tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: bc962b35b139dd52319e6fc0f4bab00593bf38c9 commit: b8cf5b5d266ec20e1ab90f38c8d779c669c2d219 [806/1493] drm/i915/panelreplay: Initializaton and compute config for panel replay config: i386-randconfig-141-20231115 (https://download.01.org/0day-ci/archive/20231116/202311160000.dwlz2mPL-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce: (https://download.01.org/0day-ci/archive/20231116/202311160000.dwlz2mPL-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202311160000.dwlz2mPL-lkp@xxxxxxxxx/ New smatch warnings: drivers/gpu/drm/i915/display/intel_psr.c:1322 _psr_compute_config() warn: always true condition '(entry_setup_frames >= 0) => (0-255 >= 0)' Old smatch warnings: drivers/gpu/drm/i915/display/intel_psr.c:976 tgl_dc3co_exitline_compute_config() warn: ignoring unreachable code. drivers/gpu/drm/i915/display/intel_psr.c:1141 intel_psr_entry_setup_frames() warn: signedness bug returning '(-62)' drivers/gpu/drm/i915/display/intel_psr.c:1156 intel_psr_entry_setup_frames() warn: signedness bug returning '(-62)' drivers/gpu/drm/i915/display/intel_psr.c:2921 intel_psr_short_pulse() error: uninitialized symbol 'error_status'. drivers/gpu/drm/i915/display/intel_psr.c:2926 intel_psr_short_pulse() error: uninitialized symbol 'error_status'. drivers/gpu/drm/i915/display/intel_psr.c:3278 i915_psr_sink_status_show() error: uninitialized symbol 'error_status'. vim +1322 drivers/gpu/drm/i915/display/intel_psr.c 1302 1303 static bool _psr_compute_config(struct intel_dp *intel_dp, 1304 struct intel_crtc_state *crtc_state) 1305 { 1306 struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); 1307 const struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode; 1308 u8 entry_setup_frames; 1309 1310 /* 1311 * Current PSR panels don't work reliably with VRR enabled 1312 * So if VRR is enabled, do not enable PSR. 1313 */ 1314 if (crtc_state->vrr.enable) 1315 return false; 1316 1317 if (!CAN_PSR(intel_dp)) 1318 return false; 1319 1320 entry_setup_frames = intel_psr_entry_setup_frames(intel_dp, adjusted_mode); 1321 > 1322 if (entry_setup_frames >= 0) { 1323 intel_dp->psr.entry_setup_frames = entry_setup_frames; 1324 } else { 1325 drm_dbg_kms(&dev_priv->drm, 1326 "PSR condition failed: PSR setup timing not met\n"); 1327 return false; 1328 } 1329 1330 return true; 1331 } 1332 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
