diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2016-02-01 11:00:49 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-02-10 14:17:10 -0500 |
| commit | e74adf2039f98a30865ea7ef98689007c241c995 (patch) | |
| tree | 64b7c1c6027cd13fedcf620f2385e7b35db681a7 /drivers/gpu/drm | |
| parent | 383b6f608b88315f81ffd09cfed2ab7c633b1ec9 (diff) | |
drm/amdgpu: add check for atombios GPU virtualization table
This table is found on boards that support SR-IOV. This will
be used to determine if the board supports SR-IOV and allow
the driver to take specific action in certain cases.
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>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c | 13 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.h | 2 |
2 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c index 9416e0f5c1db..84b0ce39ee14 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c @@ -1514,6 +1514,19 @@ int amdgpu_atombios_init_mc_reg_table(struct amdgpu_device *adev, return -EINVAL; } +bool amdgpu_atombios_has_gpu_virtualization_table(struct amdgpu_device *adev) +{ + int index = GetIndexIntoMasterTable(DATA, GPUVirtualizationInfo); + u8 frev, crev; + u16 data_offset, size; + + if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, &size, + &frev, &crev, &data_offset)) + return true; + + return false; +} + void amdgpu_atombios_scratch_regs_lock(struct amdgpu_device *adev, bool lock) { uint32_t bios_6_scratch; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.h index 0ebb959ea435..9e1442053fe4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.h @@ -196,6 +196,8 @@ int amdgpu_atombios_init_mc_reg_table(struct amdgpu_device *adev, u8 module_index, struct atom_mc_reg_table *reg_table); +bool amdgpu_atombios_has_gpu_virtualization_table(struct amdgpu_device *adev); + void amdgpu_atombios_scratch_regs_lock(struct amdgpu_device *adev, bool lock); void amdgpu_atombios_scratch_regs_init(struct amdgpu_device *adev); void amdgpu_atombios_scratch_regs_save(struct amdgpu_device *adev); |