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backend/drm: reset gamma table on VT switch

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This commit is contained in:
emersion 2018-10-03 10:53:35 +02:00
parent 2beb68007e
commit e88db9a3fb
3 changed files with 26 additions and 3 deletions
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10
backend/drm/backend.c
View file

@ -101,6 +101,16 @@ static void session_signal(struct wl_listener *listener, void *data) {
(plane && plane->cursor_enabled) ? plane->cursor_bo : NULL);
drm->iface->crtc_move_cursor(drm, conn->crtc, conn->cursor_x,
conn->cursor_y);
if (conn->crtc->gamma_table != NULL) {
size_t size = conn->crtc->gamma_table_size;
uint16_t *r = conn->crtc->gamma_table;
uint16_t *g = conn->crtc->gamma_table + size;
uint16_t *b = conn->crtc->gamma_table + 2 * size;
drm->iface->crtc_set_gamma(drm, conn->crtc, size, r, g, b);
} else {
set_drm_connector_gamma(&conn->output, 0, NULL, NULL, NULL);
}
}
} else {
wlr_log(WLR_INFO, "DRM fd paused");

14
backend/drm/drm.c
View file

@ -193,6 +193,7 @@ void finish_drm_resources(struct wlr_drm_backend *drm) {
if (crtc->gamma_lut) {
drmModeDestroyPropertyBlob(drm->fd, crtc->gamma_lut);
}
free(crtc->gamma_table);
}
for (size_t i = 0; i < drm->num_planes; ++i) {
struct wlr_drm_plane *plane = &drm->planes[i];
@ -270,7 +271,7 @@ static size_t drm_connector_get_gamma_size(struct wlr_output *output) {
return 0;
}
static bool drm_connector_set_gamma(struct wlr_output *output, size_t size,
bool set_drm_connector_gamma(struct wlr_output *output, size_t size,
const uint16_t *r, const uint16_t *g, const uint16_t *b) {
struct wlr_drm_connector *conn = get_drm_connector_from_output(output);
struct wlr_drm_backend *drm = get_drm_backend_from_backend(output->backend);
@ -308,8 +309,13 @@ static bool drm_connector_set_gamma(struct wlr_output *output, size_t size,
bool ok = drm->iface->crtc_set_gamma(drm, conn->crtc, size, _r, _g, _b);
if (ok) {
wlr_output_update_needs_swap(output);
free(conn->crtc->gamma_table);
conn->crtc->gamma_table = gamma_table;
conn->crtc->gamma_table_size = size;
} else {
free(gamma_table);
}
free(gamma_table);
return ok;
}
@ -736,7 +742,7 @@ static const struct wlr_output_impl output_impl = {
.destroy = drm_connector_destroy,
.make_current = drm_connector_make_current,
.swap_buffers = drm_connector_swap_buffers,
.set_gamma = drm_connector_set_gamma,
.set_gamma = set_drm_connector_gamma,
.get_gamma_size = drm_connector_get_gamma_size,
.export_dmabuf = drm_connector_export_dmabuf,
};
@ -771,6 +777,8 @@ static void dealloc_crtc(struct wlr_drm_connector *conn) {
wlr_log(WLR_DEBUG, "De-allocating CRTC %zu for output '%s'",
conn->crtc - drm->crtcs, conn->output.name);
set_drm_connector_gamma(&conn->output, 0, NULL, NULL, NULL);
for (size_t type = 0; type < 3; ++type) {
struct wlr_drm_plane *plane = conn->crtc->planes[type];
if (plane == NULL) {

5
include/backend/drm/drm.h
View file

@ -57,6 +57,9 @@ struct wlr_drm_crtc {
union wlr_drm_crtc_props props;
struct wl_list connectors;
uint16_t *gamma_table;
size_t gamma_table_size;
};
struct wlr_drm_backend {
@ -151,5 +154,7 @@ void restore_drm_outputs(struct wlr_drm_backend *drm);
void scan_drm_connectors(struct wlr_drm_backend *state);
int handle_drm_event(int fd, uint32_t mask, void *data);
bool enable_drm_connector(struct wlr_output *output, bool enable);
bool set_drm_connector_gamma(struct wlr_output *output, size_t size,
const uint16_t *r, const uint16_t *g, const uint16_t *b);
#endif