[PATCH v6 10/10] gpu: host1x: Fix Tegra194 syncpt interrupt threshold

Mikko Perttunen mperttunen at nvidia.com
Mon Mar 29 13:38:36 UTC 2021


From: Jon Hunter <jonathanh at nvidia.com>

Syncpoint interrupts are not working as expected on Tegra194. The
problem is that the syncpoint interrupt threshold being used is the
global interrupt threshold and not the virtual interrupt threshold.
Fix this by using the virtual interrupt threshold which aligns with
downstream.

Signed-off-by: Jon Hunter <jonathanh at nvidia.com>
Signed-off-by: Mikko Perttunen <mperttunen at nvidia.com>
---
 drivers/gpu/host1x/hw/hw_host1x07_vm.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/host1x/hw/hw_host1x07_vm.h b/drivers/gpu/host1x/hw/hw_host1x07_vm.h
index 3058b3c9a91d..b766851d5b83 100644
--- a/drivers/gpu/host1x/hw/hw_host1x07_vm.h
+++ b/drivers/gpu/host1x/hw/hw_host1x07_vm.h
@@ -29,6 +29,6 @@
 #define HOST1X_SYNC_SYNCPT_THRESH_INT_ENABLE_CPU0(x)	(0x652c + 4 * (x))
 #define HOST1X_SYNC_SYNCPT_THRESH_INT_DISABLE(x)	(0x6590 + 4 * (x))
 #define HOST1X_SYNC_SYNCPT(x)				(0x8080 + 4 * (x))
-#define HOST1X_SYNC_SYNCPT_INT_THRESH(x)		(0x8d00 + 4 * (x))
+#define HOST1X_SYNC_SYNCPT_INT_THRESH(x)		(0x9980 + 4 * (x))
 #define HOST1X_SYNC_SYNCPT_CH_APP(x)			(0xa604 + 4 * (x))
 #define HOST1X_SYNC_SYNCPT_CH_APP_CH(v)			(((v) & 0x3f) << 8)
-- 
2.30.1



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