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drm/i915: use fine grained -Woverride-init disable

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Use localized __diag_push(), __diag_ignore_all() with rationale, and
__diag_pop() for specific initializations instead of blanket disabling
of -Woverride-init across several files.

Note that we've tried this before with commit 88e9664434 ("drm/i915:
use localized __diag_ignore_all() instead of per file") and reverted in
commit 290d161045 ("Revert "drm/i915: use localized
__diag_ignore_all() instead of per file""). The issue turned out to be
in __diag_ignore_all() and it was fixed by commit 689b097a06
("compiler-gcc: Suppress -Wmissing-prototypes warning for all supported
GCC"). So we should be able to pull this off now.

Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240328102455.944131-1-jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Jani Nikula
2024-03-28 12:24:55 +02:00
parent 5a1da42b50
commit 2d2d92bc25
5 changed files with 15 additions and 8 deletions
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5
drivers/gpu/drm/i915/display/intel_fbdev.c
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@@ -135,6 +135,9 @@ static int intel_fbdev_mmap(struct fb_info *info, struct vm_area_struct *vma)
return i915_gem_fb_mmap(obj, vma);
}
__diag_push();
__diag_ignore_all("-Woverride-init", "Allow field initialization overrides for fb ops");
static const struct fb_ops intelfb_ops = {
.owner = THIS_MODULE,
__FB_DEFAULT_DEFERRED_OPS_RDWR(intel_fbdev),
@@ -146,6 +149,8 @@ static const struct fb_ops intelfb_ops = {
.fb_mmap = intel_fbdev_mmap,
};
__diag_pop();
static int intelfb_create(struct drm_fb_helper *helper,
struct drm_fb_helper_surface_size *sizes)
{