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Date: Mon, 7 Feb 2022 07:01:59 +0800 From: kernel test robot <lkp@...el.com> To: Qingqing Zhuo <Qingqing.Zhuo@....com> Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org, Alex Deucher <alexander.deucher@....com>, Rodrigo Siqueira <Rodrigo.Siqueira@....com> Subject: drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn301/dcn301_fpu.c:304:1: warning: the frame size of 1096 bytes is larger than 1024 bytes Hi Qingqing, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: dfd42facf1e4ada021b939b4e19c935dcdd55566 commit: 31484207feb23e6cdb12827560442ab294855923 drm/amd/display: move FPU associated DCN301 code to DML folder date: 3 months ago config: i386-randconfig-r012-20220207 (https://download.01.org/0day-ci/archive/20220207/202202070626.PbnOctY3-lkp@intel.com/config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=31484207feb23e6cdb12827560442ab294855923 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 31484207feb23e6cdb12827560442ab294855923 # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@...el.com> All warnings (new ones prefixed by >>): drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn301/dcn301_fpu.c: In function 'dcn301_update_bw_bounding_box': >> drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn301/dcn301_fpu.c:304:1: warning: the frame size of 1096 bytes is larger than 1024 bytes [-Wframe-larger-than=] 304 | } | ^ vim +304 drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn301/dcn301_fpu.c 247 248 void dcn301_update_bw_bounding_box(struct dc *dc, struct clk_bw_params *bw_params) 249 { 250 struct dcn301_resource_pool *pool = TO_DCN301_RES_POOL(dc->res_pool); 251 struct clk_limit_table *clk_table = &bw_params->clk_table; 252 struct _vcs_dpi_voltage_scaling_st clock_limits[DC__VOLTAGE_STATES]; 253 unsigned int i, closest_clk_lvl; 254 int j; 255 256 dc_assert_fp_enabled(); 257 258 /* Default clock levels are used for diags, which may lead to overclocking. */ 259 if (!IS_DIAG_DC(dc->ctx->dce_environment)) { 260 dcn3_01_ip.max_num_otg = pool->base.res_cap->num_timing_generator; 261 dcn3_01_ip.max_num_dpp = pool->base.pipe_count; 262 dcn3_01_soc.num_chans = bw_params->num_channels; 263 264 ASSERT(clk_table->num_entries); 265 for (i = 0; i < clk_table->num_entries; i++) { 266 /* loop backwards*/ 267 for (closest_clk_lvl = 0, j = dcn3_01_soc.num_states - 1; j >= 0; j--) { 268 if ((unsigned int) dcn3_01_soc.clock_limits[j].dcfclk_mhz <= clk_table->entries[i].dcfclk_mhz) { 269 closest_clk_lvl = j; 270 break; 271 } 272 } 273 274 clock_limits[i].state = i; 275 clock_limits[i].dcfclk_mhz = clk_table->entries[i].dcfclk_mhz; 276 clock_limits[i].fabricclk_mhz = clk_table->entries[i].fclk_mhz; 277 clock_limits[i].socclk_mhz = clk_table->entries[i].socclk_mhz; 278 clock_limits[i].dram_speed_mts = clk_table->entries[i].memclk_mhz * 2; 279 280 clock_limits[i].dispclk_mhz = dcn3_01_soc.clock_limits[closest_clk_lvl].dispclk_mhz; 281 clock_limits[i].dppclk_mhz = dcn3_01_soc.clock_limits[closest_clk_lvl].dppclk_mhz; 282 clock_limits[i].dram_bw_per_chan_gbps = dcn3_01_soc.clock_limits[closest_clk_lvl].dram_bw_per_chan_gbps; 283 clock_limits[i].dscclk_mhz = dcn3_01_soc.clock_limits[closest_clk_lvl].dscclk_mhz; 284 clock_limits[i].dtbclk_mhz = dcn3_01_soc.clock_limits[closest_clk_lvl].dtbclk_mhz; 285 clock_limits[i].phyclk_d18_mhz = dcn3_01_soc.clock_limits[closest_clk_lvl].phyclk_d18_mhz; 286 clock_limits[i].phyclk_mhz = dcn3_01_soc.clock_limits[closest_clk_lvl].phyclk_mhz; 287 } 288 289 for (i = 0; i < clk_table->num_entries; i++) 290 dcn3_01_soc.clock_limits[i] = clock_limits[i]; 291 292 if (clk_table->num_entries) { 293 dcn3_01_soc.num_states = clk_table->num_entries; 294 /* duplicate last level */ 295 dcn3_01_soc.clock_limits[dcn3_01_soc.num_states] = dcn3_01_soc.clock_limits[dcn3_01_soc.num_states - 1]; 296 dcn3_01_soc.clock_limits[dcn3_01_soc.num_states].state = dcn3_01_soc.num_states; 297 } 298 } 299 300 dcn3_01_soc.dispclk_dppclk_vco_speed_mhz = dc->clk_mgr->dentist_vco_freq_khz / 1000.0; 301 dc->dml.soc.dispclk_dppclk_vco_speed_mhz = dc->clk_mgr->dentist_vco_freq_khz / 1000.0; 302 303 dml_init_instance(&dc->dml, &dcn3_01_soc, &dcn3_01_ip, DML_PROJECT_DCN30); > 304 } 305 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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