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-rw-r--r--drivers/gpu/drm/amd/display/dc/clk_mgr/dcn42/dcn42_clk_mgr.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn42/dcn42_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn42/dcn42_clk_mgr.c
index 245a217894a7..d856a7a807b1 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn42/dcn42_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn42/dcn42_clk_mgr.c
@@ -1078,10 +1078,11 @@ void dcn42_clk_mgr_construct(
dcn42_bw_params.vram_type = ctx->dc_bios->integrated_info->memory_type;
dcn42_bw_params.dram_channel_width_bytes = ctx->dc_bios->integrated_info->memory_type == 0x22 ? 8 : 4;
- dcn42_bw_params.num_channels = ctx->dc_bios->integrated_info->ma_channel_number ? ctx->dc_bios->integrated_info->ma_channel_number : 1;
- clk_mgr->base.base.dprefclk_khz = dcn42_smu_get_dprefclk(&clk_mgr->base);
- clk_mgr->base.base.clks.ref_dtbclk_khz = dcn42_smu_get_dtbclk(&clk_mgr->base);
-
+ dcn42_bw_params.num_channels = ctx->dc_bios->integrated_info->ma_channel_number ? ctx->dc_bios->integrated_info->ma_channel_number : 2;
+ if (clk_mgr->base.smu_present) {
+ clk_mgr->base.base.clks.ref_dtbclk_khz = dcn42_smu_get_dtbclk(&clk_mgr->base);
+ clk_mgr->base.base.dprefclk_khz = dcn42_smu_get_dprefclk(&clk_mgr->base);
+ }
clk_mgr->base.base.bw_params = &dcn42_bw_params;
if (clk_mgr->base.smu_present)