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https://github.com/Ysurac/openmptcprouter.git
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36 lines
1.1 KiB
Diff
36 lines
1.1 KiB
Diff
From d442cf66caa29bfc80747308fe8ba45c0cd4a256 Mon Sep 17 00:00:00 2001
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From: Maxime Ripard <maxime@cerno.tech>
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Date: Wed, 22 Mar 2023 16:17:57 +0100
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Subject: [PATCH] drm/vc4: plane: Add more debugging for LBM allocation
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LBM allocations need a different size depending on the line length,
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format, etc.
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This can get tricky, and fail. Let's add some more prints to ease the
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debugging when it does.
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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 | 4 ++++
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1 file changed, 4 insertions(+)
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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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@@ -735,6 +735,7 @@ static int vc4_plane_allocate_lbm(struct
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{
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struct drm_device *drm = state->plane->dev;
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struct vc4_dev *vc4 = to_vc4_dev(drm);
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+ struct drm_plane *plane = state->plane;
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struct vc4_plane_state *vc4_state = to_vc4_plane_state(state);
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unsigned long irqflags;
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u32 lbm_size;
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@@ -743,6 +744,9 @@ static int vc4_plane_allocate_lbm(struct
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if (!lbm_size)
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return 0;
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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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+
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if (WARN_ON(!vc4_state->lbm_offset))
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return -EINVAL;
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