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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>
67 lines
2.1 KiB
Diff
67 lines
2.1 KiB
Diff
From 9704e93d324a0cbbd8fa23c4cce6011ff7459fa7 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 09:53:17 +0100
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Subject: [PATCH 0581/1085] drm/vc4: hvs: Print error if we fail an allocation
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We need to allocate a few additional structures when checking our
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atomic_state, especially related to hardware SRAM that will hold the
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plane descriptors (DLIST) and the current line context (LBM) during
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composition.
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Since those allocation can fail, let's add some error message in that
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case to help debug what goes wrong.
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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 | 6 +++++-
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drivers/gpu/drm/vc4/vc4_plane.c | 7 +++++--
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2 files changed, 10 insertions(+), 3 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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@@ -441,6 +441,8 @@ vc4_hvs_alloc_dlist_entry(struct vc4_hvs
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unsigned int channel,
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size_t dlist_count)
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{
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+ struct vc4_dev *vc4 = hvs->vc4;
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+ struct drm_device *dev = &vc4->base;
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struct vc4_hvs_dlist_allocation *alloc;
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unsigned long flags;
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int ret;
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@@ -458,8 +460,10 @@ vc4_hvs_alloc_dlist_entry(struct vc4_hvs
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ret = drm_mm_insert_node(&hvs->dlist_mm, &alloc->mm_node,
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dlist_count);
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spin_unlock_irqrestore(&hvs->mm_lock, flags);
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- if (ret)
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+ if (ret) {
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+ drm_err(dev, "Failed to allocate DLIST entry: %d\n", ret);
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return ERR_PTR(ret);
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+ }
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alloc->channel = channel;
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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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@@ -733,7 +733,8 @@ static void vc4_plane_calc_load(struct d
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static int vc4_plane_allocate_lbm(struct drm_plane_state *state)
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{
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- struct vc4_dev *vc4 = to_vc4_dev(state->plane->dev);
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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 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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@@ -759,8 +760,10 @@ static int vc4_plane_allocate_lbm(struct
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0, 0);
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spin_unlock_irqrestore(&vc4->hvs->mm_lock, irqflags);
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- if (ret)
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+ if (ret) {
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+ drm_err(drm, "Failed to allocate LBM entry: %d\n", ret);
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return ret;
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+ }
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} else {
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WARN_ON_ONCE(lbm_size != vc4_state->lbm.size);
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}
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