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Subject[PATCH 02/10] gpu: host1x: Print MLOCK state in debug dumps on T186
Date
Add support for dumping current MLOCK state in debug dumps also
on T186, now that MLOCKs are used by the driver.

Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
---
drivers/gpu/host1x/hw/debug_hw_1x06.c | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/host1x/hw/debug_hw_1x06.c b/drivers/gpu/host1x/hw/debug_hw_1x06.c
index b503c740c022..659dd6042ccc 100644
--- a/drivers/gpu/host1x/hw/debug_hw_1x06.c
+++ b/drivers/gpu/host1x/hw/debug_hw_1x06.c
@@ -131,5 +131,21 @@ static void host1x_debug_show_channel_fifo(struct host1x *host,

static void host1x_debug_show_mlocks(struct host1x *host, struct output *o)
{
- /* TODO */
+ unsigned int i;
+
+ if (!host->hv_regs)
+ return;
+
+ host1x_debug_output(o, "---- mlocks ----\n");
+
+ for (i = 0; i < host1x_syncpt_nb_mlocks(host); i++) {
+ u32 val = host1x_hypervisor_readl(host, HOST1X_HV_MLOCK(i));
+ if (HOST1X_HV_MLOCK_LOCKED_V(val))
+ host1x_debug_output(o, "%u: locked by channel %u\n",
+ i, HOST1X_HV_MLOCK_CH_V(val));
+ else
+ host1x_debug_output(o, "%u: unlocked\n", i);
+ }
+
+ host1x_debug_output(o, "\n");
}
--
2.14.2
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