From: Andrey Shvetsov Date: Thu, 15 Sep 2016 14:19:06 +0000 (+0200) Subject: staging: most: hdm-dim2: double size of DBR buffer X-Git-Tag: v4.9.8~1233^2~608 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6631c5c9b0c3698f3977caf5694e8ece6a36f48b;p=platform%2Fkernel%2Flinux-rpi3.git staging: most: hdm-dim2: double size of DBR buffer This patch increases the size of the asynchronous and control DBR buffers in the Tx path to twice the max. message size. This patch is needed to increase the throughput for big messages. Signed-off-by: Andrey Shvetsov Signed-off-by: Christian Gromm Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/most/hdm-dim2/dim2_hdm.c b/drivers/staging/most/hdm-dim2/dim2_hdm.c index 8bef73c..78ce747 100644 --- a/drivers/staging/most/hdm-dim2/dim2_hdm.c +++ b/drivers/staging/most/hdm-dim2/dim2_hdm.c @@ -526,7 +526,7 @@ static int configure_channel(struct most_interface *most_iface, int ch_idx, hdm_ch->name, buf_size, new_size); spin_lock_irqsave(&dim_lock, flags); hal_ret = dim_init_control(&hdm_ch->ch, is_tx, ch_addr, - new_size); + is_tx ? new_size * 2 : new_size); break; case MOST_CH_ASYNC: new_size = dim_norm_ctrl_async_buffer_size(buf_size); @@ -539,7 +539,8 @@ static int configure_channel(struct most_interface *most_iface, int ch_idx, pr_warn("%s: fixed buffer size (%d -> %d)\n", hdm_ch->name, buf_size, new_size); spin_lock_irqsave(&dim_lock, flags); - hal_ret = dim_init_async(&hdm_ch->ch, is_tx, ch_addr, new_size); + hal_ret = dim_init_async(&hdm_ch->ch, is_tx, ch_addr, + is_tx ? new_size * 2 : new_size); break; case MOST_CH_ISOC_AVP: new_size = dim_norm_isoc_buffer_size(buf_size, sub_size);