126 lines
2.8 KiB
C
126 lines
2.8 KiB
C
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/*
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* SPDX-License-Identifier: MIT
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*
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* Copyright © 2021 Intel Corporation
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*/
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#include <drm/drm_drv.h>
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#include "gem/i915_gem_context.h"
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#include "gem/i915_gem_object.h"
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#include "i915_active.h"
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#include "i915_driver.h"
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#include "i915_params.h"
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#include "i915_pci.h"
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#include "i915_perf.h"
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#include "i915_request.h"
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#include "i915_scheduler.h"
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#include "i915_selftest.h"
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#include "i915_vma.h"
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#include "i915_vma_resource.h"
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static int i915_check_nomodeset(void)
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{
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bool use_kms = true;
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/*
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* Enable KMS by default, unless explicitly overriden by
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* either the i915.modeset parameter or by the
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* nomodeset boot option.
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*/
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if (i915_modparams.modeset == 0)
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use_kms = false;
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if (drm_firmware_drivers_only() && i915_modparams.modeset == -1)
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use_kms = false;
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if (!use_kms) {
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/* Silently fail loading to not upset userspace. */
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DRM_DEBUG_DRIVER("KMS disabled.\n");
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return 1;
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}
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return 0;
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}
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static const struct {
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int (*init)(void);
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void (*exit)(void);
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} init_funcs[] = {
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{ .init = i915_check_nomodeset },
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{ .init = i915_active_module_init,
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.exit = i915_active_module_exit },
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{ .init = i915_context_module_init,
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.exit = i915_context_module_exit },
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{ .init = i915_gem_context_module_init,
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.exit = i915_gem_context_module_exit },
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{ .init = i915_objects_module_init,
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.exit = i915_objects_module_exit },
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{ .init = i915_request_module_init,
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.exit = i915_request_module_exit },
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{ .init = i915_scheduler_module_init,
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.exit = i915_scheduler_module_exit },
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{ .init = i915_vma_module_init,
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.exit = i915_vma_module_exit },
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{ .init = i915_vma_resource_module_init,
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.exit = i915_vma_resource_module_exit },
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{ .init = i915_mock_selftests },
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{ .init = i915_pmu_init,
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.exit = i915_pmu_exit },
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{ .init = i915_pci_register_driver,
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.exit = i915_pci_unregister_driver },
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{ .init = i915_perf_sysctl_register,
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.exit = i915_perf_sysctl_unregister },
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};
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static int init_progress;
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static int __init i915_init(void)
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{
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int err, i;
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for (i = 0; i < ARRAY_SIZE(init_funcs); i++) {
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err = init_funcs[i].init();
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if (err < 0) {
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while (i--) {
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if (init_funcs[i].exit)
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init_funcs[i].exit();
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}
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return err;
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} else if (err > 0) {
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/*
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* Early-exit success is reserved for things which
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* don't have an exit() function because we have no
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* idea how far they got or how to partially tear
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* them down.
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*/
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WARN_ON(init_funcs[i].exit);
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break;
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}
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}
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init_progress = i;
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return 0;
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}
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static void __exit i915_exit(void)
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{
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int i;
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for (i = init_progress - 1; i >= 0; i--) {
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GEM_BUG_ON(i >= ARRAY_SIZE(init_funcs));
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if (init_funcs[i].exit)
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init_funcs[i].exit();
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}
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}
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module_init(i915_init);
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module_exit(i915_exit);
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MODULE_AUTHOR("Tungsten Graphics, Inc.");
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MODULE_AUTHOR("Intel Corporation");
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MODULE_DESCRIPTION(DRIVER_DESC);
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MODULE_LICENSE("GPL and additional rights");
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