From: Rex Zhu <Rex.Zhu@amd.com>
Date: Thu, 25 Aug 2016 12:00:28 +0000 (+0800)
Subject: drm/amd/powerplay: add pptable point check before use it
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=aa0ef3ccd6410c14d3de586bd83ce532cad2e67e;p=linux-beck.git

drm/amd/powerplay: add pptable point check before use it

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
index 82427fb454d2..1b3151ce8f9e 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
@@ -555,7 +555,8 @@ int phm_initializa_dynamic_state_adjustment_rule_settings(struct pp_hwmgr *hwmgr
 		table_clk_vlt->entries[2].v = 810;
 		table_clk_vlt->entries[3].clk = PP_DAL_POWERLEVEL_PERFORMANCE;
 		table_clk_vlt->entries[3].v = 900;
-		pptable_info->vddc_dep_on_dal_pwrl = table_clk_vlt;
+		if (pptable_info != NULL)
+			pptable_info->vddc_dep_on_dal_pwrl = table_clk_vlt;
 		hwmgr->dyn_state.vddc_dep_on_dal_pwrl = table_clk_vlt;
 	}