drm/amdgpu: limit the VM address space with older VCE FW versions
Older VCE FW versions are buggy and can't work with 48bit address
spaces.
RFC: Should we limit the address space or just reject loading the older
VCE firmware?
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.h
index 0fd378a..7178126 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.h
@@ -30,6 +30,8 @@
#define AMDGPU_VCE_HARVEST_VCE0 (1 << 0)
#define AMDGPU_VCE_HARVEST_VCE1 (1 << 1)
+#define AMDGPU_VCE_FW_53_45 ((53 << 24) | (45 << 16))
+
struct amdgpu_vce {
struct amdgpu_bo *vcpu_bo;
uint64_t gpu_addr;