drm/udl: Implement page_flip ioctl
This is a very crude page_flip implementation for UDL. There are ways to make it better (make it asynchronous, make it do actual vsynced flips...) but that's for another patch. [airlied: fixup primary change] Signed-off-by: Stéphane Marchesin <marcheu@chromium.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
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@ -363,6 +363,26 @@ static void udl_crtc_destroy(struct drm_crtc *crtc)
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kfree(crtc);
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kfree(crtc);
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}
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}
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static int udl_crtc_page_flip(struct drm_crtc *crtc,
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struct drm_framebuffer *fb,
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struct drm_pending_vblank_event *event,
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uint32_t page_flip_flags)
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{
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struct udl_framebuffer *ufb = to_udl_fb(fb);
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struct drm_device *dev = crtc->dev;
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unsigned long flags;
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udl_handle_damage(ufb, 0, 0, fb->width, fb->height);
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spin_lock_irqsave(&dev->event_lock, flags);
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if (event)
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drm_send_vblank_event(dev, 0, event);
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spin_unlock_irqrestore(&dev->event_lock, flags);
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crtc->primary->fb = fb;
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return 0;
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}
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static void udl_crtc_prepare(struct drm_crtc *crtc)
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static void udl_crtc_prepare(struct drm_crtc *crtc)
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{
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{
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}
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}
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@ -384,6 +404,7 @@ static struct drm_crtc_helper_funcs udl_helper_funcs = {
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static const struct drm_crtc_funcs udl_crtc_funcs = {
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static const struct drm_crtc_funcs udl_crtc_funcs = {
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.set_config = drm_crtc_helper_set_config,
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.set_config = drm_crtc_helper_set_config,
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.destroy = udl_crtc_destroy,
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.destroy = udl_crtc_destroy,
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.page_flip = udl_crtc_page_flip,
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};
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};
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static int udl_crtc_init(struct drm_device *dev)
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static int udl_crtc_init(struct drm_device *dev)
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