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drm/i915/perf: remove user triggerable warn 

Don't throw a warning if we are given an invalid property id. While
here let's also bring back Robert' original idea of catching unhandled
enumeration values at compile time.

Fixes: eec688e142 ("drm/i915: Add i915 perf infrastructure")
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Robert Bragg <robert@sixbynine.org>
Reviewed-by: Robert Bragg <robert@sixbynine.org>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170327203236.18276-1-matthew.auld@intel.com
(cherry picked from commit 0a309f9e3d)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Matthew Auld 2017-03-27 21:32:36 +01:00 committed by Jani Nikula
parent 4e5f713ffc
commit aa62acfd63
1 changed files with 6 additions and 2 deletions
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8
drivers/gpu/drm/i915/i915_perf.c
View File

@ -1794,6 +1794,11 @@ static int read_properties_unlocked(struct drm_i915_private *dev_priv,
if (ret)
return ret;
if (id == 0 || id >= DRM_I915_PERF_PROP_MAX) {
DRM_DEBUG("Unknown i915 perf property ID\n");
return -EINVAL;
}
switch ((enum drm_i915_perf_property_id)id) {
case DRM_I915_PERF_PROP_CTX_HANDLE:
props->single_context = 1;
@ -1863,9 +1868,8 @@ static int read_properties_unlocked(struct drm_i915_private *dev_priv,
props->oa_periodic = true;
props->oa_period_exponent = value;
break;
default:
case DRM_I915_PERF_PROP_MAX:
MISSING_CASE(id);
DRM_DEBUG("Unknown i915 perf property ID\n");
return -EINVAL;
}