From af9ff6c70df452b42779aac1bb787ec72d5f257b Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Mon, 20 Nov 2017 20:55:03 +0000
Subject: [PATCH] drm/i915: Move debugfs/i915_semaphore_status to i915_engine_info
Git-commit: af9ff6c70df452b42779aac1bb787ec72d5f257b
Patch-mainline: v4.16-rc1
References: FATE#322643 bsc#1055900
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>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171120205504.21892-4-chris@chris-wilson.co.uk
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/gpu/drm/i915/i915_debugfs.c | 32 --------------------------------
drivers/gpu/drm/i915/intel_engine_cs.c | 9 +++++++++
2 files changed, 9 insertions(+), 32 deletions(-)
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -3160,37 +3160,6 @@ static int i915_shrinker_info(struct seq
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);
@@ -4670,7 +4639,6 @@ static const struct drm_info_list i915_d
{"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},
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -1721,6 +1721,15 @@ void intel_engine_dump(struct intel_engi
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();