| Message ID | CAHp75Vdi35+9_4s1OzFRs-G0w0_vcAkKa2av_BWU+Axu1sYskg@mail.gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Fwd: [PATCH] drm/i915: Fix enable OA report logic | expand |
On Wed, 08 Jan 2020, Andy Shevchenko <andy.shevchenko@gmail.com> wrote: > I forwarding this to a (sub)set of correct MLs/maintainers. Please, > follow the instructions they give. Thanks, already fixed by commit 9278bbb6e43c ("drm/i915/perf: Reverse a ternary to make sparse happy") in our -next. BR, Jani. > > ---------- Forwarded message --------- > From: Ebrahim Byagowi <ebrahim@gnu.org> > Date: Mon, Dec 23, 2019 at 12:17 PM > Subject: [PATCH] drm/i915: Fix enable OA report logic > To: <platform-driver-x86@vger.kernel.org> > > > > Clang raises > > drivers/gpu/drm/i915/i915_perf.c:2474:50: warning: operator '?:' has > lower precedence than '|'; '|' will be evaluated first > [-Wbitwise-conditional-parentheses] > !(stream->sample_flags & SAMPLE_OA_REPORT) ? > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^ > drivers/gpu/drm/i915/i915_perf.c:2474:50: note: place parentheses > around the '|' expression to silence this warning > !(stream->sample_flags & SAMPLE_OA_REPORT) ? > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^ > drivers/gpu/drm/i915/i915_perf.c:2474:50: note: place parentheses > around the '?:' expression to evaluate it first > !(stream->sample_flags & SAMPLE_OA_REPORT) ? > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^ > > with -Wbitwise-conditional-parentheses and apparently is right > as '|' is evaluated before '?:' which doesn't seem to be the intention > here so let's put parentheses in the right place to fix it. > > Signed-off-by: Ebrahim Byagowi <ebrahim@gnu.org> > --- > drivers/gpu/drm/i915/i915_perf.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c > index 2ae14bc14931..db963f7c2e2e 100644 > --- a/drivers/gpu/drm/i915/i915_perf.c > +++ b/drivers/gpu/drm/i915/i915_perf.c > @@ -2471,9 +2471,9 @@ static int gen12_enable_metric_set(struct > i915_perf_stream *stream) > * 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)); > + (!(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))); > > intel_uncore_write(uncore, GEN12_OAG_OAGLBCTXCTRL, periodic ? > (GEN12_OAG_OAGLBCTXCTRL_COUNTER_RESUME | > -- > 2.24.0
diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index 2ae14bc14931..db963f7c2e2e 100644 --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -2471,9 +2471,9 @@ static int gen12_enable_metric_set(struct i915_perf_stream *stream) * 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)); + (!(stream->sample_flags & SAMPLE_OA_REPORT) ? +