Not all devices carry VBIOS version information. Add the device attribute only if supported.
Signed-off-by: Lijo Lazar <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c | 9 +++++++++ drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.h | 1 + drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 5 +++++ drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 2 -- 4 files changed, 15 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c index 9ba4817a9148..f4e3c133a16c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c @@ -1791,6 +1791,15 @@ const struct attribute_group amdgpu_vbios_version_attr_group = { .attrs = amdgpu_vbios_version_attrs }; +int amdgpu_atombios_sysfs_init(struct amdgpu_device *adev) +{ + if (adev->mode_info.atom_context) + return devm_device_add_group(adev->dev, + &amdgpu_vbios_version_attr_group); + + return 0; +} + /** * amdgpu_atombios_fini - free the driver info and callbacks for atombios * diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.h index 4153d520e2a3..b639a80ee3fc 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.h @@ -217,5 +217,6 @@ int amdgpu_atombios_get_data_table(struct amdgpu_device *adev, void amdgpu_atombios_fini(struct amdgpu_device *adev); int amdgpu_atombios_init(struct amdgpu_device *adev); +int amdgpu_atombios_sysfs_init(struct amdgpu_device *adev); #endif diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index e25f085ee886..eda0a598722e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -4018,6 +4018,11 @@ int amdgpu_device_init(struct amdgpu_device *adev, /* Get a log2 for easy divisions. */ adev->mm_stats.log2_max_MBps = ilog2(max(1u, max_MBps)); + r = amdgpu_atombios_sysfs_init(adev); + if (r) + drm_err(&adev->ddev, + "registering atombios sysfs failed (%d).\n", r); + r = amdgpu_pm_sysfs_init(adev); if (r) DRM_ERROR("registering pm sysfs failed (%d).\n", r); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 999d008b6b48..70455b00c36e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -2896,12 +2896,10 @@ static struct pci_error_handlers amdgpu_pci_err_handler = { extern const struct attribute_group amdgpu_vram_mgr_attr_group; extern const struct attribute_group amdgpu_gtt_mgr_attr_group; -extern const struct attribute_group amdgpu_vbios_version_attr_group; static const struct attribute_group *amdgpu_sysfs_groups[] = { &amdgpu_vram_mgr_attr_group, &amdgpu_gtt_mgr_attr_group, - &amdgpu_vbios_version_attr_group, NULL, }; -- 2.25.1
