From a825a2124dd67f294a5a703921d6e0c4527d3fa8 Mon Sep 17 00:00:00 2001
From: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Date: Fri, 11 Oct 2019 14:58:02 -0400
Subject: drm/amd/display: null check pp_smu clock table before using it
Git-commit: a825a2124dd67f294a5a703921d6e0c4527d3fa8
Patch-mainline: v5.5-rc1
References: bsc#1152489
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Roman Li <Roman.Li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
index 0e712df87109..b647e0320e4b 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
@@ -656,7 +656,7 @@ void rn_clk_mgr_construct(
clk_mgr->base.bw_params = &rn_bw_params;
- if (pp_smu) {
+ if (pp_smu && pp_smu->rn_funcs.get_dpm_clock_table) {
pp_smu->rn_funcs.get_dpm_clock_table(&pp_smu->rn_funcs.pp_smu, &clock_table);
rn_clk_mgr_helper_populate_bw_params(clk_mgr->base.bw_params, &clock_table, &ctx->asic_id);
}
--
2.28.0