From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- drivers/gpu/drm/i915/i915_module.c | 125 +++++++++++++++++++++++++++++++++++++ 1 file changed, 125 insertions(+) create mode 100644 drivers/gpu/drm/i915/i915_module.c (limited to 'drivers/gpu/drm/i915/i915_module.c') diff --git a/drivers/gpu/drm/i915/i915_module.c b/drivers/gpu/drm/i915/i915_module.c new file mode 100644 index 0000000000..65acd7bf75 --- /dev/null +++ b/drivers/gpu/drm/i915/i915_module.c @@ -0,0 +1,125 @@ +/* + * SPDX-License-Identifier: MIT + * + * Copyright © 2021 Intel Corporation + */ + +#include + +#include "gem/i915_gem_context.h" +#include "gem/i915_gem_object.h" +#include "i915_active.h" +#include "i915_driver.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" +#include "i915_vma_resource.h" + +static int i915_check_nomodeset(void) +{ + bool use_kms = true; + + /* + * Enable KMS by default, unless explicitly overriden by + * either the i915.modeset parameter or by the + * nomodeset boot option. + */ + + if (i915_modparams.modeset == 0) + use_kms = false; + + if (drm_firmware_drivers_only() && 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_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_vma_resource_module_init, + .exit = i915_vma_resource_module_exit }, + { .init = i915_mock_selftests }, + { .init = i915_pmu_init, + .exit = i915_pmu_exit }, + { .init = i915_pci_register_driver, + .exit = i915_pci_unregister_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"); -- cgit v1.2.3