From: Colin Ian King <colin.king@canonical.com>
To: Ben Skeggs <bskeggs@redhat.com>, David Airlie <airlied@linux.ie>,
dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org
Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] drm/nouveau/bios/dp: make array vsoff static, shrinks object size
Date: Thu, 24 Jan 2019 17:26:17 +0000 [thread overview]
Message-ID: <2d84fcfa-67af-ec76-5821-162004113bf3@canonical.com> (raw)
In-Reply-To: <20180904152333.21640-1-colin.king@canonical.com>
ping?
On 04/09/2018 16:23, Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
>
> Don't populate the array vsoff on the stack but instead make it
> static. Makes the object code smaller by 67 bytes:
>
> Before:
> text data bss dec hex filename
> 5753 112 0 5865 16e9 .../nouveau/nvkm/subdev/bios/dp.o
>
> After:
> text data bss dec hex filename
> 5622 176 0 5798 16a6 .../nouveau/nvkm/subdev/bios/dp.o
>
> (gcc version 8.2.0 x86_64)
>
> Signed-off-by: Colin Ian King <colin.king@canonical.com>
> ---
> drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c
> index 3133b28f849c..b099d1209be8 100644
> --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c
> +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c
> @@ -212,7 +212,7 @@ nvbios_dpcfg_match(struct nvkm_bios *bios, u16 outp, u8 pc, u8 vs, u8 pe,
> u16 data;
>
> if (*ver >= 0x30) {
> - const u8 vsoff[] = { 0, 4, 7, 9 };
> + static const u8 vsoff[] = { 0, 4, 7, 9 };
> idx = (pc * 10) + vsoff[vs] + pe;
> if (*ver >= 0x40 && *ver <= 0x41 && *hdr >= 0x12)
> idx += nvbios_rd08(bios, outp + 0x11) * 40;
>
next prev parent reply other threads:[~2019-01-24 17:26 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-04 15:23 Colin King
2019-01-24 17:26 ` Colin Ian King [this message]
2019-01-24 22:05 ` Ben Skeggs
2018-09-26 8:22 [PATCH] drm/nouveau/bios/dp: Make " Colin King
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