Re: [PATCH v16 08/40] gpu: host1x: Add initial runtime PM and OPP support

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On 22/12/2021 19:01, Dmitry Osipenko wrote:

...

diff --git a/drivers/gpu/host1x/syncpt.c b/drivers/gpu/host1x/syncpt.c
index e08e331e46ae..8194826c9ce3 100644
--- a/drivers/gpu/host1x/syncpt.c
+++ b/drivers/gpu/host1x/syncpt.c
@@ -137,6 +137,15 @@ void host1x_syncpt_restore(struct host1x *host)
  	struct host1x_syncpt *sp_base = host->syncpt;
  	unsigned int i;

+	for (i = 0; i < host->info->nb_pts; i++) {
+		/*
+		 * Unassign syncpt from channels for purposes of Tegra186
+		 * syncpoint protection. This prevents any channel from
+		 * accessing it until it is reassigned.
+		 */
+		host1x_hw_syncpt_assign_to_channel(host, sp_base + i, NULL);
+	}
+
  	for (i = 0; i < host1x_syncpt_nb_pts(host); i++)
  		host1x_hw_syncpt_restore(host, sp_base + i);

@@ -352,13 +361,6 @@ int host1x_syncpt_init(struct host1x *host)
  	for (i = 0; i < host->info->nb_pts; i++) {
  		syncpt[i].id = i;
  		syncpt[i].host = host;
-
-		/*
-		 * Unassign syncpt from channels for purposes of Tegra186
-		 * syncpoint protection. This prevents any channel from
-		 * accessing it until it is reassigned.
-		 */
-		host1x_hw_syncpt_assign_to_channel(host, &syncpt[i], NULL);
  	}

  	for (i = 0; i < host->info->nb_bases; i++)



Thanks! This fixed it!

Jon

--
nvpublic



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