1 From fe67c3546abaaab10d826626fdd3dd147f6bd693 Mon Sep 17 00:00:00 2001
2 From: Eric Anholt <eric@anholt.net>
3 Date: Fri, 22 Jan 2016 13:06:39 -0800
4 Subject: [PATCH 192/381] drm/vc4: Add a debugfs node for tracking execution
7 Signed-off-by: Eric Anholt <eric@anholt.net>
9 drivers/gpu/drm/vc4/vc4_debugfs.c | 1 +
10 drivers/gpu/drm/vc4/vc4_drv.h | 1 +
11 drivers/gpu/drm/vc4/vc4_gem.c | 14 ++++++++++++++
12 3 files changed, 16 insertions(+)
14 --- a/drivers/gpu/drm/vc4/vc4_debugfs.c
15 +++ b/drivers/gpu/drm/vc4/vc4_debugfs.c
18 static const struct drm_info_list vc4_debugfs_list[] = {
19 {"bo_stats", vc4_bo_stats_debugfs, 0},
20 + {"gem_exec", vc4_gem_exec_debugfs, 0},
21 {"hdmi_regs", vc4_hdmi_debugfs_regs, 0},
22 {"hvs_regs", vc4_hvs_debugfs_regs, 0},
23 {"crtc0_regs", vc4_crtc_debugfs_regs, 0, (void *)(uintptr_t)0},
24 --- a/drivers/gpu/drm/vc4/vc4_drv.h
25 +++ b/drivers/gpu/drm/vc4/vc4_drv.h
26 @@ -403,6 +403,7 @@ void vc4_job_handle_completed(struct vc4
27 int vc4_queue_seqno_cb(struct drm_device *dev,
28 struct vc4_seqno_cb *cb, uint64_t seqno,
29 void (*func)(struct vc4_seqno_cb *cb));
30 +int vc4_gem_exec_debugfs(struct seq_file *m, void *arg);
33 extern struct platform_driver vc4_hdmi_driver;
34 --- a/drivers/gpu/drm/vc4/vc4_gem.c
35 +++ b/drivers/gpu/drm/vc4/vc4_gem.c
38 #include "vc4_trace.h"
40 +#ifdef CONFIG_DEBUG_FS
41 +int vc4_gem_exec_debugfs(struct seq_file *m, void *unused)
43 + struct drm_info_node *node = (struct drm_info_node *)m->private;
44 + struct drm_device *dev = node->minor->dev;
45 + struct vc4_dev *vc4 = to_vc4_dev(dev);
47 + seq_printf(m, "Emitted seqno: 0x%016llx\n", vc4->emit_seqno);
48 + seq_printf(m, "Finished seqno: 0x%016llx\n", vc4->finished_seqno);
52 +#endif /* CONFIG_DEBUG_FS */
55 vc4_queue_hangcheck(struct drm_device *dev)