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Date: Fri, 16 Mar 2018 17:31:51 -0700 From: Matthias Kaehlcke <mka@...omium.org> To: Jani Nikula <jani.nikula@...ux.intel.com>, Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>, Rodrigo Vivi <rodrigo.vivi@...el.com>, David Airlie <airlied@...ux.ie> Cc: intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, Guenter Roeck <groeck@...omium.org>, Matthias Kaehlcke <mka@...omium.org> Subject: [PATCH] drm/i915: Disable some extra clang warnings Commit 39bf4de89ff7 ("drm/i915: Add -Wall -Wextra to our build, set warnings to full") enabled extra warnings for i915 to spot possible bugs in new code, and then disabled a subset of these warnings to keep the current code building without warnings (with gcc). Enabling the extra warnings also enabled some additional clang-only warnings, as a result building i915 with clang currently is extremely noisy. For now also disable the clang warnings sign-compare, sometimes-uninitialized, unneeded-internal-declaration and initializer-overrides. If desired they can be re-enabled after the code has been fixed. Fixes: 39bf4de89ff7 ("drm/i915: Add -Wall -Wextra to our build, set warnings to full") Signed-off-by: Matthias Kaehlcke <mka@...omium.org> --- drivers/gpu/drm/i915/Makefile | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile index 091aef281963..ad05796a96ba 100644 --- a/drivers/gpu/drm/i915/Makefile +++ b/drivers/gpu/drm/i915/Makefile @@ -17,6 +17,10 @@ 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, implicit-fallthrough) +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, unneeded-internal-declaration) +subdir-ccflags-y += $(call cc-disable-warning, initializer-overrides) subdir-ccflags-$(CONFIG_DRM_I915_WERROR) += -Werror # Fine grained warnings disable -- 2.16.2.804.g6dcf76e118-goog
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