From: Dmitry Osipenko Date: Mon, 29 Jun 2020 03:18:42 +0000 (+0300) Subject: gpu: host1x: debug: Dump push buffer state X-Git-Tag: v5.15~3115^2~15^2~7 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7c6b8cac8c19240f013a62f133e2dc8cfeb7a206;p=platform%2Fkernel%2Flinux-starfive.git 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: Dmitry Osipenko Signed-off-by: Thierry Reding --- diff --git a/drivers/gpu/host1x/hw/debug_hw.c b/drivers/gpu/host1x/hw/debug_hw.c index 0212584..f31bcfa 100644 --- a/drivers/gpu/host1x/hw/debug_hw.c +++ b/drivers/gpu/host1x/hw/debug_hw.c @@ -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;