intel: Add has_context_isolation to intel_device_info

Iris, hasvk and anv were fetching the same information, better do it
on one place.

Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19425>

src/gallium/drivers/iris/iris_screen.c

@@ -784,8 +784,7 @@ iris_screen_create(int fd, const struct pipe_screen_config *config)
     *
     * Checking the last feature availability will include all previous ones.
     */
-   int v;
-   if (!intel_gem_get_param(fd, I915_PARAM_HAS_CONTEXT_ISOLATION, &v) || !v) {
+   if (!screen->devinfo.has_context_isolation) {
       debug_error("Kernel is too old (4.16+ required) or unusable for Iris.\n"
                   "Check your dmesg logs for loading failures.\n");
       return NULL;

src/intel/dev/intel_device_info.c

@@ -2008,6 +2008,8 @@ intel_i915_get_device_info_from_fd(int fd, struct intel_device_info *devinfo)
       devinfo->has_mmap_offset = val >= 4;
    if (getparam(fd, I915_PARAM_HAS_USERPTR_PROBE, &val))
       devinfo->has_userptr_probe = val;
+   if (getparam(fd, I915_PARAM_HAS_CONTEXT_ISOLATION, &val))
+      devinfo->has_context_isolation = val;
 
    return true;
 }

src/intel/dev/intel_device_info.h

@@ -148,6 +148,7 @@ struct intel_device_info
    bool has_mesh_shading;
    bool has_mmap_offset;
    bool has_userptr_probe;
+   bool has_context_isolation;
 
    /**
     * \name Intel hardware quirks

src/intel/vulkan/anv_device.c

@@ -793,9 +793,6 @@ anv_i915_physical_device_get_parameters(struct anv_physical_device *device)
       device->max_context_priority = priorities[i];
    }
 
-   if (intel_gem_get_param(fd, I915_PARAM_HAS_CONTEXT_ISOLATION, &val))
-      device->has_context_isolation = val;
-
    if (intel_gem_get_param(fd, I915_PARAM_HAS_EXEC_TIMELINE_FENCES, &val))
       device->has_exec_timeline = val;
 
@@ -956,7 +953,7 @@ anv_physical_device_try_create(struct vk_instance *vk_instance,
    device->compiler->shader_debug_log = compiler_debug_log;
    device->compiler->shader_perf_log = compiler_perf_log;
    device->compiler->constant_buffer_0_is_relative =
-      !device->has_context_isolation;
+      !device->info.has_context_isolation;
    device->compiler->supports_shader_constants = true;
    device->compiler->indirect_ubos_use_sampler = device->info.ver < 12;
 

src/intel/vulkan/anv_private.h

@@ -963,7 +963,6 @@ struct anv_physical_device {
     bool                                        has_exec_async;
     bool                                        has_exec_capture;
     VkQueueGlobalPriorityKHR                    max_context_priority;
-    bool                                        has_context_isolation;
     uint64_t                                    gtt_size;
 
     bool                                        always_use_bindless;

src/intel/vulkan/genX_state.c

@@ -424,7 +424,7 @@ init_render_queue_state(struct anv_queue *queue)
     *
     * This is only safe on kernels with context isolation support.
     */
-   if (device->physical->has_context_isolation) {
+   if (device->physical->info.has_context_isolation) {
       anv_batch_write_reg(&batch, GENX(CS_DEBUG_MODE2), csdm2) {
          csdm2.CONSTANT_BUFFERAddressOffsetDisable = true;
          csdm2.CONSTANT_BUFFERAddressOffsetDisableMask = true;

src/intel/vulkan_hasvk/anv_device.c

@@ -819,9 +819,6 @@ anv_physical_device_try_create(struct vk_instance *vk_instance,
    assert(device->supports_48bit_addresses == !device->use_relocations);
    device->use_softpin = !device->use_relocations;
 
-   if (intel_gem_get_param(fd, I915_PARAM_HAS_CONTEXT_ISOLATION, &val))
-      device->has_context_isolation = val;
-
    if (intel_gem_get_param(fd, I915_PARAM_HAS_EXEC_TIMELINE_FENCES, &val))
       device->has_exec_timeline = val;
    if (debug_get_bool_option("ANV_QUEUE_THREAD_DISABLE", false))
@@ -890,7 +887,7 @@ anv_physical_device_try_create(struct vk_instance *vk_instance,
    device->compiler->shader_debug_log = compiler_debug_log;
    device->compiler->shader_perf_log = compiler_perf_log;
    device->compiler->constant_buffer_0_is_relative =
-      device->info.ver < 8 || !device->has_context_isolation;
+      device->info.ver < 8 || !device->info.has_context_isolation;
    device->compiler->supports_shader_constants = true;
    device->compiler->indirect_ubos_use_sampler = device->info.ver < 12;
 

src/intel/vulkan_hasvk/anv_private.h

@@ -962,7 +962,6 @@ struct anv_physical_device {
     bool                                        has_exec_async;
     bool                                        has_exec_capture;
     int                                         max_context_priority;
-    bool                                        has_context_isolation;
     uint64_t                                    gtt_size;
 
     bool                                        use_relocations;

src/intel/vulkan_hasvk/genX_state.c

@@ -387,7 +387,7 @@ init_render_queue_state(struct anv_queue *queue)
     *
     * This is only safe on kernels with context isolation support.
     */
-   if (GFX_VER >= 8 && device->physical->has_context_isolation) {
+   if (GFX_VER >= 8 && device->physical->info.has_context_isolation) {
 #if GFX_VER >= 9
       anv_batch_write_reg(&batch, GENX(CS_DEBUG_MODE2), csdm2) {
          csdm2.CONSTANT_BUFFERAddressOffsetDisable = true;