a28e4b672f
Now that all previously-supported architectures select ARCH_HAS_KERNEL_FPU_SUPPORT, this code can depend on that symbol instead of the existing list of architectures. It can also take advantage of the common kernel-mode FPU API and method of adjusting CFLAGS. Link: https://lkml.kernel.org/r/20240329072441.591471-14-samuel.holland@sifive.com Signed-off-by: Samuel Holland <samuel.holland@sifive.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Acked-by: Christian König <christian.koenig@amd.com> Cc: Borislav Petkov (AMD) <bp@alien8.de> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Huacai Chen <chenhuacai@kernel.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Masahiro Yamada <masahiroy@kernel.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Nathan Chancellor <nathan@kernel.org> Cc: Nicolas Schier <nicolas@fjasle.eu> Cc: Palmer Dabbelt <palmer@rivosinc.com> Cc: Russell King <linux@armlinux.org.uk> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: WANG Xuerui <git@xen0n.name> Cc: Will Deacon <will@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
54 lines
1.8 KiB
Text
54 lines
1.8 KiB
Text
# SPDX-License-Identifier: MIT
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menu "Display Engine Configuration"
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depends on DRM && DRM_AMDGPU
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config DRM_AMD_DC
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bool "AMD DC - Enable new display engine"
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default y
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depends on BROKEN || !CC_IS_CLANG || ARM64 || RISCV || SPARC64 || X86_64
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select SND_HDA_COMPONENT if SND_HDA_CORE
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# !CC_IS_CLANG: https://github.com/ClangBuiltLinux/linux/issues/1752
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select DRM_AMD_DC_FP if ARCH_HAS_KERNEL_FPU_SUPPORT && (!ARM64 || !CC_IS_CLANG)
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help
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Choose this option if you want to use the new display engine
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support for AMDGPU. This adds required support for Vega and
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Raven ASICs.
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calculate_bandwidth() is presently broken on all !(X86_64 || SPARC64 || ARM64)
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architectures built with Clang (all released versions), whereby the stack
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frame gets blown up to well over 5k. This would cause an immediate kernel
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panic on most architectures. We'll revert this when the following bug report
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has been resolved: https://github.com/llvm/llvm-project/issues/41896.
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config DRM_AMD_DC_FP
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def_bool n
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help
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Floating point support, required for DCN-based SoCs
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config DRM_AMD_DC_SI
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bool "AMD DC support for Southern Islands ASICs"
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depends on DRM_AMDGPU_SI
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depends on DRM_AMD_DC
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help
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Choose this option to enable new AMD DC support for SI asics
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by default. This includes Tahiti, Pitcairn, Cape Verde, Oland.
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Hainan is not supported by AMD DC and it has no physical DCE6.
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config DEBUG_KERNEL_DC
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bool "Enable kgdb break in DC"
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depends on DRM_AMD_DC
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depends on KGDB
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help
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Choose this option if you want to hit kdgb_break in assert.
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config DRM_AMD_SECURE_DISPLAY
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bool "Enable secure display support"
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depends on DEBUG_FS
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depends on DRM_AMD_DC_FP
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help
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Choose this option if you want to support secure display
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This option enables the calculation of crc of specific region via
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debugfs. Cooperate with specific DMCU FW.
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endmenu
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