[PATCH 09/51] drm/amdgpu: export amd_powerplay_func to amdgpu and other ip block
Alex Deucher
alexdeucher at gmail.com
Wed Nov 11 22:17:59 PST 2015
From: Rex Zhu <Rex.Zhu at amd.com>
Update amdgpu to deal with the new powerplay module properly.
v2: squash in fixes
v3: squash in Rex's power state reporting fix
Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
Acked-by: Jammy Zhou <Jammy.Zhou at amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 46 ++++++-
drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 215 +++++++++++++++++++++------------
2 files changed, 180 insertions(+), 81 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index f3223c5..7e381c2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -2215,20 +2215,54 @@ amdgpu_get_sdma_instance(struct amdgpu_ring *ring)
#define amdgpu_dpm_set_power_state(adev) (adev)->pm.funcs->set_power_state((adev))
#define amdgpu_dpm_post_set_power_state(adev) (adev)->pm.funcs->post_set_power_state((adev))
#define amdgpu_dpm_display_configuration_changed(adev) (adev)->pm.funcs->display_configuration_changed((adev))
-#define amdgpu_dpm_get_sclk(adev, l) (adev)->pm.funcs->get_sclk((adev), (l))
-#define amdgpu_dpm_get_mclk(adev, l) (adev)->pm.funcs->get_mclk((adev), (l))
#define amdgpu_dpm_print_power_state(adev, ps) (adev)->pm.funcs->print_power_state((adev), (ps))
-#define amdgpu_dpm_debugfs_print_current_performance_level(adev, m) (adev)->pm.funcs->debugfs_print_current_performance_level((adev), (m))
-#define amdgpu_dpm_force_performance_level(adev, l) (adev)->pm.funcs->force_performance_level((adev), (l))
#define amdgpu_dpm_vblank_too_short(adev) (adev)->pm.funcs->vblank_too_short((adev))
-#define amdgpu_dpm_powergate_uvd(adev, g) (adev)->pm.funcs->powergate_uvd((adev), (g))
-#define amdgpu_dpm_powergate_vce(adev, g) (adev)->pm.funcs->powergate_vce((adev), (g))
#define amdgpu_dpm_enable_bapm(adev, e) (adev)->pm.funcs->enable_bapm((adev), (e))
#define amdgpu_dpm_set_fan_control_mode(adev, m) (adev)->pm.funcs->set_fan_control_mode((adev), (m))
#define amdgpu_dpm_get_fan_control_mode(adev) (adev)->pm.funcs->get_fan_control_mode((adev))
#define amdgpu_dpm_set_fan_speed_percent(adev, s) (adev)->pm.funcs->set_fan_speed_percent((adev), (s))
#define amdgpu_dpm_get_fan_speed_percent(adev, s) (adev)->pm.funcs->get_fan_speed_percent((adev), (s))
+#define amdgpu_dpm_get_sclk(adev, l) \
+ amdgpu_powerplay ? \
+ (adev)->powerplay.pp_funcs->get_sclk((adev)->powerplay.pp_handle, (l)) : \
+ (adev)->pm.funcs->get_sclk((adev), (l))
+
+#define amdgpu_dpm_get_mclk(adev, l) \
+ amdgpu_powerplay ? \
+ (adev)->powerplay.pp_funcs->get_mclk((adev)->powerplay.pp_handle, (l)) : \
+ (adev)->pm.funcs->get_mclk((adev), (l))
+
+
+#define amdgpu_dpm_force_performance_level(adev, l) \
+ amdgpu_powerplay ? \
+ (adev)->powerplay.pp_funcs->force_performance_level((adev)->powerplay.pp_handle, (l)) : \
+ (adev)->pm.funcs->force_performance_level((adev), (l))
+
+#define amdgpu_dpm_powergate_uvd(adev, g) \
+ amdgpu_powerplay ? \
+ (adev)->powerplay.pp_funcs->powergate_uvd((adev)->powerplay.pp_handle, (g)) : \
+ (adev)->pm.funcs->powergate_uvd((adev), (g))
+
+#define amdgpu_dpm_powergate_vce(adev, g) \
+ amdgpu_powerplay ? \
+ (adev)->powerplay.pp_funcs->powergate_vce((adev)->powerplay.pp_handle, (g)) : \
+ (adev)->pm.funcs->powergate_vce((adev), (g))
+
+#define amdgpu_dpm_debugfs_print_current_performance_level(adev, m) \
+ amdgpu_powerplay ? \
+ (adev)->powerplay.pp_funcs->print_current_performance_level((adev)->powerplay.pp_handle, (m)) : \
+ (adev)->pm.funcs->debugfs_print_current_performance_level((adev), (m))
+
+#define amdgpu_dpm_get_current_power_state(adev) \
+ (adev)->powerplay.pp_funcs->get_current_power_state((adev)->powerplay.pp_handle)
+
+#define amdgpu_dpm_get_performance_level(adev) \
+ (adev)->powerplay.pp_funcs->get_performance_level((adev)->powerplay.pp_handle)
+
+#define amdgpu_dpm_dispatch_task(adev, event_id, input, output) \
+ (adev)->powerplay.pp_funcs->dispatch_tasks((adev)->powerplay.pp_handle, (event_id), (input), (output))
+
#define amdgpu_gds_switch(adev, r, v, d, w, a) (adev)->gds.funcs->patch_gds_switch((r), (v), (d), (w), (a))
/* Common functions */
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index eea1933..235fae5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -30,10 +30,16 @@
#include <linux/hwmon.h>
#include <linux/hwmon-sysfs.h>
+#include "amd_powerplay.h"
+
static int amdgpu_debugfs_pm_init(struct amdgpu_device *adev);
void amdgpu_pm_acpi_event_handler(struct amdgpu_device *adev)
{
+ if (amdgpu_powerplay)
+ /* TODO */
+ return;
+
if (adev->pm.dpm_enabled) {
mutex_lock(&adev->pm.mutex);
if (power_supply_is_system_supplied() > 0)
@@ -52,7 +58,12 @@ static ssize_t amdgpu_get_dpm_state(struct device *dev,
{
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = ddev->dev_private;
- enum amd_pm_state_type pm = adev->pm.dpm.user_state;
+ enum amd_pm_state_type pm;
+
+ if (amdgpu_powerplay) {
+ pm = amdgpu_dpm_get_current_power_state(adev);
+ } else
+ pm = adev->pm.dpm.user_state;
return snprintf(buf, PAGE_SIZE, "%s\n",
(pm == POWER_STATE_TYPE_BATTERY) ? "battery" :
@@ -66,40 +77,57 @@ static ssize_t amdgpu_set_dpm_state(struct device *dev,
{
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = ddev->dev_private;
+ enum amd_pm_state_type state;
- mutex_lock(&adev->pm.mutex);
if (strncmp("battery", buf, strlen("battery")) == 0)
- adev->pm.dpm.user_state = POWER_STATE_TYPE_BATTERY;
+ state = POWER_STATE_TYPE_BATTERY;
else if (strncmp("balanced", buf, strlen("balanced")) == 0)
- adev->pm.dpm.user_state = POWER_STATE_TYPE_BALANCED;
+ state = POWER_STATE_TYPE_BALANCED;
else if (strncmp("performance", buf, strlen("performance")) == 0)
- adev->pm.dpm.user_state = POWER_STATE_TYPE_PERFORMANCE;
+ state = POWER_STATE_TYPE_PERFORMANCE;
else {
- mutex_unlock(&adev->pm.mutex);
count = -EINVAL;
goto fail;
}
- mutex_unlock(&adev->pm.mutex);
- /* Can't set dpm state when the card is off */
- if (!(adev->flags & AMD_IS_PX) ||
- (ddev->switch_power_state == DRM_SWITCH_POWER_ON))
- amdgpu_pm_compute_clocks(adev);
+ if (amdgpu_powerplay) {
+ amdgpu_dpm_dispatch_task(adev, AMD_PP_EVENT_ENABLE_USER_STATE, &state, NULL);
+ } else {
+ mutex_lock(&adev->pm.mutex);
+ adev->pm.dpm.user_state = state;
+ mutex_unlock(&adev->pm.mutex);
+
+ /* Can't set dpm state when the card is off */
+ if (!(adev->flags & AMD_IS_PX) ||
+ (ddev->switch_power_state == DRM_SWITCH_POWER_ON))
+ amdgpu_pm_compute_clocks(adev);
+ }
fail:
return count;
}
static ssize_t amdgpu_get_dpm_forced_performance_level(struct device *dev,
- struct device_attribute *attr,
- char *buf)
+ struct device_attribute *attr,
+ char *buf)
{
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = ddev->dev_private;
- enum amdgpu_dpm_forced_level level = adev->pm.dpm.forced_level;
- return snprintf(buf, PAGE_SIZE, "%s\n",
- (level == AMDGPU_DPM_FORCED_LEVEL_AUTO) ? "auto" :
- (level == AMDGPU_DPM_FORCED_LEVEL_LOW) ? "low" : "high");
+ if (amdgpu_powerplay) {
+ enum amd_dpm_forced_level level;
+
+ level = amdgpu_dpm_get_performance_level(adev);
+ return snprintf(buf, PAGE_SIZE, "%s\n",
+ (level == AMD_DPM_FORCED_LEVEL_AUTO) ? "auto" :
+ (level == AMD_DPM_FORCED_LEVEL_LOW) ? "low" : "high");
+ } else {
+ enum amdgpu_dpm_forced_level level;
+
+ level = adev->pm.dpm.forced_level;
+ return snprintf(buf, PAGE_SIZE, "%s\n",
+ (level == AMDGPU_DPM_FORCED_LEVEL_AUTO) ? "auto" :
+ (level == AMDGPU_DPM_FORCED_LEVEL_LOW) ? "low" : "high");
+ }
}
static ssize_t amdgpu_set_dpm_forced_performance_level(struct device *dev,
@@ -112,7 +140,6 @@ static ssize_t amdgpu_set_dpm_forced_performance_level(struct device *dev,
enum amdgpu_dpm_forced_level level;
int ret = 0;
- mutex_lock(&adev->pm.mutex);
if (strncmp("low", buf, strlen("low")) == 0) {
level = AMDGPU_DPM_FORCED_LEVEL_LOW;
} else if (strncmp("high", buf, strlen("high")) == 0) {
@@ -123,7 +150,11 @@ static ssize_t amdgpu_set_dpm_forced_performance_level(struct device *dev,
count = -EINVAL;
goto fail;
}
- if (adev->pm.funcs->force_performance_level) {
+
+ if (amdgpu_powerplay)
+ amdgpu_dpm_force_performance_level(adev, level);
+ else {
+ mutex_lock(&adev->pm.mutex);
if (adev->pm.dpm.thermal_active) {
count = -EINVAL;
goto fail;
@@ -131,6 +162,9 @@ static ssize_t amdgpu_set_dpm_forced_performance_level(struct device *dev,
ret = amdgpu_dpm_force_performance_level(adev, level);
if (ret)
count = -EINVAL;
+ else
+ adev->pm.dpm.forced_level = level;
+ mutex_unlock(&adev->pm.mutex);
}
fail:
mutex_unlock(&adev->pm.mutex);
@@ -197,7 +231,7 @@ static ssize_t amdgpu_hwmon_set_pwm1_enable(struct device *dev,
int err;
int value;
- if(!adev->pm.funcs->set_fan_control_mode)
+ if (!adev->pm.funcs->set_fan_control_mode)
return -EINVAL;
err = kstrtoint(buf, 10, &value);
@@ -294,7 +328,10 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj,
struct amdgpu_device *adev = dev_get_drvdata(dev);
umode_t effective_mode = attr->mode;
- /* Skip attributes if DPM is not enabled */
+ if (amdgpu_powerplay)
+ return 0; /* to do */
+
+ /* Skip limit attributes if DPM is not enabled */
if (!adev->pm.dpm_enabled &&
(attr == &sensor_dev_attr_temp1_crit.dev_attr.attr ||
attr == &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr ||
@@ -635,49 +672,54 @@ done:
void amdgpu_dpm_enable_uvd(struct amdgpu_device *adev, bool enable)
{
- if (adev->pm.funcs->powergate_uvd) {
- mutex_lock(&adev->pm.mutex);
- /* enable/disable UVD */
+ if (amdgpu_powerplay)
amdgpu_dpm_powergate_uvd(adev, !enable);
- mutex_unlock(&adev->pm.mutex);
- } else {
- if (enable) {
+ else {
+ if (adev->pm.funcs->powergate_uvd) {
mutex_lock(&adev->pm.mutex);
- adev->pm.dpm.uvd_active = true;
- adev->pm.dpm.state = POWER_STATE_TYPE_INTERNAL_UVD;
+ /* enable/disable UVD */
+ amdgpu_dpm_powergate_uvd(adev, !enable);
mutex_unlock(&adev->pm.mutex);
} else {
- mutex_lock(&adev->pm.mutex);
- adev->pm.dpm.uvd_active = false;
- mutex_unlock(&adev->pm.mutex);
+ if (enable) {
+ mutex_lock(&adev->pm.mutex);
+ adev->pm.dpm.uvd_active = true;
+ adev->pm.dpm.state = POWER_STATE_TYPE_INTERNAL_UVD;
+ mutex_unlock(&adev->pm.mutex);
+ } else {
+ mutex_lock(&adev->pm.mutex);
+ adev->pm.dpm.uvd_active = false;
+ mutex_unlock(&adev->pm.mutex);
+ }
+ amdgpu_pm_compute_clocks(adev);
}
- amdgpu_pm_compute_clocks(adev);
}
}
void amdgpu_dpm_enable_vce(struct amdgpu_device *adev, bool enable)
{
- if (adev->pm.funcs->powergate_vce) {
- mutex_lock(&adev->pm.mutex);
- /* enable/disable VCE */
+ if (amdgpu_powerplay)
amdgpu_dpm_powergate_vce(adev, !enable);
-
- mutex_unlock(&adev->pm.mutex);
- } else {
- if (enable) {
+ else {
+ if (adev->pm.funcs->powergate_vce) {
mutex_lock(&adev->pm.mutex);
- adev->pm.dpm.vce_active = true;
- /* XXX select vce level based on ring/task */
- adev->pm.dpm.vce_level = AMDGPU_VCE_LEVEL_AC_ALL;
+ amdgpu_dpm_powergate_vce(adev, !enable);
mutex_unlock(&adev->pm.mutex);
} else {
- mutex_lock(&adev->pm.mutex);
- adev->pm.dpm.vce_active = false;
- mutex_unlock(&adev->pm.mutex);
+ if (enable) {
+ mutex_lock(&adev->pm.mutex);
+ adev->pm.dpm.vce_active = true;
+ /* XXX select vce level based on ring/task */
+ adev->pm.dpm.vce_level = AMDGPU_VCE_LEVEL_AC_ALL;
+ mutex_unlock(&adev->pm.mutex);
+ } else {
+ mutex_lock(&adev->pm.mutex);
+ adev->pm.dpm.vce_active = false;
+ mutex_unlock(&adev->pm.mutex);
+ }
+ amdgpu_pm_compute_clocks(adev);
}
-
- amdgpu_pm_compute_clocks(adev);
}
}
@@ -685,10 +727,13 @@ void amdgpu_pm_print_power_states(struct amdgpu_device *adev)
{
int i;
- for (i = 0; i < adev->pm.dpm.num_ps; i++) {
- printk("== power state %d ==\n", i);
+ if (amdgpu_powerplay)
+ /* TO DO */
+ return;
+
+ for (i = 0; i < adev->pm.dpm.num_ps; i++)
amdgpu_dpm_print_power_state(adev, &adev->pm.dpm.ps[i]);
- }
+
}
int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
@@ -698,8 +743,11 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
if (adev->pm.sysfs_initialized)
return 0;
- if (adev->pm.funcs->get_temperature == NULL)
- return 0;
+ if (!amdgpu_powerplay) {
+ if (adev->pm.funcs->get_temperature == NULL)
+ return 0;
+ }
+
adev->pm.int_hwmon_dev = hwmon_device_register_with_groups(adev->dev,
DRIVER_NAME, adev,
hwmon_groups);
@@ -748,32 +796,43 @@ void amdgpu_pm_compute_clocks(struct amdgpu_device *adev)
if (!adev->pm.dpm_enabled)
return;
- mutex_lock(&adev->pm.mutex);
+ if (amdgpu_powerplay) {
+ int i = 0;
+
+ amdgpu_display_bandwidth_update(adev);
+ mutex_lock(&adev->ring_lock);
+ for (i = 0; i < AMDGPU_MAX_RINGS; i++) {
+ struct amdgpu_ring *ring = adev->rings[i];
+ if (ring && ring->ready)
+ amdgpu_fence_wait_empty(ring);
+ }
+ mutex_unlock(&adev->ring_lock);
- /* update active crtc counts */
- adev->pm.dpm.new_active_crtcs = 0;
- adev->pm.dpm.new_active_crtc_count = 0;
- if (adev->mode_info.num_crtc && adev->mode_info.mode_config_initialized) {
- list_for_each_entry(crtc,
- &ddev->mode_config.crtc_list, head) {
- amdgpu_crtc = to_amdgpu_crtc(crtc);
- if (crtc->enabled) {
- adev->pm.dpm.new_active_crtcs |= (1 << amdgpu_crtc->crtc_id);
- adev->pm.dpm.new_active_crtc_count++;
+ amdgpu_dpm_dispatch_task(adev, AMD_PP_EVENT_DISPLAY_CONFIG_CHANGE, NULL, NULL);
+ } else {
+ mutex_lock(&adev->pm.mutex);
+ adev->pm.dpm.new_active_crtcs = 0;
+ adev->pm.dpm.new_active_crtc_count = 0;
+ if (adev->mode_info.num_crtc && adev->mode_info.mode_config_initialized) {
+ list_for_each_entry(crtc,
+ &ddev->mode_config.crtc_list, head) {
+ amdgpu_crtc = to_amdgpu_crtc(crtc);
+ if (crtc->enabled) {
+ adev->pm.dpm.new_active_crtcs |= (1 << amdgpu_crtc->crtc_id);
+ adev->pm.dpm.new_active_crtc_count++;
+ }
}
}
- }
-
- /* update battery/ac status */
- if (power_supply_is_system_supplied() > 0)
- adev->pm.dpm.ac_power = true;
- else
- adev->pm.dpm.ac_power = false;
-
- amdgpu_dpm_change_power_state_locked(adev);
+ /* update battery/ac status */
+ if (power_supply_is_system_supplied() > 0)
+ adev->pm.dpm.ac_power = true;
+ else
+ adev->pm.dpm.ac_power = false;
- mutex_unlock(&adev->pm.mutex);
+ amdgpu_dpm_change_power_state_locked(adev);
+ mutex_unlock(&adev->pm.mutex);
+ }
}
/*
@@ -787,7 +846,13 @@ static int amdgpu_debugfs_pm_info(struct seq_file *m, void *data)
struct drm_device *dev = node->minor->dev;
struct amdgpu_device *adev = dev->dev_private;
- if (adev->pm.dpm_enabled) {
+ if (!adev->pm.dpm_enabled) {
+ seq_printf(m, "dpm not enabled\n");
+ return 0;
+ }
+ if (amdgpu_powerplay) {
+ amdgpu_dpm_debugfs_print_current_performance_level(adev, m);
+ } else {
mutex_lock(&adev->pm.mutex);
if (adev->pm.funcs->debugfs_print_current_performance_level)
amdgpu_dpm_debugfs_print_current_performance_level(adev, m);
--
1.8.3.1
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