Messages in this thread Patch in this message | | | From | Sasha Levin <> | Subject | [PATCH AUTOSEL 4.19 04/22] drm/vc4: crtc: Use an union to store the page flip callback | Date | Mon, 27 Jun 2022 22:24:59 -0400 |
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From: Maxime Ripard <maxime@cerno.tech>
[ Upstream commit 2523e9dcc3be91bf9fdc0d1e542557ca00bbef42 ]
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 Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/gpu/drm/vc4/vc4_crtc.c | 20 ++++++++++++++------ 1 file changed, 14 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c index 5615ceb15708..9152d4d9c5d7 100644 --- a/drivers/gpu/drm/vc4/vc4_crtc.c +++ b/drivers/gpu/drm/vc4/vc4_crtc.c @@ -823,17 +823,17 @@ 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 vc4_dev *vc4 = to_vc4_dev(dev); @@ -872,6 +872,14 @@ vc4_async_page_flip_complete(struct vc4_seqno_cb *cb) up(&vc4->async_modeset); } +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 @@ -942,8 +950,8 @@ 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; -- 2.35.1
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