[PATCH v2 4/5] drm/amd/poweplay: Add amd_pm_funcs callback for mode 2

[Andrey Grodzovsky]

Signed-off-by: Andrey Grodzovsky <andrey.grodzov...@amd.com>
---
 drivers/gpu/drm/amd/include/kgd_pp_interface.h |  1 +
 drivers/gpu/drm/amd/powerplay/amd_powerplay.c  | 21 +++++++++++++++++++++
 2 files changed, 22 insertions(+)

diff --git a/drivers/gpu/drm/amd/include/kgd_pp_interface.h 
b/drivers/gpu/drm/amd/include/kgd_pp_interface.h
index bba1291..0de4e37 100644
--- a/drivers/gpu/drm/amd/include/kgd_pp_interface.h
+++ b/drivers/gpu/drm/amd/include/kgd_pp_interface.h
@@ -310,6 +310,7 @@ struct amd_pm_funcs {
        int (*set_asic_baco_state)(void *handle, int state);
        int (*get_ppfeature_status)(void *handle, char *buf);
        int (*set_ppfeature_status)(void *handle, uint64_t ppfeature_masks);
+       int (*asic_reset_mode_2)(void *handle);
 };
 
 #endif
diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c 
b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
index 2e3d9ef6..7ef2027 100644
--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
+++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
@@ -1508,6 +1508,26 @@ static int pp_set_ppfeature_status(void *handle, 
uint64_t ppfeature_masks)
        return ret;
 }
 
+static int pp_asic_reset_mode_2(void *handle)
+{
+       struct pp_hwmgr *hwmgr = handle;
+               int ret = 0;
+
+       if (!hwmgr || !hwmgr->pm_en)
+               return -EINVAL;
+
+       if (hwmgr->hwmgr_func->asic_reset == NULL) {
+               pr_info_ratelimited("%s was not implemented.\n", __func__);
+               return -EINVAL;
+       }
+
+       mutex_lock(&hwmgr->smu_lock);
+       ret = hwmgr->hwmgr_func->asic_reset(hwmgr, SMU_ASIC_RESET_MODE_2);
+       mutex_unlock(&hwmgr->smu_lock);
+
+       return ret;
+}
+
 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,
@@ -1564,4 +1584,5 @@ static const struct amd_pm_funcs pp_dpm_funcs = {
        .set_asic_baco_state = pp_set_asic_baco_state,
        .get_ppfeature_status = pp_get_ppfeature_status,
        .set_ppfeature_status = pp_set_ppfeature_status,
+       .asic_reset_mode_2 = pp_asic_reset_mode_2,
 };
-- 
2.7.4

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