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# SPDX-License-Identifier: MIT
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 || X86_64 || SPARC64 || ARM64
select SND_HDA_COMPONENT if SND_HDA_CORE
# !CC_IS_CLANG: https://github.com/ClangBuiltLinux/linux/issues/1752
select DRM_AMD_DC_DCN if (X86 || PPC_LONG_DOUBLE_128 || (ARM64 && KERNEL_MODE_NEON && !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_DCN
def_bool n
help
Raven, Navi, and newer family support for display engine
config DRM_AMD_DC_HDCP
bool "Enable HDCP support in DC"
depends on DRM_AMD_DC
select DRM_DISPLAY_HDCP_HELPER
help
Choose this option if you want to support HDCP authentication.
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_DCN
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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