diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_securedisplay.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_securedisplay.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_securedisplay.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_securedisplay.c index 123453999093..3739be1b71e0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_securedisplay.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_securedisplay.c @@ -77,11 +77,11 @@ void psp_securedisplay_parse_resp_status(struct psp_context *psp, } } -void psp_prep_securedisplay_cmd_buf(struct psp_context *psp, struct securedisplay_cmd **cmd, +void psp_prep_securedisplay_cmd_buf(struct psp_context *psp, struct ta_securedisplay_cmd **cmd, enum ta_securedisplay_command command_id) { - *cmd = (struct securedisplay_cmd *)psp->securedisplay_context.securedisplay_shared_buf; - memset(*cmd, 0, sizeof(struct securedisplay_cmd)); + *cmd = (struct ta_securedisplay_cmd *)psp->securedisplay_context.context.mem_context.shared_buf; + memset(*cmd, 0, sizeof(struct ta_securedisplay_cmd)); (*cmd)->status = TA_SECUREDISPLAY_STATUS__GENERIC_FAILURE; (*cmd)->cmd_id = command_id; } @@ -93,7 +93,7 @@ static ssize_t amdgpu_securedisplay_debugfs_write(struct file *f, const char __u { struct amdgpu_device *adev = (struct amdgpu_device *)file_inode(f)->i_private; struct psp_context *psp = &adev->psp; - struct securedisplay_cmd *securedisplay_cmd; + struct ta_securedisplay_cmd *securedisplay_cmd; struct drm_device *dev = adev_to_drm(adev); uint32_t phy_id; uint32_t op; @@ -121,6 +121,7 @@ static ssize_t amdgpu_securedisplay_debugfs_write(struct file *f, const char __u switch (op) { case 1: + mutex_lock(&psp->securedisplay_context.mutex); psp_prep_securedisplay_cmd_buf(psp, &securedisplay_cmd, TA_SECUREDISPLAY_COMMAND__QUERY_TA); ret = psp_securedisplay_invoke(psp, TA_SECUREDISPLAY_COMMAND__QUERY_TA); @@ -131,8 +132,14 @@ static ssize_t amdgpu_securedisplay_debugfs_write(struct file *f, const char __u else psp_securedisplay_parse_resp_status(psp, securedisplay_cmd->status); } + mutex_unlock(&psp->securedisplay_context.mutex); break; case 2: + if (size < 3 || phy_id >= TA_SECUREDISPLAY_MAX_PHY) { + dev_err(adev->dev, "Invalid input: %s\n", str); + return -EINVAL; + } + mutex_lock(&psp->securedisplay_context.mutex); psp_prep_securedisplay_cmd_buf(psp, &securedisplay_cmd, TA_SECUREDISPLAY_COMMAND__SEND_ROI_CRC); securedisplay_cmd->securedisplay_in_message.send_roi_crc.phy_id = phy_id; @@ -146,12 +153,12 @@ static ssize_t amdgpu_securedisplay_debugfs_write(struct file *f, const char __u psp_securedisplay_parse_resp_status(psp, securedisplay_cmd->status); } } + mutex_unlock(&psp->securedisplay_context.mutex); break; default: dev_err(adev->dev, "Invalid input: %s\n", str); } - pm_runtime_mark_last_busy(dev->dev); pm_runtime_put_autosuspend(dev->dev); return size; @@ -170,7 +177,7 @@ void amdgpu_securedisplay_debugfs_init(struct amdgpu_device *adev) { #if defined(CONFIG_DEBUG_FS) - if (!adev->psp.securedisplay_context.securedisplay_initialized) + if (!adev->psp.securedisplay_context.context.initialized) return; debugfs_create_file("securedisplay_test", S_IWUSR, adev_to_drm(adev)->primary->debugfs_root, |