math_log - Linux

drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn4_calcs.c

1759

*p->dpte_row_height = (unsigned int)(math_min2(128, (double)(1ULL << (unsigned int)math_floor2(math_log((float)(p->PTEBufferSizeInRequests * *p->PixelPTEReqWidth / p->Pitch), 2.0), 1))));

drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn4_calcs.c

1764

*p->dpte_row_height_linear = (unsigned int)1 << (unsigned int)math_floor2(math_log((float)(p->PTEBufferSizeInRequests * PixelPTEReqWidth_linear / p->Pitch), 2.0), 1);

drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn4_calcs.c

3092

p->BIGK_FRAGMENT_SIZE[k] = (unsigned int)(math_log((float)p->display_cfg->plane_descriptors[k].overrides.gpuvm_min_page_size_kbytes * 1024, 2) - 12);

drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn4_calcs.c

3380

DML_LOG_VERBOSE("DML::%s: cursor_pitch = %d\n", __func__, cursor_bpp == 2 ? 256 : (unsigned int)1 << (unsigned int)math_ceil2(math_log((float)cursor_width, 2), 1));

drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_standalone_libraries/lib_float_math.c

120

return (a + log_2) / math_log(b, 2);

drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_standalone_libraries/lib_float_math.c

127

return math_log(a, 2.0);

drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_standalone_libraries/lib_float_math.h

20

float math_log(float a, float b);