From: Nick Desaulniers <ndesaulniers@google.com>
To: Thierry Reding <thierry.reding@gmail.com>, airlied@linux.ie
Cc: Jagan Teki <jagannadh.teki@gmail.com>,
Rob Herring <robh@kernel.org>,
Thierry Reding <treding@nvidia.com>,
dri-devel@lists.freedesktop.org,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] drm/panel: simple: fix -Wliteral-conversion warning
Date: Wed, 8 Aug 2018 15:06:59 -0700 [thread overview]
Message-ID: <CAKwvOd=aemtfORow2KCyNfSJuhEQGWtGPL7H+Pb0grj2PDXzDA@mail.gmail.com> (raw)
In-Reply-To: <20180615223749.149073-1-ndesaulniers@google.com>
bumping for review.
On Fri, Jun 15, 2018 at 3:38 PM Nick Desaulniers
<ndesaulniers@google.com> wrote:
>
> Fixes commit 8cfe83419cdb ("drm/panel: simple: Add
> support for KEO TX31D200VM0BAA")
>
> drivers/gpu/drm/panel/panel-simple.c:1250:27: warning: implicit conversion from
> 'double' to 'u32' (aka 'unsigned int') changes value from 33.5 to 33
> [-Wliteral-conversion]
> .vfront_porch = { 6, 21, 33.5 },
> ~ ^~~~
> drivers/gpu/drm/panel/panel-simple.c:1251:26: warning: implicit conversion from
> 'double' to 'u32' (aka 'unsigned int') changes value from 33.5 to 33
> [-Wliteral-conversion]
> .vback_porch = { 6, 21, 33.5 },
> ~ ^~~~
>
> Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
> ---
> Alternatively, should these be rounded up to 34? I'm guessing the
> current behaviour (truncation) is correct since that's how the patch was
> operating.
>
> drivers/gpu/drm/panel/panel-simple.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
> index cbf1ab404ee7..12bcbd1dd77b 100644
> --- a/drivers/gpu/drm/panel/panel-simple.c
> +++ b/drivers/gpu/drm/panel/panel-simple.c
> @@ -1247,8 +1247,8 @@ static const struct display_timing koe_tx31d200vm0baa_timing = {
> .hback_porch = { 16, 36, 56 },
> .hsync_len = { 8, 8, 8 },
> .vactive = { 480, 480, 480 },
> - .vfront_porch = { 6, 21, 33.5 },
> - .vback_porch = { 6, 21, 33.5 },
> + .vfront_porch = { 6, 21, 33 },
> + .vback_porch = { 6, 21, 33 },
> .vsync_len = { 8, 8, 8 },
> .flags = DISPLAY_FLAGS_DE_HIGH,
> };
> --
> 2.18.0.rc1.244.gcf134e6275-goog
>
--
Thanks,
~Nick Desaulniers
next prev parent reply other threads:[~2018-08-08 22:07 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-15 22:37 [PATCH] drm/panel: simple: fix -Wliteral-conversion warning Nick Desaulniers
2018-08-08 22:06 ` Nick Desaulniers [this message]
2018-08-09 9:59 ` Thierry Reding
2018-08-09 16:38 ` Nick Desaulniers
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