tree: git://people.freedesktop.org/~agd5f/linux.git amd-staging-4.9 head: 677efd69b448d24dd74e0dfb1d74fb6408c9df81 commit: 9ca8070c97b1eb2b948f065fdbccc15b6e8be639 [3/17] drm/amd/display: rename bandwidth_calcs.c to dce_calcs.c (v2) config: parisc-allyesconfig (attached as .config) compiler: hppa-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 9ca8070c97b1eb2b948f065fdbccc15b6e8be639 # save the attached .config to linux build tree make.cross ARCH=parisc

All warnings (new ones prefixed by >>):

drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dce_calcs.c: In function 'calculate_bandwidth':

...

drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dce_calcs.c:531:5: warning: this decimal constant is unsigned only in ISO C90

data->lb_line_pitch = bw_ceil2(bw_mul(bw_div(bw_frc_to_fixed(2401171875, 100000000), bw_int_to_fixed(3)), bw_ceil2(data->source_width_in_lb, bw_int_to_fixed(8))), bw_int_to_fixed(48)); ^~~~

vim +531 drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dce_calcs.c

bad4c165 drivers/gpu/drm/amd/display/dc/calcs/bandwidth_calcs.c Harry Wentland 2015-11-25 515 } bad4c165 drivers/gpu/drm/amd/display/dc/calcs/bandwidth_calcs.c Harry Wentland 2015-11-25 516 } bad4c165 drivers/gpu/drm/amd/display/dc/calcs/bandwidth_calcs.c Harry Wentland 2015-11-25 517 } bad4c165 drivers/gpu/drm/amd/display/dc/calcs/bandwidth_calcs.c Harry Wentland 2015-11-25 518 } bad4c165 drivers/gpu/drm/amd/display/dc/calcs/bandwidth_calcs.c Harry Wentland 2015-11-25 519 } bad4c165 drivers/gpu/drm/amd/display/dc/calcs/bandwidth_calcs.c Harry Wentland 2015-11-25 520 lb_size_check = bw_def_ok; bad4c165 drivers/gpu/drm/amd/display/dc/calcs/bandwidth_calcs.c Harry Wentland 2015-11-25 521 for (i = 0; i <= maximum_number_of_surfaces - 1; i++) { bad4c165 drivers/gpu/drm/amd/display/dc/calcs/bandwidth_calcs.c Harry Wentland 2015-11-25 522 if (data->enable[i]) { bad4c165 drivers/gpu/drm/amd/display/dc/calcs/bandwidth_calcs.c Harry Wentland 2015-11-25 523 if ((dceip->pre_downscaler_enabled && bw_mtn(data->hsr[i], bw_int_to_fixed(1)))) { bad4c165 drivers/gpu/drm/amd/display/dc/calcs/bandwidth_calcs.c Harry Wentland 2015-11-25 524 data->source_width_in_lb = bw_div(data->source_width_pixels[i], data->hsr[i]); bad4c165 drivers/gpu/drm/amd/display/dc/calcs/bandwidth_calcs.c Harry Wentland 2015-11-25 525 } bad4c165 drivers/gpu/drm/amd/display/dc/calcs/bandwidth_calcs.c Harry Wentland 2015-11-25 526 else { bad4c165 drivers/gpu/drm/amd/display/dc/calcs/bandwidth_calcs.c Harry Wentland 2015-11-25 527 data->source_width_in_lb = data->source_width_pixels[i]; bad4c165 drivers/gpu/drm/amd/display/dc/calcs/bandwidth_calcs.c Harry Wentland 2015-11-25 528 } bad4c165 drivers/gpu/drm/amd/display/dc/calcs/bandwidth_calcs.c Harry Wentland 2015-11-25 529 switch (data->lb_bpc[i]) { bad4c165 drivers/gpu/drm/amd/display/dc/calcs/bandwidth_calcs.c Harry Wentland 2015-11-25 530 case 8: bad4c165 drivers/gpu/drm/amd/display/dc/calcs/bandwidth_calcs.c Harry Wentland 2015-11-25 @531 data->lb_line_pitch = bw_ceil2(bw_mul(bw_div(bw_frc_to_fixed(2401171875, 100000000), bw_int_to_fixed(3)), bw_ceil2(data->source_width_in_lb, bw_int_to_fixed(8))), bw_int_to_fixed(48)); bad4c165 drivers/gpu/drm/amd/display/dc/calcs/bandwidth_calcs.c Harry Wentland 2015-11-25 532 break; bad4c165 drivers/gpu/drm/amd/display/dc/calcs/bandwidth_calcs.c Harry Wentland 2015-11-25 533 case 10: bad4c165 drivers/gpu/drm/amd/display/dc/calcs/bandwidth_calcs.c Harry Wentland 2015-11-25 534 data->lb_line_pitch = bw_ceil2(bw_mul(bw_div(bw_frc_to_fixed(300234375, 10000000), bw_int_to_fixed(3)), bw_ceil2(data->source_width_in_lb, bw_int_to_fixed(8))), bw_int_to_fixed(48)); bad4c165 drivers/gpu/drm/amd/display/dc/calcs/bandwidth_calcs.c Harry Wentland 2015-11-25 535 break; bad4c165 drivers/gpu/drm/amd/display/dc/calcs/bandwidth_calcs.c Harry Wentland 2015-11-25 536 default: bad4c165 drivers/gpu/drm/amd/display/dc/calcs/bandwidth_calcs.c Harry Wentland 2015-11-25 537 data->lb_line_pitch = bw_ceil2(bw_mul(bw_int_to_fixed(data->lb_bpc[i]), data->source_width_in_lb), bw_int_to_fixed(48)); bad4c165 drivers/gpu/drm/amd/display/dc/calcs/bandwidth_calcs.c Harry Wentland 2015-11-25 538 break; bad4c165 drivers/gpu/drm/amd/display/dc/calcs/bandwidth_calcs.c Harry Wentland 2015-11-25 539 }

:::::: The code at line 531 was first introduced by commit :::::: bad4c165a6986a131cdd1455507ba3857baaa561 drm/amd/dc: Add dc display driver

:::::: TO: Harry Wentland harry.wentland@amd.com :::::: CC: Alex Deucher alexander.deucher@amd.com

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