diff options
| author | xinhui pan <xinhui.pan@amd.com> | 2019-01-23 11:35:31 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-03-19 15:36:50 -0500 |
| commit | ea11421391e718a173f8dae96517e76531043a5c (patch) | |
| tree | 08a11b4157c3828d1b663be510efc53bf05556fc /drivers/gpu/drm | |
| parent | 3ea8fb8c803ceb4afb642cc64e151317bd006b0b (diff) | |
| download | linux-ea11421391e718a173f8dae96517e76531043a5c.tar.bz2 | |
drm/amdgpu: add psp cmd submit timeout
Signed-off-by: xinhui pan <xinhui.pan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index c1b862016245..7e3e1d588d74 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -120,6 +120,7 @@ psp_cmd_submit_buf(struct psp_context *psp, { int ret; int index; + int timeout = 2000; memset(psp->cmd_buf_mem, 0, PSP_CMD_BUFFER_SIZE); @@ -133,8 +134,11 @@ psp_cmd_submit_buf(struct psp_context *psp, return ret; } - while (*((unsigned int *)psp->fence_buf) != index) + while (*((unsigned int *)psp->fence_buf) != index) { + if (--timeout == 0) + return -EINVAL; msleep(1); + } /* In some cases, psp response status is not 0 even there is no * problem while the command is submitted. Some version of PSP FW |