From: Jon Hunter jonathanh@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@nvidia.com Signed-off-by: Mikko Perttunen mperttunen@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)