/*
* Copyright 2008 Advanced Micro Devices, Inc.
* Copyright 2008 Red Hat Inc.
* Copyright 2009 Jerome Glisse.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Dave Airlie
* Alex Deucher
* Jerome Glisse
*/
#include <drm/drmP.h>
#include "amdgpu.h"
#include <drm/amdgpu_drm.h>
#include "amdgpu_uvd.h"
#include "amdgpu_vce.h"
#include <linux/vga_switcheroo.h>
#include <linux/slab.h>
#include <linux/pm_runtime.h>
#include "amdgpu_amdkfd.h"
/**
* amdgpu_driver_unload_kms - Main unload function for KMS.
*
* @dev: drm dev pointer
*
* This is the main unload function for KMS (all asics).
* Returns 0 on success.
*/
void amdgpu_driver_unload_kms(struct drm_device *dev)
{
struct amdgpu_device *adev = dev->dev_private;
if (adev == NULL)
return;
if (adev->rmmio == NULL)
goto done_free;
if (amdgpu_sriov_vf(adev))
amdgpu_virt_request_full_gpu(adev, false);
if (amdgpu_device_is_px(dev)) {
pm_runtime_get_sync(dev->dev);
pm_runtime_forbid(dev->dev);
}
amdgpu_amdkfd_device_fini(adev);
amdgpu_acpi_fini(adev);
amdgpu_device_fini(adev);
done_free:
kfree(adev);
dev->dev_private = NULL;
}
/**
* amdgpu_driver_load_kms - Main load function for KMS.
*
* @dev: drm dev pointer
* @flags: device flags
*
* This is the main load function for KMS (all asics).
* Returns 0 on success, error on failure.
*/
int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags)
{
struct amdgpu_device *adev;
int r, acpi_status;
adev = kzalloc(sizeof(struct amdgpu_device), GFP_KERNEL);
if (adev == NULL) {
return -ENOMEM;
}
dev->dev_private = (void *)adev;
if ((amdgpu_runtime_pm != 0) &&
amdgpu_has_atpx() &&
(amdgpu_is_atpx_hybrid() ||
amdgpu_has_atpx_dgpu_power_cntl()) &&
((flags & AMD_IS_APU) == 0) &&
!pci_is_thunderbolt_attached(dev->pdev))
flags |= AMD_IS_PX;
/* amdgpu_device_init should report only fatal error
* like memory allocation failure or iomapping failure,
* or memory manager initialization failure, it must
* properly initialize the GPU MC controller and permit
* VRAM allocation
*/
r = amdgpu_device_init(adev, dev, dev->pdev, flags);
if (r) {
dev_err(&dev->pdev->dev, "Fatal error during GPU init\n");
goto out;
}
/* Call ACPI methods: require modeset init
* but failure is not fatal
*/
if (!r) {
acpi_status = amdgpu_acpi_init(adev);
if (acpi_status)
dev_dbg(&dev->pdev->dev,
"Error during ACPI methods call\n");
}
amdgpu_amdkfd_load_interface(adev);
amdgpu_amdkfd_device_probe(adev);
amdgpu_amdkfd_device_init(adev);
if (amdgpu_device_is_px(dev)) {
pm_runtime_use_autosuspend(dev->dev);
pm_runtime_set_autosuspend_delay(dev->dev, 5000);
pm_runtime_set_active(dev->dev);
pm_runtime_allow(dev->dev);
pm_runtime_mark_last_busy(dev->dev);
pm_runtime_put_autosuspend(dev->dev);
}
if (amdgpu_sriov_vf(adev))
amdgpu_virt_release_full_gpu(adev, true);
out:
if (r) {
/* balance pm_runtime_get_sync in amdgpu_driver_unload_kms */
if (adev->rmmio && amdgpu_device_is_px(dev))
pm_runtime_put_noidle(dev->dev);
amdgpu_driver_unload_kms(dev);
}
return r;
}
static int amdgpu_firmware_info(struct drm_amdgpu_info_firmware *fw_info,
struct drm_amdgpu_query_fw *query_fw,
struct amdgpu_devic