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authorJakob Bornecrantz <jakob@vmware.com>2012-02-09 16:56:45 +0100
committerDave Airlie <airlied@redhat.com>2012-02-13 13:01:35 +0100
commitb5ec427e8d8c66ea1bb9a3bf09663c1361ecf0b6 (patch)
treee6b3c60a0b77cff4b1eb62c3010c83cefd17929e /drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
parentvmwgfx: Pipe fence out of screen object dirty functions (diff)
downloadlinux-b5ec427e8d8c66ea1bb9a3bf09663c1361ecf0b6.tar.xz
linux-b5ec427e8d8c66ea1bb9a3bf09663c1361ecf0b6.zip
vmwgfx: Add page flip support
Signed-off-by: Jakob Bornecrantz <jakob@vmware.com> Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_kms.c')
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_kms.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 24efcae3e2f5..2286d47e5022 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -1681,6 +1681,70 @@ int vmw_du_update_layout(struct vmw_private *dev_priv, unsigned num,
return 0;
}
+int vmw_du_page_flip(struct drm_crtc *crtc,
+ struct drm_framebuffer *fb,
+ struct drm_pending_vblank_event *event)
+{
+ struct vmw_private *dev_priv = vmw_priv(crtc->dev);
+ struct drm_framebuffer *old_fb = crtc->fb;
+ struct vmw_framebuffer *vfb = vmw_framebuffer_to_vfb(fb);
+ struct drm_file *file_priv = event->base.file_priv;
+ struct vmw_fence_obj *fence = NULL;
+ struct drm_clip_rect clips;
+ int ret;
+
+ /* require ScreenObject support for page flipping */
+ if (!dev_priv->sou_priv)
+ return -ENOSYS;
+
+ if (!vmw_kms_screen_object_flippable(dev_priv, crtc))
+ return -EINVAL;
+
+ crtc->fb = fb;
+
+ /* do a full screen dirty update */
+ clips.x1 = clips.y1 = 0;
+ clips.x2 = fb->width;
+ clips.y2 = fb->height;
+
+ if (vfb->dmabuf)
+ ret = do_dmabuf_dirty_sou(file_priv, dev_priv, vfb,
+ 0, 0, &clips, 1, 1, &fence);
+ else
+ ret = do_surface_dirty_sou(dev_priv, file_priv, vfb,
+ 0, 0, &clips, 1, 1, &fence);
+
+
+ if (ret != 0)
+ goto out_no_fence;
+ if (!fence) {
+ ret = -EINVAL;
+ goto out_no_fence;
+ }
+
+ ret = vmw_event_fence_action_queue(file_priv, fence,
+ &event->base,
+ &event->event.tv_sec,
+ &event->event.tv_usec,
+ true);
+
+ /*
+ * No need to hold on to this now. The only cleanup
+ * we need to do if we fail is unref the fence.
+ */
+ vmw_fence_obj_unreference(&fence);
+
+ if (vmw_crtc_to_du(crtc)->is_implicit)
+ vmw_kms_screen_object_update_implicit_fb(dev_priv, crtc);
+
+ return ret;
+
+out_no_fence:
+ crtc->fb = old_fb;
+ return ret;
+}
+
+
void vmw_du_crtc_save(struct drm_crtc *crtc)
{
}