From: Chengming Gui <[email protected]> add display_config_changed to support sys interface for SMU11.
Signed-off-by: Chengming Gui <[email protected]> Reviewed-by: Huang Rui <[email protected]> --- drivers/gpu/drm/amd/powerplay/vega20_ppt.c | 42 ++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c index 1908b91..0b13c93 100644 --- a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c @@ -1376,6 +1376,48 @@ vega20_set_uclk_to_highest_dpm_level(struct smu_context *smu, return ret; } +static int vega20_display_config_changed(struct smu_context *smu) +{ + int ret = 0; + struct vega20_dpm_table *dpm_table = smu->smu_dpm.dpm_context; + + if (!smu->funcs) + return -EINVAL; + + if (!smu->smu_dpm.dpm_context || + !smu->smu_table.tables || + !smu->smu_table.tables[TABLE_WATERMARKS].cpu_addr) + return -EINVAL; + + smu_send_smc_msg_with_param(smu, SMU_MSG_NumOfDisplays, 0); + ret = vega20_set_uclk_to_highest_dpm_level(smu, + &dpm_table->mem_table); + if (ret) { + pr_err("Failed to set uclk to highest dpm level"); + return ret; + } + + if ((smu->watermarks_bitmap & WATERMARKS_EXIST) && + !(smu->watermarks_bitmap & WATERMARKS_LOADED)) { + ret = smu->funcs->write_watermarks_table(smu); + if (ret) { + pr_err("Failed to update WMTABLE!"); + return ret; + } + smu->watermarks_bitmap |= WATERMARKS_LOADED; + } + + if ((smu->watermarks_bitmap & WATERMARKS_EXIST) && + smu_feature_is_supported(smu, FEATURE_DPM_DCEFCLK_BIT) && + smu_feature_is_supported(smu, FEATURE_DPM_SOCCLK_BIT)) { + smu_send_smc_msg_with_param(smu, + SMU_MSG_NumOfDisplays, + smu->display_config->num_display); + } + + return ret; +} + static const struct pptable_funcs vega20_ppt_funcs = { .alloc_dpm_context = vega20_allocate_dpm_context, .store_powerplay_table = vega20_store_powerplay_table, -- 2.7.4 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
