CC: [email protected] CC: [email protected] CC: [email protected] TO: Maxime Ripard <[email protected]> CC: Dave Stevenson <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 0280e3c58f92b2fe0e8fbbdf8d386449168de4a8 commit: 16e101051f329f5f3f2dd810f3687d166580aa3a drm/vc4: Increase the core clock based on HVS load date: 3 months ago :::::: branch date: 2 days ago :::::: commit date: 3 months ago config: arm-randconfig-c002-20220125 (https://download.01.org/0day-ci/archive/20220127/[email protected]/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 997e128e2a78f5a5434fc75997441ae1ee76f8a4) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=16e101051f329f5f3f2dd810f3687d166580aa3a git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 16e101051f329f5f3f2dd810f3687d166580aa3a # save the config file to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm clang-analyzer If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> clang-analyzer warnings: (new ones prefixed by >>) include/linux/list.h:522:2: note: expanded from macro 'list_first_entry' list_entry((ptr)->next, type, member) ^ include/linux/list.h:511:2: note: expanded from macro 'list_entry' container_of(ptr, type, member) ^ include/linux/kernel.h:495:61: note: expanded from macro 'container_of' BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \ ^ drivers/mailbox/mtk-cmdq-mailbox.c:430:2: note: Taking false branch list_for_each_entry_safe(task, tmp, &thread->task_busy_list, ^ include/linux/list.h:715:13: note: expanded from macro 'list_for_each_entry_safe' for (pos = list_first_entry(head, typeof(*pos), member), \ ^ include/linux/list.h:522:2: note: expanded from macro 'list_first_entry' list_entry((ptr)->next, type, member) ^ include/linux/list.h:511:2: note: expanded from macro 'list_entry' container_of(ptr, type, member) ^ note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:322:2: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ^ include/linux/compiler_types.h:310:2: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ^ include/linux/compiler_types.h:302:3: note: expanded from macro '__compiletime_assert' if (!(condition)) \ ^ drivers/mailbox/mtk-cmdq-mailbox.c:430:2: note: Loop condition is false. Exiting loop list_for_each_entry_safe(task, tmp, &thread->task_busy_list, ^ include/linux/list.h:715:13: note: expanded from macro 'list_for_each_entry_safe' for (pos = list_first_entry(head, typeof(*pos), member), \ ^ include/linux/list.h:522:2: note: expanded from macro 'list_first_entry' list_entry((ptr)->next, type, member) ^ include/linux/list.h:511:2: note: expanded from macro 'list_entry' container_of(ptr, type, member) ^ note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:322:2: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ^ include/linux/compiler_types.h:310:2: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ^ include/linux/compiler_types.h:300:2: note: expanded from macro '__compiletime_assert' do { \ ^ drivers/mailbox/mtk-cmdq-mailbox.c:430:2: note: Use of memory after it is freed list_for_each_entry_safe(task, tmp, &thread->task_busy_list, ^ include/linux/list.h:716:7: note: expanded from macro 'list_for_each_entry_safe' n = list_next_entry(pos, member); \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:555:2: note: expanded from macro 'list_next_entry' list_entry((pos)->member.next, typeof(*(pos)), member) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:511:2: note: expanded from macro 'list_entry' container_of(ptr, type, member) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/kernel.h:494:25: note: expanded from macro 'container_of' void *__mptr = (void *)(ptr); \ ^~~~~ Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 8 warnings generated. drivers/gpu/drm/v3d/v3d_debugfs.c:139:2: warning: Value stored to 'ident0' is never read [clang-analyzer-deadcode.DeadStores] ident0 = V3D_READ(V3D_HUB_IDENT0); ^ drivers/gpu/drm/v3d/v3d_debugfs.c:139:2: note: Value stored to 'ident0' is never read Suppressed 7 warnings (7 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 8 warnings generated. drivers/gpu/drm/vc4/vc4_bo.c:358:2: warning: Value stored to 'size' is never read [clang-analyzer-deadcode.DeadStores] size = roundup(size, PAGE_SIZE); ^ drivers/gpu/drm/vc4/vc4_bo.c:358:2: note: Value stored to 'size' is never read Suppressed 7 warnings (7 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 8 warnings generated. >> drivers/gpu/drm/vc4/vc4_crtc.c:671:34: warning: Value stored to 'mode' >> during its initialization is never read [clang-analyzer-deadcode.DeadStores] const struct drm_display_mode *mode = &crtc_state->adjusted_mode; ^~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/vc4/vc4_crtc.c:671:34: note: Value stored to 'mode' during its initialization is never read const struct drm_display_mode *mode = &crtc_state->adjusted_mode; ^~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~ Suppressed 7 warnings (7 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 1 warning generated. Suppressed 1 warnings (1 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 7 warnings generated. drivers/spi/spi-cadence-quadspi.c:1401:22: warning: Value stored to 'np' during its initialization is never read [clang-analyzer-deadcode.DeadStores] struct device_node *np = dev->of_node; ^~ ~~~~~~~~~~~~ drivers/spi/spi-cadence-quadspi.c:1401:22: note: Value stored to 'np' during its initialization is never read struct device_node *np = dev->of_node; ^~ ~~~~~~~~~~~~ Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 7 warnings generated. drivers/spi/spi-dw-core.c:334:13: warning: Division by zero [clang-analyzer-core.DivideZero] clk_div = (DIV_ROUND_UP(dws->max_freq, cfg->freq) + 1) & 0xfffe; ^ include/linux/math.h:36:22: note: expanded from macro 'DIV_ROUND_UP' #define DIV_ROUND_UP __KERNEL_DIV_ROUND_UP ^ include/uapi/linux/const.h:34:54: note: expanded from macro '__KERNEL_DIV_ROUND_UP' #define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d)) ^ drivers/spi/spi-dw-core.c:666:6: note: Assuming 'ret' is 0 if (ret) ^~~ drivers/spi/spi-dw-core.c:666:2: note: Taking false branch if (ret) ^ drivers/spi/spi-dw-core.c:674:13: note: Assuming '__UNIQUE_ID___x300' is <= '__UNIQUE_ID___y301' cfg.freq = clamp(mem->spi->max_speed_hz, 0U, dws->max_mem_freq); ^ include/linux/minmax.h:89:45: note: expanded from macro 'clamp' #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi) ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~ include/linux/minmax.h:52:19: note: expanded from macro 'max' #define max(x, y) __careful_cmp(x, y, >) ^ include/linux/minmax.h:38:3: note: expanded from macro '__careful_cmp' __cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op)) ^ note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/minmax.h:45:33: note: expanded from macro 'min' #define min(x, y) __careful_cmp(x, y, <) ~~~~~~~~~~~~~~^~~~~~~~ include/linux/minmax.h:38:14: note: expanded from macro '__careful_cmp' __cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op)) ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/minmax.h:31:25: note: expanded from macro '__cmp_once' typeof(x) unique_x = (x); \ ^ drivers/spi/spi-dw-core.c:674:13: note: '?' condition is false cfg.freq = clamp(mem->spi->max_speed_hz, 0U, dws->max_mem_freq); ^ include/linux/minmax.h:89:45: note: expanded from macro 'clamp' #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi) ^ include/linux/minmax.h:52:19: note: expanded from macro 'max' #define max(x, y) __careful_cmp(x, y, >) ^ include/linux/minmax.h:38:3: note: expanded from macro '__careful_cmp' __cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op)) ^ include/linux/minmax.h:33:3: note: expanded from macro '__cmp_once' __cmp(unique_x, unique_y, op); }) ^ include/linux/minmax.h:28:26: note: expanded from macro '__cmp' #define __cmp(x, y, op) ((x) op (y) ? (x) : (y)) ^ drivers/spi/spi-dw-core.c:674:13: note: Assuming '__UNIQUE_ID___x302' is >= '__UNIQUE_ID___y303' cfg.freq = clamp(mem->spi->max_speed_hz, 0U, dws->max_mem_freq); ^ include/linux/minmax.h:89:28: note: expanded from macro 'clamp' #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/minmax.h:45:19: note: expanded from macro 'min' #define min(x, y) __careful_cmp(x, y, <) ^~~~~~~~~~~~~~~~~~~~~~ include/linux/minmax.h:38:3: note: expanded from macro '__careful_cmp' vim +/mode +671 drivers/gpu/drm/vc4/vc4_crtc.c 666e73587f90f4 Boris Brezillon 2018-12-06 653 c8b75bca92cbf0 Eric Anholt 2015-03-02 654 static int vc4_crtc_atomic_check(struct drm_crtc *crtc, 29b77ad7b9ca8c Maxime Ripard 2020-10-28 655 struct drm_atomic_state *state) c8b75bca92cbf0 Eric Anholt 2015-03-02 656 { 29b77ad7b9ca8c Maxime Ripard 2020-10-28 657 struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, 29b77ad7b9ca8c Maxime Ripard 2020-10-28 658 crtc); 29b77ad7b9ca8c Maxime Ripard 2020-10-28 659 struct vc4_crtc_state *vc4_state = to_vc4_crtc_state(crtc_state); 008095e065a85a Boris Brezillon 2018-07-03 660 struct drm_connector *conn; 008095e065a85a Boris Brezillon 2018-07-03 661 struct drm_connector_state *conn_state; 16e101051f329f Maxime Ripard 2021-10-25 662 struct drm_encoder *encoder; 008095e065a85a Boris Brezillon 2018-07-03 663 int ret, i; c8b75bca92cbf0 Eric Anholt 2015-03-02 664 ee6965c864e3f5 Maxime Ripard 2020-12-15 665 ret = vc4_hvs_atomic_check(crtc, state); d8dbf44f13b911 Eric Anholt 2015-12-28 666 if (ret) d8dbf44f13b911 Eric Anholt 2015-12-28 667 return ret; c8b75bca92cbf0 Eric Anholt 2015-03-02 668 16e101051f329f Maxime Ripard 2021-10-25 669 encoder = vc4_get_crtc_encoder(crtc, crtc_state); 16e101051f329f Maxime Ripard 2021-10-25 670 if (encoder) { 16e101051f329f Maxime Ripard 2021-10-25 @671 const struct drm_display_mode *mode = &crtc_state->adjusted_mode; 16e101051f329f Maxime Ripard 2021-10-25 672 struct vc4_encoder *vc4_encoder = to_vc4_encoder(encoder); 16e101051f329f Maxime Ripard 2021-10-25 673 16e101051f329f Maxime Ripard 2021-10-25 674 mode = &crtc_state->adjusted_mode; 16e101051f329f Maxime Ripard 2021-10-25 675 if (vc4_encoder->type == VC4_ENCODER_TYPE_HDMI0) { 16e101051f329f Maxime Ripard 2021-10-25 676 vc4_state->hvs_load = max(mode->clock * mode->hdisplay / mode->htotal + 1000, 16e101051f329f Maxime Ripard 2021-10-25 677 mode->clock * 9 / 10) * 1000; 16e101051f329f Maxime Ripard 2021-10-25 678 } else { 16e101051f329f Maxime Ripard 2021-10-25 679 vc4_state->hvs_load = mode->clock * 1000; 16e101051f329f Maxime Ripard 2021-10-25 680 } 16e101051f329f Maxime Ripard 2021-10-25 681 } 16e101051f329f Maxime Ripard 2021-10-25 682 d74252bb8f0e38 Maxime Ripard 2020-11-02 683 for_each_new_connector_in_state(state, conn, conn_state, 29b77ad7b9ca8c Maxime Ripard 2020-10-28 684 i) { 008095e065a85a Boris Brezillon 2018-07-03 685 if (conn_state->crtc != crtc) 008095e065a85a Boris Brezillon 2018-07-03 686 continue; 008095e065a85a Boris Brezillon 2018-07-03 687 666e73587f90f4 Boris Brezillon 2018-12-06 688 vc4_state->margins.left = conn_state->tv.margins.left; 666e73587f90f4 Boris Brezillon 2018-12-06 689 vc4_state->margins.right = conn_state->tv.margins.right; 666e73587f90f4 Boris Brezillon 2018-12-06 690 vc4_state->margins.top = conn_state->tv.margins.top; 666e73587f90f4 Boris Brezillon 2018-12-06 691 vc4_state->margins.bottom = conn_state->tv.margins.bottom; 008095e065a85a Boris Brezillon 2018-07-03 692 break; 008095e065a85a Boris Brezillon 2018-07-03 693 } 008095e065a85a Boris Brezillon 2018-07-03 694 c8b75bca92cbf0 Eric Anholt 2015-03-02 695 return 0; c8b75bca92cbf0 Eric Anholt 2015-03-02 696 } c8b75bca92cbf0 Eric Anholt 2015-03-02 697 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected] _______________________________________________ kbuild mailing list -- [email protected] To unsubscribe send an email to [email protected]
