anv: force whole EU array to be powered for perf queries

Because of functional requirements for Gen11, when perf is enabled we
only power half the EU array.

This change forces it to enable everything.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Acked-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Rafael Antognolli <rafael.antognolli@intel.com>
Reviewed-by: Mark Janes <mark.a.janes@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4021>

diff --git a/src/intel/vulkan/anv_perf.c b/src/intel/vulkan/anv_perf.c
index 5c8fd5288b22c39c52ff7b69c94184333663b851..9ee54a8c2a47659a59e44447de482a755d9c265b 100644 (file)
--- a/src/intel/vulkan/anv_perf.c
+++ b/src/intel/vulkan/anv_perf.c
@@ -83,6 +83,16 @@ anv_device_perf_open(struct anv_device *device, uint64_t metric_id)
    properties[p++] = DRM_I915_PERF_PROP_HOLD_PREEMPTION;
    properties[p++] = true;
 
+   /* If global SSEU is available, pin it to the default. This will ensure on
+    * Gen11 for instance we use the full EU array. Initially when perf was
+    * enabled we would use only half on Gen11 because of functional
+    * requirements.
+    */
+   if (device->physical->perf->i915_perf_version >= 4) {
+      properties[p++] = DRM_I915_PERF_PROP_GLOBAL_SSEU;
+      properties[p++] = (uintptr_t) &device->physical->perf->sseu;
+   }
+
    memset(&param, 0, sizeof(param));
    param.flags = 0;
    param.flags |= I915_PERF_FLAG_FD_CLOEXEC | I915_PERF_FLAG_FD_NONBLOCK;