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# SPDX-License-Identifier: MIT
# Copyright © 2019-2024 Advanced Micro Devices, Inc. All rights reserved.
menu "Display Engine Configuration"
depends on DRM && DRM_AMDGPU
config DRM_AMD_DC
bool "AMD DC - Enable new display engine"
default y
depends on BROKEN || !CC_IS_CLANG || ARM64 || RISCV || SPARC64 || X86_64
select SND_HDA_COMPONENT if SND_HDA_CORE
# !CC_IS_CLANG: https://github.com/ClangBuiltLinux/linux/issues/1752
select DRM_AMD_DC_FP if ARCH_HAS_KERNEL_FPU_SUPPORT && (!ARM64 || !CC_IS_CLANG)
help
Choose this option if you want to use the new display engine
support for AMDGPU. This adds required support for Vega and
Raven ASICs.
calculate_bandwidth() is presently broken on all !(X86_64 || SPARC64 || ARM64)
architectures built with Clang (all released versions), whereby the stack
frame gets blown up to well over 5k. This would cause an immediate kernel
panic on most architectures. We'll revert this when the following bug report
has been resolved: https://github.com/llvm/llvm-project/issues/41896.
config DRM_AMD_DC_FP
def_bool n
help
Floating point support, required for DCN-based SoCs
config DRM_AMD_DC_SI
bool "AMD DC support for Southern Islands ASICs"
depends on DRM_AMDGPU_SI
depends on DRM_AMD_DC
help
Choose this option to enable new AMD DC support for SI asics
by default. This includes Tahiti, Pitcairn, Cape Verde, Oland.
Hainan is not supported by AMD DC and it has no physical DCE6.
config DEBUG_KERNEL_DC
bool "Enable kgdb break in DC"
depends on DRM_AMD_DC
depends on KGDB
help
Choose this option if you want to hit kdgb_break in assert.
config DRM_AMD_SECURE_DISPLAY
bool "Enable secure display support"
depends on DEBUG_FS
depends on DRM_AMD_DC_FP
help
Choose this option if you want to support secure display
This option enables the calculation of crc of specific region via
debugfs. Cooperate with specific DMCU FW.
endmenu
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