From a0c64c16ec52d1668637858871a0c5bbf2b6a0b0 Mon Sep 17 00:00:00 2001 From: Likun Gao Date: Mon, 28 Jan 2019 19:12:10 +0800 Subject: [PATCH 1467/2940] drm/amd/powerplay: add function to get sclk and mclk Add function to get sclk and mclk for smu11. Signed-off-by: Likun Gao Reviewed-by: Huang Rui Acked-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c | 16 ++++ drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h | 10 +-- .../gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 6 ++ drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 84 +++++++++++++++++++ 4 files changed, 110 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c index 344967df3137..523b8ab6b04e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c @@ -904,3 +904,19 @@ amdgpu_get_vce_clock_state(void *handle, u32 idx) return NULL; } + +int amdgpu_dpm_get_sclk(struct amdgpu_device *adev, bool low) +{ + if (is_support_sw_smu(adev)) + return smu_get_sclk(&adev->smu, low); + else + return (adev)->powerplay.pp_funcs->get_sclk((adev)->powerplay.pp_handle, (low)); +} + +int amdgpu_dpm_get_mclk(struct amdgpu_device *adev, bool low) +{ + if (is_support_sw_smu(adev)) + return smu_get_mclk(&adev->smu, low); + else + return (adev)->powerplay.pp_funcs->get_mclk((adev)->powerplay.pp_handle, (low)); +} diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h index 5b1539e72101..2fda77fec930 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h @@ -278,12 +278,6 @@ enum amdgpu_pcie_gen { #define amdgpu_dpm_set_fan_speed_rpm(adev, s) \ ((adev)->powerplay.pp_funcs->set_fan_speed_rpm)((adev)->powerplay.pp_handle, (s)) -#define amdgpu_dpm_get_sclk(adev, l) \ - ((adev)->powerplay.pp_funcs->get_sclk((adev)->powerplay.pp_handle, (l))) - -#define amdgpu_dpm_get_mclk(adev, l) \ - ((adev)->powerplay.pp_funcs->get_mclk((adev)->powerplay.pp_handle, (l))) - #define amdgpu_dpm_force_performance_level(adev, l) \ ((adev)->powerplay.pp_funcs->force_performance_level((adev)->powerplay.pp_handle, (l))) @@ -509,4 +503,8 @@ enum amdgpu_pcie_gen amdgpu_get_pcie_gen_support(struct amdgpu_device *adev, struct amd_vce_state* amdgpu_get_vce_clock_state(void *handle, u32 idx); +extern int amdgpu_dpm_get_sclk(struct amdgpu_device *adev, bool low); + +extern int amdgpu_dpm_get_mclk(struct amdgpu_device *adev, bool low); + #endif diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h index db050978020f..d7f26e178839 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h @@ -528,6 +528,8 @@ struct smu_funcs uint32_t value); int (*dpm_set_uvd_enable)(struct smu_context *smu, bool enable); int (*dpm_set_vce_enable)(struct smu_context *smu, bool enable); + uint32_t (*get_sclk)(struct smu_context *smu, bool low); + uint32_t (*get_mclk)(struct smu_context *smu, bool low); }; #define smu_init_microcode(smu) \ @@ -693,6 +695,10 @@ struct smu_funcs ((smu)->funcs->dpm_set_uvd_enable ? (smu)->funcs->dpm_set_uvd_enable((smu), (enable)) : 0) #define smu_dpm_set_vce_enable(smu, enable) \ ((smu)->funcs->dpm_set_vce_enable ? (smu)->funcs->dpm_set_vce_enable((smu), (enable)) : 0) +#define smu_get_sclk(smu, low) \ + ((smu)->funcs->get_sclk ? (smu)->funcs->get_sclk((smu), (low)) : 0) +#define smu_get_mclk(smu, low) \ + ((smu)->funcs->get_mclk ? (smu)->funcs->get_mclk((smu), (low)) : 0) extern int smu_get_atom_data_table(struct smu_context *smu, uint32_t table, diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c index 3ebf89b3f815..48174df19105 100644 --- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c +++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c @@ -1258,6 +1258,88 @@ smu_v11_0_set_watermarks_for_clock_ranges(struct smu_context *smu, struct return ret; } +static int smu_v11_0_get_clock_ranges(struct smu_context *smu, + uint32_t *clock, + PPCLK_e clock_select, + bool max) +{ + int ret; + *clock = 0; + if (max) { + ret = smu_send_smc_msg_with_param(smu, SMU_MSG_GetMaxDpmFreq, + (clock_select << 16)); + if (ret) { + pr_err("[GetClockRanges] Failed to get max clock from SMC!\n"); + return ret; + } + smu_read_smc_arg(smu, clock); + } else { + ret = smu_send_smc_msg_with_param(smu, SMU_MSG_GetMinDpmFreq, + (clock_select << 16)); + if (ret) { + pr_err("[GetClockRanges] Failed to get min clock from SMC!\n"); + return ret; + } + smu_read_smc_arg(smu, clock); + } + + return 0; +} + +static uint32_t smu_v11_0_dpm_get_sclk(struct smu_context *smu, bool low) +{ + uint32_t gfx_clk; + int ret; + + if (!smu_feature_is_enabled(smu, FEATURE_DPM_GFXCLK_BIT)) { + pr_err("[GetSclks]: gfxclk dpm not enabled!\n"); + return -EPERM; + } + + if (low) { + ret = smu_v11_0_get_clock_ranges(smu, &gfx_clk, PPCLK_GFXCLK, false); + if (ret) { + pr_err("[GetSclks]: fail to get min PPCLK_GFXCLK\n"); + return ret; + } + } else { + ret = smu_v11_0_get_clock_ranges(smu, &gfx_clk, PPCLK_GFXCLK, true); + if (ret) { + pr_err("[GetSclks]: fail to get max PPCLK_GFXCLK\n"); + return ret; + } + } + + return (gfx_clk * 100); +} + +static uint32_t smu_v11_0_dpm_get_mclk(struct smu_context *smu, bool low) +{ + uint32_t mem_clk; + int ret; + + if (!smu_feature_is_enabled(smu, FEATURE_DPM_UCLK_BIT)) { + pr_err("[GetMclks]: memclk dpm not enabled!\n"); + return -EPERM; + } + + if (low) { + ret = smu_v11_0_get_clock_ranges(smu, &mem_clk, PPCLK_UCLK, false); + if (ret) { + pr_err("[GetMclks]: fail to get min PPCLK_UCLK\n"); + return ret; + } + } else { + ret = smu_v11_0_get_clock_ranges(smu, &mem_clk, PPCLK_GFXCLK, true); + if (ret) { + pr_err("[GetMclks]: fail to get max PPCLK_UCLK\n"); + return ret; + } + } + + return (mem_clk * 100); +} + static int smu_v11_0_set_od8_default_settings(struct smu_context *smu) { struct smu_table_context *table_context = &smu->smu_table; @@ -1658,6 +1740,8 @@ static const struct smu_funcs smu_v11_0_funcs = { .set_deep_sleep_dcefclk = smu_v11_0_set_deep_sleep_dcefclk, .display_clock_voltage_request = smu_v11_0_display_clock_voltage_request, .set_watermarks_for_clock_ranges = smu_v11_0_set_watermarks_for_clock_ranges, + .get_sclk = smu_v11_0_dpm_get_sclk, + .get_mclk = smu_v11_0_dpm_get_mclk, .set_od8_default_settings = smu_v11_0_set_od8_default_settings, .get_activity_monitor_coeff = smu_v11_0_get_activity_monitor_coeff, .set_activity_monitor_coeff = smu_v11_0_set_activity_monitor_coeff, -- 2.17.1