Check cached firmware_flags to determine if gpu virtualization is supported in vbios
Signed-off-by: Hawking Zhang <[email protected]> Reviewed-by: Alex Deucher <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c | 25 +++++++++++------------- drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 +- 3 files changed, 13 insertions(+), 16 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c index c6eb07f..2cb8546 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) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h index 77c5fb1..5d83729 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h @@ -27,7 +27,7 @@ #define get_index_into_master_table(master_table, table_name) (offsetof(struct master_table, table_name) / sizeof(uint16_t)) uint32_t amdgpu_atomfirmware_query_firmware_capability(struct amdgpu_device *adev); -bool amdgpu_atomfirmware_gpu_supports_virtualization(struct amdgpu_device *adev); +bool amdgpu_atomfirmware_gpu_virtualization_supported(struct amdgpu_device *adev); void amdgpu_atomfirmware_scratch_regs_init(struct amdgpu_device *adev); int amdgpu_atomfirmware_allocate_fb_scratch(struct amdgpu_device *adev); int amdgpu_atomfirmware_get_vram_info(struct amdgpu_device *adev, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 6881015..7c6c435e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -3034,7 +3034,7 @@ static void amdgpu_device_detect_sriov_bios(struct amdgpu_device *adev) { if (amdgpu_sriov_vf(adev)) { if (adev->is_atom_fw) { - if (amdgpu_atomfirmware_gpu_supports_virtualization(adev)) + if (amdgpu_atomfirmware_gpu_virtualization_supported(adev)) adev->virt.caps |= AMDGPU_SRIOV_CAPS_SRIOV_VBIOS; } else { if (amdgpu_atombios_has_gpu_virtualization_table(adev)) -- 2.7.4 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
