From: Michel Dänzer <michel.daen...@amd.com> It supports the DRM_MODE_PAGE_FLIP_TARGET_* flags.
Signed-off-by: Michel Dänzer <michel.daenzer at amd.com> --- See https://cgit.freedesktop.org/~daenzer/xf86-video-amdgpu/commit/?id=b8631a9ba49c0d0ebe5dcd1dbfb68fcfe907296f https://cgit.freedesktop.org/~daenzer/xf86-video-ati/commit/?id=fc884a8af25345c32bd4104c864ecfeb9bb3db9b for examples how this can be used. xf86drmMode.c | 16 ++++++++++++++++ xf86drmMode.h | 3 +++ 2 files changed, 19 insertions(+) diff --git a/xf86drmMode.c b/xf86drmMode.c index 228c6e4..fb22f68 100644 --- a/xf86drmMode.c +++ b/xf86drmMode.c @@ -948,6 +948,22 @@ int drmModePageFlip(int fd, uint32_t crtc_id, uint32_t fb_id, return DRM_IOCTL(fd, DRM_IOCTL_MODE_PAGE_FLIP, &flip); } +int drmModePageFlipTarget(int fd, uint32_t crtc_id, uint32_t fb_id, + uint32_t flags, void *user_data, + uint32_t target_vblank) +{ + struct drm_mode_crtc_page_flip_target flip_target; + + memclear(flip_target); + flip_target.fb_id = fb_id; + flip_target.crtc_id = crtc_id; + flip_target.user_data = VOID2U64(user_data); + flip_target.flags = flags; + flip_target.sequence = target_vblank; + + return DRM_IOCTL(fd, DRM_IOCTL_MODE_PAGE_FLIP, &flip_target); +} + int drmModeSetPlane(int fd, uint32_t plane_id, uint32_t crtc_id, uint32_t fb_id, uint32_t flags, int32_t crtc_x, int32_t crtc_y, diff --git a/xf86drmMode.h b/xf86drmMode.h index 1a02fed..b684967 100644 --- a/xf86drmMode.h +++ b/xf86drmMode.h @@ -473,6 +473,9 @@ extern int drmModeCrtcGetGamma(int fd, uint32_t crtc_id, uint32_t size, uint16_t *red, uint16_t *green, uint16_t *blue); extern int drmModePageFlip(int fd, uint32_t crtc_id, uint32_t fb_id, uint32_t flags, void *user_data); +extern int drmModePageFlipTarget(int fd, uint32_t crtc_id, uint32_t fb_id, + uint32_t flags, void *user_data, + uint32_t target_vblank); extern drmModePlaneResPtr drmModeGetPlaneResources(int fd); extern drmModePlanePtr drmModeGetPlane(int fd, uint32_t plane_id); -- 2.9.3
