diff options
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c | 8 |
1 files changed, 8 insertions, 0 deletions
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 fb8aa9436bf0..0e712df87109 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 @@ -546,6 +546,8 @@ void rn_clk_mgr_helper_populate_bw_params(struct clk_bw_params *bw_params, struc { int i, j = 0; + j = -1; + ASSERT(PP_SMU_NUM_FCLK_DPM_LEVELS <= MAX_NUM_DPM_LVL); /* Find lowest DPM, FCLK is filled in reverse order*/ @@ -557,6 +559,12 @@ void rn_clk_mgr_helper_populate_bw_params(struct clk_bw_params *bw_params, struc } } + if (j == -1) { + /* clock table is all 0s, just use our own hardcode */ + ASSERT(0); + return; + } + bw_params->clk_table.num_entries = j + 1; for (i = 0; i < bw_params->clk_table.num_entries; i++, j--) { |