2e715fb4fc
Add support for BCM2712 (Raspberry Pi 5).
3bb5880ab3
Patches were generated from the diff between linux kernel branch linux-6.1.y
and rpi-6.1.y from raspberry pi kernel source:
- git format-patch linux-6.1.y...rpi-6.1.y
Build system: x86_64
Build-tested: bcm2708, bcm2709, bcm2710, bcm2711
Run-tested: bcm2710/RPi3B, bcm2711/RPi4B
Signed-off-by: Marty Jones <mj8263788@gmail.com>
[Remove applied and reverted patches, squash patches and config commits]
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
64 lines
2 KiB
Diff
64 lines
2 KiB
Diff
From 665e9810340abc37769b317445907bac1843dd64 Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Fri, 27 Oct 2023 16:46:04 +0100
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Subject: [PATCH] drm/vc4: Add hvs_dlist_allocs debugfs function.
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Users are reporting running out of DLIST memory. Add a
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debugfs file to dump out all the allocations.
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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---
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drivers/gpu/drm/vc4/vc4_hvs.c | 35 +++++++++++++++++++++++++++++++++++
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1 file changed, 35 insertions(+)
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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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@@ -347,6 +347,36 @@ static int vc5_hvs_debugfs_gamma(struct
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return 0;
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}
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+static int vc4_hvs_debugfs_dlist_allocs(struct seq_file *m, void *data)
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+{
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+ struct drm_info_node *node = m->private;
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+ struct drm_device *dev = node->minor->dev;
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+ struct vc4_dev *vc4 = to_vc4_dev(dev);
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+ struct vc4_hvs *hvs = vc4->hvs;
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+ struct drm_printer p = drm_seq_file_printer(m);
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+ struct vc4_hvs_dlist_allocation *cur, *next;
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+ struct drm_mm_node *mm_node;
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+ unsigned long flags;
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+
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+ spin_lock_irqsave(&hvs->mm_lock, flags);
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+
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+ drm_printf(&p, "Allocated nodes:\n");
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+ list_for_each_entry(mm_node, drm_mm_nodes(&hvs->dlist_mm), node_list) {
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+ drm_printf(&p, "node [%08llx + %08llx]\n", mm_node->start, mm_node->size);
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+ }
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+
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+ drm_printf(&p, "Stale nodes:\n");
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+ list_for_each_entry_safe(cur, next, &hvs->stale_dlist_entries, node) {
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+ drm_printf(&p, "node [%08llx + %08llx] channel %u frcnt %u\n",
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+ cur->mm_node.start, cur->mm_node.size, cur->channel,
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+ cur->target_frame_count);
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+ }
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+
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+ spin_unlock_irqrestore(&hvs->mm_lock, flags);
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+
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+ return 0;
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+}
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+
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/* The filter kernel is composed of dwords each containing 3 9-bit
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* signed integers packed next to each other.
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*/
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@@ -1602,6 +1632,11 @@ int vc4_hvs_debugfs_init(struct drm_mino
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if (ret)
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return ret;
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+ ret = vc4_debugfs_add_file(minor, "hvs_dlist_allocs",
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+ vc4_hvs_debugfs_dlist_allocs, NULL);
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+ if (ret)
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+ return ret;
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+
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ret = vc4_debugfs_add_regset32(minor, "hvs_regs",
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&hvs->regset);
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if (ret)
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