anv: Stop fetching the timestamp frequency ourselves

gen_get_device_info_from_fd fetches the timestamp frequency from the
kernel.  ANV also carrying code for it is redundant.

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4250>

diff --git a/src/intel/vulkan/anv_device.c b/src/intel/vulkan/anv_device.c
index 3cd3b0f..cffcecc 100644 (file)
--- a/src/intel/vulkan/anv_device.c
+++ b/src/intel/vulkan/anv_device.c
@@ -477,19 +477,6 @@ anv_physical_device_try_create(struct anv_instance *instance,
    device->always_flush_cache =
       driQueryOptionb(&instance->dri_options, "always_flush_cache");
 
-   /* Starting with Gen10, the timestamp frequency of the command streamer may
-    * vary from one part to another. We can query the value from the kernel.
-    */
-   if (device->info.gen >= 10) {
-      int timestamp_frequency =
-         anv_gem_get_param(fd, I915_PARAM_CS_TIMESTAMP_FREQUENCY);
-
-      if (timestamp_frequency < 0)
-         intel_logw("Kernel 4.16-rc1+ required to properly query CS timestamp frequency");
-      else
-         device->info.timestamp_frequency = timestamp_frequency;
-   }
-
    /* GENs prior to 8 do not support EU/Subslice info */
    if (device->info.gen >= 8) {
       device->subslice_total = anv_gem_get_param(fd, I915_PARAM_SUBSLICE_TOTAL);