static Bool
nouveau_present_flip_exec(ScrnInfoPtr scrn, uint64_t event_id, int sync,
uint64_t target_msc, PixmapPtr pixmap, Bool vsync)
{
ScreenPtr screen = scrn->pScreen;
struct nouveau_pixmap *priv = NULL;
NVPtr pNv = NVPTR(scrn);
uint32_t next_fb;
CARD16 stride;
CARD32 size;
void *token;
int ret;
#ifdef HAVE_GLAMOR
if (pNv->AccelMethod == GLAMOR &&
!(priv = nouveau_glamor_pixmap_get(pixmap))) {
int fd = glamor_fd_from_pixmap(screen, pixmap, &stride, &size);
if (fd < 0)
return FALSE;
priv = calloc(1, sizeof(*priv));
if (!priv)
return FALSE;
ret = nouveau_bo_prime_handle_ref(pNv->dev, fd, &priv->bo);
if (ret) {
free(priv);
return FALSE;
}
nouveau_glamor_pixmap_set(pixmap, priv);
} else
#endif
if (!priv)
priv = nouveau_pixmap(pixmap);
ret = drmModeAddFB(pNv->dev->fd, pixmap->drawable.width,
pixmap->drawable.height, pixmap->drawable.depth,
pixmap->drawable.bitsPerPixel, pixmap->devKind,
priv->bo->handle, &next_fb);
if (ret == 0) {
struct nouveau_present_flip *flip =
drmmode_event_queue(scrn, event_id, sizeof(*flip),
nouveau_present_flip, &token);
if (flip) {
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
int last = 0, i;
drmmode_swap(scrn, next_fb, &flip->old);
flip->fd = pNv->dev->fd;
flip->msc = target_msc;
for (i = 0; i < config->num_crtc; i++) {
if (config->crtc[i]->enabled)
last = i;
}
for (i = 0; i < config->num_crtc; i++) {
int type = vsync ? 0 : DRM_MODE_PAGE_FLIP_ASYNC;
int crtc = drmmode_crtc(config->crtc[i]);
void *user = NULL;
if (!config->crtc[i]->enabled)
continue;
if (token && ((crtc == sync) || (i == last))) {
type |= DRM_MODE_PAGE_FLIP_EVENT;
user = token;
}
ret = drmModePageFlip(pNv->dev->fd, crtc,
next_fb, type, user);
if (ret == 0 && user) {
token = NULL;
}
}
if (token == NULL) {
return TRUE;
}
drmmode_swap(scrn, flip->old, &next_fb);
drmmode_event_abort(scrn, event_id, false);
}
drmModeRmFB(pNv->dev->fd, next_fb);
}
return FALSE;
}
static int
nouveau_wait_vblank(DrawablePtr draw, int type, CARD64 msc,
CARD64 *pmsc, CARD64 *pust, void *data)
{
ScrnInfoPtr scrn = xf86ScreenToScrn(draw->pScreen);
NVPtr pNv = NVPTR(scrn);
xf86CrtcPtr crtc;
drmVBlank vbl;
struct dri2_vblank *event = NULL;
void *token = NULL;
int ret;
int head;
/* Select crtc which shows the largest part of the drawable */
crtc = nouveau_pick_best_crtc(scrn, FALSE,
draw->x, draw->y, draw->width, draw->height);
if (!crtc) {
xf86DrvMsg(scrn->scrnIndex, X_WARNING,
"Wait for VBlank failed: No valid crtc for drawable.\n");
return -EINVAL;
}
if (type & DRM_VBLANK_EVENT) {
event = drmmode_event_queue(scrn, ++dri2_sequence,
sizeof(*event),
nouveau_dri2_vblank_handler,
&token);
if (!event)
return -ENOMEM;
event->s = data;
}
/* Map xf86CrtcPtr to drmWaitVBlank compatible display head index. */
head = drmmode_head(crtc);
if (head == 1)
type |= DRM_VBLANK_SECONDARY;
else if (head > 1)
#ifdef DRM_VBLANK_HIGH_CRTC_SHIFT
type |= (head << DRM_VBLANK_HIGH_CRTC_SHIFT) &
DRM_VBLANK_HIGH_CRTC_MASK;
#else
xf86DrvMsg(scrn->scrnIndex, X_WARNING,
"Wait for VBlank failed: Called for CRTC %d > 1, but "
"DRM_VBLANK_HIGH_CRTC_SHIFT not defined at build time.\n",
head);
#endif
vbl.request.type = type;
vbl.request.sequence = msc;
vbl.request.signal = (unsigned long)token;
ret = drmWaitVBlank(pNv->dev->fd, &vbl);
if (ret) {
xf86DrvMsg(scrn->scrnIndex, X_WARNING,
"Wait for VBlank failed: %s\n", strerror(errno));
if (event)
drmmode_event_abort(scrn, dri2_sequence--, false);
return ret;
}
if (pmsc)
*pmsc = vbl.reply.sequence;
if (pust)
*pust = (CARD64)vbl.reply.tval_sec * 1000000 +
vbl.reply.tval_usec;
return 0;
}
static void
nouveau_present_vblank_abort(RRCrtcPtr rrcrtc, uint64_t event_id, uint64_t msc)
{
xf86CrtcPtr crtc = rrcrtc->devPrivate;
drmmode_event_abort(crtc->scrn, event_id, true);
}
static Bool
dri2_page_flip(DrawablePtr draw, PixmapPtr back, void *priv,
xf86CrtcPtr ref_crtc)
{
ScrnInfoPtr scrn = xf86ScreenToScrn(draw->pScreen);
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
NVPtr pNv = NVPTR(scrn);
uint32_t next_fb;
int emitted = 0;
int ret, i;
dri2_flipdata_ptr flipdata;
dri2_flipevtcarrier_ptr flipcarrier;
ret = drmModeAddFB(pNv->dev->fd, scrn->virtualX, scrn->virtualY,
scrn->depth, scrn->bitsPerPixel,
scrn->displayWidth * scrn->bitsPerPixel / 8,
nouveau_pixmap(back)->bo->handle, &next_fb);
if (ret) {
xf86DrvMsg(scrn->scrnIndex, X_WARNING,
"add fb failed: %s\n", strerror(errno));
return FALSE;
}
flipdata = calloc(1, sizeof(dri2_flipdata_rec));
if (!flipdata) {
xf86DrvMsg(scrn->scrnIndex, X_WARNING,
"flip queue: data alloc failed.\n");
goto error_undo;
}
flipdata->event_data = priv;
flipdata->fd = pNv->dev->fd;
for (i = 0; i < config->num_crtc; i++) {
int head = drmmode_crtc(config->crtc[i]);
void *token;
if (!drmmode_crtc_on(config->crtc[i]))
continue;
flipdata->flip_count++;
flipcarrier = drmmode_event_queue(scrn, ++dri2_sequence,
sizeof(*flipcarrier),
nouveau_dri2_flip_handler,
&token);
if (!flipcarrier) {
xf86DrvMsg(scrn->scrnIndex, X_WARNING,
"flip queue: carrier alloc failed.\n");
if (emitted == 0)
free(flipdata);
goto error_undo;
}
/* Only the reference crtc will finally deliver its page flip
* completion event. All other crtc's events will be discarded.
*/
flipcarrier->dispatch_me = (config->crtc[i] == ref_crtc);
flipcarrier->flipdata = flipdata;
ret = drmModePageFlip(pNv->dev->fd, head, next_fb,
DRM_MODE_PAGE_FLIP_EVENT, token);
if (ret) {
xf86DrvMsg(scrn->scrnIndex, X_WARNING,
"flip queue failed: %s\n", strerror(errno));
drmmode_event_abort(scrn, dri2_sequence--, false);
if (emitted == 0)
free(flipdata);
goto error_undo;
}
emitted++;
}
/* Will release old fb after all crtc's completed flip. */
drmmode_swap(scrn, next_fb, &flipdata->old_fb_id);
return TRUE;
error_undo:
drmModeRmFB(pNv->dev->fd, next_fb);
return FALSE;
}