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drm/vc4: hvs: Remove dlist setup duplication

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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@cerno.tech>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://lore.kernel.org/r/20220331143744.777652-5-maxime@cerno.tech
This commit is contained in:
Maxime Ripard 2022-03-31 16:37:41 +02:00
parent e418639d19
commit a7609858bf
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GPG Key ID: E3EF0D6F671851C5
1 changed files with 3 additions and 6 deletions
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9
drivers/gpu/drm/vc4/vc4_hvs.c
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@ -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);