diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c index 49114d823240..6bc4b3f3301f 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c @@ -2611,11 +2611,14 @@ static bool init_soc_bounding_box(struct dc *dc, if (pool->base.pp_smu->nv_funcs.get_maximum_sustainable_clocks) { status = (*pool->base.pp_smu->nv_funcs.get_maximum_sustainable_clocks) (&pool->base.pp_smu->nv_funcs.pp_smu, &max_clocks); - + /* SMU cannot set DCF clock to anything equal to or higher than SOC clock + */ + if (max_clocks.dcfClockInKhz >= max_clocks.socClockInKhz) + max_clocks.dcfClockInKhz = max_clocks.socClockInKhz - 1000; clock_limits_available = (status == PP_SMU_RESULT_OK); } - if (clock_limits_available && uclk_states_available) + if (clock_limits_available && uclk_states_available && num_states) update_bounding_box(dc, &dcn2_0_soc, &max_clocks, uclk_states, num_states); else if (clock_limits_available) cap_soc_clocks(&dcn2_0_soc, max_clocks); |