From: Samuel Holland Date: Mon, 17 Jul 2023 22:29:23 +0000 (-0700) Subject: drm/amd/display: Allow building DC with clang on RISC-V X-Git-Tag: v6.6.7~1918^2~20^2~84 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6f7cd0371ea79df29791fd56df64b516041d4633;p=platform%2Fkernel%2Flinux-starfive.git drm/amd/display: Allow building DC with clang on RISC-V clang on RISC-V appears to be unaffected by the bug causing excessive stack usage in calculate_bandwidth(). clang 16 with -fstack-usage reports a 304 byte stack frame size with CONFIG_ARCH_RV32I, and 512 bytes with CONFIG_ARCH_RV64I. Reviewed-by: Nathan Chancellor Tested-by: Nathan Chancellor Signed-off-by: Samuel Holland Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/display/Kconfig b/drivers/gpu/drm/amd/display/Kconfig index bf0a655..901d196 100644 --- a/drivers/gpu/drm/amd/display/Kconfig +++ b/drivers/gpu/drm/amd/display/Kconfig @@ -5,7 +5,7 @@ menu "Display Engine Configuration" config DRM_AMD_DC bool "AMD DC - Enable new display engine" default y - depends on BROKEN || !CC_IS_CLANG || X86_64 || SPARC64 || ARM64 + 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 (X86 || LOONGARCH || (PPC64 && ALTIVEC) || (ARM64 && KERNEL_MODE_NEON && !CC_IS_CLANG))