summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
diff options
context:
space:
mode:
authorRex Zhu <Rex.Zhu@amd.com>2018-02-27 18:28:54 +0800
committerAlex Deucher <alexander.deucher@amd.com>2018-03-05 15:38:57 -0500
commit6848d73e889bb29cfede51df8c1d0496c9787454 (patch)
treef2491bfde0fea7a333dcde13c9f573136be1ee57 /drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
parente1deba285156fb4023bb48f22068de5b60e34e15 (diff)
drm/amd/pp: Remove the wrap functions for acpi in powerplay
Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c212
1 files changed, 0 insertions, 212 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
index 9d6e1b08e148..795be958cf5e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
@@ -24,7 +24,6 @@
#include <linux/list.h>
#include <linux/slab.h>
#include <linux/pci.h>
-#include <linux/acpi.h>
#include <drm/drmP.h>
#include <linux/firmware.h>
#include <drm/amdgpu_drm.h>
@@ -964,216 +963,6 @@ static int amdgpu_cgs_notify_dpm_enabled(struct cgs_device *cgs_device, bool ena
return 0;
}
-/** \brief evaluate acpi namespace object, handle or pathname must be valid
- * \param cgs_device
- * \param info input/output arguments for the control method
- * \return status
- */
-
-#if defined(CONFIG_ACPI)
-static int amdgpu_cgs_acpi_eval_object(struct cgs_device *cgs_device,
- struct cgs_acpi_method_info *info)
-{
- CGS_FUNC_ADEV;
- acpi_handle handle;
- struct acpi_object_list input;
- struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
- union acpi_object *params, *obj;
- uint8_t name[5] = {'\0'};
- struct cgs_acpi_method_argument *argument;
- uint32_t i, count;
- acpi_status status;
- int result;
-
- handle = ACPI_HANDLE(&adev->pdev->dev);
- if (!handle)
- return -ENODEV;
-
- memset(&input, 0, sizeof(struct acpi_object_list));
-
- /* validate input info */
- if (info->size != sizeof(struct cgs_acpi_method_info))
- return -EINVAL;
-
- input.count = info->input_count;
- if (info->input_count > 0) {
- if (info->pinput_argument == NULL)
- return -EINVAL;
- argument = info->pinput_argument;
- for (i = 0; i < info->input_count; i++) {
- if (((argument->type == ACPI_TYPE_STRING) ||
- (argument->type == ACPI_TYPE_BUFFER)) &&
- (argument->pointer == NULL))
- return -EINVAL;
- argument++;
- }
- }
-
- if (info->output_count > 0) {
- if (info->poutput_argument == NULL)
- return -EINVAL;
- argument = info->poutput_argument;
- for (i = 0; i < info->output_count; i++) {
- if (((argument->type == ACPI_TYPE_STRING) ||
- (argument->type == ACPI_TYPE_BUFFER))
- && (argument->pointer == NULL))
- return -EINVAL;
- argument++;
- }
- }
-
- /* The path name passed to acpi_evaluate_object should be null terminated */
- if ((info->field & CGS_ACPI_FIELD_METHOD_NAME) != 0) {
- strncpy(name, (char *)&(info->name), sizeof(uint32_t));
- name[4] = '\0';
- }
-
- /* parse input parameters */
- if (input.count > 0) {
- input.pointer = params =
- kzalloc(sizeof(union acpi_object) * input.count, GFP_KERNEL);
- if (params == NULL)
- return -EINVAL;
-
- argument = info->pinput_argument;
-
- for (i = 0; i < input.count; i++) {
- params->type = argument->type;
- switch (params->type) {
- case ACPI_TYPE_INTEGER:
- params->integer.value = argument->value;
- break;
- case ACPI_TYPE_STRING:
- params->string.length = argument->data_length;
- params->string.pointer = argument->pointer;
- break;
- case ACPI_TYPE_BUFFER:
- params->buffer.length = argument->data_length;
- params->buffer.pointer = argument->pointer;
- break;
- default:
- break;
- }
- params++;
- argument++;
- }
- }
-
- /* parse output info */
- count = info->output_count;
- argument = info->poutput_argument;
-
- /* evaluate the acpi method */
- status = acpi_evaluate_object(handle, name, &input, &output);
-
- if (ACPI_FAILURE(status)) {
- result = -EIO;
- goto free_input;
- }
-
- /* return the output info */
- obj = output.pointer;
-
- if (count > 1) {
- if ((obj->type != ACPI_TYPE_PACKAGE) ||
- (obj->package.count != count)) {
- result = -EIO;
- goto free_obj;
- }
- params = obj->package.elements;
- } else
- params = obj;
-
- if (params == NULL) {
- result = -EIO;
- goto free_obj;
- }
-
- for (i = 0; i < count; i++) {
- if (argument->type != params->type) {
- result = -EIO;
- goto free_obj;
- }
- switch (params->type) {
- case ACPI_TYPE_INTEGER:
- argument->value = params->integer.value;
- break;
- case ACPI_TYPE_STRING:
- if ((params->string.length != argument->data_length) ||
- (params->string.pointer == NULL)) {
- result = -EIO;
- goto free_obj;
- }
- strncpy(argument->pointer,
- params->string.pointer,
- params->string.length);
- break;
- case ACPI_TYPE_BUFFER:
- if (params->buffer.pointer == NULL) {
- result = -EIO;
- goto free_obj;
- }
- memcpy(argument->pointer,
- params->buffer.pointer,
- argument->data_length);
- break;
- default:
- break;
- }
- argument++;
- params++;
- }
-
- result = 0;
-free_obj:
- kfree(obj);
-free_input:
- kfree((void *)input.pointer);
- return result;
-}
-#else
-static int amdgpu_cgs_acpi_eval_object(struct cgs_device *cgs_device,
- struct cgs_acpi_method_info *info)
-{
- return -EIO;
-}
-#endif
-
-static int amdgpu_cgs_call_acpi_method(struct cgs_device *cgs_device,
- uint32_t acpi_method,
- uint32_t acpi_function,
- void *pinput, void *poutput,
- uint32_t output_count,
- uint32_t input_size,
- uint32_t output_size)
-{
- struct cgs_acpi_method_argument acpi_input[2] = { {0}, {0} };
- struct cgs_acpi_method_argument acpi_output = {0};
- struct cgs_acpi_method_info info = {0};
-
- acpi_input[0].type = CGS_ACPI_TYPE_INTEGER;
- acpi_input[0].data_length = sizeof(uint32_t);
- acpi_input[0].value = acpi_function;
-
- acpi_input[1].type = CGS_ACPI_TYPE_BUFFER;
- acpi_input[1].data_length = input_size;
- acpi_input[1].pointer = pinput;
-
- acpi_output.type = CGS_ACPI_TYPE_BUFFER;
- acpi_output.data_length = output_size;
- acpi_output.pointer = poutput;
-
- info.size = sizeof(struct cgs_acpi_method_info);
- info.field = CGS_ACPI_FIELD_METHOD_NAME | CGS_ACPI_FIELD_INPUT_ARGUMENT_COUNT;
- info.input_count = 2;
- info.name = acpi_method;
- info.pinput_argument = acpi_input;
- info.output_count = output_count;
- info.poutput_argument = &acpi_output;
-
- return amdgpu_cgs_acpi_eval_object(cgs_device, &info);
-}
-
static int amdgpu_cgs_set_temperature_range(struct cgs_device *cgs_device,
int min_temperature,
int max_temperature)
@@ -1207,7 +996,6 @@ static const struct cgs_ops amdgpu_cgs_ops = {
.set_clockgating_state = amdgpu_cgs_set_clockgating_state,
.get_active_displays_info = amdgpu_cgs_get_active_displays_info,
.notify_dpm_enabled = amdgpu_cgs_notify_dpm_enabled,
- .call_acpi_method = amdgpu_cgs_call_acpi_method,
.query_system_info = amdgpu_cgs_query_system_info,
.is_virtualization_enabled = amdgpu_cgs_is_virtualization_enabled,
.enter_safe_mode = amdgpu_cgs_enter_safe_mode,