1# SPDX-License-Identifier: MIT 2menu "Display Engine Configuration" 3 depends on DRM && DRM_AMDGPU 4 5config DRM_AMD_DC 6 bool "AMD DC - Enable new display engine" 7 default y 8 depends on BROKEN || !CC_IS_CLANG || X86_64 || SPARC64 || ARM64 9 select SND_HDA_COMPONENT if SND_HDA_CORE 10 # !CC_IS_CLANG: https://github.com/ClangBuiltLinux/linux/issues/1752 11 select DRM_AMD_DC_FP if (X86 || LOONGARCH || (PPC64 && ALTIVEC) || (ARM64 && KERNEL_MODE_NEON && !CC_IS_CLANG)) 12 help 13 Choose this option if you want to use the new display engine 14 support for AMDGPU. This adds required support for Vega and 15 Raven ASICs. 16 17 calculate_bandwidth() is presently broken on all !(X86_64 || SPARC64 || ARM64) 18 architectures built with Clang (all released versions), whereby the stack 19 frame gets blown up to well over 5k. This would cause an immediate kernel 20 panic on most architectures. We'll revert this when the following bug report 21 has been resolved: https://github.com/llvm/llvm-project/issues/41896. 22 23config DRM_AMD_DC_FP 24 def_bool n 25 help 26 Floating point support, required for DCN-based SoCs 27 28config DRM_AMD_DC_SI 29 bool "AMD DC support for Southern Islands ASICs" 30 depends on DRM_AMDGPU_SI 31 depends on DRM_AMD_DC 32 help 33 Choose this option to enable new AMD DC support for SI asics 34 by default. This includes Tahiti, Pitcairn, Cape Verde, Oland. 35 Hainan is not supported by AMD DC and it has no physical DCE6. 36 37config DEBUG_KERNEL_DC 38 bool "Enable kgdb break in DC" 39 depends on DRM_AMD_DC 40 depends on KGDB 41 help 42 Choose this option if you want to hit kdgb_break in assert. 43 44config DRM_AMD_SECURE_DISPLAY 45 bool "Enable secure display support" 46 depends on DEBUG_FS 47 depends on DRM_AMD_DC_FP 48 help 49 Choose this option if you want to support secure display 50 51 This option enables the calculation of crc of specific region via 52 debugfs. Cooperate with specific DMCU FW. 53 54endmenu 55