From: "Arnd Bergmann" <arnd@arndb.de>
To: "Arnd Bergmann" <arnd@kernel.org>,
"Andrzej Hajda" <andrzej.hajda@intel.com>,
"Neil Armstrong" <neil.armstrong@linaro.org>,
"Robert Foss" <rfoss@kernel.org>,
"Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
"Maxime Ripard" <mripard@kernel.org>,
"Thomas Zimmermann" <tzimmermann@suse.de>,
"Dave Airlie" <airlied@gmail.com>,
"Simona Vetter" <simona@ffwll.ch>,
"Nathan Chancellor" <nathan@kernel.org>,
"Heiko Stuebner" <heiko.stuebner@cherry.de>,
"Andy Yan" <andy.yan@rock-chips.com>
Cc: "laurent.pinchart" <Laurent.pinchart@ideasonboard.com>,
"Jonas Karlman" <jonas@kwiboo.se>,
"Jernej Skrabec" <jernej.skrabec@gmail.com>,
"Nick Desaulniers" <nick.desaulniers+lkml@gmail.com>,
"Bill Wendling" <morbo@google.com>,
"Justin Stitt" <justinstitt@google.com>,
"Dmitry Baryshkov" <lumag@kernel.org>,
"Doug Anderson" <dianders@chromium.org>,
dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
llvm@lists.linux.dev
Subject: Re: [PATCH] drm/bridge/synopsys: avoid field overflow warning
Date: Wed, 09 Apr 2025 09:07:30 +0200 [thread overview]
Message-ID: <30e22523-216f-41a9-b931-e90136a45378@app.fastmail.com> (raw)
In-Reply-To: <20250408175116.1770876-1-arnd@kernel.org>
On Tue, Apr 8, 2025, at 19:51, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
>
> clang-16 and earlier complain about what it thinks might be an out of
> range number:
>
> drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi2.c:348:8: error: call to
> __compiletime_assert_579 declared with 'error' attribute: FIELD_PREP:
> value too large for the field
> PHY_SYS_RATIO(tmp));
> ^
> drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi2.c:90:27: note: expanded
> from macro 'PHY_SYS_RATIO'
> #define PHY_SYS_RATIO(x) FIELD_PREP(GENMASK(16, 0), x)
>
I still see the same build failure in some other configurations even
with this patch. Please disregard this version, I'll try to come
up with a better one.
Arnd
next prev parent reply other threads:[~2025-04-09 7:07 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-08 17:51 [PATCH] drm/bridge/synopsys: avoid field overflow warning Arnd Bergmann
2025-04-09 7:07 ` Arnd Bergmann [this message]
2025-04-10 12:36 ` Arnd Bergmann
2025-05-07 9:06 ` Borislav Petkov
2025-05-07 14:34 ` Heiko Stübner
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