mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-29 05:44:11 +00:00
Code Issues Releases Wiki Activity

gpu: host1x: debug: Dump push buffer state

Browse source 
When job hangs and there is a memory error pointing at channel's push
buffer, it is very handy to know the push buffer's state. This patch
makes the push buffer's state to be dumped into KMSG in addition to the
job's gathers.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Dmitry Osipenko 2020-06-29 06:18:42 +03:00 committed by Thierry Reding
parent 3568186280
commit 7c6b8cac8c
1 changed files with 6 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
drivers/gpu/host1x/hw/debug_hw.c
View file

@ -192,8 +192,14 @@ static void show_gather(struct output *o, phys_addr_t phys_addr,
static void show_channel_gathers(struct output *o, struct host1x_cdma *cdma)
{
struct push_buffer *pb = &cdma->push_buffer;
struct host1x_job *job;
host1x_debug_output(o, "PUSHBUF at %pad, %u words\n",
&pb->dma, pb->size / 4);
show_gather(o, pb->dma, pb->size / 4, cdma, pb->dma, pb->mapped);
list_for_each_entry(job, &cdma->sync_queue, list) {
unsigned int i;