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

Commit Message

Oded Gabbay July 10, 2014, 9:50 p.m. UTC

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 <[e-mail]>
---
 drivers/gpu/hsa/radeon/cik_regs.h   |  1 +
 drivers/gpu/hsa/radeon/kfd_device.c | 10 ++++++++--
 2 files changed, 9 insertions(+), 2 deletions(-)

Patch

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);
 	}