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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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d115a38f3c
UAPI Changes: - Add sysfs for SLPC power profiles [slpc] (Vinay Belgaumkar) Driver Changes: Fixes/improvements/new stuff: - Fix zero delta busyness issue [pmu] (Umesh Nerlige Ramappa) - Fix page cleanup on DMA remap failure (Brian Geffon) - Debug print LRC state entries only if the context is pinned [guc] (Daniele Ceraolo Spurio) - Drop custom hotplug code [pmu] (Lucas De Marchi) - Use spin_lock_irqsave() in interruptible context [guc] (Krzysztof Karas) - Add wait on depth stall done bit handling [gen12] (Juha-Pekka Heikkila) Miscellaneous: - Change throttle criteria for rps [selftest] (Raag Jadav) - Add debug print about hw config table size (John Harrison) - Include requested frequency in slow firmware load messages [uc] (John Harrison) - Remove i915_pmu_event_event_idx() [pmu] (Lucas De Marchi) - Remove unused live_context_for_engine (Dr. David Alan Gilbert) - Add Wa_22010465259 in its respective WA list (Ranu Maurya) - Correct frequency handling in RPS power measurement [selftests] (Sk Anirban) - Add helper function slpc_measure_power [guc/slpc] (Sk Anirban) - Revert "drm/i915/gt: Log reason for setting TAINT_WARN at reset" [gt] (Sebastian Brzezinka) - Avoid using uninitialized context [selftests] (Krzysztof Karas) - Use struct_size() helper in kmalloc() (luoqing) - Use prandom in selftest [selftests] (Markus Theil) - Replace kmap with its safer kmap_local_page counterpart [gt] (Andi Shyti) Merges: - Merge drm/drm-next into drm-intel-gt-next (Tvrtko Ursulin) Signed-off-by: Dave Airlie <airlied@redhat.com> From: Tvrtko Ursulin <tursulin@igalia.com> Link: https://patchwork.freedesktop.org/patch/msgid/Z77NLt2mR7SqxJ4u@linux
128 lines
3 KiB
C
128 lines
3 KiB
C
/*
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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 overridden 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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pr_warn("i915.modeset=0 is deprecated. Please use the 'nomodeset' kernel parameter instead.\n");
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else if (i915_modparams.modeset != -1)
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pr_warn("i915.modeset=%d is deprecated. Please remove it and the 'nomodeset' kernel parameter instead.\n",
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i915_modparams.modeset);
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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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DRM_DEBUG_DRIVER("KMS disabled.\n");
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return -ENODEV;
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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_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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