[PATCH v2 4/7] drm/vc4: hvs: Remove dlist setup duplication
Maxime Ripard
maxime at cerno.tech
Thu Mar 31 14:37:41 UTC 2022
Setting the DISPLISTx register needs to occur in every case, and we
don't need to protect the register using the event_lock, so we can just
move it after the if branches and simplify a bit the function.
Signed-off-by: Maxime Ripard <maxime at cerno.tech>
---
drivers/gpu/drm/vc4/vc4_hvs.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/vc4/vc4_hvs.c b/drivers/gpu/drm/vc4/vc4_hvs.c
index d225eea6e640..71aa5081eaa3 100644
--- a/drivers/gpu/drm/vc4/vc4_hvs.c
+++ b/drivers/gpu/drm/vc4/vc4_hvs.c
@@ -402,15 +402,12 @@ static void vc4_hvs_update_dlist(struct drm_crtc *crtc)
crtc->state->event = NULL;
}
- HVS_WRITE(SCALER_DISPLISTX(vc4_state->assigned_channel),
- vc4_state->mm.start);
-
spin_unlock_irqrestore(&dev->event_lock, flags);
- } else {
- HVS_WRITE(SCALER_DISPLISTX(vc4_state->assigned_channel),
- vc4_state->mm.start);
}
+ HVS_WRITE(SCALER_DISPLISTX(vc4_state->assigned_channel),
+ vc4_state->mm.start);
+
spin_lock_irqsave(&vc4_crtc->irq_lock, flags);
vc4_crtc->current_dlist = vc4_state->mm.start;
spin_unlock_irqrestore(&vc4_crtc->irq_lock, flags);
--
2.35.1
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