tree: git://anongit.freedesktop.org/drm-intel drm-intel-next-queued head: 00a7f0d7155c28ab18600bcf3f62d7cade2a870d commit: 00a7f0d7155c28ab18600bcf3f62d7cade2a870d [2/2] drm/i915/tgl: Add perf support on TGL reproduce: # apt-get install sparse # sparse version: v0.6.1-dirty git checkout 00a7f0d7155c28ab18600bcf3f62d7cade2a870d make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

If you fix the issue, kindly add following tag Reported-by: kbuild test robot lkp@intel.com

sparse warnings: (new ones prefixed by >>)

...

drivers/gpu/drm/i915/i915_perf.c:2442:85: sparse: sparse: dubious: x | !y

vim +2442 drivers/gpu/drm/i915/i915_perf.c

2430 2431 static int gen12_enable_metric_set(struct i915_perf_stream *stream) 2432 { 2433 struct intel_uncore *uncore = stream->uncore; 2434 struct i915_oa_config *oa_config = stream->oa_config; 2435 bool periodic = stream->periodic; 2436 u32 period_exponent = stream->period_exponent; 2437 int ret; 2438 2439 intel_uncore_write(uncore, GEN12_OAG_OA_DEBUG, 2440 /* Disable clk ratio reports, like previous Gens. */ 2441 _MASKED_BIT_ENABLE(GEN12_OAG_OA_DEBUG_DISABLE_CLK_RATIO_REPORTS |

2442 GEN12_OAG_OA_DEBUG_INCLUDE_CLK_RATIO) |

2443 /* 2444 * If the user didn't require OA reports, instruct the 2445 * hardware not to emit ctx switch reports. 2446 */ 2447 !(stream->sample_flags & SAMPLE_OA_REPORT) ? 2448 _MASKED_BIT_ENABLE(GEN12_OAG_OA_DEBUG_DISABLE_CTX_SWITCH_REPORTS) : 2449 _MASKED_BIT_DISABLE(GEN12_OAG_OA_DEBUG_DISABLE_CTX_SWITCH_REPORTS)); 2450 2451 intel_uncore_write(uncore, GEN12_OAG_OAGLBCTXCTRL, periodic ? 2452 (GEN12_OAG_OAGLBCTXCTRL_COUNTER_RESUME | 2453 GEN12_OAG_OAGLBCTXCTRL_TIMER_ENABLE | 2454 (period_exponent << GEN12_OAG_OAGLBCTXCTRL_TIMER_PERIOD_SHIFT)) 2455 : 0); 2456 2457 /* 2458 * Update all contexts prior writing the mux configurations as we need 2459 * to make sure all slices/subslices are ON before writing to NOA 2460 * registers. 2461 */ 2462 ret = lrc_configure_all_contexts(stream, oa_config); 2463 if (ret) 2464 return ret; 2465 2466 /* 2467 * For Gen12, performance counters are context 2468 * saved/restored. Only enable it for the context that 2469 * requested this. 2470 */ 2471 if (stream->ctx) { 2472 ret = gen12_emit_oar_config(stream->pinned_ctx, 2473 oa_config != NULL); 2474 if (ret) 2475 return ret; 2476 } 2477 2478 return emit_oa_config(stream, oa_config, oa_context(stream)); 2479 } 2480

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