From 7a8bc11782d39e4d35dc7e78405dfe052cbba9cf Mon Sep 17 00:00:00 2001 From: Lucas De Marchi Date: Thu, 14 Dec 2023 13:39:54 -0800 Subject: [PATCH] drm/xe: Enable W=1 warnings by default Like done in commit 2250c7ead8ad ("drm/i915: enable W=1 warnings by default") for i915, enable W=1 warnings by default in xe. Reviewed-by: Rodrigo Vivi Acked-by: Jani Nikula Signed-off-by: Lucas De Marchi Signed-off-by: Rodrigo Vivi --- drivers/gpu/drm/xe/Makefile | 47 ++++++++++++++++++++++--------------- 1 file changed, 28 insertions(+), 19 deletions(-) diff --git a/drivers/gpu/drm/xe/Makefile b/drivers/gpu/drm/xe/Makefile index f4ae063a70053..6790c049d89ea 100644 --- a/drivers/gpu/drm/xe/Makefile +++ b/drivers/gpu/drm/xe/Makefile @@ -3,25 +3,34 @@ # Makefile for the drm device driver. This driver provides support for the # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher. -# Add a set of useful warning flags and enable -Werror for CI to prevent -# trivial mistakes from creeping in. We have to do this piecemeal as we reject -# any patch that isn't warning clean, so turning on -Wall -Wextra (or W=1) we -# need to filter out dubious warnings. Still it is our interest -# to keep running locally with W=1 C=1 until we are completely clean. -# -# Note the danger in using -Wall -Wextra is that when CI updates gcc we -# will most likely get a sudden build breakage... Hopefully we will fix -# new warnings before CI updates! -subdir-ccflags-y := -Wall -Wextra -subdir-ccflags-y += $(call cc-disable-warning, unused-parameter) -subdir-ccflags-y += $(call cc-disable-warning, type-limits) -subdir-ccflags-y += $(call cc-disable-warning, missing-field-initializers) -subdir-ccflags-y += $(call cc-disable-warning, unused-but-set-variable) -# clang warnings -subdir-ccflags-y += $(call cc-disable-warning, sign-compare) -subdir-ccflags-y += $(call cc-disable-warning, sometimes-uninitialized) -subdir-ccflags-y += $(call cc-disable-warning, initializer-overrides) -subdir-ccflags-y += $(call cc-disable-warning, frame-address) +# Unconditionally enable W=1 warnings locally +# --- begin copy-paste W=1 warnings from scripts/Makefile.extrawarn +subdir-ccflags-y += -Wextra -Wunused -Wno-unused-parameter +subdir-ccflags-y += -Wmissing-declarations +subdir-ccflags-y += $(call cc-option, -Wrestrict) +subdir-ccflags-y += -Wmissing-format-attribute +subdir-ccflags-y += -Wmissing-prototypes +subdir-ccflags-y += -Wold-style-definition +subdir-ccflags-y += -Wmissing-include-dirs +subdir-ccflags-y += $(call cc-option, -Wunused-but-set-variable) +subdir-ccflags-y += $(call cc-option, -Wunused-const-variable) +subdir-ccflags-y += $(call cc-option, -Wpacked-not-aligned) +subdir-ccflags-y += $(call cc-option, -Wformat-overflow) +subdir-ccflags-y += $(call cc-option, -Wformat-truncation) +subdir-ccflags-y += $(call cc-option, -Wstringop-overflow) +subdir-ccflags-y += $(call cc-option, -Wstringop-truncation) +# The following turn off the warnings enabled by -Wextra +ifeq ($(findstring 2, $(KBUILD_EXTRA_WARN)),) +subdir-ccflags-y += -Wno-missing-field-initializers +subdir-ccflags-y += -Wno-type-limits +subdir-ccflags-y += -Wno-shift-negative-value +endif +ifeq ($(findstring 3, $(KBUILD_EXTRA_WARN)),) +subdir-ccflags-y += -Wno-sign-compare +endif +# --- end copy-paste + +# Enable -Werror in CI and development subdir-ccflags-$(CONFIG_DRM_XE_WERROR) += -Werror subdir-ccflags-y += -I$(obj) -I$(srctree)/$(src)