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path: root/drivers/gpu/drm/i915/i915_module.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_module.c')
-rw-r--r--drivers/gpu/drm/i915/i915_module.c124
1 files changed, 124 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_module.c b/drivers/gpu/drm/i915/i915_module.c
new file mode 100644
index 000000000000..d8b4482c69d0
--- /dev/null
+++ b/drivers/gpu/drm/i915/i915_module.c
@@ -0,0 +1,124 @@
+/*
+ * SPDX-License-Identifier: MIT
+ *
+ * Copyright © 2021 Intel Corporation
+ */
+
+#include <linux/console.h>
+
+#include "gem/i915_gem_context.h"
+#include "gem/i915_gem_object.h"
+#include "i915_active.h"
+#include "i915_buddy.h"
+#include "i915_params.h"
+#include "i915_pci.h"
+#include "i915_perf.h"
+#include "i915_request.h"
+#include "i915_scheduler.h"
+#include "i915_selftest.h"
+#include "i915_vma.h"
+
+static int i915_check_nomodeset(void)
+{
+ bool use_kms = true;
+
+ /*
+ * Enable KMS by default, unless explicitly overriden by
+ * either the i915.modeset prarameter or by the
+ * vga_text_mode_force boot option.
+ */
+
+ if (i915_modparams.modeset == 0)
+ use_kms = false;
+
+ if (vgacon_text_force() && i915_modparams.modeset == -1)
+ use_kms = false;
+
+ if (!use_kms) {
+ /* Silently fail loading to not upset userspace. */
+ DRM_DEBUG_DRIVER("KMS disabled.\n");
+ return 1;
+ }
+
+ return 0;
+}
+
+static const struct {
+ int (*init)(void);
+ void (*exit)(void);
+} init_funcs[] = {
+ { .init = i915_check_nomodeset },
+ { .init = i915_active_module_init,
+ .exit = i915_active_module_exit },
+ { .init = i915_buddy_module_init,
+ .exit = i915_buddy_module_exit },
+ { .init = i915_context_module_init,
+ .exit = i915_context_module_exit },
+ { .init = i915_gem_context_module_init,
+ .exit = i915_gem_context_module_exit },
+ { .init = i915_objects_module_init,
+ .exit = i915_objects_module_exit },
+ { .init = i915_request_module_init,
+ .exit = i915_request_module_exit },
+ { .init = i915_scheduler_module_init,
+ .exit = i915_scheduler_module_exit },
+ { .init = i915_vma_module_init,
+ .exit = i915_vma_module_exit },
+ { .init = i915_mock_selftests },
+ { .init = i915_pmu_init,
+ .exit = i915_pmu_exit },
+ { .init = i915_register_pci_driver,
+ .exit = i915_unregister_pci_driver },
+ { .init = i915_perf_sysctl_register,
+ .exit = i915_perf_sysctl_unregister },
+};
+static int init_progress;
+
+static int __init i915_init(void)
+{
+ int err, i;
+
+ for (i = 0; i < ARRAY_SIZE(init_funcs); i++) {
+ err = init_funcs[i].init();
+ if (err < 0) {
+ while (i--) {
+ if (init_funcs[i].exit)
+ init_funcs[i].exit();
+ }
+ return err;
+ } else if (err > 0) {
+ /*
+ * Early-exit success is reserved for things which
+ * don't have an exit() function because we have no
+ * idea how far they got or how to partially tear
+ * them down.
+ */
+ WARN_ON(init_funcs[i].exit);
+ break;
+ }
+ }
+
+ init_progress = i;
+
+ return 0;
+}
+
+static void __exit i915_exit(void)
+{
+ int i;
+
+ for (i = init_progress - 1; i >= 0; i--) {
+ GEM_BUG_ON(i >= ARRAY_SIZE(init_funcs));
+ if (init_funcs[i].exit)
+ init_funcs[i].exit();
+ }
+}
+
+module_init(i915_init);
+module_exit(i915_exit);
+
+MODULE_AUTHOR("Tungsten Graphics, Inc.");
+MODULE_AUTHOR("Intel Corporation");
+
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL and additional rights");