143 lines
4.8 KiB
TOML
143 lines
4.8 KiB
TOML
# AMD GPU driver port for Redox OS — Phase P2+P5: Display Core + DML2 + TTM
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# Scope: AMD DC modesetting, DML2 display modeling, TTM memory manager, connector detection.
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# Full acceleration (compute, video decode) requires Mesa radeonsi backend.
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[source]
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# Local overlay recipe. The extracted Linux 7.0-rc7 AMDGPU tree lives next to this
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# recipe at ../amdgpu-source and is referenced by the custom build script below.
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path = "source"
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[build]
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template = "custom"
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dependencies = [
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"redox-driver-sys",
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"linux-kpi",
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"firmware-loader",
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]
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script = """
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DYNAMIC_INIT
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# Paths
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AMD_ROOT="${COOKBOOK_SOURCE}/../../amdgpu-source/gpu/drm/amd"
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AMD_SRC="${AMD_ROOT}"
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TTM_SRC="${COOKBOOK_SOURCE}/../../amdgpu-source/gpu/drm/ttm"
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INCLUDES="${COOKBOOK_SOURCE}/../../amdgpu-source/include"
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LINUX_KPI="${COOKBOOK_ROOT}/local/recipes/drivers/linux-kpi/source/src/c_headers"
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REDOX_GLUE="${COOKBOOK_SOURCE}"
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TARGET_CC="${TARGET}-gcc"
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# Compiler flags for AMD driver — DML2 enabled
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export CFLAGS="-D__redox__ -D__KERNEL__ -DCONFIG_DRM_AMDGPU -DCONFIG_DRM_AMD_DC \
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-DCONFIG_DRM_AMD_DC_DML2=1 \
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-DCONFIG_DRM_AMD_DC_FP -DCONFIG_DRM_AMD_ACP \
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-I${LINUX_KPI} \
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-I${REDOX_GLUE} \
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-I${INCLUDES} \
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-I${INCLUDES}/drm \
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-I${AMD_SRC}/include \
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-I${AMD_SRC}/include/asic_reg \
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-I${AMD_SRC}/display \
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-I${AMD_SRC}/display/dc \
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-I${AMD_SRC}/display/dc/dml \
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-I${AMD_SRC}/display/dc/dml2_0 \
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-I${AMD_SRC}/display/dc/dml2_0/dml21 \
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-I${AMD_SRC}/display/dc/dcn20 \
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-I${AMD_SRC}/display/dc/dcn21 \
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-I${AMD_SRC}/display/dc/dcn30 \
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-I${AMD_SRC}/display/dc/dcn301 \
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-I${AMD_SRC}/display/dc/dcn31 \
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-I${AMD_SRC}/display/dc/dcn32 \
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-I${AMD_SRC}/display/dc/dcn35 \
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-I${AMD_SRC}/display/dmub \
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-I${AMD_SRC}/display/modules \
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-I${AMD_SRC}/display/modules/freesync \
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-I${AMD_SRC}/display/modules/color \
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-I${AMD_SRC}/display/modules/info_packet \
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-I${AMD_SRC}/display/modules/power \
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-I${AMD_SRC}/pm/swsmu \
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-I${AMD_SRC}/pm/swsmu/inc \
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-I${AMD_SRC}/pm/powerplay \
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-I${AMD_SRC}/pm/powerplay/inc \
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-I${AMD_SRC}/pm/powerplay/hwmgr \
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-fPIC -O2 -Wall -Wno-unused-function -Wno-unused-variable \
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-Wno-address-of-packed-member -Wno-initializer-overrides"
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# Stage 1: Compile Redox glue code
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"${TARGET_CC}" -c ${CFLAGS} "${REDOX_GLUE}/amdgpu_redox_main.c" -o amdgpu_redox_main.o
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"${TARGET_CC}" -c ${CFLAGS} "${REDOX_GLUE}/redox_stubs.c" -o redox_stubs.o
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# Stage 2: Compile AMD Display Core (DC) — all display sources including DML/DML2
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# Each file MUST compile. Any failure is a hard error.
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success=0
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failed=0
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find "${AMD_SRC}/display/" -name '*.c' | while read -r src; do
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obj=$(basename "${src%.c}.o")
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if "${TARGET_CC}" -c ${CFLAGS} "$src" -o "$obj" 2>"${obj}.log"; then
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success=$((success + 1))
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else
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failed=$((failed + 1))
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echo "ERROR: failed to compile $(basename $src)"
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cat "${obj}.log"
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exit 1
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fi
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done
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echo "Stage 2: AMD DC compiled ${success} files, ${failed} failed"
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# Stage 3: Compile TTM memory manager
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success=0
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failed=0
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find "${TTM_SRC}/" -name '*.c' | while read -r src; do
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obj=$(basename "${src%.c}.o")
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if "${TARGET_CC}" -c ${CFLAGS} "$src" -o "$obj" 2>"${obj}.log"; then
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success=$((success + 1))
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else
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failed=$((failed + 1))
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echo "ERROR: failed to compile $(basename $src)"
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cat "${obj}.log"
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exit 1
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fi
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done
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echo "Stage 3: TTM compiled ${success} files, ${failed} failed"
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# Stage 4: Compile minimal amdgpu core (enough for display init)
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CORE_SRCS="amdgpu_device.c amdgpu_drv.c amdgpu_i2c.c amdgpu_atombios.c \
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amdgpu_atombios_crtc.c amdgpu_bios.c amdgpu_mode.c amdgpu_display.c \
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amdgpu_fb.c amdgpu_gem.c amdgpu_object.c amdgpu_gmc.c amdgpu_mmhub.c \
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amdgpu_irq.c amdgpu_ring.c amdgpu_fence.c amdgpu_ttm.c amdgpu_bo_list.c"
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success=0
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failed=0
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for src_name in $CORE_SRCS; do
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src="${AMD_SRC}/amdgpu/${src_name}"
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if [ -f "$src" ]; then
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obj="${src_name%.c}.o"
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if "${TARGET_CC}" -c ${CFLAGS} "$src" -o "$obj" 2>"${obj}.log"; then
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success=$((success + 1))
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else
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failed=$((failed + 1))
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echo "ERROR: failed to compile $src_name"
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cat "${obj}.log"
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exit 1
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fi
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fi
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done
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echo "Stage 4: amdgpu core compiled ${success} files, ${failed} failed"
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# Stage 5: Link into shared library
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OBJS=""
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for obj in $(find . -name '*.o' -size +0c); do
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OBJS="$OBJS $obj"
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done
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if [ -z "$OBJS" ]; then
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echo "ERROR: no object files compiled successfully"
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exit 1
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fi
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"${TARGET_CC}" -shared -o libamdgpu_dc_redox.so $OBJS -lm -lpthread
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# Install
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mkdir -p "${COOKBOOK_STAGE}/usr/lib/redox/drivers"
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cp libamdgpu_dc_redox.so "${COOKBOOK_STAGE}/usr/lib/redox/drivers/"
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mkdir -p "${COOKBOOK_STAGE}/usr/include/amdgpu-redox"
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cp "${REDOX_GLUE}/redox_glue.h" "${COOKBOOK_STAGE}/usr/include/amdgpu-redox/"
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"""
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