6387a3c4b0
Move the base i915 buddy allocator code into drm
- Move i915_buddy.h to include/drm
- Move i915_buddy.c to drm root folder
- Rename "i915" string with "drm" string wherever applicable
- Rename "I915" string with "DRM" string wherever applicable
- Fix header file dependencies
- Fix alignment issues
- add Makefile support for drm buddy
- export functions and write kerneldoc description
- Remove i915 selftest config check condition as buddy selftest
will be moved to drm selftest folder
cleanup i915 buddy references in i915 driver module
and replace with drm buddy
v2:
- include header file in alphabetical order(Thomas)
- merged changes listed in the body section into a single patch
to keep the build intact(Christian, Jani)
v3:
- make drm buddy a separate module(Thomas, Christian)
v4:
- Fix build error reported by kernel test robot <lkp@intel.com>
- removed i915 buddy selftest from i915_mock_selftests.h to
avoid build error
- removed selftests/i915_buddy.c file as we create a new set of
buddy test cases in drm/selftests folder
v5:
- Fix merge conflict issue
v6:
- replace drm_buddy_mm structure name as drm_buddy(Thomas, Christian)
- replace drm_buddy_alloc() function name as drm_buddy_alloc_blocks()
(Thomas)
- replace drm_buddy_free() function name as drm_buddy_free_block()
(Thomas)
- export drm_buddy_free_block() function
- fix multiple instances of KMEM_CACHE() entry
v7:
- fix warnings reported by kernel test robot <lkp@intel.com>
- modify the license(Christian)
v8:
- fix warnings reported by kernel test robot <lkp@intel.com>
Signed-off-by: Arunpravin <Arunpravin.PaneerSelvam@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220118104504.2349-1-Arunpravin.PaneerSelvam@amd.com
Signed-off-by: Christian König <christian.koenig@amd.com>
122 lines
2.7 KiB
C
122 lines
2.7 KiB
C
/*
|
|
* SPDX-License-Identifier: MIT
|
|
*
|
|
* Copyright © 2021 Intel Corporation
|
|
*/
|
|
|
|
#include <drm/drm_drv.h>
|
|
|
|
#include "gem/i915_gem_context.h"
|
|
#include "gem/i915_gem_object.h"
|
|
#include "i915_active.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 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_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");
|