From: Sung Lee <[email protected]> [Why] If system is overclocked, only 1 bounding box state will be sent by SMU. This results in an empty state being copied for DML calculations causing black screens and corruption.
[How] Fully populate bounding box before duplicating last state. Signed-off-by: Sung Lee <[email protected]> Reviewed-by: Tony Cheng <[email protected]> Acked-by: Qingqing Zhuo <[email protected]> --- drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c index 674376428916..d6d78438ea08 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c @@ -1616,11 +1616,11 @@ static void update_bw_bounding_box(struct dc *dc, struct clk_bw_params *bw_param dcn2_1_soc.clock_limits[i] = clock_limits[i]; if (clk_table->num_entries) { dcn2_1_soc.num_states = clk_table->num_entries + 1; + /* fill in min DF PState */ + dcn2_1_soc.clock_limits[1] = construct_low_pstate_lvl(clk_table, closest_clk_lvl); /* duplicate last level */ dcn2_1_soc.clock_limits[dcn2_1_soc.num_states] = dcn2_1_soc.clock_limits[dcn2_1_soc.num_states - 1]; dcn2_1_soc.clock_limits[dcn2_1_soc.num_states].state = dcn2_1_soc.num_states; - /* fill in min DF PState */ - dcn2_1_soc.clock_limits[1] = construct_low_pstate_lvl(clk_table, closest_clk_lvl); } dml_init_instance(&dc->dml, &dcn2_1_soc, &dcn2_1_ip, DML_PROJECT_DCN21); -- 2.17.1 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
