[PATCH 19/83] hsa/radeon: Enable/Disable KFD interrupt module

[Oded Gabbay]

This patch add calls to initialize and finalize the KFD interrupt
module.

The calls are done per device initialize/finalize inside the kgd-->kfd
interface.

Signed-off-by: Oded Gabbay <oded.gabbay at amd.com>
---
 drivers/gpu/hsa/radeon/cik_regs.h   |  1 +
 drivers/gpu/hsa/radeon/kfd_device.c | 10 ++++++++--
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/hsa/radeon/cik_regs.h 
b/drivers/gpu/hsa/radeon/cik_regs.h
index 9c3ce97..813cdc4 100644
--- a/drivers/gpu/hsa/radeon/cik_regs.h
+++ b/drivers/gpu/hsa/radeon/cik_regs.h
@@ -73,6 +73,7 @@
 #define CP_PQ_WPTR_POLL_CNTL                           0xC20C
 #define        WPTR_POLL_EN                                    (1 << 31)

+#define CPC_INT_CNTL                                   0xC2D0
 #define CP_ME1_PIPE0_INT_CNTL                          0xC214
 #define CP_ME1_PIPE1_INT_CNTL                          0xC218
 #define CP_ME1_PIPE2_INT_CNTL                          0xC21C
diff --git a/drivers/gpu/hsa/radeon/kfd_device.c 
b/drivers/gpu/hsa/radeon/kfd_device.c
index b2d2861..b627e57 100644
--- a/drivers/gpu/hsa/radeon/kfd_device.c
+++ b/drivers/gpu/hsa/radeon/kfd_device.c
@@ -127,6 +127,9 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd,

        radeon_kfd_doorbell_init(kfd);

+       if (radeon_kfd_interrupt_init(kfd))
+               return false;
+
        if (!device_iommu_pasid_init(kfd))
                return false;

@@ -155,10 +158,13 @@ void kgd2kfd_device_exit(struct kfd_dev *kfd)

        BUG_ON(err != 0);

-       if (kfd->init_complete) {
+       if (kfd->init_complete)
                kfd->device_info->scheduler_class->stop(kfd->scheduler);
-               kfd->device_info->scheduler_class->destroy(kfd->scheduler);

+       radeon_kfd_interrupt_exit(kfd);
+
+       if (kfd->init_complete) {
+               kfd->device_info->scheduler_class->destroy(kfd->scheduler);
                amd_iommu_free_device(kfd->pdev);
        }

-- 
1.9.1