Nothing special, just put the end right after hw_done(). Note that in
one path there's a wait for the flip/update to complete. But as far as
I understand from comments and code that's only relevant for modesets,
and skipped if there wasn't a modeset done on a given crtc.
For a bit more clarity pull the hw_done() call out of the if/else,
that way it's a bit clearer flow. But happy to shuffle this around as
is seen fit.
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
Cc: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
---
drivers/gpu/drm/omapdrm/omap_drv.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c b/drivers/gpu/drm/omapdrm/omap_drv.c
index 28bbad1353ee..8632139e0f01 100644
--- a/drivers/gpu/drm/omapdrm/omap_drv.c
+++ b/drivers/gpu/drm/omapdrm/omap_drv.c
@@ -68,6 +68,7 @@ static void omap_atomic_commit_tail(struct drm_atomic_state *old_state)
{
struct drm_device *dev = old_state->dev;
struct omap_drm_private *priv = dev->dev_private;
+ bool fence_cookie = dma_fence_begin_signalling();
dispc_runtime_get(priv->dispc);
@@ -90,8 +91,6 @@ static void omap_atomic_commit_tail(struct drm_atomic_state *old_state)
omap_atomic_wait_for_completion(dev, old_state);
drm_atomic_helper_commit_planes(dev, old_state, 0);
-
- drm_atomic_helper_commit_hw_done(old_state);
} else {
/*
* OMAP3 DSS seems to have issues with the work-around above,
@@ -101,10 +100,12 @@ static void omap_atomic_commit_tail(struct drm_atomic_state *old_state)
drm_atomic_helper_commit_planes(dev, old_state, 0);
drm_atomic_helper_commit_modeset_enables(dev, old_state);
-
- drm_atomic_helper_commit_hw_done(old_state);
}
+ drm_atomic_helper_commit_hw_done(old_state);
+
+ dma_fence_end_signalling(fence_cookie);
+
/*
* Wait for completion of the page flips to ensure that old buffers
* can't be touched by the hardware anymore before cleaning up planes.
--
2.30.0
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