linux-kernel - Re: [PATCH] drm/nouveau: declare constants as unsigned long.

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Message-ID: <CAKb7Uvii6RTp3FsX6z+4VuX6xcS9_SQ+CMC-UBOHVJY5BeWgew@mail.gmail.com>
Date:   Tue, 31 Dec 2019 18:53:55 -0500
From:   Ilia Mirkin <imirkin@...m.mit.edu>
To:     Wambui Karuga <wambui.karugax@...il.com>
Cc:     Ben Skeggs <bskeggs@...hat.com>, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        nouveau <nouveau@...ts.freedesktop.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/nouveau: declare constants as unsigned long.

Probably want ULL for 32-bit arches to be correct here too.

On Tue, Dec 31, 2019 at 3:53 PM Wambui Karuga <wambui.karugax@...il.com> wrote:
>
> Explicitly declare constants are unsigned long to address the following
> sparse warnings:
> warning: constant is so big it is long
>
> Signed-off-by: Wambui Karuga <wambui.karugax@...il.com>
> ---
>  drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgf100.c | 2 +-
>  drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgf108.c | 2 +-
>  drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgk104.c | 2 +-
>  drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgm107.c | 2 +-
>  drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgm200.c | 2 +-
>  drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgp100.c | 2 +-
>  6 files changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgf100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgf100.c
> index ac87a3b6b7c9..506b358fcdb6 100644
> --- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgf100.c
> +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgf100.c
> @@ -655,7 +655,7 @@ gf100_ram_new_(const struct nvkm_ram_func *func,
>
>  static const struct nvkm_ram_func
>  gf100_ram = {
> -       .upper = 0x0200000000,
> +       .upper = 0x0200000000UL,
>         .probe_fbp = gf100_ram_probe_fbp,
>         .probe_fbp_amount = gf100_ram_probe_fbp_amount,
>         .probe_fbpa_amount = gf100_ram_probe_fbpa_amount,
> diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgf108.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgf108.c
> index 70a06e3cd55a..3bc39895bbce 100644
> --- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgf108.c
> +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgf108.c
> @@ -43,7 +43,7 @@ gf108_ram_probe_fbp_amount(const struct nvkm_ram_func *func, u32 fbpao,
>
>  static const struct nvkm_ram_func
>  gf108_ram = {
> -       .upper = 0x0200000000,
> +       .upper = 0x0200000000UL,
>         .probe_fbp = gf100_ram_probe_fbp,
>         .probe_fbp_amount = gf108_ram_probe_fbp_amount,
>         .probe_fbpa_amount = gf100_ram_probe_fbpa_amount,
> diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgk104.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgk104.c
> index 456aed1f2a02..d01f32c0956a 100644
> --- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgk104.c
> +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgk104.c
> @@ -1698,7 +1698,7 @@ gk104_ram_new_(const struct nvkm_ram_func *func, struct nvkm_fb *fb,
>
>  static const struct nvkm_ram_func
>  gk104_ram = {
> -       .upper = 0x0200000000,
> +       .upper = 0x0200000000UL,
>         .probe_fbp = gf100_ram_probe_fbp,
>         .probe_fbp_amount = gf108_ram_probe_fbp_amount,
>         .probe_fbpa_amount = gf100_ram_probe_fbpa_amount,
> diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgm107.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgm107.c
> index 27c68e3f9772..e24ac664eb15 100644
> --- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgm107.c
> +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgm107.c
> @@ -33,7 +33,7 @@ gm107_ram_probe_fbp(const struct nvkm_ram_func *func,
>
>  static const struct nvkm_ram_func
>  gm107_ram = {
> -       .upper = 0x1000000000,
> +       .upper = 0x1000000000UL,
>         .probe_fbp = gm107_ram_probe_fbp,
>         .probe_fbp_amount = gf108_ram_probe_fbp_amount,
>         .probe_fbpa_amount = gf100_ram_probe_fbpa_amount,
> diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgm200.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgm200.c
> index 6b0cac1fe7b4..17994cbda54b 100644
> --- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgm200.c
> +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgm200.c
> @@ -48,7 +48,7 @@ gm200_ram_probe_fbp_amount(const struct nvkm_ram_func *func, u32 fbpao,
>
>  static const struct nvkm_ram_func
>  gm200_ram = {
> -       .upper = 0x1000000000,
> +       .upper = 0x1000000000UL,
>         .probe_fbp = gm107_ram_probe_fbp,
>         .probe_fbp_amount = gm200_ram_probe_fbp_amount,
>         .probe_fbpa_amount = gf100_ram_probe_fbpa_amount,
> diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgp100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgp100.c
> index adb62a6beb63..7a07a6ed4578 100644
> --- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgp100.c
> +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgp100.c
> @@ -79,7 +79,7 @@ gp100_ram_probe_fbpa(struct nvkm_device *device, int fbpa)
>
>  static const struct nvkm_ram_func
>  gp100_ram = {
> -       .upper = 0x1000000000,
> +       .upper = 0x1000000000UL,
>         .probe_fbp = gm107_ram_probe_fbp,
>         .probe_fbp_amount = gm200_ram_probe_fbp_amount,
>         .probe_fbpa_amount = gp100_ram_probe_fbpa,
> --
> 2.17.1
>