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drm/i915/fdinfo: Don't show engine classes not present
author
Tvrtko Ursulin
<tvrtko.ursulin@intel.com>
Thu, 16 Jun 2022 14:00:56 +0000
(15:00 +0100)
committer
Jani Nikula
<jani.nikula@intel.com>
Mon, 20 Jun 2022 10:07:49 +0000
(13:07 +0300)
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: 055634e4b62f ("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
(cherry picked from commit
9f1b1d0b2242171b2891a0398def233801601c14
)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
drivers/gpu/drm/i915/i915_drm_client.c
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diff --git
a/drivers/gpu/drm/i915/i915_drm_client.c
b/drivers/gpu/drm/i915/i915_drm_client.c
index 18d38cb59923d01b760cd5ae53064bf82b93c6d2..b09d1d3865740378006cc497da2dd3b3bddf60ff 100644
(file)
--- a/
drivers/gpu/drm/i915/i915_drm_client.c
+++ b/
drivers/gpu/drm/i915/i915_drm_client.c
@@
-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",