From ad8cec7df5d4bf3b1109fabbb1d61663857045ae Mon Sep 17 00:00:00 2001 From: Rex Zhu Date: Wed, 8 Nov 2017 16:39:00 +0800 Subject: [PATCH] drm/amd/pp: Implement get_max_high_clocks for CI/VI v2: add table length check. DC component expect PP to give max engine clock and memory clock through pp_get_display_mode_validation_clocks on DGPU as well. This patch can fix MultiGPU-Display blank out with 1 IGPU-4k display and 2 DGPU-two 4K displays. Reviewed-by: Alex Deucher Signed-off-by: Rex Zhu Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c index 40adc855c416..41e42beff213 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c @@ -4651,6 +4651,25 @@ static int smu7_notify_cac_buffer_info(struct pp_hwmgr *hwmgr, return 0; } +static int smu7_get_max_high_clocks(struct pp_hwmgr *hwmgr, + struct amd_pp_simple_clock_info *clocks) +{ + struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend); + struct smu7_single_dpm_table *sclk_table = &(data->dpm_table.sclk_table); + struct smu7_single_dpm_table *mclk_table = &(data->dpm_table.mclk_table); + + if (clocks == NULL) + return -EINVAL; + + clocks->memory_max_clock = mclk_table->count > 1 ? + mclk_table->dpm_levels[mclk_table->count-1].value : + mclk_table->dpm_levels[0].value; + clocks->engine_max_clock = sclk_table->count > 1 ? + sclk_table->dpm_levels[sclk_table->count-1].value : + sclk_table->dpm_levels[0].value; + return 0; +} + static const struct pp_hwmgr_func smu7_hwmgr_funcs = { .backend_init = &smu7_hwmgr_backend_init, .backend_fini = &smu7_hwmgr_backend_fini, @@ -4703,6 +4722,7 @@ static const struct pp_hwmgr_func smu7_hwmgr_funcs = { .disable_smc_firmware_ctf = smu7_thermal_disable_alert, .start_thermal_controller = smu7_start_thermal_controller, .notify_cac_buffer_info = smu7_notify_cac_buffer_info, + .get_max_high_clocks = smu7_get_max_high_clocks, }; uint8_t smu7_get_sleep_divider_id_from_clock(uint32_t clock, -- 2.11.0