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From: Rex Zhu <Rex.Zhu-5C7GfCeVMHo@public.gmane.org>
To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Cc: Rex Zhu <Rex.Zhu-5C7GfCeVMHo@public.gmane.org>
Subject: [PATCH 1/2] drm/amd/pp: Honour DC's clock limits on Rv
Date: Tue, 18 Sep 2018 21:11:13 +0800	[thread overview]
Message-ID: <1537276274-3331-1-git-send-email-Rex.Zhu@amd.com> (raw)

Honour display's request for min engine clock/memory clock.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
---
 drivers/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 9808bd4..5d1dae2 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:
-- 
1.9.1

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             reply	other threads:[~2018-09-18 13:11 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-18 13:11 Rex Zhu [this message]
     [not found] ` <1537276274-3331-1-git-send-email-Rex.Zhu-5C7GfCeVMHo@public.gmane.org>
2018-09-18 13:11   ` [PATCH 2/2] drm/amd/pp: Return error immediately if load firmware failed Rex Zhu
2018-09-18 14:29   ` [PATCH 1/2] drm/amd/pp: Honour DC's clock limits on Rv Deucher, Alexander

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