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_DCN if (X86 || PPC_LONG_DOUBLE_128 || (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_DCN 24 def_bool n 25 help 26 Raven, Navi, and newer family support for display engine 27 28config DRM_AMD_DC_HDCP 29 bool "Enable HDCP support in DC" 30 depends on DRM_AMD_DC 31 select DRM_DISPLAY_HDCP_HELPER 32 help 33 Choose this option if you want to support HDCP authentication. 34 35config DRM_AMD_DC_SI 36 bool "AMD DC support for Southern Islands ASICs" 37 depends on DRM_AMDGPU_SI 38 depends on DRM_AMD_DC 39 help 40 Choose this option to enable new AMD DC support for SI asics 41 by default. This includes Tahiti, Pitcairn, Cape Verde, Oland. 42 Hainan is not supported by AMD DC and it has no physical DCE6. 43 44config DEBUG_KERNEL_DC 45 bool "Enable kgdb break in DC" 46 depends on DRM_AMD_DC 47 depends on KGDB 48 help 49 Choose this option if you want to hit kdgb_break in assert. 50 51config DRM_AMD_SECURE_DISPLAY 52 bool "Enable secure display support" 53 depends on DEBUG_FS 54 depends on DRM_AMD_DC_DCN 55 help 56 Choose this option if you want to 57 support secure display 58 59 This option enables the calculation 60 of crc of specific region via debugfs. 61 Cooperate with specific DMCU FW. 62 63 64endmenu 65