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drm/nv11-: synchronise flips to vblank, unless async flip requested

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2013-11-11 13:59:40 +10:00
parent 1e303c03af
commit b9d9dcdaae
2 changed files with 32 additions and 4 deletions
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30
drivers/gpu/drm/nouveau/nouveau_display.c
View file

@ -398,6 +398,11 @@ nouveau_display_create(struct drm_device *dev)
dev->mode_config.preferred_depth = 24;
dev->mode_config.prefer_shadow = 1;
if (nv_device(drm->device)->chipset < 0x11)
dev->mode_config.async_page_flip = false;
else
dev->mode_config.async_page_flip = true;
drm_kms_helper_poll_init(dev);
drm_kms_helper_poll_disable(dev);
@ -579,9 +584,9 @@ nouveau_page_flip_emit(struct nouveau_channel *chan,
int
nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
struct drm_pending_vblank_event *event,
uint32_t page_flip_flags)
struct drm_pending_vblank_event *event, u32 flags)
{
const int swap_interval = (flags & DRM_MODE_PAGE_FLIP_ASYNC) ? 0 : 1;
struct drm_device *dev = crtc->dev;
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->fb)->nvbo;
@ -625,12 +630,29 @@ nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
/* Emit a page flip */
if (nv_device(drm->device)->card_type >= NV_50) {
ret = nv50_display_flip_next(crtc, fb, chan, 0);
ret = nv50_display_flip_next(crtc, fb, chan, swap_interval);
if (ret)
goto fail_unreserve;
} else {
struct nv04_display *dispnv04 = nv04_display(dev);
nouveau_bo_ref(new_bo, &dispnv04->image[nouveau_crtc(crtc)->index]);
int head = nouveau_crtc(crtc)->index;
if (swap_interval) {
ret = RING_SPACE(chan, 8);
if (ret)
goto fail_unreserve;
BEGIN_NV04(chan, NvSubImageBlit, 0x012c, 1);
OUT_RING (chan, 0);
BEGIN_NV04(chan, NvSubImageBlit, 0x0134, 1);
OUT_RING (chan, head);
BEGIN_NV04(chan, NvSubImageBlit, 0x0100, 1);
OUT_RING (chan, 0);
BEGIN_NV04(chan, NvSubImageBlit, 0x0130, 1);
OUT_RING (chan, 0);
}
nouveau_bo_ref(new_bo, &dispnv04->image[head]);
}
ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence);

6
drivers/gpu/drm/nouveau/nv04_fbcon.c
View file

@ -255,6 +255,12 @@ nv04_fbcon_accel_init(struct fb_info *info)
OUT_RING(chan, NvCtxSurf2D);
BEGIN_NV04(chan, NvSubImageBlit, 0x02fc, 1);
OUT_RING(chan, 3);
if (device->chipset >= 0x11 /*XXX: oclass == 0x009f*/) {
BEGIN_NV04(chan, NvSubImageBlit, 0x0120, 3);
OUT_RING(chan, 0);
OUT_RING(chan, 1);
OUT_RING(chan, 2);
}
BEGIN_NV04(chan, NvSubGdiRect, 0x0000, 1);
OUT_RING(chan, NvGdiRect);