gpu: ipu-v3: allocate ipuv3_channels as needed

Browse source

Most of the 64 IPUv3 DMA channels are never used, some of them (channels
16, 30, 32, 34-39, and 53-63) are even marked as reserved.
Allocate the channel control structure only when a channel is actually
requested, replace the fixed size array with a list, and remove the
unused enabled and busy fields from the ipuv3_channel structure.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>

...

This commit is contained in:

Philipp Zabel 2017-05-08 12:45:52 +02:00

parent e1e9733cd3

commit 93adc8b570

2 changed files with 17 additions and 14 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

23

drivers/gpu/ipu-v3/ipu-common.c

View file

8

drivers/gpu/ipu-v3/ipu-prv.h

View file