diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3536-amdgpu-dc-calcs-Support-clang-option-for-stack-align.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3536-amdgpu-dc-calcs-Support-clang-option-for-stack-align.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3536-amdgpu-dc-calcs-Support-clang-option-for-stack-align.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3536-amdgpu-dc-calcs-Support-clang-option-for-stack-align.patch new file mode 100644 index 00000000..2e9e3466 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3536-amdgpu-dc-calcs-Support-clang-option-for-stack-align.patch @@ -0,0 +1,43 @@ +From 71308542906c21bb56cf208c2425f76dd937fed6 Mon Sep 17 00:00:00 2001 +From: Matthias Kaehlcke <mka@chromium.org> +Date: Thu, 8 Feb 2018 12:53:16 -0800 +Subject: [PATCH 3536/4131] amdgpu/dc/calcs: Support clang option for stack + alignment + +calcs 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. + +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/calcs/Makefile | 8 +++++++- + 1 file changed, 7 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/calcs/Makefile b/drivers/gpu/drm/amd/display/dc/calcs/Makefile +index ac4b936..1cb3a1d 100644 +--- a/drivers/gpu/drm/amd/display/dc/calcs/Makefile ++++ b/drivers/gpu/drm/amd/display/dc/calcs/Makefile +@@ -3,7 +3,13 @@ + # It calculates Bandwidth and Watermarks values for HW programming + # + +-calcs_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 ++ ++calcs_ccflags := -mhard-float -msse $(cc_stack_align) + + CFLAGS_dcn_calcs.o := $(calcs_ccflags) + CFLAGS_dcn_calc_auto.o := $(calcs_ccflags) +-- +2.7.4 + |