drm/amd/powerplay: export interface to DAL to init/change display configuration.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: David Rokhvarg <David.Rokhvarg@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>

5 files changed, 45 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 26d9134f7c0d..a3fc43e52483 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1639,6 +1639,7 @@ struct amdgpu_pm {
         const struct amdgpu_dpm_funcs *funcs;
         uint32_t                pcie_gen_mask;
         uint32_t                pcie_mlw_mask;
+        struct amd_pp_display_configuration pm_display_cfg;/* set by DAL */
 };
 
 void amdgpu_get_pcie_info(struct amdgpu_device *adev);
diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
index 10385c0fb60d..215757e0ad76 100644
--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
+++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
@@ -603,3 +603,19 @@ int amd_powerplay_fini(void *handle)
 
         return 0;
 }
+
+/* export this function to DAL */
+
+int amd_powerplay_display_configuration_change(void *handle, const void *input)
+{
+        struct pp_hwmgr  *hwmgr;
+        const struct amd_pp_display_configuration *display_config = input;
+
+        if (handle == NULL)
+                return -EINVAL;
+
+        hwmgr = ((struct pp_instance *)handle)->hwmgr;
+
+        phm_store_dal_configuration_data(hwmgr, display_config);
+        return 0;
+}
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c b/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c
index f2d603cff47d..d6d28497d7d9 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c
@@ -26,6 +26,7 @@
 #include "power_state.h"
 #include "pp_acpi.h"
 #include "amd_acpi.h"
+#include "amd_powerplay.h"
 
 void phm_init_dynamic_caps(struct pp_hwmgr *hwmgr)
 {
@@ -244,3 +245,18 @@ int phm_check_states_equal(struct pp_hwmgr *hwmgr,
 
         return hwmgr->hwmgr_func->check_states_equal(hwmgr, pstate1, pstate2, equal);
 }
+
+int phm_store_dal_configuration_data(struct pp_hwmgr *hwmgr,
+                    const struct amd_pp_display_configuration *display_config)
+{
+        if (hwmgr == NULL || hwmgr->hwmgr_func->store_cc6_data == NULL)
+                return -EINVAL;
+
+        /* to do pass other display configuration in furture */
+        return hwmgr->hwmgr_func->store_cc6_data(hwmgr,
+                                        display_config->cpu_pstate_separation_time,
+                                        display_config->cpu_cc6_disable,
+                                        display_config->cpu_pstate_disable,
+                                        display_config->nb_pstate_switch_disable);
+
+}
diff --git a/drivers/gpu/drm/amd/powerplay/inc/amd_powerplay.h b/drivers/gpu/drm/amd/powerplay/inc/amd_powerplay.h
index 40ded6795ba4..efa23c182bd0 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/amd_powerplay.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/amd_powerplay.h
@@ -131,6 +131,13 @@ struct amd_pp_init {
         uint32_t rev_id;
 };
 
+struct amd_pp_display_configuration {
+        bool nb_pstate_switch_disable;/* controls NB PState switch */
+        bool cpu_cc6_disable; /* controls CPU CState switch ( on or off) */
+        bool cpu_pstate_disable;
+        uint32_t cpu_pstate_separation_time;
+};
+
 enum {
         PP_GROUP_UNKNOWN = 0,
         PP_GROUP_GFX = 1,
@@ -203,4 +210,6 @@ int amd_powerplay_init(struct amd_pp_init *pp_init,
                        struct amd_powerplay *amd_pp);
 int amd_powerplay_fini(void *handle);
 
+int amd_powerplay_display_configuration_change(void *handle, const void *input);
+
 #endif /* _AMD_POWERPLAY_H_ */
diff --git a/drivers/gpu/drm/amd/powerplay/inc/hardwaremanager.h b/drivers/gpu/drm/amd/powerplay/inc/hardwaremanager.h
index a3f7bd27a2fb..7b721e8ea531 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/hardwaremanager.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/hardwaremanager.h
@@ -353,5 +353,8 @@ extern int phm_check_states_equal(struct pp_hwmgr *hwmgr,
                                  const struct pp_hw_power_state *pstate2,
                                  bool *equal);
 
+extern int phm_store_dal_configuration_data(struct pp_hwmgr *hwmgr,
+                    const struct amd_pp_display_configuration *display_config);
+
 #endif /* _HARDWARE_MANAGER_H_ */