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Do not allow gamma control without a crtc

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This commit is contained in:
Vincent Vanlaer 2018-02-04 21:50:52 +01:00
parent ab011406ad
commit f5e5d1983b
1 changed files with 10 additions and 2 deletions
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8
backend/drm/drm.c
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@ -232,15 +232,23 @@ static void wlr_drm_connector_set_gamma(struct wlr_output *output,
uint32_t size, uint16_t *r, uint16_t *g, uint16_t *b) { 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_connector *conn = (struct wlr_drm_connector *)output;
struct wlr_drm_backend *drm = (struct wlr_drm_backend *)output->backend; struct wlr_drm_backend *drm = (struct wlr_drm_backend *)output->backend;
if (conn->crtc) {
drm->iface->crtc_set_gamma(drm, conn->crtc, r, g, b, size); 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) { 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_connector *conn = (struct wlr_drm_connector *)output;
struct wlr_drm_backend *drm = (struct wlr_drm_backend *)output->backend; struct wlr_drm_backend *drm = (struct wlr_drm_backend *)output->backend;
if (conn->crtc) {
return drm->iface->crtc_get_gamma_size(drm, 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) { void wlr_drm_connector_start_renderer(struct wlr_drm_connector *conn) {
if (conn->state != WLR_DRM_CONN_CONNECTED) { if (conn->state != WLR_DRM_CONN_CONNECTED) {
return; return;