diff options
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c index 8e1ca709d304..ceaaa8df3641 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c @@ -221,6 +221,7 @@ void dcn401_init_hw(struct dc *dc) int edp_num; uint32_t backlight = MAX_BACKLIGHT_LEVEL; uint32_t user_level = MAX_BACKLIGHT_LEVEL; + int current_dchub_ref_freq = 0; if (dc->clk_mgr && dc->clk_mgr->funcs && dc->clk_mgr->funcs->init_clocks) { dc->clk_mgr->funcs->init_clocks(dc->clk_mgr); @@ -264,6 +265,8 @@ void dcn401_init_hw(struct dc *dc) dc->ctx->dc_bios->fw_info.pll_info.crystal_frequency, &res_pool->ref_clocks.dccg_ref_clock_inKhz); + current_dchub_ref_freq = res_pool->ref_clocks.dchub_ref_clock_inKhz / 1000; + (res_pool->hubbub->funcs->get_dchub_ref_freq)(res_pool->hubbub, res_pool->ref_clocks.dccg_ref_clock_inKhz, &res_pool->ref_clocks.dchub_ref_clock_inKhz); @@ -433,8 +436,9 @@ void dcn401_init_hw(struct dc *dc) dc->caps.dmub_caps.mclk_sw = dc->ctx->dmub_srv->dmub->feature_caps.fw_assisted_mclk_switch_ver > 0; dc->caps.dmub_caps.fams_ver = dc->ctx->dmub_srv->dmub->feature_caps.fw_assisted_mclk_switch_ver; dc->debug.fams2_config.bits.enable &= dc->ctx->dmub_srv->dmub->feature_caps.fw_assisted_mclk_switch_ver == 2; - if (!dc->debug.fams2_config.bits.enable && dc->res_pool->funcs->update_bw_bounding_box) { - /* update bounding box if FAMS2 disabled */ + if ((!dc->debug.fams2_config.bits.enable && dc->res_pool->funcs->update_bw_bounding_box) + || res_pool->ref_clocks.dchub_ref_clock_inKhz / 1000 != current_dchub_ref_freq) { + /* update bounding box if FAMS2 disabled, or if dchub clk has changed */ if (dc->clk_mgr) dc->res_pool->funcs->update_bw_bounding_box(dc, dc->clk_mgr->bw_params); |