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authorSean Paul <seanpaul@chromium.org>2018-03-21 09:40:55 -0400
committerSean Paul <seanpaul@chromium.org>2018-03-21 09:40:55 -0400
commit1c7095d2836baafd84e596dd34ba1a1293a4faa9 (patch)
tree498f529809b9c0a3c75c8b8bb1098ed4f71233db /drivers/gpu/drm/amd/powerplay/hwmgr/pp_acpi.c
parent2793c1d77aa8876e5674e901d051c79570e99db2 (diff)
parent78230c46ec0a91dd4256c9e54934b3c7095a7ee3 (diff)
Merge airlied/drm-next into drm-misc-nextdrm-misc-next-2018-03-21
Refresh -misc-next Signed-off-by: Sean Paul <seanpaul@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr/pp_acpi.c')
-rw-r--r--drivers/gpu/drm/amd/powerplay/hwmgr/pp_acpi.c114
1 files changed, 0 insertions, 114 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/pp_acpi.c b/drivers/gpu/drm/amd/powerplay/hwmgr/pp_acpi.c
deleted file mode 100644
index f6b4dd96c0ec..000000000000
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/pp_acpi.c
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- * Copyright 2016 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.
- *
- */
-
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include "hwmgr.h"
-#include "amd_acpi.h"
-#include "pp_acpi.h"
-
-bool acpi_atcs_functions_supported(void *device, uint32_t index)
-{
- int32_t result;
- struct atcs_verify_interface output_buf = {0};
-
- int32_t temp_buffer = 1;
-
- result = cgs_call_acpi_method(device, CGS_ACPI_METHOD_ATCS,
- ATCS_FUNCTION_VERIFY_INTERFACE,
- &temp_buffer,
- &output_buf,
- 1,
- sizeof(temp_buffer),
- sizeof(output_buf));
-
- return result == 0 ? (output_buf.function_bits & (1 << (index - 1))) != 0 : false;
-}
-
-bool acpi_atcs_notify_pcie_device_ready(void *device)
-{
- int32_t temp_buffer = 1;
-
- return cgs_call_acpi_method(device, CGS_ACPI_METHOD_ATCS,
- ATCS_FUNCTION_PCIE_DEVICE_READY_NOTIFICATION,
- &temp_buffer,
- NULL,
- 0,
- sizeof(temp_buffer),
- 0);
-}
-
-
-int acpi_pcie_perf_request(void *device, uint8_t perf_req, bool advertise)
-{
- struct atcs_pref_req_input atcs_input;
- struct atcs_pref_req_output atcs_output;
- u32 retry = 3;
- int result;
- struct cgs_system_info info = {0};
-
- if (acpi_atcs_notify_pcie_device_ready(device))
- return -EINVAL;
-
- info.size = sizeof(struct cgs_system_info);
- info.info_id = CGS_SYSTEM_INFO_ADAPTER_BDF_ID;
- result = cgs_query_system_info(device, &info);
- if (result != 0)
- return -EINVAL;
- atcs_input.client_id = (uint16_t)info.value;
- atcs_input.size = sizeof(struct atcs_pref_req_input);
- atcs_input.valid_flags_mask = ATCS_VALID_FLAGS_MASK;
- atcs_input.flags = ATCS_WAIT_FOR_COMPLETION;
- if (advertise)
- atcs_input.flags |= ATCS_ADVERTISE_CAPS;
- atcs_input.req_type = ATCS_PCIE_LINK_SPEED;
- atcs_input.perf_req = perf_req;
-
- atcs_output.size = sizeof(struct atcs_pref_req_input);
-
- while (retry--) {
- result = cgs_call_acpi_method(device,
- CGS_ACPI_METHOD_ATCS,
- ATCS_FUNCTION_PCIE_PERFORMANCE_REQUEST,
- &atcs_input,
- &atcs_output,
- 1,
- sizeof(atcs_input),
- sizeof(atcs_output));
- if (result != 0)
- return -EIO;
-
- switch (atcs_output.ret_val) {
- case ATCS_REQUEST_REFUSED:
- default:
- return -EINVAL;
- case ATCS_REQUEST_COMPLETE:
- return 0;
- case ATCS_REQUEST_IN_PROGRESS:
- udelay(10);
- break;
- }
- }
-
- return 0;
-}