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20ea6adbf1
Build system: x86_64 Build-tested: bcm2708, bcm2709, bcm2710, bcm2711 Run-tested: bcm2708/RPiB+, bcm2709/RPi3B, bcm2710/RPi3B, bcm2711/RPi4B Signed-off-by: Marty Jones <mj8263788@gmail.com> Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
36 lines
1.2 KiB
Diff
36 lines
1.2 KiB
Diff
From 5fa4e656501eed725b9151a38e5b55a45571bf31 Mon Sep 17 00:00:00 2001
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From: Maxime Ripard <maxime@cerno.tech>
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Date: Mon, 6 Dec 2021 16:17:56 +0100
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Subject: [PATCH] drm/vc4: hvs: Remove dlist setup duplication
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Setting the DISPLISTx register needs to occur in every case, and we
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don't need to protect the register using the event_lock, so we can just
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move it after the if branches and simplify a bit the function.
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Signed-off-by: Maxime Ripard <maxime@cerno.tech>
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---
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drivers/gpu/drm/vc4/vc4_hvs.c | 9 +++------
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1 file changed, 3 insertions(+), 6 deletions(-)
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--- a/drivers/gpu/drm/vc4/vc4_hvs.c
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+++ b/drivers/gpu/drm/vc4/vc4_hvs.c
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@@ -616,15 +616,12 @@ static void vc4_hvs_update_dlist(struct
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crtc->state->event = NULL;
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}
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- HVS_WRITE(SCALER_DISPLISTX(vc4_state->assigned_channel),
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- vc4_state->mm.start);
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-
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spin_unlock_irqrestore(&dev->event_lock, flags);
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- } else {
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- HVS_WRITE(SCALER_DISPLISTX(vc4_state->assigned_channel),
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- vc4_state->mm.start);
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}
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+ HVS_WRITE(SCALER_DISPLISTX(vc4_state->assigned_channel),
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+ vc4_state->mm.start);
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+
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spin_lock_irqsave(&vc4_crtc->irq_lock, flags);
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vc4_crtc->current_dlist = vc4_state->mm.start;
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spin_unlock_irqrestore(&vc4_crtc->irq_lock, flags);
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