Change-Id: I69a8a7637be35b9b03d7f7390cd3571cd24f9781
Signed-off-by: Rex Zhu <[email protected]>
---
drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 36 +++++++++++++++++++++++++++
1 file changed, 36 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
index 463905b..c7ab8b3 100644
--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
+++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
@@ -1163,6 +1163,41 @@ static int pp_dpm_switch_power_profile(void *handle,
return 0;
}
+static int pp_dpm_notify_smu_memory_info(void *handle,
+ uint32_t virtual_addr_low,
+ uint32_t virtual_addr_hi,
+ uint32_t mc_addr_low,
+ uint32_t mc_addr_hi,
+ uint32_t size)
+{
+ struct pp_hwmgr *hwmgr;
+ struct pp_instance *pp_handle = (struct pp_instance *)handle;
+ int ret = 0;
+
+ ret = pp_check(pp_handle);
+
+ if (ret)
+ return ret;
+
+ hwmgr = pp_handle->hwmgr;
+
+ if (hwmgr->hwmgr_func->notify_cac_buffer_info == NULL) {
+ pr_info("%s was not implemented.\n", __func__);
+ return -EINVAL;
+ }
+
+ mutex_lock(&pp_handle->pp_lock);
+
+ ret = hwmgr->hwmgr_func->notify_cac_buffer_info(hwmgr, virtual_addr_low,
+ virtual_addr_hi, mc_addr_low,
mc_addr_hi,
+ size);
+
+ mutex_unlock(&pp_handle->pp_lock);
+
+ return ret;
+}
+
+
/* export this function to DAL */
static int pp_display_configuration_change(void *handle,
@@ -1434,6 +1469,7 @@ static int pp_get_display_mode_validation_clocks(void
*handle,
.set_power_profile_state = pp_dpm_set_power_profile_state,
.switch_power_profile = pp_dpm_switch_power_profile,
.set_clockgating_by_smu = pp_set_clockgating_by_smu,
+ .notify_smu_memory_info = pp_dpm_notify_smu_memory_info,
/* export to DC */
.get_sclk = pp_dpm_get_sclk,
.get_mclk = pp_dpm_get_mclk,
--
1.9.1
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