From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
To: Sinan Kaya <okaya@codeaurora.org>
Cc: "open list:EFIFB FRAMEBUFFER DRIVER"
<linux-fbdev@vger.kernel.org>, Timur Tabi <timur@codeaurora.org>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
linux-arm-msm@vger.kernel.org,
open list <linux-kernel@vger.kernel.org>,
"open list:FRAMEBUFFER LAYER" <dri-devel@lists.freedesktop.org>,
Peter Jones <pjones@redhat.com>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH V2 1/2] efi/fb: Simplify fixup code to prefer struct resource
Date: Wed, 13 Jun 2018 17:42:11 +0200 [thread overview]
Message-ID: <CAKv+Gu-LkJBa+QKwROqWApfKHjZ8huDYPi9FanU2AhKECv=dog@mail.gmail.com> (raw)
In-Reply-To: <1526653072-7153-1-git-send-email-okaya@codeaurora.org>
On 18 May 2018 at 16:17, Sinan Kaya <okaya@codeaurora.org> wrote:
> Get rid of base and size variables in favor of a struct resource.
> The conditional for checking window can be replaced with
> resource_contains().
>
> Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
> ---
> drivers/video/fbdev/efifb.c | 17 +++++++++++------
> 1 file changed, 11 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c
> index 46a4484..6daac8d 100644
> --- a/drivers/video/fbdev/efifb.c
> +++ b/drivers/video/fbdev/efifb.c
> @@ -426,17 +426,20 @@ static void record_efifb_bar_resource(struct pci_dev *dev, int idx, u64 offset)
>
> static void efifb_fixup_resources(struct pci_dev *dev)
> {
> - u64 base = screen_info.lfb_base;
> - u64 size = screen_info.lfb_size;
> + struct resource screen_res = {
> + .start = screen_info.lfb_base,
> + .end = screen_info.lfb_base + screen_info.lfb_size - 1,
> + .flags = IORESOURCE_MEM,
> + };
> int i;
>
> if (efifb_pci_dev || screen_info.orig_video_isVGA != VIDEO_TYPE_EFI)
> return;
>
> if (screen_info.capabilities & VIDEO_CAPABILITY_64BIT_BASE)
> - base |= (u64)screen_info.ext_lfb_base << 32;
> + screen_res.start |= (u64)screen_info.ext_lfb_base << 32;
>
> - if (!base)
> + if (!screen_res.start)
> return;
>
> for (i = 0; i <= PCI_STD_RESOURCE_END; i++) {
> @@ -445,8 +448,10 @@ static void efifb_fixup_resources(struct pci_dev *dev)
> if (!(res->flags & IORESOURCE_MEM))
> continue;
>
> - if (res->start <= base && res->end >= base + size - 1) {
> - record_efifb_bar_resource(dev, i, base - res->start);
> + if (resource_contains(res, &screen_res)) {
> + u64 win_offset = screen_res.start - res->start;
> +
> + record_efifb_bar_resource(dev, i, win_offset);
> break;
> }
> }
> --
> 2.7.4
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2018-06-13 15:42 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-18 14:17 [PATCH V2 1/2] efi/fb: Simplify fixup code to prefer struct resource Sinan Kaya
2018-05-18 14:17 ` [PATCH V2 2/2] efi/fb: Convert PCI bus address to resource if translated by the bridge Sinan Kaya
2018-06-13 14:22 ` Sinan Kaya
2018-06-13 15:06 ` Ard Biesheuvel
2018-06-13 15:17 ` okaya
2018-06-13 15:22 ` Ard Biesheuvel
2018-06-13 15:29 ` okaya
2018-06-13 15:45 ` Ard Biesheuvel
2018-06-13 15:50 ` okaya
2018-06-13 16:08 ` Bartlomiej Zolnierkiewicz
2018-06-22 7:54 ` Ard Biesheuvel
[not found] ` <CGME20180622100749eucas1p2a47cfba3b4d3d5004e9a0068917d5616@eucas1p2.samsung.com>
2018-06-22 10:07 ` Bartlomiej Zolnierkiewicz
[not found] ` <CGME20180622101111eucas1p119946679a7686911744b1296c2796b15@eucas1p1.samsung.com>
2018-06-22 10:11 ` Bartlomiej Zolnierkiewicz
2018-06-19 22:29 ` Bjorn Helgaas
2018-06-22 11:21 ` Ard Biesheuvel
2018-06-22 13:52 ` Sinan Kaya
2018-06-22 13:55 ` Ard Biesheuvel
2018-06-22 18:01 ` Ard Biesheuvel
2018-06-22 18:30 ` Sinan Kaya
2018-06-22 19:29 ` Ard Biesheuvel
2018-06-25 8:20 ` Ard Biesheuvel
2018-06-25 15:52 ` okaya
2018-06-25 17:28 ` Sinan Kaya
2018-06-25 17:29 ` Ard Biesheuvel
2018-06-25 17:31 ` Sinan Kaya
2018-06-13 15:42 ` Ard Biesheuvel [this message]
2018-06-22 10:11 ` [PATCH V2 1/2] efi/fb: Simplify fixup code to prefer struct resource Bartlomiej Zolnierkiewicz
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