diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_display.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_display.c | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c index 17422bc19529..7809d92183c4 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/drivers/gpu/drm/nouveau/nouveau_display.c @@ -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 @@ fail: 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); |