drm/amdgpu: Add soft reset callback to SDMA v4.4.x

Implement soft reset engine callback for SDMA 4.4.x IPs. This avoids IP
version check in generic implementation.

V2: Correct physical instance ID calculation in soft_reset_engine (Jesse)

Signed-off-by: Lijo Lazar <[email protected]>
Signed-off-by: Jesse Zhang <[email protected]>
Reviewed-by: Alex Deucher <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

1 files changed, 3 insertions, 29 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c
index 9b54a1ece447..a1e54bcef495 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c
@@ -534,37 +534,11 @@ bool amdgpu_sdma_is_shared_inv_eng(struct amdgpu_device *adev, struct amdgpu_rin
 static int amdgpu_sdma_soft_reset(struct amdgpu_device *adev, u32 instance_id)
 {
 	struct amdgpu_sdma_instance *sdma_instance = &adev->sdma.instance[instance_id];
-	int r = -EOPNOTSUPP;
 
-	switch (amdgpu_ip_version(adev, SDMA0_HWIP, 0)) {
-	case IP_VERSION(4, 4, 2):
-	case IP_VERSION(4, 4, 4):
-	case IP_VERSION(4, 4, 5):
-		/* For SDMA 4.x, use the existing DPM interface for backward compatibility,
-		 * we need to convert the logical instance ID to physical instance ID before reset.
-		 */
-		r = amdgpu_dpm_reset_sdma(adev, 1 << GET_INST(SDMA0, instance_id));
-		break;
-	case IP_VERSION(5, 0, 0):
-	case IP_VERSION(5, 0, 1):
-	case IP_VERSION(5, 0, 2):
-	case IP_VERSION(5, 0, 5):
-	case IP_VERSION(5, 2, 0):
-	case IP_VERSION(5, 2, 2):
-	case IP_VERSION(5, 2, 4):
-	case IP_VERSION(5, 2, 5):
-	case IP_VERSION(5, 2, 6):
-	case IP_VERSION(5, 2, 3):
-	case IP_VERSION(5, 2, 1):
-	case IP_VERSION(5, 2, 7):
-		if (sdma_instance->funcs->soft_reset_kernel_queue)
-			r = sdma_instance->funcs->soft_reset_kernel_queue(adev, instance_id);
-		break;
-	default:
-		break;
-	}
+	if (sdma_instance->funcs->soft_reset_kernel_queue)
+		return sdma_instance->funcs->soft_reset_kernel_queue(adev, instance_id);
 
-	return r;
+	return -EOPNOTSUPP;
 }
 
 /**