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From 489a5e0002b88467931a08237d0ae36606f422e8 Mon Sep 17 00:00:00 2001
From: Likun Gao <Likun.Gao@amd.com>
Date: Tue, 19 Feb 2019 18:18:46 +0800
Subject: [PATCH 1490/2940] drm/amd/powerplay: support sysfs to get socclk,
fclk, dcefclk
Add sys interface to get socclk, fclk and dcefclk for smu.
Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Gui Chengming <Jack.Gui@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 12 +++--
drivers/gpu/drm/amd/powerplay/vega20_ppt.c | 56 ++++++++++++++++++++++
2 files changed, 65 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index d3efba85683f..99309153fb9e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -906,7 +906,9 @@ static ssize_t amdgpu_get_pp_dpm_socclk(struct device *dev,
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = ddev->dev_private;
- if (adev->powerplay.pp_funcs->print_clock_levels)
+ if (is_support_sw_smu(adev))
+ return smu_print_clk_levels(&adev->smu, PP_SOCCLK, buf);
+ else if (adev->powerplay.pp_funcs->print_clock_levels)
return amdgpu_dpm_print_clock_levels(adev, PP_SOCCLK, buf);
else
return snprintf(buf, PAGE_SIZE, "\n");
@@ -942,7 +944,9 @@ static ssize_t amdgpu_get_pp_dpm_fclk(struct device *dev,
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = ddev->dev_private;
- if (adev->powerplay.pp_funcs->print_clock_levels)
+ if (is_support_sw_smu(adev))
+ return smu_print_clk_levels(&adev->smu, PP_FCLK, buf);
+ else if (adev->powerplay.pp_funcs->print_clock_levels)
return amdgpu_dpm_print_clock_levels(adev, PP_FCLK, buf);
else
return snprintf(buf, PAGE_SIZE, "\n");
@@ -978,7 +982,9 @@ static ssize_t amdgpu_get_pp_dpm_dcefclk(struct device *dev,
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = ddev->dev_private;
- if (adev->powerplay.pp_funcs->print_clock_levels)
+ if (is_support_sw_smu(adev))
+ return smu_print_clk_levels(&adev->smu, PP_DCEFCLK, buf);
+ else if (adev->powerplay.pp_funcs->print_clock_levels)
return amdgpu_dpm_print_clock_levels(adev, PP_DCEFCLK, buf);
else
return snprintf(buf, PAGE_SIZE, "\n");
diff --git a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
index 6aa94ee81b59..88803ad2cdd8 100644
--- a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
@@ -773,6 +773,62 @@ static int vega20_print_clk_levels(struct smu_context *smu,
? "*" : "");
break;
+ case PP_SOCCLK:
+ ret = smu_get_current_clk_freq(smu, PPCLK_SOCCLK, &now);
+ if (ret) {
+ pr_err("Attempt to get current socclk Failed!");
+ return ret;
+ }
+
+ single_dpm_table = &(dpm_table->soc_table);
+ ret = vega20_get_clk_table(smu, &clocks, single_dpm_table);
+ if (ret) {
+ pr_err("Attempt to get socclk levels Failed!");
+ return ret;
+ }
+
+ for (i = 0; i < clocks.num_levels; i++)
+ size += sprintf(buf + size, "%d: %uMhz %s\n",
+ i, clocks.data[i].clocks_in_khz / 1000,
+ (clocks.data[i].clocks_in_khz == now * 10)
+ ? "*" : "");
+ break;
+
+ case PP_FCLK:
+ ret = smu_get_current_clk_freq(smu, PPCLK_FCLK, &now);
+ if (ret) {
+ pr_err("Attempt to get current fclk Failed!");
+ return ret;
+ }
+
+ single_dpm_table = &(dpm_table->fclk_table);
+ for (i = 0; i < single_dpm_table->count; i++)
+ size += sprintf(buf + size, "%d: %uMhz %s\n",
+ i, single_dpm_table->dpm_levels[i].value,
+ (single_dpm_table->dpm_levels[i].value == now / 100)
+ ? "*" : "");
+ break;
+
+ case PP_DCEFCLK:
+ ret = smu_get_current_clk_freq(smu, PPCLK_DCEFCLK, &now);
+ if (ret) {
+ pr_err("Attempt to get current dcefclk Failed!");
+ return ret;
+ }
+
+ single_dpm_table = &(dpm_table->dcef_table);
+ ret = vega20_get_clk_table(smu, &clocks, single_dpm_table);
+ if (ret) {
+ pr_err("Attempt to get dcefclk levels Failed!");
+ return ret;
+ }
+
+ for (i = 0; i < clocks.num_levels; i++)
+ size += sprintf(buf + size, "%d: %uMhz %s\n",
+ i, clocks.data[i].clocks_in_khz / 1000,
+ (clocks.data[i].clocks_in_khz == now * 10) ? "*" : "");
+ break;
+
case PP_PCIE:
break;
--
2.17.1
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