target/linux/brcm2708/patches-4.4/0193-drm-vc4-Add-a-debugfs-node-for-tracking-execution-st.patch

   1 From b30fecff47b19f93b4d20706bc6c6e6c0b972344 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 193/232] drm/vc4: Add a debugfs node for tracking execution
   5  state.
   6
   7 Signed-off-by: Eric Anholt <eric@anholt.net>
   8 ---
   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(+)
  13
  14 --- a/drivers/gpu/drm/vc4/vc4_debugfs.c
  15 +++ b/drivers/gpu/drm/vc4/vc4_debugfs.c
  16 @@ -17,6 +17,7 @@
  17
  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);
  31
  32  /* vc4_hdmi.c */
  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
  36 @@ -31,6 +31,20 @@
  37  #include "vc4_regs.h"
  38  #include "vc4_trace.h"
  39
  40 +#ifdef CONFIG_DEBUG_FS
  41 +int vc4_gem_exec_debugfs(struct seq_file *m, void *unused)
  42 +{
  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);
  46 +
  47 +       seq_printf(m, "Emitted  seqno:   0x%016llx\n", vc4->emit_seqno);
  48 +       seq_printf(m, "Finished seqno:   0x%016llx\n", vc4->finished_seqno);
  49 +
  50 +       return 0;
  51 +}
  52 +#endif /* CONFIG_DEBUG_FS */
  53 +
  54  static void
  55  vc4_queue_hangcheck(struct drm_device *dev)
  56  {