tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 454c576c3f5e51d60f00a4ac0dde07f4f9d70e9d commit: b64d6c51380b7dea17d5503a250ca9cc84025453 [317/9190] drm/i915/display: Support PSR Multiple Instances compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> cppcheck possible warnings: (new ones prefixed by >>, may not real problems) >> drivers/gpu/drm/i915/display/intel_psr.c:1517:30: warning: Redundant condition: intel_dp->psr.enabled. '!A || (A && B)' is equivalent to '!A || B' [redundantCondition] if (!intel_dp->psr.enabled || ^ drivers/gpu/drm/i915/display/intel_psr.c:362:11: warning: Same expression on both sides of '-'. [duplicateExpression] [3] = 1 - 1, ^ vim +1517 drivers/gpu/drm/i915/display/intel_psr.c c43dbcbbcc8c51 drivers/gpu/drm/i915/intel_psr.c Tarun Vyas 2018-06-27 1495 b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1496 /** b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1497 * intel_psr_wait_for_idle - wait for PSR1 to idle b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1498 * @new_crtc_state: new CRTC state b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1499 * b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1500 * This function is expected to be called from pipe_update_start() where it is b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1501 * not expected to race with PSR enable or disable. b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1502 */ b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1503 void intel_psr_wait_for_idle(const struct intel_crtc_state *new_crtc_state) b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1504 { b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1505 struct drm_i915_private *dev_priv = to_i915(new_crtc_state->uapi.crtc->dev); b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1506 struct intel_encoder *encoder; b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1507 b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1508 if (!new_crtc_state->has_psr) b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1509 return; b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1510 b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1511 for_each_intel_encoder_mask_can_psr(&dev_priv->drm, encoder, b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1512 new_crtc_state->uapi.encoder_mask) { b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1513 struct intel_dp *intel_dp = enc_to_intel_dp(encoder); b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1514 u32 psr_status; b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1515 b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1516 mutex_lock(&intel_dp->psr.lock); b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 @1517 if (!intel_dp->psr.enabled || b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1518 (intel_dp->psr.enabled && intel_dp->psr.psr2_enabled)) { b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1519 mutex_unlock(&intel_dp->psr.lock); b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1520 continue; b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1521 } b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1522 b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1523 /* when the PSR1 is enabled */ b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1524 if (psr_wait_for_idle(intel_dp, &psr_status)) b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1525 drm_err(&dev_priv->drm, b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1526 "PSR idle timed out 0x%x, atomic update may fail\n", b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1527 psr_status); b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1528 mutex_unlock(&intel_dp->psr.lock); b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1529 } b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1530 } b64d6c51380b7d drivers/gpu/drm/i915/display/intel_psr.c Gwan-gyeong Mun 2021-02-04 1531 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
