for vgpu, it doesn't support display crc feature.
this patch is to skip pipe crc create and report ENODEV
during set_crc_source. igt display crc relatated cases will be
failed instead of dead sleep.
Signed-off-by: Xiaolin Zhang <xiaolin.zh...@intel.com>
---
drivers/gpu/drm/i915/intel_pipe_crc.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_pipe_crc.c
b/drivers/gpu/drm/i915/intel_pipe_crc.c
index 1f5cd572a7ff..a4885127a0dc 100644
--- a/drivers/gpu/drm/i915/intel_pipe_crc.c
+++ b/drivers/gpu/drm/i915/intel_pipe_crc.c
@@ -899,6 +899,9 @@ int intel_pipe_crc_create(struct drm_minor *minor)
struct dentry *ent;
int i;
+ if (dev_priv->vgpu.active)
+ return 0;
+
for (i = 0; i < ARRAY_SIZE(i915_pipe_crc_data); i++) {
struct pipe_crc_info *info = &i915_pipe_crc_data[i];
@@ -923,6 +926,9 @@ int intel_crtc_set_crc_source(struct drm_crtc *crtc, const
char *source_name,
u32 val = 0; /* shut up gcc */
int ret = 0;
+ if (dev_priv->vgpu.active)
+ return -ENODEV;
+
if (display_crc_ctl_parse_source(source_name, &source) < 0) {
DRM_DEBUG_DRIVER("unknown source %s\n", source_name);
return -EINVAL;
--
2.14.2
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