drm/amdgpu: track whether the asic supports SR-IOV
Required to make desicions about certain code pathes.
Reviewed-by: Monk Liu <monk.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 811353c..f2f9b64 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1898,6 +1898,11 @@
void amdgpu_cgs_destroy_device(void *cgs_device);
+/* GPU virtualization */
+struct amdgpu_virtualization {
+ bool supports_sr_iov;
+};
+
/*
* Core structure, functions and helpers.
*/
@@ -2071,6 +2076,8 @@
/* kernel conext for IB submission */
struct amdgpu_ctx kernel_ctx;
+
+ struct amdgpu_virtualization virtualization;
};
bool amdgpu_device_is_px(struct drm_device *dev);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 4132e4e..00f3a16 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1500,6 +1500,10 @@
return r;
}
+ /* See if the asic supports SR-IOV */
+ adev->virtualization.supports_sr_iov =
+ amdgpu_atombios_has_gpu_virtualization_table(adev);
+
/* Post card if necessary */
if (!amdgpu_card_posted(adev)) {
if (!adev->bios) {