From eee5a5df39698030b9cbf4d00fc55390ffae4475 Mon Sep 17 00:00:00 2001 From: Likun Gao Date: Tue, 15 Jan 2019 10:56:55 +0800 Subject: [PATCH 1399/2940] drm/amd/powerplay: print clock levels for smu11 (v2) Add function to print current levels for smu11. v2: expose get_current_clk_freq for smu v11. (Kevin) Signed-off-by: Likun Gao Signed-off-by: Kevin Wang Reviewed-by: Huang Rui Acked-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 9 ++- .../gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 3 + drivers/gpu/drm/amd/powerplay/vega20_ppt.c | 79 +++++++++++++++++++ 3 files changed, 89 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c index a7adb7b6bd98..c124a90e1475 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c @@ -28,6 +28,7 @@ #include "amdgpu_pm.h" #include "amdgpu_dpm.h" #include "amdgpu_display.h" +#include "amdgpu_smu.h" #include "atom.h" #include #include @@ -711,7 +712,9 @@ static ssize_t amdgpu_get_pp_dpm_sclk(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 (adev->smu.ppt_funcs) + return smu_print_clk_levels(&adev->smu, PP_SCLK, buf); + else if (adev->powerplay.pp_funcs->print_clock_levels) return amdgpu_dpm_print_clock_levels(adev, PP_SCLK, buf); else return snprintf(buf, PAGE_SIZE, "\n"); @@ -783,7 +786,9 @@ static ssize_t amdgpu_get_pp_dpm_mclk(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 (adev->smu.ppt_funcs) + return smu_print_clk_levels(&adev->smu, PP_MCLK, buf); + else if (adev->powerplay.pp_funcs->print_clock_levels) return amdgpu_dpm_print_clock_levels(adev, PP_MCLK, buf); else return snprintf(buf, PAGE_SIZE, "\n"); diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h index bdd930d03157..a3c8b736af84 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h @@ -216,6 +216,7 @@ struct pptable_funcs { int (*get_unallowed_feature_mask)(struct smu_context *smu, uint32_t *feature_mask, uint32_t num); int (*set_default_dpm_table)(struct smu_context *smu); int (*populate_umd_state_clk)(struct smu_context *smu); + int (*print_clk_levels)(struct smu_context *smu, enum pp_clock_type type, char *buf); }; struct smu_funcs @@ -330,6 +331,8 @@ struct smu_funcs ((smu)->funcs->get_power_limit? (smu)->funcs->get_power_limit((smu)) : 0) #define smu_get_current_clk_freq(smu, clk_id, value) \ ((smu)->funcs->get_current_clk_freq? (smu)->funcs->get_current_clk_freq((smu), (clk_id), (value)) : 0) +#define smu_print_clk_levels(smu, type, buf) \ + ((smu)->ppt_funcs->print_clk_levels ? (smu)->ppt_funcs->print_clk_levels((smu), (type), (buf)) : 0) #define smu_msg_get_index(smu, msg) \ ((smu)->ppt_funcs? ((smu)->ppt_funcs->get_smu_msg_index? (smu)->ppt_funcs->get_smu_msg_index((smu), (msg)) : -EINVAL) : -EINVAL) diff --git a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c index d794290b2839..d34e1facd79c 100644 --- a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c @@ -552,6 +552,84 @@ static int vega20_populate_umd_state_clk(struct smu_context *smu) return 0; } +static int vega20_get_clk_table(struct smu_context *smu, + struct pp_clock_levels_with_latency *clocks, + struct vega20_single_dpm_table *dpm_table) +{ + int i, count; + + count = (dpm_table->count > MAX_NUM_CLOCKS) ? MAX_NUM_CLOCKS : dpm_table->count; + clocks->num_levels = count; + + for (i = 0; i < count; i++) { + clocks->data[i].clocks_in_khz = + dpm_table->dpm_levels[i].value * 1000; + clocks->data[i].latency_in_us = 0; + } + + return 0; +} + +static int vega20_print_clk_levels(struct smu_context *smu, + enum pp_clock_type type, char *buf) +{ + int i, now, size = 0; + int ret = 0; + struct pp_clock_levels_with_latency clocks; + struct vega20_single_dpm_table *single_dpm_table; + struct smu_dpm_context *smu_dpm = &smu->smu_dpm; + struct vega20_dpm_table *dpm_table = NULL; + + dpm_table = smu_dpm->dpm_context; + + switch (type) { + case PP_SCLK: + ret = smu_get_current_clk_freq(smu, PPCLK_GFXCLK, &now); + if (ret) { + pr_err("Attempt to get current gfx clk Failed!"); + return ret; + } + + single_dpm_table = &(dpm_table->gfx_table); + ret = vega20_get_clk_table(smu, &clocks, single_dpm_table); + if (ret) { + pr_err("Attempt to get gfx clk 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_MCLK: + ret = smu_get_current_clk_freq(smu, PPCLK_UCLK, &now); + if (ret) { + pr_err("Attempt to get current mclk Failed!"); + return ret; + } + + single_dpm_table = &(dpm_table->mem_table); + ret = vega20_get_clk_table(smu, &clocks, single_dpm_table); + if (ret) { + pr_err("Attempt to get memory clk 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; + default: + break; + } + return size; +} + static const struct pptable_funcs vega20_ppt_funcs = { .alloc_dpm_context = vega20_allocate_dpm_context, .store_powerplay_table = vega20_store_powerplay_table, @@ -562,6 +640,7 @@ static const struct pptable_funcs vega20_ppt_funcs = { .get_unallowed_feature_mask = vega20_get_unallowed_feature_mask, .set_default_dpm_table = vega20_set_default_dpm_table, .populate_umd_state_clk = vega20_populate_umd_state_clk, + .print_clk_levels = vega20_print_clk_levels, }; void vega20_set_ppt_funcs(struct smu_context *smu) -- 2.17.1