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From 67e2f17bd49366a1695ac77aebc2594825533848 Mon Sep 17 00:00:00 2001
From: Rex Zhu <Rex.Zhu@amd.com>
Date: Fri, 28 Aug 2015 12:56:43 +0800
Subject: [PATCH 0049/1110] drm/amd/powerplay: implement functions of
amd_powerplay_func
This is the common interface for interacting with the powerplay
module.
v2: squash in fixes
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Acked-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 191 ++++++++++++++++++++++++--
1 file changed, 183 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
index 1964a2a..66ccfc0 100644
--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
+++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
@@ -27,6 +27,8 @@
#include "amd_shared.h"
#include "amd_powerplay.h"
#include "pp_instance.h"
+#include "power_state.h"
+#include "eventmanager.h"
static int pp_early_init(void *handle)
{
@@ -177,11 +179,31 @@ static int pp_set_powergating_state(void *handle,
static int pp_suspend(void *handle)
{
+ struct pp_instance *pp_handle;
+ struct pp_eventmgr *eventmgr;
+ struct pem_event_data event_data = { {0} };
+
+ if (handle == NULL)
+ return -EINVAL;
+
+ pp_handle = (struct pp_instance *)handle;
+ eventmgr = pp_handle->eventmgr;
+ pem_handle_event(eventmgr, AMD_PP_EVENT_SUSPEND, &event_data);
return 0;
}
static int pp_resume(void *handle)
{
+ struct pp_instance *pp_handle;
+ struct pp_eventmgr *eventmgr;
+ struct pem_event_data event_data = { {0} };
+
+ if (handle == NULL)
+ return -EINVAL;
+
+ pp_handle = (struct pp_instance *)handle;
+ eventmgr = pp_handle->eventmgr;
+ pem_handle_event(eventmgr, AMD_PP_EVENT_RESUME, &event_data);
return 0;
}
@@ -215,45 +237,198 @@ static int pp_dpm_fw_loading_complete(void *handle)
static int pp_dpm_force_performance_level(void *handle,
enum amd_dpm_forced_level level)
{
+ struct pp_instance *pp_handle;
+ struct pp_hwmgr *hwmgr;
+
+ if (handle == NULL)
+ return -EINVAL;
+
+ pp_handle = (struct pp_instance *)handle;
+
+ hwmgr = pp_handle->hwmgr;
+
+ if (hwmgr == NULL || hwmgr->hwmgr_func == NULL ||
+ hwmgr->hwmgr_func->force_dpm_level == NULL)
+ return -EINVAL;
+
+ hwmgr->hwmgr_func->force_dpm_level(hwmgr, level);
+
return 0;
}
+
static enum amd_dpm_forced_level pp_dpm_get_performance_level(
void *handle)
{
- return 0;
+ struct pp_hwmgr *hwmgr;
+
+ if (handle == NULL)
+ return -EINVAL;
+
+ hwmgr = ((struct pp_instance *)handle)->hwmgr;
+
+ if (hwmgr == NULL)
+ return -EINVAL;
+
+ return (((struct pp_instance *)handle)->hwmgr->dpm_level);
}
+
static int pp_dpm_get_sclk(void *handle, bool low)
{
- return 0;
+ struct pp_hwmgr *hwmgr;
+
+ if (handle == NULL)
+ return -EINVAL;
+
+ hwmgr = ((struct pp_instance *)handle)->hwmgr;
+
+ if (hwmgr == NULL || hwmgr->hwmgr_func == NULL ||
+ hwmgr->hwmgr_func->get_sclk == NULL)
+ return -EINVAL;
+
+ return hwmgr->hwmgr_func->get_sclk(hwmgr, low);
}
+
static int pp_dpm_get_mclk(void *handle, bool low)
{
- return 0;
+ struct pp_hwmgr *hwmgr;
+
+ if (handle == NULL)
+ return -EINVAL;
+
+ hwmgr = ((struct pp_instance *)handle)->hwmgr;
+
+ if (hwmgr == NULL || hwmgr->hwmgr_func == NULL ||
+ hwmgr->hwmgr_func->get_mclk == NULL)
+ return -EINVAL;
+
+ return hwmgr->hwmgr_func->get_mclk(hwmgr, low);
}
+
static int pp_dpm_powergate_vce(void *handle, bool gate)
{
- return 0;
+ struct pp_hwmgr *hwmgr;
+
+ if (handle == NULL)
+ return -EINVAL;
+
+ hwmgr = ((struct pp_instance *)handle)->hwmgr;
+
+ if (hwmgr == NULL || hwmgr->hwmgr_func == NULL ||
+ hwmgr->hwmgr_func->powergate_vce == NULL)
+ return -EINVAL;
+
+ return hwmgr->hwmgr_func->powergate_vce(hwmgr, gate);
}
+
static int pp_dpm_powergate_uvd(void *handle, bool gate)
{
- return 0;
+ struct pp_hwmgr *hwmgr;
+
+ if (handle == NULL)
+ return -EINVAL;
+
+ hwmgr = ((struct pp_instance *)handle)->hwmgr;
+
+ if (hwmgr == NULL || hwmgr->hwmgr_func == NULL ||
+ hwmgr->hwmgr_func->powergate_uvd == NULL)
+ return -EINVAL;
+
+ return hwmgr->hwmgr_func->powergate_uvd(hwmgr, gate);
+}
+
+static enum PP_StateUILabel power_state_convert(enum amd_pm_state_type state)
+{
+ switch (state) {
+ case POWER_STATE_TYPE_BATTERY:
+ return PP_StateUILabel_Battery;
+ case POWER_STATE_TYPE_BALANCED:
+ return PP_StateUILabel_Balanced;
+ case POWER_STATE_TYPE_PERFORMANCE:
+ return PP_StateUILabel_Performance;
+ default:
+ return PP_StateUILabel_None;
+ }
}
int pp_dpm_dispatch_tasks(void *handle, enum amd_pp_event event_id, void *input, void *output)
{
- return 0;
+ int ret = 0;
+ struct pp_instance *pp_handle;
+ struct pem_event_data data = { {0} };
+
+ pp_handle = (struct pp_instance *)handle;
+
+ if (pp_handle == NULL)
+ return -EINVAL;
+
+ switch (event_id) {
+ case AMD_PP_EVENT_DISPLAY_CONFIG_CHANGE:
+ ret = pem_handle_event(pp_handle->eventmgr, event_id, &data);
+ break;
+ case AMD_PP_EVENT_ENABLE_USER_STATE:
+ {
+ enum amd_pm_state_type ps;
+
+ if (input == NULL)
+ return -EINVAL;
+ ps = *(unsigned long *)input;
+
+ data.requested_ui_label = power_state_convert(ps);
+ ret = pem_handle_event(pp_handle->eventmgr, event_id, &data);
+ }
+ break;
+ default:
+ break;
+ }
+ return ret;
}
+
enum amd_pm_state_type pp_dpm_get_current_power_state(void *handle)
{
- return 0;
+ struct pp_hwmgr *hwmgr;
+ struct pp_power_state *state;
+
+ if (handle == NULL)
+ return -EINVAL;
+
+ hwmgr = ((struct pp_instance *)handle)->hwmgr;
+
+ if (hwmgr == NULL || hwmgr->current_ps == NULL)
+ return -EINVAL;
+
+ state = hwmgr->current_ps;
+
+ switch (state->classification.ui_label) {
+ case PP_StateUILabel_Battery:
+ return POWER_STATE_TYPE_BATTERY;
+ case PP_StateUILabel_Balanced:
+ return POWER_STATE_TYPE_BALANCED;
+ case PP_StateUILabel_Performance:
+ return POWER_STATE_TYPE_PERFORMANCE;
+ default:
+ return POWER_STATE_TYPE_DEFAULT;
+ }
}
+
static void
pp_debugfs_print_current_performance_level(void *handle,
struct seq_file *m)
{
- return;
+ struct pp_hwmgr *hwmgr;
+
+ if (handle == NULL)
+ return;
+
+ hwmgr = ((struct pp_instance *)handle)->hwmgr;
+
+ if (hwmgr == NULL || hwmgr->hwmgr_func == NULL ||
+ hwmgr->hwmgr_func->print_current_perforce_level == NULL)
+ return;
+
+ hwmgr->hwmgr_func->print_current_perforce_level(hwmgr, m);
}
+
const struct amd_powerplay_funcs pp_dpm_funcs = {
.get_temperature = NULL,
.load_firmware = pp_dpm_load_fw,
--
2.7.4
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