Re: [PATCH 0/2] PCI: Ignore hotplug events for dual GPU systems

[Alex Deucher]

On Thu, Sep 11, 2014 at 6:23 PM, Bjorn Helgaas <bhelgaas@xxxxxxxxxx> wrote:
> These are intended to resolve problems on dual GPU systems where the radeon
> driver becomes unusable because of problems suspending or resuming a GPU.
> When the GPU is powered off, we may get hotplug remove events, and we
> would normally unbind the driver and destroy the pci_dev.  But in this
> case, the radeon and nouveau drivers expect to remain bound to the device
> because it isn't really removable, and they may power it back on later.
>
> Links to the bug reports in the patch changelogs.
>
> I would like to get these into v3.17 if they seem reasonable.

Looks good to me.

Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>

>
> ---
>
> Bjorn Helgaas (2):
>       PCI: Add pci_ignore_hotplug() to ignore hotplug events for a device
>       ACPIPHP / radeon / nouveau: Remove acpi_bus_no_hotplug()
>
>
>  drivers/acpi/bus.c                           |   10 ----------
>  drivers/gpu/drm/nouveau/nouveau_acpi.c       |   16 ++--------------
>  drivers/gpu/drm/nouveau/nouveau_drm.c        |    1 +
>  drivers/gpu/drm/radeon/radeon_atpx_handler.c |   16 ++--------------
>  drivers/gpu/drm/radeon/radeon_drv.c          |    1 +
>  drivers/pci/hotplug/acpiphp_glue.c           |   16 ++++++----------
>  drivers/pci/hotplug/pciehp_hpc.c             |   12 ++++++++++++
>  include/acpi/acpi_bus.h                      |    4 +---
>  include/linux/pci.h                          |    6 ++++++
>  9 files changed, 31 insertions(+), 51 deletions(-)
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/