[PATCH 1/2] drm/amdgpu: Add pcie usage callback to nbio

[Asad Kamal]

Add a callback in nbio to get pcie usage

Signed-off-by: Asad Kamal <asad.kamal at amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar at amd.com>
Reviewed-by: Shiwu Zhang <shiwu.zhang at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.c | 8 ++++++++
 drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h | 3 +++
 2 files changed, 11 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.c
index a3bc00577a7c..f65903a41e6f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.c
@@ -45,6 +45,14 @@ int amdgpu_nbio_ras_sw_init(struct amdgpu_device *adev)
 	return 0;
 }
 
+void amdgpu_nbio_get_pcie_usage(struct amdgpu_device *adev, uint64_t *count0,
+				uint64_t *count1)
+{
+	if (adev->nbio.funcs->get_pcie_usage)
+		adev->nbio.funcs->get_pcie_usage(adev, count0, count1);
+
+}
+
 int amdgpu_nbio_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *ras_block)
 {
 	int r;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h
index 8ab8ae01f87c..39bf845c9cc8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h
@@ -99,6 +99,8 @@ struct amdgpu_nbio_funcs {
 	int (*get_compute_partition_mode)(struct amdgpu_device *adev);
 	u32 (*get_memory_partition_mode)(struct amdgpu_device *adev,
 					 u32 *supp_modes);
+	void (*get_pcie_usage)(struct amdgpu_device *adevi, uint64_t *count0,
+					uint64_t *count1);
 };
 
 struct amdgpu_nbio {
@@ -111,5 +113,6 @@ struct amdgpu_nbio {
 };
 
 int amdgpu_nbio_ras_sw_init(struct amdgpu_device *adev);
+void amdgpu_nbio_get_pcie_usage(struct amdgpu_device *adev, uint64_t *count0, uint64_t *count1);
 int amdgpu_nbio_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *ras_block);
 #endif
-- 
2.34.1