Messages in this thread Patch in this message | | | Date | Mon, 5 Sep 2022 10:08:08 +0200 | Subject | Re: [PATCH 06/12] drm/udl: Increase the default URB list size to 20 | From | Thomas Zimmermann <> |
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Hi
Am 16.08.22 um 17:36 schrieb Takashi Iwai: > 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. > > Signed-off-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
> --- > drivers/gpu/drm/udl/udl_main.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/udl/udl_main.c b/drivers/gpu/drm/udl/udl_main.c > index 6aed6e0f669c..2b7eafd48ec2 100644 > --- a/drivers/gpu/drm/udl/udl_main.c > +++ b/drivers/gpu/drm/udl/udl_main.c > @@ -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)
-- Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Maxfeldstr. 5, 90409 Nürnberg, Germany (HRB 36809, AG Nürnberg) Geschäftsführer: Ivo Totev [unhandled content-type:application/pgp-signature] | |