From: Randy Dunlap <rdunlap@infradead.org>
To: Bjorn Helgaas <helgaas@kernel.org>, Huacai Chen <chenhuacai@loongson.cn>
Cc: David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
Xuefeng Li <lixuefeng@loongson.cn>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
dri-devel@lists.freedesktop.org, linux-pci@vger.kernel.org,
Bjorn Helgaas <bhelgaas@google.com>
Subject: Re: [PATCH v2 1/9] PCI/VGA: Move vgaarb to drivers/pci
Date: Thu, 22 Jul 2021 14:38:43 -0700 [thread overview]
Message-ID: <7ae9d6b3-dce4-82f8-a315-56a0ecf657c0@infradead.org> (raw)
In-Reply-To: <20210722212920.347118-2-helgaas@kernel.org>
On 7/22/21 2:29 PM, Bjorn Helgaas wrote:
> From: Bjorn Helgaas <bhelgaas@google.com>
>
> The VGA arbiter is really PCI-specific and doesn't depend on any GPU
> things. Move it to the PCI subsystem.
>
> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
> ---
> drivers/gpu/vga/Kconfig | 19 -------------------
> drivers/gpu/vga/Makefile | 1 -
> drivers/pci/Kconfig | 19 +++++++++++++++++++
> drivers/pci/Makefile | 1 +
> drivers/{gpu/vga => pci}/vgaarb.c | 0
> 5 files changed, 20 insertions(+), 20 deletions(-)
> rename drivers/{gpu/vga => pci}/vgaarb.c (100%)
>
> diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
> index 0c473d75e625..7c9e56d7b857 100644
> --- a/drivers/pci/Kconfig
> +++ b/drivers/pci/Kconfig
> @@ -252,6 +252,25 @@ config PCIE_BUS_PEER2PEER
>
> endchoice
>
> +config VGA_ARB
> + bool "VGA Arbitration" if EXPERT
> + default y
> + depends on (PCI && !S390)
You can drop the PCI part above.
> + help
> + Some "legacy" VGA devices implemented on PCI typically have the same
> + hard-decoded addresses as they did on ISA. When multiple PCI devices
> + are accessed at same time they need some kind of coordination. Please
> + see Documentation/gpu/vgaarbiter.rst for more details. Select this to
Move that Doc file also...
> + enable VGA arbiter.
> +
--
~Randy
next prev parent reply other threads:[~2021-07-22 21:38 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-22 21:29 [PATCH v2 0/9] PCI/VGA: Rework default VGA device selection Bjorn Helgaas
2021-07-22 21:29 ` [PATCH v2 1/9] PCI/VGA: Move vgaarb to drivers/pci Bjorn Helgaas
2021-07-22 21:38 ` Randy Dunlap [this message]
2021-07-22 21:55 ` Bjorn Helgaas
2021-07-22 21:29 ` [PATCH v2 2/9] PCI/VGA: Replace full MIT license text with SPDX identifier Bjorn Helgaas
2021-07-22 21:29 ` [PATCH v2 3/9] PCI/VGA: Use unsigned format string to print lock counts Bjorn Helgaas
2021-07-22 21:29 ` [PATCH v2 4/9] PCI/VGA: Remove empty vga_arb_device_card_gone() Bjorn Helgaas
2021-07-22 21:29 ` [PATCH v2 5/9] PCI/VGA: Move vga_arb_integrated_gpu() earlier in file Bjorn Helgaas
2021-07-22 21:29 ` [PATCH v2 6/9] PCI/VGA: Prefer vga_default_device() Bjorn Helgaas
2021-07-22 21:29 ` [PATCH v2 7/9] PCI/VGA: Split out vga_arb_update_default_device() Bjorn Helgaas
2021-07-22 21:29 ` [PATCH v2 8/9] PCI/VGA: Log bridge control messages when adding devices Bjorn Helgaas
2021-07-22 21:29 ` [PATCH v2 9/9] PCI/VGA: Rework default VGA device selection Bjorn Helgaas
2021-07-23 5:51 ` [PATCH v2 0/9] " Christoph Hellwig
2021-07-23 8:27 ` Daniel Vetter
2021-07-23 22:43 ` Bjorn Helgaas
2021-07-27 9:32 ` Daniel Vetter
2021-07-23 9:53 ` Huacai Chen
2021-07-24 0:10 ` Bjorn Helgaas
2021-07-24 9:30 ` Huacai Chen
2021-08-03 17:06 ` Bjorn Helgaas
2021-08-09 18:59 ` Bjorn Helgaas
2021-08-19 21:52 ` Bjorn Helgaas
2021-08-20 4:07 ` Huacai Chen
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