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From 1b26aa3be72e3057d1df0a7f27ec5468235dfe10 Mon Sep 17 00:00:00 2001
From: Rex Zhu <Rex.Zhu@amd.com>
Date: Tue, 18 Sep 2018 18:07:54 +0800
Subject: [PATCH 0379/2940] drm/amd/pp: Honour DC's clock limits on Rv
Honour display's request for min engine clock/memory clock.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
---
.../gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c | 25 +++++++++++++------
1 file changed, 17 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c
index 9808bd48b386..5d1dae25a466 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c
@@ -552,6 +552,8 @@ static int smu10_dpm_force_dpm_level(struct pp_hwmgr *hwmgr,
{
struct smu10_hwmgr *data = hwmgr->backend;
struct amdgpu_device *adev = hwmgr->adev;
+ uint32_t min_sclk = hwmgr->display_config->min_core_set_clock;
+ uint32_t min_mclk = hwmgr->display_config->min_mem_set_clock/100;
if (hwmgr->smu_version < 0x1E3700) {
pr_info("smu firmware version too old, can not set dpm level\n");
@@ -563,6 +565,13 @@ static int smu10_dpm_force_dpm_level(struct pp_hwmgr *hwmgr,
(adev->rev_id >= 8))
return 0;
+ if (min_sclk < data->gfx_min_freq_limit)
+ min_sclk = data->gfx_min_freq_limit;
+
+ min_sclk /= 100; /* transfer 10KHz to MHz */
+ if (min_mclk < data->clock_table.FClocks[0].Freq)
+ min_mclk = data->clock_table.FClocks[0].Freq;
+
switch (level) {
case AMD_DPM_FORCED_LEVEL_HIGH:
case AMD_DPM_FORCED_LEVEL_PROFILE_PEAK:
@@ -595,18 +604,18 @@ static int smu10_dpm_force_dpm_level(struct pp_hwmgr *hwmgr,
case AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK:
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinGfxClk,
- data->gfx_min_freq_limit/100);
+ min_sclk);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSoftMaxGfxClk,
- data->gfx_min_freq_limit/100);
+ min_sclk);
break;
case AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK:
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinFclkByFreq,
- SMU10_UMD_PSTATE_MIN_FCLK);
+ min_mclk);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSoftMaxFclkByFreq,
- SMU10_UMD_PSTATE_MIN_FCLK);
+ min_mclk);
break;
case AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD:
smum_send_msg_to_smc_with_parameter(hwmgr,
@@ -638,12 +647,12 @@ static int smu10_dpm_force_dpm_level(struct pp_hwmgr *hwmgr,
case AMD_DPM_FORCED_LEVEL_AUTO:
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinGfxClk,
- data->gfx_min_freq_limit/100);
+ min_sclk);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinFclkByFreq,
hwmgr->display_config->num_display > 3 ?
SMU10_UMD_PSTATE_PEAK_FCLK :
- SMU10_UMD_PSTATE_MIN_FCLK);
+ min_mclk);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinSocclkByFreq,
@@ -674,10 +683,10 @@ static int smu10_dpm_force_dpm_level(struct pp_hwmgr *hwmgr,
data->gfx_min_freq_limit/100);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinFclkByFreq,
- SMU10_UMD_PSTATE_MIN_FCLK);
+ min_mclk);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSoftMaxFclkByFreq,
- SMU10_UMD_PSTATE_MIN_FCLK);
+ min_mclk);
break;
case AMD_DPM_FORCED_LEVEL_MANUAL:
case AMD_DPM_FORCED_LEVEL_PROFILE_EXIT:
--
2.17.1
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