diff options
| author | Maxime Ripard <maxime@cerno.tech> | 2022-06-10 14:51:44 +0300 |
|---|---|---|
| committer | Maxime Ripard <maxime@cerno.tech> | 2022-06-16 12:07:52 +0300 |
| commit | 2523e9dcc3be91bf9fdc0d1e542557ca00bbef42 (patch) | |
| tree | 14d52da7194b356480493e67504f05068bd56a88 /drivers/gpu/drm | |
| parent | 257add942a477bb99bdf4bacc6190703f796dcff (diff) | |
| download | linux-2523e9dcc3be91bf9fdc0d1e542557ca00bbef42.tar.xz | |
drm/vc4: crtc: Use an union to store the page flip callback
We'll need to extend the vc4_async_flip_state structure to rely on
another callback implementation, so let's move the current one into a
union.
Reviewed-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20220610115149.964394-10-maxime@cerno.tech
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_crtc.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c index dd5fb25d0f43..1f247c037ce0 100644 --- a/drivers/gpu/drm/vc4/vc4_crtc.c +++ b/drivers/gpu/drm/vc4/vc4_crtc.c @@ -775,17 +775,17 @@ struct vc4_async_flip_state { struct drm_framebuffer *old_fb; struct drm_pending_vblank_event *event; - struct vc4_seqno_cb cb; + union { + struct vc4_seqno_cb seqno; + } cb; }; /* Called when the V3D execution for the BO being flipped to is done, so that * we can actually update the plane's address to point to it. */ static void -vc4_async_page_flip_complete(struct vc4_seqno_cb *cb) +vc4_async_page_flip_complete(struct vc4_async_flip_state *flip_state) { - struct vc4_async_flip_state *flip_state = - container_of(cb, struct vc4_async_flip_state, cb); struct drm_crtc *crtc = flip_state->crtc; struct drm_device *dev = crtc->dev; struct drm_plane *plane = crtc->primary; @@ -821,6 +821,14 @@ vc4_async_page_flip_complete(struct vc4_seqno_cb *cb) kfree(flip_state); } +static void vc4_async_page_flip_seqno_complete(struct vc4_seqno_cb *cb) +{ + struct vc4_async_flip_state *flip_state = + container_of(cb, struct vc4_async_flip_state, cb.seqno); + + vc4_async_page_flip_complete(flip_state); +} + /* Implements async (non-vblank-synced) page flips. * * The page flip ioctl needs to return immediately, so we grab the @@ -881,8 +889,8 @@ static int vc4_async_page_flip(struct drm_crtc *crtc, */ drm_atomic_set_fb_for_plane(plane->state, fb); - vc4_queue_seqno_cb(dev, &flip_state->cb, bo->seqno, - vc4_async_page_flip_complete); + vc4_queue_seqno_cb(dev, &flip_state->cb.seqno, bo->seqno, + vc4_async_page_flip_seqno_complete); /* Driver takes ownership of state on successful async commit. */ return 0; |