[Intel-gfx] [PATCH v2] drm/i915/perf: Reverse a ternary to make sparse happy
Chris Wilson
chris at chris-wilson.co.uk
Fri Nov 1 19:21:16 UTC 2019
Avoid
drivers/gpu/drm/i915/i915_perf.c:2442:85: warning: dubious: x | !y
simply by inverting the predicate and reversing the ternary.
v2: More the long lines into their own function so there is no confusion
on operator precedence.
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Umesh Nerlige Ramappa <umesh.nerlige.ramappa at intel.com>
Cc: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
---
drivers/gpu/drm/i915/i915_perf.c | 15 ++++++++++-----
1 file changed, 10 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c
index a8c2318d3d5e..1fd6bac8a4fe 100644
--- a/drivers/gpu/drm/i915/i915_perf.c
+++ b/drivers/gpu/drm/i915/i915_perf.c
@@ -2428,6 +2428,13 @@ static int gen8_enable_metric_set(struct i915_perf_stream *stream)
return emit_oa_config(stream, oa_config, oa_context(stream));
}
+static u32 report_ctx_switches(const struct i915_perf_stream *stream)
+{
+ return _MASKED_FIELD(GEN12_OAG_OA_DEBUG_DISABLE_CTX_SWITCH_REPORTS,
+ (stream->sample_flags & SAMPLE_OA_REPORT) ?
+ 0 : GEN12_OAG_OA_DEBUG_DISABLE_CTX_SWITCH_REPORTS);
+}
+
static int gen12_enable_metric_set(struct i915_perf_stream *stream)
{
struct intel_uncore *uncore = stream->uncore;
@@ -2441,12 +2448,10 @@ static int gen12_enable_metric_set(struct i915_perf_stream *stream)
_MASKED_BIT_ENABLE(GEN12_OAG_OA_DEBUG_DISABLE_CLK_RATIO_REPORTS |
GEN12_OAG_OA_DEBUG_INCLUDE_CLK_RATIO) |
/*
- * If the user didn't require OA reports, instruct the
- * hardware not to emit ctx switch reports.
+ * If the user didn't require OA reports, instruct
+ * the hardware not to emit ctx switch reports.
*/
- !(stream->sample_flags & SAMPLE_OA_REPORT) ?
- _MASKED_BIT_ENABLE(GEN12_OAG_OA_DEBUG_DISABLE_CTX_SWITCH_REPORTS) :
- _MASKED_BIT_DISABLE(GEN12_OAG_OA_DEBUG_DISABLE_CTX_SWITCH_REPORTS));
+ report_ctx_switches(stream));
intel_uncore_write(uncore, GEN12_OAG_OAGLBCTXCTRL, periodic ?
(GEN12_OAG_OAGLBCTXCTRL_COUNTER_RESUME |
--
2.24.0.rc2
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