[PATCH 2/3] drm/i915: Move debugfs/i915_semaphore_status to i915_engine_info

Chris Wilson
2017-10-28T11:27:37Z

As the semaphores is just part of the engine, include it with the
general pretty printer universally used for debugging.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
---
drivers/gpu/drm/i915/i915_debugfs.c | 32 --------------------------------
drivers/gpu/drm/i915/intel_engine_cs.c | 9 +++++++++
2 files changed, 9 insertions(+), 32 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index b83fee536a2d..a8ad94382dff 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -3197,37 +3197,6 @@ static int i915_shrinker_info(struct seq_file *m, void *unused)
return 0;
}

-static int i915_semaphore_status(struct seq_file *m, void *unused)
-{
- struct drm_i915_private *dev_priv = node_to_i915(m->private);
- struct drm_device *dev = &dev_priv->drm;
- struct intel_engine_cs *engine;
- int num_rings = INTEL_INFO(dev_priv)->num_rings;
- enum intel_engine_id id;
- int j, ret;
-
- if (!i915_modparams.semaphores) {
- seq_puts(m, "Semaphores are disabled\n");
- return 0;
- }
-
- ret = mutex_lock_interruptible(&dev->struct_mutex);
- if (ret)
- return ret;
- intel_runtime_pm_get(dev_priv);
-
- seq_puts(m, " Last signal:");
- for_each_engine(engine, dev_priv, id)
- for (j = 0; j < num_rings; j++)
- seq_printf(m, "0x%08x\n",
- I915_READ(engine->semaphore.mbox.signal[j]));
- seq_putc(m, '\n');
-
- intel_runtime_pm_put(dev_priv);
- mutex_unlock(&dev->struct_mutex);
- return 0;
-}
-
static int i915_shared_dplls_info(struct seq_file *m, void *unused)
{
struct drm_i915_private *dev_priv = node_to_i915(m->private);
@@ -4707,7 +4676,6 @@ static const struct drm_info_list i915_debugfs_list[] = {
{"i915_display_info", i915_display_info, 0},
{"i915_engine_info", i915_engine_info, 0},
{"i915_shrinker_info", i915_shrinker_info, 0},
- {"i915_semaphore_status", i915_semaphore_status, 0},
{"i915_shared_dplls_info", i915_shared_dplls_info, 0},
{"i915_dp_mst_info", i915_dp_mst_info, 0},
{"i915_wa_registers", i915_wa_registers, 0},
diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
index 00431cec0914..6c54bfb1706a 100644
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -1733,6 +1733,15 @@ void intel_engine_dump(struct intel_engine_cs *engine, struct drm_printer *m)
I915_READ(RING_MI_MODE(engine->mmio_base)),
I915_READ(RING_MI_MODE(engine->mmio_base)) & (MODE_IDLE) ? " [idle]" : "");
}
+ if (i915_modparams.semaphores) {
+ drm_printf(m, "\tSYNC_0: 0x%08x\n",
+ I915_READ(RING_SYNC_0(engine->mmio_base)));
+ drm_printf(m, "\tSYNC_1: 0x%08x\n",
+ I915_READ(RING_SYNC_1(engine->mmio_base)));
+ if (HAS_VEBOX(dev_priv))
+ drm_printf(m, "\tSYNC_2: 0x%08x\n",
+ I915_READ(RING_SYNC_2(engine->mmio_base)));
+ }

rcu_read_unlock();

--
2.15.0.rc2