linux_dsm_epyc7002/drivers/media
Kieran Bingham 5de0473982 media: vsp1: Provide a body pool
Each display list allocates a body to store register values in a dma
accessible buffer from a dma_alloc_wc() allocation. Each of these
results in an entry in the IOMMU TLB, and a large number of display list
allocations adds pressure to this resource.

Reduce TLB pressure on the IPMMUs by allocating multiple display list
bodies in a single allocation, and providing these to the display list
through a 'body pool'. A pool can be allocated by the display list
manager or entities which require their own body allocations.

Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-05-25 18:41:54 -04:00
..
cec media: rc: per-protocol repeat period and minimum keyup timer 2018-04-20 09:16:55 -04:00
common media: siano: use GFP_DMA only for smssdio 2018-05-15 08:04:42 -04:00
dvb-core media: dvb_ca_en50221: prevent using slot_info for Spectre attacs 2018-05-16 10:17:22 -04:00
dvb-frontends media: lgdt330x.h: fix compiler warning 2018-05-11 11:40:09 -04:00
firewire vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
i2c media: adv7511: fix clearing of the CEC receive buffer 2018-05-25 18:37:20 -04:00
mmc media: siano: use GFP_DMA only for smssdio 2018-05-15 08:04:42 -04:00
pci media: zoran: move to staging in preparation for removal 2018-05-25 15:21:36 -04:00
platform media: vsp1: Provide a body pool 2018-05-25 18:41:54 -04:00
radio Linux 4.17-rc4 2018-05-10 07:19:23 -04:00
rc media: rc: ite-cir: lower timeout and extend allowed timeout range 2018-05-14 07:17:28 -04:00
spi media: cxd2880-spi: Modified how to declare structure 2018-05-05 10:37:12 -04:00
tuners Linux 4.17-rc4 2018-05-10 07:19:23 -04:00
usb media: hdpvr: fix compiler warning 2018-05-25 15:31:23 -04:00
v4l2-core media: v4l2-ioctl: replace IOCTL_INFO_STD with stub functions 2018-05-11 11:26:38 -04:00
Kconfig media: cec: Kconfig coding style issue 2018-05-09 16:26:50 -04:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
media-device.c media: media-device: fix ioctl function types 2018-05-09 16:33:46 -04:00
media-devnode.c MAINTAINERS & files: Canonize the e-mails I use at files 2018-05-04 06:21:06 -04:00
media-entity.c media: media.h: reorganize header to make it easier to understand 2018-02-26 10:14:46 -05:00