diff options
Diffstat (limited to 'backend/drm/drm.c')
| -rw-r--r-- | backend/drm/drm.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/backend/drm/drm.c b/backend/drm/drm.c index ace0835e..753b6ab8 100644 --- a/backend/drm/drm.c +++ b/backend/drm/drm.c @@ -1,3 +1,4 @@ +#define _POSIX_C_SOURCE 199309L #include <assert.h> #include <drm_mode.h> #include <EGL/egl.h> @@ -27,8 +28,8 @@ #include "util/signal.h" bool check_drm_features(struct wlr_drm_backend *drm) { + uint64_t cap; if (drm->parent) { - uint64_t cap; if (drmGetCap(drm->fd, DRM_CAP_PRIME, &cap) || !(cap & DRM_PRIME_CAP_IMPORT)) { wlr_log(WLR_ERROR, @@ -51,16 +52,21 @@ bool check_drm_features(struct wlr_drm_backend *drm) { const char *no_atomic = getenv("WLR_DRM_NO_ATOMIC"); if (no_atomic && strcmp(no_atomic, "1") == 0) { - wlr_log(WLR_DEBUG, "WLR_DRM_NO_ATOMIC set, forcing legacy DRM interface"); + wlr_log(WLR_DEBUG, + "WLR_DRM_NO_ATOMIC set, forcing legacy DRM interface"); drm->iface = &legacy_iface; } else if (drmSetClientCap(drm->fd, DRM_CLIENT_CAP_ATOMIC, 1)) { - wlr_log(WLR_DEBUG, "Atomic modesetting unsupported, using legacy DRM interface"); + wlr_log(WLR_DEBUG, + "Atomic modesetting unsupported, using legacy DRM interface"); drm->iface = &legacy_iface; } else { wlr_log(WLR_DEBUG, "Using atomic DRM interface"); drm->iface = &atomic_iface; } + int ret = drmGetCap(drm->fd, DRM_CAP_TIMESTAMP_MONOTONIC, &cap); + drm->clock = (ret == 0 && cap == 1) ? CLOCK_MONOTONIC : CLOCK_REALTIME; + return true; } |