gpu: host1x: Fix Tegra194 syncpt interrupt threshold
authorJon Hunter <jonathanh@nvidia.com>
Mon, 29 Mar 2021 13:38:36 +0000 (16:38 +0300)
committerThierry Reding <treding@nvidia.com>
Wed, 31 Mar 2021 15:42:14 +0000 (17:42 +0200)
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@nvidia.com>
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
drivers/gpu/host1x/hw/hw_host1x07_vm.h

index 3058b3c..b766851 100644 (file)
@@ -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)