diff options
| author | Kevin Wang <kevin1.wang@amd.com> | 2020-08-17 16:57:20 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-08-17 14:06:37 -0400 |
| commit | 4444457450fa66860fca856c6dd20f7acde80efa (patch) | |
| tree | 6c8540f4ac880f83c0e439eb51857f973809339c /drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | |
| parent | 736b17297857cf533649a4161d1369e3cde0d922 (diff) | |
drm/amdgpu: add condition check for trace_amdgpu_cs()
v1:
add trace event enabled check to avoid nop loop when submit multi ibs
in amdgpu_cs_ioctl() function.
v2:
add a new wrapper function to trace all amdgpu cs ibs.
Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index a512ccbc4dea..10c0779aba73 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -1275,13 +1275,24 @@ error_unlock: return r; } +static void trace_amdgpu_cs_ibs(struct amdgpu_cs_parser *parser) +{ + int i; + + if (!trace_amdgpu_cs_enabled()) + return; + + for (i = 0; i < parser->job->num_ibs; i++) + trace_amdgpu_cs(parser, i); +} + int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) { struct amdgpu_device *adev = dev->dev_private; union drm_amdgpu_cs *cs = data; struct amdgpu_cs_parser parser = {}; bool reserved_buffers = false; - int i, r; + int r; if (amdgpu_ras_intr_triggered()) return -EHWPOISON; @@ -1319,8 +1330,7 @@ int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) reserved_buffers = true; - for (i = 0; i < parser.job->num_ibs; i++) - trace_amdgpu_cs(&parser, i); + trace_amdgpu_cs_ibs(&parser); r = amdgpu_cs_vm_handling(&parser); if (r) |