diff options
| author | Stéphane Marchesin <marcheu@chromium.org> | 2014-07-03 00:13:43 +0200 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2014-07-08 03:37:28 +0200 |
| commit | 40377ef2d9a3ddc8ba4aee11393fb207e82111e1 (patch) | |
| tree | a0d2cdd522839f8834618b8925b766bd8019a726 /drivers/gpu/drm/udl | |
| parent | drm/udl: add vblank support (diff) | |
| download | linux-40377ef2d9a3ddc8ba4aee11393fb207e82111e1.tar.xz linux-40377ef2d9a3ddc8ba4aee11393fb207e82111e1.zip | |
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>
Diffstat (limited to 'drivers/gpu/drm/udl')
| -rw-r--r-- | drivers/gpu/drm/udl/udl_modeset.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c index cddc4fcf35cf..dc145d320b25 100644 --- a/drivers/gpu/drm/udl/udl_modeset.c +++ b/drivers/gpu/drm/udl/udl_modeset.c @@ -363,6 +363,26 @@ static void udl_crtc_destroy(struct drm_crtc *crtc) kfree(crtc); } +static int udl_crtc_page_flip(struct drm_crtc *crtc, + struct drm_framebuffer *fb, + struct drm_pending_vblank_event *event, + uint32_t page_flip_flags) +{ + struct udl_framebuffer *ufb = to_udl_fb(fb); + struct drm_device *dev = crtc->dev; + unsigned long flags; + + udl_handle_damage(ufb, 0, 0, fb->width, fb->height); + + spin_lock_irqsave(&dev->event_lock, flags); + if (event) + drm_send_vblank_event(dev, 0, event); + spin_unlock_irqrestore(&dev->event_lock, flags); + crtc->primary->fb = fb; + + return 0; +} + static void udl_crtc_prepare(struct drm_crtc *crtc) { } @@ -384,6 +404,7 @@ static struct drm_crtc_helper_funcs udl_helper_funcs = { static const struct drm_crtc_funcs udl_crtc_funcs = { .set_config = drm_crtc_helper_set_config, .destroy = udl_crtc_destroy, + .page_flip = udl_crtc_page_flip, }; static int udl_crtc_init(struct drm_device *dev) |