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authorTvrtko Ursulin <tvrtko.ursulin@intel.com>2022-06-16 15:00:56 +0100
committerJani Nikula <jani.nikula@intel.com>2022-06-20 13:07:49 +0300
commit3828296ad6242c25d2679d32a377b8e07c6b08c0 (patch)
treef5346ebbc786ddead2cadf685d0ba0de34d19c2b /drivers
parent13bd259b64bb58ae130923ada42ebc19bf3f2fa2 (diff)
downloadlinux-3828296ad6242c25d2679d32a377b8e07c6b08c0.tar.bz2
drm/i915/fdinfo: Don't show engine classes not present
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/i915/i915_drm_client.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_drm_client.c b/drivers/gpu/drm/i915/i915_drm_client.c
index 18d38cb59923..b09d1d386574 100644
--- 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",