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//SPDX-License-Identifier: MIT
/*
* Copyright 2015 Advanced Micro Devices, Inc.
*
* 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: AMD
*
*/
#include <linux/string.h>
#include <linux/acpi.h>
#include <drm/drm_probe_helper.h>
#include <drm/amdgpu_drm.h>
#include "dm_services.h"
#include "amdgpu.h"
#include "amdgpu_dm.h"
#include "amdgpu_dm_backlight.h"
#include "amdgpu_dm_irq.h"
#include "amdgpu_pm.h"
#include "amdgpu_dm_trace.h"
#include "dm_helpers.h"
#if IS_ENABLED(CONFIG_DRM_AMD_DC_KUNIT_TEST)
static const struct amdgpu_dm_services_kunit_ops amdgpu_dm_services_default_ops = {
.bo_create_kernel = amdgpu_bo_create_kernel,
.bo_free_kernel = amdgpu_bo_free_kernel,
};
static const struct amdgpu_dm_services_kunit_ops *amdgpu_dm_services_ops =
&amdgpu_dm_services_default_ops;
void amdgpu_dm_services_kunit_set_ops(const struct amdgpu_dm_services_kunit_ops *ops)
{
amdgpu_dm_services_ops = ops ? ops : &amdgpu_dm_services_default_ops;
}
EXPORT_IF_KUNIT(amdgpu_dm_services_kunit_set_ops);
#define services_bo_create_kernel amdgpu_dm_services_ops->bo_create_kernel
#define services_bo_free_kernel amdgpu_dm_services_ops->bo_free_kernel
#else
#define services_bo_create_kernel amdgpu_bo_create_kernel
#define services_bo_free_kernel amdgpu_bo_free_kernel
#endif
unsigned long long
dm_get_elapse_time_in_ns(struct dc_context *ctx,
unsigned long long current_time_stamp,
unsigned long long last_time_stamp)
{
return current_time_stamp - last_time_stamp;
}
EXPORT_IF_KUNIT(dm_get_elapse_time_in_ns);
void dm_perf_trace_timestamp(const char *func_name, unsigned int line, struct dc_context *ctx)
{
trace_amdgpu_dc_performance(ctx->perf_trace->read_count,
ctx->perf_trace->write_count,
&ctx->perf_trace->last_entry_read,
&ctx->perf_trace->last_entry_write,
func_name, line);
}
EXPORT_IF_KUNIT(dm_perf_trace_timestamp);
void dm_trace_smu_enter(uint32_t msg_id, uint32_t param_in, unsigned int delay, struct dc_context *ctx)
{
}
EXPORT_IF_KUNIT(dm_trace_smu_enter);
void dm_trace_smu_exit(bool success, uint32_t response, struct dc_context *ctx)
{
}
EXPORT_IF_KUNIT(dm_trace_smu_exit);
/**** power component interfaces ****/
bool dm_query_extended_brightness_caps(struct dc_context *ctx,
enum dm_acpi_display_type display, struct dm_acpi_atif_backlight_caps *pCaps)
{
struct amdgpu_device *adev;
struct amdgpu_display_manager *dm;
int bl_index = (display == AcpiDisplayType_LCD1) ? 0 : 1;
if (!ctx || !pCaps || !ctx->driver_context)
return false;
adev = (struct amdgpu_device *)ctx->driver_context;
dm = &adev->dm;
amdgpu_dm_update_backlight_caps(dm, bl_index);
pCaps->num_data_points = dm->backlight_caps[bl_index].data_points;
pCaps->max_input_signal = dm->backlight_caps[bl_index].max_input_signal;
pCaps->min_input_signal = dm->backlight_caps[bl_index].min_input_signal;
pCaps->ac_level_percentage = dm->backlight_caps[bl_index].ac_level;
pCaps->dc_level_percentage = dm->backlight_caps[bl_index].dc_level;
if (pCaps->num_data_points > 0)
memcpy(pCaps->data_points, dm->backlight_caps[bl_index].luminance_data,
sizeof(struct dm_bl_data_point) * pCaps->num_data_points);
return true;
}
EXPORT_IF_KUNIT(dm_query_extended_brightness_caps);
void*
dm_allocate_gpu_mem(
struct amdgpu_device *adev,
enum dc_gpu_mem_alloc_type type,
size_t size,
long long *addr)
{
struct dal_allocation *da;
u32 domain = (type == DC_MEM_ALLOC_TYPE_GART) ?
AMDGPU_GEM_DOMAIN_GTT : AMDGPU_GEM_DOMAIN_VRAM;
int ret;
da = kzalloc_obj(*da);
if (!da)
return NULL;
ret = services_bo_create_kernel(adev, size, PAGE_SIZE,
domain, &da->bo,
&da->gpu_addr, &da->cpu_ptr);
*addr = da->gpu_addr;
if (ret) {
kfree(da);
return NULL;
}
/* add da to list in dm */
list_add(&da->list, &adev->dm.da_list);
return da->cpu_ptr;
}
EXPORT_IF_KUNIT(dm_allocate_gpu_mem);
void
dm_free_gpu_mem(
struct amdgpu_device *adev,
enum dc_gpu_mem_alloc_type type,
void *pvMem)
{
struct dal_allocation *da;
/* walk the da list in DM */
list_for_each_entry(da, &adev->dm.da_list, list) {
if (pvMem == da->cpu_ptr) {
services_bo_free_kernel(&da->bo, &da->gpu_addr, &da->cpu_ptr);
list_del(&da->list);
kfree(da);
break;
}
}
}
EXPORT_IF_KUNIT(dm_free_gpu_mem);
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