kybaaz/linux-xiaomi-chiron
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

drm/udl: Increase the default URB list size to 20

Browse source 
It seems that the current size (4) for the URB list is too small on
some devices, and it resulted in the occasional stalls.  Increase the
default URB list size to 20 for working around it.

Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220908095115.23396-7-tiwai@suse.de
This commit is contained in:
Takashi Iwai 2022-09-08 11:51:09 +02:00 • committed by Thomas Zimmermann
parent 53593515ec
commit 2a07a5ddb1
1 changed files with 1 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

2
drivers/gpu/drm/udl/udl_main.c
View file

@ -20,7 +20,7 @@
#define NR_USB_REQUEST_CHANNEL 0x12
#define MAX_TRANSFER (PAGE_SIZE*16 - BULK_SIZE)
#define WRITES_IN_FLIGHT (4)
#define WRITES_IN_FLIGHT (20)
#define MAX_VENDOR_DESCRIPTOR_SIZE 256
static int udl_parse_vendor_descriptor(struct udl_device *udl)