From: Chris Park <Chris.Park@xxxxxxx> [Why] On HG APU + dGPU scenario with no display to dGPU, DS stays disabled due to no display present. This problem can be worked around by DAL calling DCEFCLK DS message to SMU on clk init. [How] Call DCEFCLK DS message to SMU on clk init. Reviewed-by: Jun Lei <Jun.Lei@xxxxxxx> Acked-by: Wayne Lin <wayne.lin@xxxxxxx> Signed-off-by: Chris Park <Chris.Park@xxxxxxx> --- drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c index f977f29907df..0602bde78e6c 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c @@ -184,6 +184,7 @@ void dcn3_init_clocks(struct clk_mgr *clk_mgr_base) dcn3_init_single_clock(clk_mgr, PPCLK_DCEFCLK, &clk_mgr_base->bw_params->clk_table.entries[0].dcfclk_mhz, &num_levels); + dcn30_smu_set_min_deep_sleep_dcef_clk(clk_mgr, 0); /* DTBCLK */ dcn3_init_single_clock(clk_mgr, PPCLK_DTBCLK, -- 2.25.1
