Messages in this thread | | | Subject | Re: [PATCH v2 6/7] misc: bcm-vk: add Broadcom VK driver | From | Randy Dunlap <> | Date | Wed, 19 Feb 2020 17:04:38 -0800 |
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Hi,
On 2/19/20 4:48 PM, Scott Branden wrote: > diff --git a/drivers/misc/bcm-vk/Kconfig b/drivers/misc/bcm-vk/Kconfig > new file mode 100644 > index 000000000000..c75dfb89a38d > --- /dev/null > +++ b/drivers/misc/bcm-vk/Kconfig > @@ -0,0 +1,42 @@ > +# SPDX-License-Identifier: GPL-2.0-only > +# > +# Broadcom VK device > +# > +config BCM_VK > + tristate "Support for Broadcom VK Accelerators" > + depends on PCI_MSI > + default m
Need to justify default m. Normally we don't add drivers as enabled unless they are required for basic (boot) operation.
> + help > + Select this option to enable support for Broadcom > + VK Accelerators. VK is used for performing > + specific video offload processing. This driver enables > + userspace programs to access these accelerators via /dev/bcm-vk.N > + devices. > + > + If unsure, say N. > + > +if BCM_VK > + > +config BCM_VK_H2VK_VERIFY_AND_RETRY > + bool "Host To VK Verifiy Data and Retry"
Verify
> + help > + Turn on to verify the data passed down to VK is good, > + and if not, do a retry until it succeeds.
No timeout on that retry?
> + This is a debug/workaround on FPGA PCIe timing issues > + but may be found useful for debugging other PCIe hardware issues. > + Small performance loss by enabling this debug config. > + For properly operating PCIe hardware no need to enable this. > + > + If unsure, say N. > + > +config BCM_VK_QSTATS > + bool "VK Queue Statistics" > + help > + Turn on to enable Queue Statistics. > + These are useful for debugging purposes. > + Some performance loss by enabling this debug config. > + For properly operating PCIe hardware no need to enable this. > + > + If unsure, say N. > + > +endif
cheers. -- ~Randy
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