size = size;
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} else {
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free(gamma_table);
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}
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free(gamma_table);
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return ok;
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}
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@ -736,7 +742,7 @@ static const struct wlr_output_impl output_impl = {
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.destroy = drm_connector_destroy,
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.make_current = drm_connector_make_current,
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.swap_buffers = drm_connector_swap_buffers,
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.set_gamma = drm_connector_set_gamma,
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.set_gamma = set_drm_connector_gamma,
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.get_gamma_size = drm_connector_get_gamma_size,
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.export_dmabuf = drm_connector_export_dmabuf,
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};
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@ -771,6 +777,8 @@ static void dealloc_crtc(struct wlr_drm_connector *conn) {
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wlr_log(WLR_DEBUG, "De-allocating CRTC %zu for output '%s'",
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conn->crtc - drm->crtcs, conn->output.name);
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set_drm_connector_gamma(&conn->output, 0, NULL, NULL, NULL);
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for (size_t type = 0; type < 3; ++type) {
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struct wlr_drm_plane *plane = conn->crtc->planes[type];
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if (plane == NULL) {
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@ -57,6 +57,9 @@ struct wlr_drm_crtc {
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union wlr_drm_crtc_props props;
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struct wl_list connectors;
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uint16_t *gamma_table;
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size_t gamma_table_size;
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};
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struct wlr_drm_backend {
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@ -151,5 +154,7 @@ void restore_drm_outputs(struct wlr_drm_backend *drm);
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void scan_drm_connectors(struct wlr_drm_backend *state);
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int handle_drm_event(int fd, uint32_t mask, void *data);
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bool enable_drm_connector(struct wlr_output *output, bool enable);
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bool set_drm_connector_gamma(struct wlr_output *output, size_t size,
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const uint16_t *r, const uint16_t *g, const uint16_t *b);
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#endif
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