diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index a22485eedd81..7c20994be0c0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -3570,6 +3570,11 @@ void psp_copy_fw(struct psp_context *psp, uint8_t *start_addr, uint32_t bin_size drm_dev_exit(idx); } +/** + * DOC: usbc_pd_fw + * Reading from this file will retrieve the USB-C PD firmware version. Writing to + * this file will trigger the update process. + */ static DEVICE_ATTR(usbc_pd_fw, 0644, psp_usbc_pd_fw_sysfs_read, psp_usbc_pd_fw_sysfs_write); @@ -3663,6 +3668,11 @@ rel_buf: return 0; } +/** + * DOC: psp_vbflash + * Writing to this file will stage an IFWI for update. Reading from this file + * will trigger the update process. + */ static struct bin_attribute psp_vbflash_bin_attr = { .attr = {.name = "psp_vbflash", .mode = 0660}, .size = 0, @@ -3670,6 +3680,12 @@ static struct bin_attribute psp_vbflash_bin_attr = { .read = amdgpu_psp_vbflash_read, }; +/** + * DOC: psp_vbflash_status + * The status of the flash process. + * 0: IFWI flash not complete. + * 1: IFWI flash complete. + */ static ssize_t amdgpu_psp_vbflash_status(struct device *dev, struct device_attribute *attr, char *buf) |