diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2020-03-04 11:23:05 +0800 |
|---|---|---|
| committer | Zhenyu Wang <zhenyuw@linux.intel.com> | 2020-03-06 09:54:01 +0800 |
| commit | aa444fc7fb887c205c31a38d398f95467a493e66 (patch) | |
| tree | 9a0357795bb1722c315cba6fc748c1567ad0b9e3 /drivers | |
| parent | 135dde8853c7e00f6002e710f7e4787ed8585c0e (diff) | |
drm/i915/gvt: cleanup debugfs scan_nonprivbb
Remove extra chatty message for debugfs scan_nonprivbb which is used
to enable scan for non privileged batch on specific engine. Just write
target i915 engine mask instead.
Cc: Ding Zhuocheng <zhuocheng.ding@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20200304032307.2983-1-zhenyuw@linux.intel.com
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/debugfs.c | 36 |
1 files changed, 1 insertions, 35 deletions
diff --git a/drivers/gpu/drm/i915/gvt/debugfs.c b/drivers/gpu/drm/i915/gvt/debugfs.c index 285f6011a537..874ee1de6b49 100644 --- a/drivers/gpu/drm/i915/gvt/debugfs.c +++ b/drivers/gpu/drm/i915/gvt/debugfs.c @@ -128,6 +128,7 @@ static int vgpu_scan_nonprivbb_get(void *data, u64 *val) { struct intel_vgpu *vgpu = (struct intel_vgpu *)data; + *val = vgpu->scan_nonprivbb; return 0; } @@ -142,42 +143,7 @@ static int vgpu_scan_nonprivbb_set(void *data, u64 val) { struct intel_vgpu *vgpu = (struct intel_vgpu *)data; - struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv; - enum intel_engine_id id; - char buf[128], *s; - int len; - - val &= (1 << I915_NUM_ENGINES) - 1; - - if (vgpu->scan_nonprivbb == val) - return 0; - - if (!val) - goto done; - - len = sprintf(buf, - "gvt: vgpu %d turns on non-privileged batch buffers scanning on Engines:", - vgpu->id); - - s = buf + len; - - for (id = 0; id < I915_NUM_ENGINES; id++) { - struct intel_engine_cs *engine; - - engine = dev_priv->engine[id]; - if (engine && (val & (1 << id))) { - len = snprintf(s, 4, "%d, ", engine->id); - s += len; - } else - val &= ~(1 << id); - } - - if (val) - sprintf(s, "low performance expected."); - - pr_warn("%s\n", buf); -done: vgpu->scan_nonprivbb = val; return 0; } |