From 0967610142275c3aa1b73d923505cb8e73916af5 Mon Sep 17 00:00:00 2001 From: Likun Gao Date: Tue, 19 Feb 2019 18:18:46 +0800 Subject: [PATCH] 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 Reviewed-by: Gui Chengming Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- 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 d3efba8..9930915 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 6aa94ee..88803ad 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; -- 2.7.4