1# SPDX-License-Identifier: MIT 2# Copyright © 2019-2024 Advanced Micro Devices, Inc. All rights reserved. 3 4menu "Display Engine Configuration" 5 depends on DRM && DRM_AMDGPU 6 7config DRM_AMD_DC 8 bool "AMD DC - Enable new display engine" 9 default y 10 depends on BROKEN || !CC_IS_CLANG || ARM64 || LOONGARCH || RISCV || SPARC64 || X86_64 11 select CEC_CORE 12 select CEC_NOTIFIER 13 select SND_HDA_COMPONENT if SND_HDA_CORE 14 # !CC_IS_CLANG: https://github.com/ClangBuiltLinux/linux/issues/1752 15 select DRM_AMD_DC_FP if ARCH_HAS_KERNEL_FPU_SUPPORT && !(CC_IS_CLANG && (ARM64 || LOONGARCH || RISCV)) 16 help 17 Choose this option if you want to use the new display engine 18 support for AMDGPU. This adds required support for Vega and 19 Raven ASICs. 20 21 calculate_bandwidth() is presently broken on all !(X86_64 || SPARC64 || 22 ARM64 || LOONGARCH || RISCV) architectures built with Clang (all released 23 versions), whereby the stack frame gets blown up to well over 5k. This 24 would cause an immediate kernel panic on most architectures. We'll revert 25 this when the following bug report has been resolved: 26 https://github.com/llvm/llvm-project/issues/41896. 27 28config DRM_AMD_DC_FP 29 def_bool n 30 help 31 Floating point support, required for DCN-based SoCs 32 33config DRM_AMD_DC_SI 34 bool "AMD DC support for Southern Islands ASICs" 35 depends on DRM_AMDGPU_SI 36 depends on DRM_AMD_DC 37 help 38 Choose this option to enable new AMD DC support for SI asics 39 by default. This includes Tahiti, Pitcairn, Cape Verde, Oland. 40 Hainan is not supported by AMD DC and it has no physical DCE6. 41 42config DEBUG_KERNEL_DC 43 bool "Enable kgdb break in DC" 44 depends on DRM_AMD_DC 45 depends on KGDB 46 help 47 Choose this option if you want to hit kdgb_break in assert. 48 49config DRM_AMD_SECURE_DISPLAY 50 bool "Enable secure display support" 51 depends on DEBUG_FS 52 depends on DRM_AMD_DC_FP 53 help 54 Choose this option if you want to support secure display 55 56 This option enables the calculation of crc of specific region via 57 debugfs. Cooperate with specific DMCU FW. 58 59endmenu 60