diff options
| author | Vincent Vanlaer <vincent.vanlaer@skynet.be> | 2018-02-04 21:50:52 +0100 |
|---|---|---|
| committer | Vincent Vanlaer <vincent.vanlaer@skynet.be> | 2018-02-09 17:29:14 +0100 |
| commit | f5e5d1983b96f848ed89bdd3b0ea9825efa75063 (patch) | |
| tree | d1d3fe8f6b24474f5f3811c45f107d5ab47e2d6f /backend/drm | |
| parent | ab011406add31c518f6f352189b1dc6246a74fdb (diff) | |
Do not allow gamma control without a crtc
Diffstat (limited to 'backend/drm')
| -rw-r--r-- | backend/drm/drm.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/backend/drm/drm.c b/backend/drm/drm.c index eef1e333..70e6a1cf 100644 --- a/backend/drm/drm.c +++ b/backend/drm/drm.c @@ -232,13 +232,21 @@ static void wlr_drm_connector_set_gamma(struct wlr_output *output, uint32_t size, uint16_t *r, uint16_t *g, uint16_t *b) { struct wlr_drm_connector *conn = (struct wlr_drm_connector *)output; struct wlr_drm_backend *drm = (struct wlr_drm_backend *)output->backend; - drm->iface->crtc_set_gamma(drm, conn->crtc, r, g, b, size); + + if (conn->crtc) { + drm->iface->crtc_set_gamma(drm, conn->crtc, r, g, b, size); + } } static uint32_t wlr_drm_connector_get_gamma_size(struct wlr_output *output) { struct wlr_drm_connector *conn = (struct wlr_drm_connector *)output; struct wlr_drm_backend *drm = (struct wlr_drm_backend *)output->backend; - return drm->iface->crtc_get_gamma_size(drm, conn->crtc); + + if (conn->crtc) { + return drm->iface->crtc_get_gamma_size(drm, conn->crtc); + } + + return 0; } void wlr_drm_connector_start_renderer(struct wlr_drm_connector *conn) { |