anv: Disable VK_EXT_calibrated_timestamps

GPU timestamp register can't be accessed from VF with DRM_IOCTL_I915_REG_READ so disable it. This can fix cts deqp failure dEQP-VK.pipeline.monolithic.timestamp.calibrated.* Tracked-On: OAM-118226 Signed-off-by: Lin, Shenghua <[email protected]>
Yanfeng-Mi · May 8, 2024 · 5bd3c53 · 5bd3c53
1 parent ffcd2d1
commit 5bd3c53
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/intel/common/i915/intel_gem.c b/src/intel/common/i915/intel_gem.c
@@ -207,7 +207,11 @@ i915_gem_read_render_timestamp(int fd, uint64_t *value)
    int ret = intel_ioctl(fd, DRM_IOCTL_I915_REG_READ, &reg_read);
    if (ret == 0)
       *value = reg_read.val;
-   return ret == 0;
+
+   /* GPU timestamp register can't be accessed from VF, invalid value 0xffffffffffffffff
+    * is returned in this case, so return false.
+    */
+   return ret == 0 && *value != 0xffffffffffffffff;
 }
 
 bool