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| author | Hawking Zhang <Hawking.Zhang@amd.com> | 2021-05-13 21:56:50 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-05-19 22:30:06 -0400 |
| commit | 58ff791ad3ef468fe8f00eb8849b435fe52811d3 (patch) | |
| tree | 44fa86a0133d71be4b503c1c2332918f2dfb86b1 /drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c | |
| parent | 5968c6a2ba8f98fcdb64c5ef4c7ebce2a98b0f45 (diff) | |
| download | linux-58ff791ad3ef468fe8f00eb8849b435fe52811d3.tar.bz2 | |
drm/amdgpu: switch to cached fw flags for gpu virt cap
Check cached firmware_flags to determine if gpu
virtualization is supported in vbios
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: John Clements <john.clements@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c | 25 |
1 files changed, 11 insertions, 14 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c index c6eb07f5235a..2cb854608289 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c @@ -68,23 +68,20 @@ uint32_t amdgpu_atomfirmware_query_firmware_capability(struct amdgpu_device *ade return fw_cap; } -bool amdgpu_atomfirmware_gpu_supports_virtualization(struct amdgpu_device *adev) +/* + * Helper function to query gpu virtualizaiton capability + * + * @adev: amdgpu_device pointer + * + * Return true if gpu virtualization is supported or false if not + */ +bool amdgpu_atomfirmware_gpu_virtualization_supported(struct amdgpu_device *adev) { - int index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1, - firmwareinfo); - uint16_t data_offset; + u32 fw_cap; - if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, NULL, - NULL, NULL, &data_offset)) { - struct atom_firmware_info_v3_1 *firmware_info = - (struct atom_firmware_info_v3_1 *)(adev->mode_info.atom_context->bios + - data_offset); + fw_cap = adev->mode_info.firmware_flags; - if (le32_to_cpu(firmware_info->firmware_capability) & - ATOM_FIRMWARE_CAP_GPU_VIRTUALIZATION) - return true; - } - return false; + return (fw_cap & ATOM_FIRMWARE_CAP_GPU_VIRTUALIZATION) ? true : false; } void amdgpu_atomfirmware_scratch_regs_init(struct amdgpu_device *adev) |