panvk: move sparse blackhole stuff to panvk_sparse.{c,h}

While we're at it also add the SPDX header to panvk_sparse.c
because I forgor to do that when it was first being added.

Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37483>

src/panfrost/vulkan/csf/panvk_vX_bind_queue.c

@@ -15,6 +15,7 @@
 #include "panvk_macros.h"
 #include "panvk_queue.h"
 #include "panvk_utrace.h"
+#include "panvk_sparse.h"
 
 #include "util/bitscan.h"
 #include "vk_drm_syncobj.h"

src/panfrost/vulkan/meson.build

@@ -38,7 +38,6 @@ panvk_tracepoints = custom_target(
 libpanvk_files = files(
   'panvk_buffer.c',
   'panvk_cmd_pool.c',
-  'panvk_device.c',
   'panvk_device_memory.c',
   'panvk_host_copy.c',
   'panvk_image.c',
@@ -46,6 +45,7 @@ libpanvk_files = files(
   'panvk_mempool.c',
   'panvk_physical_device.c',
   'panvk_priv_bo.c',
+  'panvk_sparse.c',
   'panvk_utrace.c',
   'panvk_wsi.c',
 )

src/panfrost/vulkan/panvk_buffer.c

@@ -7,6 +7,7 @@
 #include "panvk_device.h"
 #include "panvk_device_memory.h"
 #include "panvk_entrypoints.h"
+#include "panvk_sparse.h"
 
 #include "pan_props.h"
 

src/panfrost/vulkan/panvk_device.h

@@ -177,11 +177,6 @@ panvk_as_free(struct panvk_device *device, uint64_t address, uint64_t size)
    simple_mtx_unlock(&device->as.lock);
 }
 
-VkResult panvk_map_to_blackhole(struct panvk_device *device,
-                                uint64_t address, uint64_t size);
-
-struct pan_kmod_bo *panvk_get_blackhole(struct panvk_device *device);
-
 #if PAN_ARCH
 VkResult
 panvk_per_arch(create_device)(struct panvk_physical_device *physical_device,

src/panfrost/vulkan/panvk_image.c

@@ -36,6 +36,7 @@
 #include "panvk_image.h"
 #include "panvk_instance.h"
 #include "panvk_physical_device.h"
+#include "panvk_sparse.h"
 
 #include "drm-uapi/drm_fourcc.h"
 #include "util/u_atomic.h"

src/panfrost/vulkan/panvk_sparse.c

@@ -1,4 +1,10 @@
+/*
+ * Copyright © 2025 Collabora Ltd.
+ * SPDX-License-Identifier: MIT
+ */
+
 #include "panvk_device.h"
+#include "panvk_sparse.h"
 
 #include "drm-uapi/panthor_drm.h"
 

src/panfrost/vulkan/panvk_sparse.h

@@ -0,0 +1,16 @@
+/*
+ * Copyright © 2025 Collabora Ltd.
+ * SPDX-License-Identifier: MIT
+ */
+
+#ifndef PANVK_SPARSE_H
+#define PANVK_SPARSE_H
+
+#include "vk_device.h"
+
+VkResult panvk_map_to_blackhole(struct panvk_device *device,
+                                uint64_t address, uint64_t size);
+
+struct pan_kmod_bo *panvk_get_blackhole(struct panvk_device *device);
+
+#endif