drm/amdgpu/sdma: remove manual instance setting

Handled by IP discovery now.
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c

@@ -1856,23 +1856,6 @@ static int sdma_v4_0_early_init(void *handle)
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 	int r;
 
-	switch (adev->ip_versions[SDMA0_HWIP]) {
-	case IP_VERSION(4, 1, 0):
-	case IP_VERSION(4, 1, 1):
-	case IP_VERSION(4, 1, 2):
-		adev->sdma.num_instances = 1;
-		break;
-	case IP_VERSION(4, 2, 2):
-		adev->sdma.num_instances = 8;
-		break;
-	case IP_VERSION(4, 4, 0):
-		adev->sdma.num_instances = 5;
-		break;
-	default:
-		adev->sdma.num_instances = 2;
-		break;
-	}
-
 	r = sdma_v4_0_init_microcode(adev);
 	if (r) {
 		DRM_ERROR("Failed to load sdma firmware!\n");

drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c

@@ -1295,8 +1295,6 @@ static int sdma_v5_0_early_init(void *handle)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
-	adev->sdma.num_instances = 2;
-
 	sdma_v5_0_set_ring_funcs(adev);
 	sdma_v5_0_set_buffer_funcs(adev);
 	sdma_v5_0_set_vm_pte_funcs(adev);

drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c

@@ -1217,23 +1217,6 @@ static int sdma_v5_2_early_init(void *handle)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
-	switch (adev->ip_versions[SDMA0_HWIP]) {
-	case IP_VERSION(5, 2, 0):
-		adev->sdma.num_instances = 4;
-		break;
-	case IP_VERSION(5, 2, 2):
-	case IP_VERSION(5, 2, 4):
-		adev->sdma.num_instances = 2;
-		break;
-	case IP_VERSION(5, 2, 1):
-	case IP_VERSION(5, 2, 5):
-	case IP_VERSION(5, 2, 3):
-		adev->sdma.num_instances = 1;
-		break;
-	default:
-		break;
-	}
-
 	sdma_v5_2_set_ring_funcs(adev);
 	sdma_v5_2_set_buffer_funcs(adev);
 	sdma_v5_2_set_vm_pte_funcs(adev);