diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/nv.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nv.c | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c index 2f09d870f644..3e67536f0dc9 100644 --- a/drivers/gpu/drm/amd/amdgpu/nv.c +++ b/drivers/gpu/drm/amd/amdgpu/nv.c @@ -376,9 +376,22 @@ static const struct amdgpu_ip_block_version nv_common_ip_block = .funcs = &nv_common_ip_funcs, }; -int nv_set_ip_blocks(struct amdgpu_device *adev) +static int nv_reg_base_init(struct amdgpu_device *adev) { - /* Set IP register base before any HW register access */ + int r; + + if (amdgpu_discovery) { + r = amdgpu_discovery_reg_base_init(adev); + if (r) { + DRM_WARN("failed to init reg base from ip discovery table, " + "fallback to legacy init method\n"); + goto legacy_init; + } + + return 0; + } + +legacy_init: switch (adev->asic_type) { case CHIP_NAVI10: navi10_reg_base_init(adev); @@ -393,6 +406,18 @@ int nv_set_ip_blocks(struct amdgpu_device *adev) return -EINVAL; } + return 0; +} + +int nv_set_ip_blocks(struct amdgpu_device *adev) +{ + int r; + + /* Set IP register base before any HW register access */ + r = nv_reg_base_init(adev); + if (r) + return r; + adev->nbio_funcs = &nbio_v2_3_funcs; adev->nbio_funcs->detect_hw_virt(adev); |