diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3535-amdgpu-dc-dml-Support-clang-option-for-stack-alignme.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3535-amdgpu-dc-dml-Support-clang-option-for-stack-alignme.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3535-amdgpu-dc-dml-Support-clang-option-for-stack-alignme.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3535-amdgpu-dc-dml-Support-clang-option-for-stack-alignme.patch new file mode 100644 index 00000000..d200713c --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3535-amdgpu-dc-dml-Support-clang-option-for-stack-alignme.patch @@ -0,0 +1,44 @@ +From 010ce655afcfd724c2ee82f297988379de5cbbe4 Mon Sep 17 00:00:00 2001 +From: Matthias Kaehlcke <mka@chromium.org> +Date: Thu, 8 Feb 2018 12:53:15 -0800 +Subject: [PATCH 3535/4131] amdgpu/dc/dml: Support clang option for stack + alignment + +DML uses the compiler option -mpreferred-stack-boundary=4 to configure +a stack alignment of 16 bytes. Clang uses the option -mstack-alignment +instead, which expects as parameter the alignment in bytes, and not a +power of two like -mpreferred-stack-boundary. + +Probe for both compiler options and use the correct one, similar to +what is done in arch/x86/Makefile. + +Reported-by: Guenter Roeck <groeck@chromium.org> +Signed-off-by: Matthias Kaehlcke <mka@chromium.org> +Reviewed-by: Harry Wentland <harry.wentland@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/display/dc/dml/Makefile | 8 +++++++- + 1 file changed, 7 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/dml/Makefile b/drivers/gpu/drm/amd/display/dc/dml/Makefile +index f99b321..8551603 100644 +--- a/drivers/gpu/drm/amd/display/dc/dml/Makefile ++++ b/drivers/gpu/drm/amd/display/dc/dml/Makefile +@@ -3,7 +3,13 @@ + # It provides the general basic services required by other DAL + # subcomponents. + +-dml_ccflags := -mhard-float -msse -mpreferred-stack-boundary=4 ++ifneq ($(call cc-option, -mpreferred-stack-boundary=4),) ++ cc_stack_align := -mpreferred-stack-boundary=4 ++else ifneq ($(call cc-option, -mstack-alignment=16),) ++ cc_stack_align := -mstack-alignment=16 ++endif ++ ++dml_ccflags := -mhard-float -msse $(cc_stack_align) + + CFLAGS_display_mode_vba.o := $(dml_ccflags) + CFLAGS_display_mode_lib.o := $(dml_ccflags) +-- +2.7.4 + |