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8c405cdccc
The patches were generated from the RPi repo with the following command: git format-patch v6.6.34..rpi-6.1.y Some patches needed rebasing and, as usual, the applied and reverted, wireless drivers, Github workflows, READMEs and defconfigs patches were removed. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
46 lines
1.6 KiB
Diff
46 lines
1.6 KiB
Diff
From ec3556d9297746b663b628fa9794d742359397c8 Mon Sep 17 00:00:00 2001
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From: Maxime Ripard <maxime@cerno.tech>
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Date: Thu, 13 Apr 2023 10:12:19 +0200
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Subject: [PATCH 0594/1085] drm/vc4: hvs: Rework LBM alignment
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With the introduction of the support for BCM2712, the check of whether
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we're running on vc5 or not to compute the LBM alignment requirement
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doesn't work anymore.
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Moreover, the LBM size will need to be computed in words for the
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BCM2712, while we've had sizes in bytes so far.
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Aligning on either 64 or 32 words is thus fairly harmful on BCM2712, so
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let's just explicitly align the size when needed, and then call
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drm_mm_insert_node_generic() with an alignment of 1.
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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_plane.c | 8 ++++++--
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1 file changed, 6 insertions(+), 2 deletions(-)
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--- a/drivers/gpu/drm/vc4/vc4_plane.c
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+++ b/drivers/gpu/drm/vc4/vc4_plane.c
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@@ -744,6 +744,11 @@ static int vc4_plane_allocate_lbm(struct
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if (!lbm_size)
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return 0;
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+ if (vc4->gen == VC4_GEN_5)
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+ lbm_size = ALIGN(lbm_size, 64);
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+ else if (vc4->gen == VC4_GEN_4)
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+ lbm_size = ALIGN(lbm_size, 32);
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+
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drm_dbg_driver(drm, "[PLANE:%d:%s] LBM Allocation Size: %u\n",
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plane->base.id, plane->name, lbm_size);
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@@ -759,8 +764,7 @@ static int vc4_plane_allocate_lbm(struct
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spin_lock_irqsave(&vc4->hvs->mm_lock, irqflags);
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ret = drm_mm_insert_node_generic(&vc4->hvs->lbm_mm,
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&vc4_state->lbm,
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- lbm_size,
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- vc4->gen == VC4_GEN_5 ? 64 : 32,
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+ lbm_size, 1,
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0, 0);
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spin_unlock_irqrestore(&vc4->hvs->mm_lock, irqflags);
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