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drm/xe: Enable W=1 warnings by default

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Like done in commit 2250c7ead8 ("drm/i915: enable W=1 warnings by default")
for i915, enable W=1 warnings by default in xe.

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Lucas De Marchi 2023-12-14 13:39:54 -08:00 committed by Rodrigo Vivi
parent 73486d750f
commit 7a8bc11782
1 changed files with 28 additions and 19 deletions
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47
drivers/gpu/drm/xe/Makefile
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@ -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)