target/linux/brcm2708/patches-4.4/0192-drm-vc4-Add-a-debugfs-node-for-tracking-execution-st.patch

   1 From 2bcb714370ae69fe808d7e2061927c2ea1753ff7 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] drm/vc4: Add a debugfs node for tracking execution state.
   5
   6 Signed-off-by: Eric Anholt <eric@anholt.net>
   7 ---
   8  drivers/gpu/drm/vc4/vc4_debugfs.c |  1 +
   9  drivers/gpu/drm/vc4/vc4_drv.h     |  1 +
  10  drivers/gpu/drm/vc4/vc4_gem.c     | 14 ++++++++++++++
  11  3 files changed, 16 insertions(+)
  12
  13 --- a/drivers/gpu/drm/vc4/vc4_debugfs.c
  14 +++ b/drivers/gpu/drm/vc4/vc4_debugfs.c
  15 @@ -17,6 +17,7 @@
  16
  17  static const struct drm_info_list vc4_debugfs_list[] = {
  18         {"bo_stats", vc4_bo_stats_debugfs, 0},
  19 +       {"gem_exec", vc4_gem_exec_debugfs, 0},
  20         {"hdmi_regs", vc4_hdmi_debugfs_regs, 0},
  21         {"hvs_regs", vc4_hvs_debugfs_regs, 0},
  22         {"crtc0_regs", vc4_crtc_debugfs_regs, 0, (void *)(uintptr_t)0},
  23 --- a/drivers/gpu/drm/vc4/vc4_drv.h
  24 +++ b/drivers/gpu/drm/vc4/vc4_drv.h
  25 @@ -403,6 +403,7 @@ void vc4_job_handle_completed(struct vc4
  26  int vc4_queue_seqno_cb(struct drm_device *dev,
  27                        struct vc4_seqno_cb *cb, uint64_t seqno,
  28                        void (*func)(struct vc4_seqno_cb *cb));
  29 +int vc4_gem_exec_debugfs(struct seq_file *m, void *arg);
  30
  31  /* vc4_hdmi.c */
  32  extern struct platform_driver vc4_hdmi_driver;
  33 --- a/drivers/gpu/drm/vc4/vc4_gem.c
  34 +++ b/drivers/gpu/drm/vc4/vc4_gem.c
  35 @@ -31,6 +31,20 @@
  36  #include "vc4_regs.h"
  37  #include "vc4_trace.h"
  38
  39 +#ifdef CONFIG_DEBUG_FS
  40 +int vc4_gem_exec_debugfs(struct seq_file *m, void *unused)
  41 +{
  42 +       struct drm_info_node *node = (struct drm_info_node *)m->private;
  43 +       struct drm_device *dev = node->minor->dev;
  44 +       struct vc4_dev *vc4 = to_vc4_dev(dev);
  45 +
  46 +       seq_printf(m, "Emitted  seqno:   0x%016llx\n", vc4->emit_seqno);
  47 +       seq_printf(m, "Finished seqno:   0x%016llx\n", vc4->finished_seqno);
  48 +
  49 +       return 0;
  50 +}
  51 +#endif /* CONFIG_DEBUG_FS */
  52 +
  53  static void
  54  vc4_queue_hangcheck(struct drm_device *dev)
  55  {