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drm/i915/fdinfo: Don't show engine classes not present

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Stop displaying engine classes with no engines - it is not a huge problem
if they are shown, since the values will correctly be all zeroes, but it
does count as misleading.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Fixes: 055634e4b6 ("drm/i915: Expose client engine utilisation via fdinfo")
Cc: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220616140056.559074-1-tvrtko.ursulin@linux.intel.com
This commit is contained in:
Tvrtko Ursulin 2022-06-16 15:00:56 +01:00
parent 45c64ecf97
commit 9f1b1d0b22
1 changed files with 3 additions and 2 deletions
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5
drivers/gpu/drm/i915/i915_drm_client.c
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@ -116,8 +116,9 @@ show_client_class(struct seq_file *m,
total += busy_add(ctx, class);
rcu_read_unlock();
seq_printf(m, "drm-engine-%s:\t%llu ns\n",
uabi_class_names[class], total);
if (capacity)
seq_printf(m, "drm-engine-%s:\t%llu ns\n",
uabi_class_names[class], total);
if (capacity > 1)
seq_printf(m, "drm-engine-capacity-%s:\t%u\n",