On 12/3/2021 8:35 AM, Evan Quan wrote:
Drop cross callings and multi-function APIs. Also avoid exposing
internal implementations details.

Signed-off-by: Evan Quan <evan.q...@amd.com>
Change-Id: I55e5ab3da6a70482f5f5d8c256eed2f754feae20
--
v1->v2:
   - add back the adev->pm.dpm_enabled check(Lijo)
---
  .../gpu/drm/amd/include/kgd_pp_interface.h    |   2 +-
  drivers/gpu/drm/amd/pm/Makefile               |   2 +-
  drivers/gpu/drm/amd/pm/amdgpu_dpm.c           | 225 +++---------------
  drivers/gpu/drm/amd/pm/amdgpu_dpm_internal.c  |  94 ++++++++
  drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h       |   2 -
  .../gpu/drm/amd/pm/inc/amdgpu_dpm_internal.h  |  32 +++
  .../gpu/drm/amd/pm/powerplay/amd_powerplay.c  |  39 ++-
  drivers/gpu/drm/amd/pm/powerplay/kv_dpm.c     |   6 +-
  drivers/gpu/drm/amd/pm/powerplay/legacy_dpm.c |  60 ++++-
  drivers/gpu/drm/amd/pm/powerplay/legacy_dpm.h |   3 +-
  drivers/gpu/drm/amd/pm/powerplay/si_dpm.c     |  41 +++-
  11 files changed, 296 insertions(+), 210 deletions(-)
  create mode 100644 drivers/gpu/drm/amd/pm/amdgpu_dpm_internal.c
  create mode 100644 drivers/gpu/drm/amd/pm/inc/amdgpu_dpm_internal.h

diff --git a/drivers/gpu/drm/amd/include/kgd_pp_interface.h 
b/drivers/gpu/drm/amd/include/kgd_pp_interface.h
index cdf724dcf832..7919e96e772b 100644
--- a/drivers/gpu/drm/amd/include/kgd_pp_interface.h
+++ b/drivers/gpu/drm/amd/include/kgd_pp_interface.h
@@ -404,7 +404,7 @@ struct amd_pm_funcs {
        int (*get_dpm_clock_table)(void *handle,
                                   struct dpm_clocks *clock_table);
        int (*get_smu_prv_buf_details)(void *handle, void **addr, size_t *size);
-       int (*change_power_state)(void *handle);
+       void (*pm_compute_clocks)(void *handle);
  };
struct metrics_table_header {
diff --git a/drivers/gpu/drm/amd/pm/Makefile b/drivers/gpu/drm/amd/pm/Makefile
index 8cf6eff1ea93..d35ffde387f1 100644
--- a/drivers/gpu/drm/amd/pm/Makefile
+++ b/drivers/gpu/drm/amd/pm/Makefile
@@ -40,7 +40,7 @@ AMD_PM = $(addsuffix /Makefile,$(addprefix 
$(FULL_AMD_PATH)/pm/,$(PM_LIBS)))
include $(AMD_PM) -PM_MGR = amdgpu_dpm.o amdgpu_pm.o
+PM_MGR = amdgpu_dpm.o amdgpu_pm.o amdgpu_dpm_internal.o
AMD_PM_POWER = $(addprefix $(AMD_PM_PATH)/,$(PM_MGR)) diff --git a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
index fe6bf5d950c2..952fd865db13 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
@@ -37,73 +37,6 @@
  #define amdgpu_dpm_enable_bapm(adev, e) \
                
((adev)->powerplay.pp_funcs->enable_bapm((adev)->powerplay.pp_handle, (e)))
-static void amdgpu_dpm_get_active_displays(struct amdgpu_device *adev)
-{
-       struct drm_device *ddev = adev_to_drm(adev);
-       struct drm_crtc *crtc;
-       struct amdgpu_crtc *amdgpu_crtc;
-
-       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 (amdgpu_crtc->enabled) {
-                               adev->pm.dpm.new_active_crtcs |= (1 << 
amdgpu_crtc->crtc_id);
-                               adev->pm.dpm.new_active_crtc_count++;
-                       }
-               }
-       }
-}
-
-u32 amdgpu_dpm_get_vblank_time(struct amdgpu_device *adev)
-{
-       struct drm_device *dev = adev_to_drm(adev);
-       struct drm_crtc *crtc;
-       struct amdgpu_crtc *amdgpu_crtc;
-       u32 vblank_in_pixels;
-       u32 vblank_time_us = 0xffffffff; /* if the displays are off, vblank 
time is max */
-
-       if (adev->mode_info.num_crtc && 
adev->mode_info.mode_config_initialized) {
-               list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
-                       amdgpu_crtc = to_amdgpu_crtc(crtc);
-                       if (crtc->enabled && amdgpu_crtc->enabled && 
amdgpu_crtc->hw_mode.clock) {
-                               vblank_in_pixels =
-                                       amdgpu_crtc->hw_mode.crtc_htotal *
-                                       (amdgpu_crtc->hw_mode.crtc_vblank_end -
-                                       amdgpu_crtc->hw_mode.crtc_vdisplay +
-                                       (amdgpu_crtc->v_border * 2));
-
-                               vblank_time_us = vblank_in_pixels * 1000 / 
amdgpu_crtc->hw_mode.clock;
-                               break;
-                       }
-               }
-       }
-
-       return vblank_time_us;
-}
-
-static u32 amdgpu_dpm_get_vrefresh(struct amdgpu_device *adev)
-{
-       struct drm_device *dev = adev_to_drm(adev);
-       struct drm_crtc *crtc;
-       struct amdgpu_crtc *amdgpu_crtc;
-       u32 vrefresh = 0;
-
-       if (adev->mode_info.num_crtc && 
adev->mode_info.mode_config_initialized) {
-               list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
-                       amdgpu_crtc = to_amdgpu_crtc(crtc);
-                       if (crtc->enabled && amdgpu_crtc->enabled && 
amdgpu_crtc->hw_mode.clock) {
-                               vrefresh = 
drm_mode_vrefresh(&amdgpu_crtc->hw_mode);
-                               break;
-                       }
-               }
-       }
-
-       return vrefresh;
-}
-
  int amdgpu_dpm_get_sclk(struct amdgpu_device *adev, bool low)
  {
        const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
@@ -432,115 +365,38 @@ int amdgpu_dpm_read_sensor(struct amdgpu_device *adev, 
enum amd_pp_sensors senso
        return ret;
  }
-void amdgpu_dpm_thermal_work_handler(struct work_struct *work)
-{
-       struct amdgpu_device *adev =
-               container_of(work, struct amdgpu_device,
-                            pm.dpm.thermal.work);
-       /* switch to the thermal state */
-       enum amd_pm_state_type dpm_state = POWER_STATE_TYPE_INTERNAL_THERMAL;
-       int temp, size = sizeof(temp);
-
-       if (!adev->pm.dpm_enabled)
-               return;
-
-       if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_TEMP,
-                                   (void *)&temp, &size)) {
-               if (temp < adev->pm.dpm.thermal.min_temp)
-                       /* switch back the user state */
-                       dpm_state = adev->pm.dpm.user_state;
-       } else {
-               if (adev->pm.dpm.thermal.high_to_low)
-                       /* switch back the user state */
-                       dpm_state = adev->pm.dpm.user_state;
-       }
-       mutex_lock(&adev->pm.mutex);
-       if (dpm_state == POWER_STATE_TYPE_INTERNAL_THERMAL)
-               adev->pm.dpm.thermal_active = true;
-       else
-               adev->pm.dpm.thermal_active = false;
-       adev->pm.dpm.state = dpm_state;
-       mutex_unlock(&adev->pm.mutex);
-
-       amdgpu_dpm_compute_clocks(adev);
-}
-
  void amdgpu_dpm_compute_clocks(struct amdgpu_device *adev)
  {
-       int i = 0;
+       const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
if (!adev->pm.dpm_enabled)
                return;
- if (adev->mode_info.num_crtc)
-               amdgpu_display_bandwidth_update(adev);
-
-       for (i = 0; i < AMDGPU_MAX_RINGS; i++) {
-               struct amdgpu_ring *ring = adev->rings[i];
-               if (ring && ring->sched.ready)
-                       amdgpu_fence_wait_empty(ring);
-       }
+       if (!pp_funcs->pm_compute_clocks)
+               return;
- if ((adev->family == AMDGPU_FAMILY_SI) ||
-            (adev->family == AMDGPU_FAMILY_KV)) {
-               mutex_lock(&adev->pm.mutex);
-               amdgpu_dpm_get_active_displays(adev);
-               
adev->powerplay.pp_funcs->change_power_state(adev->powerplay.pp_handle);
-               mutex_unlock(&adev->pm.mutex);
-       } else {
-               if (!amdgpu_device_has_dc_support(adev)) {
-                       mutex_lock(&adev->pm.mutex);
-                       amdgpu_dpm_get_active_displays(adev);
-                       adev->pm.pm_display_cfg.num_display = 
adev->pm.dpm.new_active_crtc_count;
-                       adev->pm.pm_display_cfg.vrefresh = 
amdgpu_dpm_get_vrefresh(adev);
-                       adev->pm.pm_display_cfg.min_vblank_time = 
amdgpu_dpm_get_vblank_time(adev);
-                       /* we have issues with mclk switching with
-                        * refresh rates over 120 hz on the non-DC code.
-                        */
-                       if (adev->pm.pm_display_cfg.vrefresh > 120)
-                               adev->pm.pm_display_cfg.min_vblank_time = 0;
-                       if 
(adev->powerplay.pp_funcs->display_configuration_change)
-                               
adev->powerplay.pp_funcs->display_configuration_change(
-                                                       
adev->powerplay.pp_handle,
-                                                       
&adev->pm.pm_display_cfg);
-                       mutex_unlock(&adev->pm.mutex);
-               }
-               amdgpu_dpm_dispatch_task(adev, 
AMD_PP_TASK_DISPLAY_CONFIG_CHANGE, NULL);
-       }
+       pp_funcs->pm_compute_clocks(adev->powerplay.pp_handle);
  }
void amdgpu_dpm_enable_uvd(struct amdgpu_device *adev, bool enable)
  {
        int ret = 0;
- if (adev->family == AMDGPU_FAMILY_SI) {
-               mutex_lock(&adev->pm.mutex);
-               if (enable) {
-                       adev->pm.dpm.uvd_active = true;
-                       adev->pm.dpm.state = POWER_STATE_TYPE_INTERNAL_UVD;
-               } else {
-                       adev->pm.dpm.uvd_active = false;
-               }
-               mutex_unlock(&adev->pm.mutex);
+       ret = amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_UVD, 
!enable);
+       if (ret)
+               DRM_ERROR("Dpm %s uvd failed, ret = %d. \n",
+                         enable ? "enable" : "disable", ret);
- amdgpu_dpm_compute_clocks(adev);
-       } else {
-               ret = amdgpu_dpm_set_powergating_by_smu(adev, 
AMD_IP_BLOCK_TYPE_UVD, !enable);
-               if (ret)
-                       DRM_ERROR("Dpm %s uvd failed, ret = %d. \n",
-                                 enable ? "enable" : "disable", ret);
-
-               /* enable/disable Low Memory PState for UVD (4k videos) */
-               if (adev->asic_type == CHIP_STONEY &&
-                       adev->uvd.decode_image_width >= WIDTH_4K) {
-                       struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle;
-
-                       if (hwmgr && hwmgr->hwmgr_func &&
-                           hwmgr->hwmgr_func->update_nbdpm_pstate)
-                               hwmgr->hwmgr_func->update_nbdpm_pstate(hwmgr,
-                                                                      !enable,
-                                                                      true);
-               }
+       /* enable/disable Low Memory PState for UVD (4k videos) */
+       if (adev->asic_type == CHIP_STONEY &&
+               adev->uvd.decode_image_width >= WIDTH_4K) {
+               struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle;
+
+               if (hwmgr && hwmgr->hwmgr_func &&
+                   hwmgr->hwmgr_func->update_nbdpm_pstate)
+                       hwmgr->hwmgr_func->update_nbdpm_pstate(hwmgr,
+                                                              !enable,
+                                                              true);
        }
  }
@@ -548,24 +404,10 @@ void amdgpu_dpm_enable_vce(struct amdgpu_device *adev, bool enable)
  {
        int ret = 0;
- if (adev->family == AMDGPU_FAMILY_SI) {
-               mutex_lock(&adev->pm.mutex);
-               if (enable) {
-                       adev->pm.dpm.vce_active = true;
-                       /* XXX select vce level based on ring/task */
-                       adev->pm.dpm.vce_level = AMD_VCE_LEVEL_AC_ALL;
-               } else {
-                       adev->pm.dpm.vce_active = false;
-               }
-               mutex_unlock(&adev->pm.mutex);
-
-               amdgpu_dpm_compute_clocks(adev);
-       } else {
-               ret = amdgpu_dpm_set_powergating_by_smu(adev, 
AMD_IP_BLOCK_TYPE_VCE, !enable);
-               if (ret)
-                       DRM_ERROR("Dpm %s vce failed, ret = %d. \n",
-                                 enable ? "enable" : "disable", ret);
-       }
+       ret = amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_VCE, 
!enable);
+       if (ret)
+               DRM_ERROR("Dpm %s vce failed, ret = %d. \n",
+                         enable ? "enable" : "disable", ret);
  }
void amdgpu_dpm_enable_jpeg(struct amdgpu_device *adev, bool enable)
@@ -727,10 +569,7 @@ void amdgpu_dpm_set_power_state(struct amdgpu_device *adev,
  {
        adev->pm.dpm.user_state = state;
- if (adev->powerplay.pp_funcs->dispatch_tasks)
-               amdgpu_dpm_dispatch_task(adev, AMD_PP_TASK_ENABLE_USER_STATE, 
&state);
-       else
-               amdgpu_dpm_compute_clocks(adev);

Where is this handled now?

+       amdgpu_dpm_dispatch_task(adev, AMD_PP_TASK_ENABLE_USER_STATE, &state); 
>   }
enum amd_dpm_forced_level amdgpu_dpm_get_performance_level(struct amdgpu_device *adev)
@@ -900,12 +739,9 @@ int amdgpu_dpm_set_sclk_od(struct amdgpu_device *adev, 
uint32_t value)
pp_funcs->set_sclk_od(adev->powerplay.pp_handle, value); - if (amdgpu_dpm_dispatch_task(adev,
-                                    AMD_PP_TASK_READJUST_POWER_STATE,
-                                    NULL) == -EOPNOTSUPP) {
-               adev->pm.dpm.current_ps = adev->pm.dpm.boot_ps;
-               amdgpu_dpm_compute_clocks(adev);

As per the earlier logic, it changes back to boot state clocks if it couldn't set the clocks. Where is this done now? Same for mclk also.

Thanks,
Lijo

-       }
+       amdgpu_dpm_dispatch_task(adev,
+                                AMD_PP_TASK_READJUST_POWER_STATE,
+                                NULL);
return 0;
  }
@@ -929,12 +765,9 @@ int amdgpu_dpm_set_mclk_od(struct amdgpu_device *adev, 
uint32_t value)
pp_funcs->set_mclk_od(adev->powerplay.pp_handle, value); - if (amdgpu_dpm_dispatch_task(adev,
-                                    AMD_PP_TASK_READJUST_POWER_STATE,
-                                    NULL) == -EOPNOTSUPP) {
-               adev->pm.dpm.current_ps = adev->pm.dpm.boot_ps;
-               amdgpu_dpm_compute_clocks(adev);
-       }
+       amdgpu_dpm_dispatch_task(adev,
+                                AMD_PP_TASK_READJUST_POWER_STATE,
+                                NULL);
return 0;
  }
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_dpm_internal.c 
b/drivers/gpu/drm/amd/pm/amdgpu_dpm_internal.c
new file mode 100644
index 000000000000..ba5f6413412d
--- /dev/null
+++ b/drivers/gpu/drm/amd/pm/amdgpu_dpm_internal.c
@@ -0,0 +1,94 @@
+/*
+ * Copyright 2021 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 "amdgpu.h"
+#include "amdgpu_display.h"
+#include "hwmgr.h"
+#include "amdgpu_smu.h"
+
+void amdgpu_dpm_get_active_displays(struct amdgpu_device *adev)
+{
+       struct drm_device *ddev = adev_to_drm(adev);
+       struct drm_crtc *crtc;
+       struct amdgpu_crtc *amdgpu_crtc;
+
+       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 (amdgpu_crtc->enabled) {
+                               adev->pm.dpm.new_active_crtcs |= (1 << 
amdgpu_crtc->crtc_id);
+                               adev->pm.dpm.new_active_crtc_count++;
+                       }
+               }
+       }
+}
+
+u32 amdgpu_dpm_get_vblank_time(struct amdgpu_device *adev)
+{
+       struct drm_device *dev = adev_to_drm(adev);
+       struct drm_crtc *crtc;
+       struct amdgpu_crtc *amdgpu_crtc;
+       u32 vblank_in_pixels;
+       u32 vblank_time_us = 0xffffffff; /* if the displays are off, vblank 
time is max */
+
+       if (adev->mode_info.num_crtc && 
adev->mode_info.mode_config_initialized) {
+               list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+                       amdgpu_crtc = to_amdgpu_crtc(crtc);
+                       if (crtc->enabled && amdgpu_crtc->enabled && 
amdgpu_crtc->hw_mode.clock) {
+                               vblank_in_pixels =
+                                       amdgpu_crtc->hw_mode.crtc_htotal *
+                                       (amdgpu_crtc->hw_mode.crtc_vblank_end -
+                                       amdgpu_crtc->hw_mode.crtc_vdisplay +
+                                       (amdgpu_crtc->v_border * 2));
+
+                               vblank_time_us = vblank_in_pixels * 1000 / 
amdgpu_crtc->hw_mode.clock;
+                               break;
+                       }
+               }
+       }
+
+       return vblank_time_us;
+}
+
+u32 amdgpu_dpm_get_vrefresh(struct amdgpu_device *adev)
+{
+       struct drm_device *dev = adev_to_drm(adev);
+       struct drm_crtc *crtc;
+       struct amdgpu_crtc *amdgpu_crtc;
+       u32 vrefresh = 0;
+
+       if (adev->mode_info.num_crtc && 
adev->mode_info.mode_config_initialized) {
+               list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+                       amdgpu_crtc = to_amdgpu_crtc(crtc);
+                       if (crtc->enabled && amdgpu_crtc->enabled && 
amdgpu_crtc->hw_mode.clock) {
+                               vrefresh = 
drm_mode_vrefresh(&amdgpu_crtc->hw_mode);
+                               break;
+                       }
+               }
+       }
+
+       return vrefresh;
+}
diff --git a/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h 
b/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h
index b7841a989d59..b0791e855ad3 100644
--- a/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h
+++ b/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h
@@ -420,8 +420,6 @@ void amdgpu_pm_acpi_event_handler(struct amdgpu_device 
*adev);
  int amdgpu_dpm_read_sensor(struct amdgpu_device *adev, enum amd_pp_sensors 
sensor,
                           void *data, uint32_t *size);
-void amdgpu_dpm_thermal_work_handler(struct work_struct *work);
-
  void amdgpu_dpm_compute_clocks(struct amdgpu_device *adev);
  void amdgpu_dpm_enable_uvd(struct amdgpu_device *adev, bool enable);
  void amdgpu_dpm_enable_vce(struct amdgpu_device *adev, bool enable);
diff --git a/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm_internal.h 
b/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm_internal.h
new file mode 100644
index 000000000000..5c2a89f0d5d5
--- /dev/null
+++ b/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm_internal.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2021 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.
+ *
+ */
+#ifndef __AMDGPU_DPM_INTERNAL_H__
+#define __AMDGPU_DPM_INTERNAL_H__
+
+void amdgpu_dpm_get_active_displays(struct amdgpu_device *adev);
+
+u32 amdgpu_dpm_get_vblank_time(struct amdgpu_device *adev);
+
+u32 amdgpu_dpm_get_vrefresh(struct amdgpu_device *adev);
+
+#endif
diff --git a/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c 
b/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c
index 20cb234d5061..d57d5c28c013 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c
@@ -31,7 +31,8 @@
  #include "power_state.h"
  #include "amdgpu.h"
  #include "hwmgr.h"
-
+#include "amdgpu_dpm_internal.h"
+#include "amdgpu_display.h"
static const struct amd_pm_funcs pp_dpm_funcs; @@ -1678,6 +1679,41 @@ static int pp_get_prv_buffer_details(void *handle, void **addr, size_t *size)
        return 0;
  }
+static void pp_pm_compute_clocks(void *handle)
+{
+       struct pp_hwmgr *hwmgr = handle;
+       struct amdgpu_device *adev = hwmgr->adev;
+       int i = 0;
+
+       if (adev->mode_info.num_crtc)
+               amdgpu_display_bandwidth_update(adev);
+
+       for (i = 0; i < AMDGPU_MAX_RINGS; i++) {
+               struct amdgpu_ring *ring = adev->rings[i];
+               if (ring && ring->sched.ready)
+                       amdgpu_fence_wait_empty(ring);
+       }
+
+       if (!amdgpu_device_has_dc_support(adev)) {
+               amdgpu_dpm_get_active_displays(adev);
+               adev->pm.pm_display_cfg.num_display = 
adev->pm.dpm.new_active_crtc_count;
+               adev->pm.pm_display_cfg.vrefresh = 
amdgpu_dpm_get_vrefresh(adev);
+               adev->pm.pm_display_cfg.min_vblank_time = 
amdgpu_dpm_get_vblank_time(adev);
+               /* we have issues with mclk switching with
+                * refresh rates over 120 hz on the non-DC code.
+                */
+               if (adev->pm.pm_display_cfg.vrefresh > 120)
+                       adev->pm.pm_display_cfg.min_vblank_time = 0;
+
+               pp_display_configuration_change(handle,
+                                               &adev->pm.pm_display_cfg);
+       }
+
+       pp_dpm_dispatch_tasks(handle,
+                             AMD_PP_TASK_DISPLAY_CONFIG_CHANGE,
+                             NULL);
+}
+
  static const struct amd_pm_funcs pp_dpm_funcs = {
        .load_firmware = pp_dpm_load_fw,
        .wait_for_fw_loading_complete = pp_dpm_fw_loading_complete,
@@ -1742,4 +1778,5 @@ static const struct amd_pm_funcs pp_dpm_funcs = {
        .get_gpu_metrics = pp_get_gpu_metrics,
        .gfx_state_change_set = pp_gfx_state_change_set,
        .get_smu_prv_buf_details = pp_get_prv_buffer_details,
+       .pm_compute_clocks = pp_pm_compute_clocks,
  };
diff --git a/drivers/gpu/drm/amd/pm/powerplay/kv_dpm.c 
b/drivers/gpu/drm/amd/pm/powerplay/kv_dpm.c
index eed89835231c..72824ef61edd 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/kv_dpm.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/kv_dpm.c
@@ -3088,7 +3088,7 @@ static int kv_dpm_hw_init(void *handle)
        else
                adev->pm.dpm_enabled = true;
        mutex_unlock(&adev->pm.mutex);
-       amdgpu_dpm_compute_clocks(adev);
+       amdgpu_legacy_dpm_compute_clocks(adev);
        return ret;
  }
@@ -3136,7 +3136,7 @@ static int kv_dpm_resume(void *handle)
                        adev->pm.dpm_enabled = true;
                mutex_unlock(&adev->pm.mutex);
                if (adev->pm.dpm_enabled)
-                       amdgpu_dpm_compute_clocks(adev);
+                       amdgpu_legacy_dpm_compute_clocks(adev);
        }
        return 0;
  }
@@ -3390,7 +3390,7 @@ static const struct amd_pm_funcs kv_dpm_funcs = {
        .get_vce_clock_state = amdgpu_get_vce_clock_state,
        .check_state_equal = kv_check_state_equal,
        .read_sensor = &kv_dpm_read_sensor,
-       .change_power_state = amdgpu_dpm_change_power_state_locked,
+       .pm_compute_clocks = amdgpu_legacy_dpm_compute_clocks,
  };
static const struct amdgpu_irq_src_funcs kv_dpm_irq_funcs = {
diff --git a/drivers/gpu/drm/amd/pm/powerplay/legacy_dpm.c 
b/drivers/gpu/drm/amd/pm/powerplay/legacy_dpm.c
index 67c84b7ad8e7..3c6ee493e410 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/legacy_dpm.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/legacy_dpm.c
@@ -26,6 +26,8 @@
  #include "atom.h"
  #include "amd_pcie.h"
  #include "legacy_dpm.h"
+#include "amdgpu_dpm_internal.h"
+#include "amdgpu_display.h"
#define amdgpu_dpm_pre_set_power_state(adev) \
                
((adev)->powerplay.pp_funcs->pre_set_power_state((adev)->powerplay.pp_handle))
@@ -949,9 +951,8 @@ static struct amdgpu_ps *amdgpu_dpm_pick_power_state(struct 
amdgpu_device *adev,
        return NULL;
  }
-int amdgpu_dpm_change_power_state_locked(void *handle)
+static int amdgpu_dpm_change_power_state_locked(struct amdgpu_device *adev)
  {
-       struct amdgpu_device *adev = (struct amdgpu_device *)handle;
        struct amdgpu_ps *ps;
        enum amd_pm_state_type dpm_state;
        int ret;
@@ -1022,3 +1023,58 @@ int amdgpu_dpm_change_power_state_locked(void *handle)
return 0;
  }
+
+void amdgpu_legacy_dpm_compute_clocks(void *handle)
+{
+       struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+       int i = 0;
+
+       if (adev->mode_info.num_crtc)
+               amdgpu_display_bandwidth_update(adev);
+
+       for (i = 0; i < AMDGPU_MAX_RINGS; i++) {
+               struct amdgpu_ring *ring = adev->rings[i];
+               if (ring && ring->sched.ready)
+                       amdgpu_fence_wait_empty(ring);
+       }
+
+       amdgpu_dpm_get_active_displays(adev);
+
+       amdgpu_dpm_change_power_state_locked(adev);
+}
+
+void amdgpu_dpm_thermal_work_handler(struct work_struct *work)
+{
+       struct amdgpu_device *adev =
+               container_of(work, struct amdgpu_device,
+                            pm.dpm.thermal.work);
+       const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
+       /* switch to the thermal state */
+       enum amd_pm_state_type dpm_state = POWER_STATE_TYPE_INTERNAL_THERMAL;
+       int temp, size = sizeof(temp);
+
+       if (!adev->pm.dpm_enabled)
+               return;
+
+       if (!pp_funcs->read_sensor(adev->powerplay.pp_handle,
+                                  AMDGPU_PP_SENSOR_GPU_TEMP,
+                                  (void *)&temp,
+                                  &size)) {
+               if (temp < adev->pm.dpm.thermal.min_temp)
+                       /* switch back the user state */
+                       dpm_state = adev->pm.dpm.user_state;
+       } else {
+               if (adev->pm.dpm.thermal.high_to_low)
+                       /* switch back the user state */
+                       dpm_state = adev->pm.dpm.user_state;
+       }
+
+       if (dpm_state == POWER_STATE_TYPE_INTERNAL_THERMAL)
+               adev->pm.dpm.thermal_active = true;
+       else
+               adev->pm.dpm.thermal_active = false;
+
+       adev->pm.dpm.state = dpm_state;
+
+       amdgpu_legacy_dpm_compute_clocks(adev->powerplay.pp_handle);
+}
diff --git a/drivers/gpu/drm/amd/pm/powerplay/legacy_dpm.h 
b/drivers/gpu/drm/amd/pm/powerplay/legacy_dpm.h
index 7ac30f1aed20..93bd3973330c 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/legacy_dpm.h
+++ b/drivers/gpu/drm/amd/pm/powerplay/legacy_dpm.h
@@ -32,6 +32,7 @@ int amdgpu_parse_extended_power_table(struct amdgpu_device 
*adev);
  void amdgpu_free_extended_power_table(struct amdgpu_device *adev);
  void amdgpu_add_thermal_controller(struct amdgpu_device *adev);
  struct amd_vce_state* amdgpu_get_vce_clock_state(void *handle, u32 idx);
-int amdgpu_dpm_change_power_state_locked(void *handle);
  void amdgpu_pm_print_power_states(struct amdgpu_device *adev);
+void amdgpu_legacy_dpm_compute_clocks(void *handle);
+void amdgpu_dpm_thermal_work_handler(struct work_struct *work);
  #endif
diff --git a/drivers/gpu/drm/amd/pm/powerplay/si_dpm.c 
b/drivers/gpu/drm/amd/pm/powerplay/si_dpm.c
index 35d287903aea..e3b58249c6f4 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/si_dpm.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/si_dpm.c
@@ -3891,6 +3891,40 @@ static int si_set_boot_state(struct amdgpu_device *adev)
  }
  #endif
+static int si_set_powergating_by_smu(void *handle,
+                                    uint32_t block_type,
+                                    bool gate)
+{
+       struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+       switch (block_type) {
+       case AMD_IP_BLOCK_TYPE_UVD:
+               if (!gate) {
+                       adev->pm.dpm.uvd_active = true;
+                       adev->pm.dpm.state = POWER_STATE_TYPE_INTERNAL_UVD;
+               } else {
+                       adev->pm.dpm.uvd_active = false;
+               }
+
+               amdgpu_legacy_dpm_compute_clocks(handle);
+               break;
+       case AMD_IP_BLOCK_TYPE_VCE:
+               if (!gate) {
+                       adev->pm.dpm.vce_active = true;
+                       /* XXX select vce level based on ring/task */
+                       adev->pm.dpm.vce_level = AMD_VCE_LEVEL_AC_ALL;
+               } else {
+                       adev->pm.dpm.vce_active = false;
+               }
+
+               amdgpu_legacy_dpm_compute_clocks(handle);
+               break;
+       default:
+               break;
+       }
+       return 0;
+}
+
  static int si_set_sw_state(struct amdgpu_device *adev)
  {
        return (amdgpu_si_send_msg_to_smc(adev, PPSMC_MSG_SwitchToSwState) == 
PPSMC_Result_OK) ?
@@ -7801,7 +7835,7 @@ static int si_dpm_hw_init(void *handle)
        else
                adev->pm.dpm_enabled = true;
        mutex_unlock(&adev->pm.mutex);
-       amdgpu_dpm_compute_clocks(adev);
+       amdgpu_legacy_dpm_compute_clocks(adev);
        return ret;
  }
@@ -7849,7 +7883,7 @@ static int si_dpm_resume(void *handle)
                        adev->pm.dpm_enabled = true;
                mutex_unlock(&adev->pm.mutex);
                if (adev->pm.dpm_enabled)
-                       amdgpu_dpm_compute_clocks(adev);
+                       amdgpu_legacy_dpm_compute_clocks(adev);
        }
        return 0;
  }
@@ -8094,6 +8128,7 @@ static const struct amd_pm_funcs si_dpm_funcs = {
        .print_power_state = &si_dpm_print_power_state,
        .debugfs_print_current_performance_level = 
&si_dpm_debugfs_print_current_performance_level,
        .force_performance_level = &si_dpm_force_performance_level,
+       .set_powergating_by_smu = &si_set_powergating_by_smu,
        .vblank_too_short = &si_dpm_vblank_too_short,
        .set_fan_control_mode = &si_dpm_set_fan_control_mode,
        .get_fan_control_mode = &si_dpm_get_fan_control_mode,
@@ -8102,7 +8137,7 @@ static const struct amd_pm_funcs si_dpm_funcs = {
        .check_state_equal = &si_check_state_equal,
        .get_vce_clock_state = amdgpu_get_vce_clock_state,
        .read_sensor = &si_dpm_read_sensor,
-       .change_power_state = amdgpu_dpm_change_power_state_locked,
+       .pm_compute_clocks = amdgpu_legacy_dpm_compute_clocks,
  };
static const struct amdgpu_irq_src_funcs si_dpm_irq_funcs = {

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