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drm/amd/display: Fix DML file discovery for out-of-tree builds

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By anchoring the search to the DML top-level Makefile directory,
FPU CFLAGS are now correctly applied to all relevant source files.

Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Reviewed-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Prike Liang 2026-07-23 10:34:33 +08:00 committed by Alex Deucher
parent d3b00fd163
commit 18bcc49d87
1 changed files with 5 additions and 2 deletions
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7
drivers/gpu/drm/amd/display/dc/dml2_0/Makefile
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@ -55,8 +55,11 @@ subdir-ccflags-y += -I$(FULL_AMD_DISPLAY_PATH)/dc/dml2_0/dml21/
# Add FPU flags to all dml2 files by default, remove NO_FPU flags.
# FPU flags step 1: Find all .c files in dal/dc/dml2_0 and it's subfolders
DML2_ABS_PATH := $(FULL_AMD_DISPLAY_PATH)/dc/dml2_0
DML2_C_FILES := $(shell find $(DML2_ABS_PATH) -name '*.c' -type f)
THIS_MAKEFILE_PATH := $(abspath $(lastword $(MAKEFILE_LIST)))
DML2_ABS_PATH := $(patsubst %/,%,$(dir $(THIS_MAKEFILE_PATH)))
DML2_C_FILES := $(shell find $(DML2_ABS_PATH) -name '*.c')
# FPU flags step 2: Convert to .o and make paths relative to $(AMDDALPATH)/dc/dml2_0/
DML2_RELATIVE_O_FILES := $(patsubst $(DML2_ABS_PATH)/%,dc/dml2_0/%,$(patsubst %.c,%.o,$(DML2_C_FILES)))