Commit 7c6b8cac authored by Dmitry Osipenko's avatar Dmitry Osipenko Committed by Thierry Reding
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gpu: host1x: debug: Dump push buffer state 



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: default avatarDmitry Osipenko <digetx@gmail.com>
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent 35681862

drivers/gpu/host1x/hw/debug_hw.c

+6 −0
Original line number Diff line number Diff line
@@ -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;