[PATCH 3/3] drm/amd/powerplay: support ppfeatures sysfs interface on sw smu routine
Huang, Ray
Ray.Huang at amd.com
Tue May 14 05:32:46 UTC 2019
> -----Original Message-----
> From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Evan
> Quan
> Sent: Monday, May 13, 2019 3:53 PM
> To: amd-gfx at lists.freedesktop.org
> Cc: Quan, Evan <Evan.Quan at amd.com>
> Subject: [PATCH 3/3] drm/amd/powerplay: support ppfeatures sysfs
> interface on sw smu routine
>
> Support ppfeatures sysfs interface on Vega20 sw smu routine.
>
> Change-Id: If67f2d87e7d5aa09cfd61e86daaaaf88d5f2f4dd
> Signed-off-by: Evan Quan <evan.quan at amd.com>
Series are Reviewed-by: Huang Rui <ray.huang at amd.com>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 10 +-
> .../gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 7 +-
> drivers/gpu/drm/amd/powerplay/vega20_ppt.c | 153
> ++++++++++++++++++
> drivers/gpu/drm/amd/powerplay/vega20_ppt.h | 44 +++++
> 4 files changed, 211 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
> index bd40d5d72508..adba9ea03e63 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
> @@ -767,7 +767,11 @@ static ssize_t amdgpu_set_ppfeature_status(struct
> device *dev,
>
> pr_debug("featuremask = 0x%llx\n", featuremask);
>
> - if (adev->powerplay.pp_funcs->set_ppfeature_status) {
> + if (is_support_sw_smu(adev)) {
> + ret = smu_set_ppfeature_status(&adev->smu, featuremask);
> + if (ret)
> + return -EINVAL;
> + } else if (adev->powerplay.pp_funcs->set_ppfeature_status) {
> ret = amdgpu_dpm_set_ppfeature_status(adev, featuremask);
> if (ret)
> return -EINVAL;
> @@ -783,7 +787,9 @@ static ssize_t amdgpu_get_ppfeature_status(struct
> device *dev,
> struct drm_device *ddev = dev_get_drvdata(dev);
> struct amdgpu_device *adev = ddev->dev_private;
>
> - if (adev->powerplay.pp_funcs->get_ppfeature_status)
> + if (is_support_sw_smu(adev)) {
> + return smu_get_ppfeature_status(&adev->smu, buf);
> + } else if (adev->powerplay.pp_funcs->get_ppfeature_status)
> return amdgpu_dpm_get_ppfeature_status(adev, buf);
>
> 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 89052414e9f1..3a9c253759dc 100644
> --- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
> +++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
> @@ -458,6 +458,8 @@ struct pptable_funcs {
> uint32_t *mclk_mask,
> uint32_t *soc_mask);
> int (*set_cpu_power_state)(struct smu_context *smu);
> + int (*set_ppfeature_status)(struct smu_context *smu, uint64_t
> ppfeatures);
> + int (*get_ppfeature_status)(struct smu_context *smu, char *buf);
> };
>
> struct smu_funcs
> @@ -727,7 +729,10 @@ struct smu_funcs
> ((smu)->funcs->get_mclk ? (smu)->funcs->get_mclk((smu), (low)) : 0)
> #define smu_set_xgmi_pstate(smu, pstate) \
> ((smu)->funcs->set_xgmi_pstate ? (smu)->funcs-
> >set_xgmi_pstate((smu), (pstate)) : 0)
> -
> +#define smu_set_ppfeature_status(smu, ppfeatures) \
> + ((smu)->ppt_funcs->set_ppfeature_status ?
> +(smu)->ppt_funcs->set_ppfeature_status((smu), (ppfeatures)) : -EINVAL)
> #define smu_get_ppfeature_status(smu, buf) \
> + ((smu)->ppt_funcs->get_ppfeature_status ?
> +(smu)->ppt_funcs->get_ppfeature_status((smu), (buf)) : -EINVAL)
>
> extern int smu_get_atom_data_table(struct smu_context *smu, uint32_t
> table,
> uint16_t *size, uint8_t *frev, uint8_t *crev, diff --git
> a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
> b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
> index 8fafcbdb1dfd..b39f3d439332 100644
> --- a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
> +++ b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
> @@ -2374,6 +2374,157 @@ static int vega20_odn_edit_dpm_table(struct
> smu_context *smu,
> return ret;
> }
>
> +static int vega20_get_enabled_smc_features(struct smu_context *smu,
> + uint64_t *features_enabled) {
> + uint32_t feature_mask[2];
> + int ret = 0;
> +
> + ret = smu_feature_get_enabled_mask(smu, feature_mask, 2);
> + if (ret)
> + return ret;
> +
> + *features_enabled = ((((uint64_t)feature_mask[0] <<
> SMU_FEATURES_LOW_SHIFT) & SMU_FEATURES_LOW_MASK) |
> + (((uint64_t)feature_mask[1] <<
> + SMU_FEATURES_HIGH_SHIFT) & SMU_FEATURES_HIGH_MASK));
> +
> + return ret;
> +}
> +
> +static int vega20_enable_smc_features(struct smu_context *smu,
> + bool enable, uint64_t feature_mask) {
> + uint32_t smu_features_low, smu_features_high;
> + int ret = 0;
> +
> + smu_features_low = (uint32_t)((feature_mask &
> SMU_FEATURES_LOW_MASK) >> SMU_FEATURES_LOW_SHIFT);
> + smu_features_high = (uint32_t)((feature_mask &
> + SMU_FEATURES_HIGH_MASK) >> SMU_FEATURES_HIGH_SHIFT);
> +
> + if (enable) {
> + ret = smu_send_smc_msg_with_param(smu,
> SMU_MSG_EnableSmuFeaturesLow,
> + smu_features_low);
> + if (ret)
> + return ret;
> + ret = smu_send_smc_msg_with_param(smu,
> SMU_MSG_EnableSmuFeaturesHigh,
> + smu_features_high);
> + if (ret)
> + return ret;
> + } else {
> + ret = smu_send_smc_msg_with_param(smu,
> SMU_MSG_DisableSmuFeaturesLow,
> + smu_features_low);
> + if (ret)
> + return ret;
> + ret = smu_send_smc_msg_with_param(smu,
> SMU_MSG_DisableSmuFeaturesHigh,
> + smu_features_high);
> + if (ret)
> + return ret;
> + }
> +
> + return 0;
> +
> +}
> +
> +static int vega20_get_ppfeature_status(struct smu_context *smu, char
> +*buf) {
> + static const char *ppfeature_name[] = {
> + "DPM_PREFETCHER",
> + "GFXCLK_DPM",
> + "UCLK_DPM",
> + "SOCCLK_DPM",
> + "UVD_DPM",
> + "VCE_DPM",
> + "ULV",
> + "MP0CLK_DPM",
> + "LINK_DPM",
> + "DCEFCLK_DPM",
> + "GFXCLK_DS",
> + "SOCCLK_DS",
> + "LCLK_DS",
> + "PPT",
> + "TDC",
> + "THERMAL",
> + "GFX_PER_CU_CG",
> + "RM",
> + "DCEFCLK_DS",
> + "ACDC",
> + "VR0HOT",
> + "VR1HOT",
> + "FW_CTF",
> + "LED_DISPLAY",
> + "FAN_CONTROL",
> + "GFX_EDC",
> + "GFXOFF",
> + "CG",
> + "FCLK_DPM",
> + "FCLK_DS",
> + "MP1CLK_DS",
> + "MP0CLK_DS",
> + "XGMI",
> + "ECC"};
> + static const char *output_title[] = {
> + "FEATURES",
> + "BITMASK",
> + "ENABLEMENT"};
> + uint64_t features_enabled;
> + int i;
> + int ret = 0;
> + int size = 0;
> +
> + ret = vega20_get_enabled_smc_features(smu, &features_enabled);
> + if (ret)
> + return ret;
> +
> + size += sprintf(buf + size, "Current ppfeatures: 0x%016llx\n",
> features_enabled);
> + size += sprintf(buf + size, "%-19s %-22s %s\n",
> + output_title[0],
> + output_title[1],
> + output_title[2]);
> + for (i = 0; i < GNLD_FEATURES_MAX; i++) {
> + size += sprintf(buf + size, "%-19s 0x%016llx %6s\n",
> + ppfeature_name[i],
> + 1ULL << i,
> + (features_enabled & (1ULL << i)) ? "Y" : "N");
> + }
> +
> + return size;
> +}
> +
> +static int vega20_set_ppfeature_status(struct smu_context *smu,
> +uint64_t new_ppfeature_masks) {
> + uint64_t features_enabled;
> + uint64_t features_to_enable;
> + uint64_t features_to_disable;
> + int ret = 0;
> +
> + if (new_ppfeature_masks >= (1ULL << GNLD_FEATURES_MAX))
> + return -EINVAL;
> +
> + ret = vega20_get_enabled_smc_features(smu, &features_enabled);
> + if (ret)
> + return ret;
> +
> + features_to_disable =
> + features_enabled & ~new_ppfeature_masks;
> + features_to_enable =
> + ~features_enabled & new_ppfeature_masks;
> +
> + pr_debug("features_to_disable 0x%llx\n", features_to_disable);
> + pr_debug("features_to_enable 0x%llx\n", features_to_enable);
> +
> + if (features_to_disable) {
> + ret = vega20_enable_smc_features(smu, false,
> features_to_disable);
> + if (ret)
> + return ret;
> + }
> +
> + if (features_to_enable) {
> + ret = vega20_enable_smc_features(smu, true, features_to_enable);
> + if (ret)
> + return ret;
> + }
> +
> + return 0;
> +}
> +
> static const struct pptable_funcs vega20_ppt_funcs = {
> .alloc_dpm_context = vega20_allocate_dpm_context,
> .store_powerplay_table = vega20_store_powerplay_table, @@ -2404,6
> +2555,8 @@ static const struct pptable_funcs vega20_ppt_funcs = {
> .unforce_dpm_levels = vega20_unforce_dpm_levels,
> .upload_dpm_level = vega20_upload_dpm_level,
> .get_profiling_clk_mask = vega20_get_profiling_clk_mask,
> + .set_ppfeature_status = vega20_set_ppfeature_status,
> + .get_ppfeature_status = vega20_get_ppfeature_status,
> };
>
> void vega20_set_ppt_funcs(struct smu_context *smu) diff --git
> a/drivers/gpu/drm/amd/powerplay/vega20_ppt.h
> b/drivers/gpu/drm/amd/powerplay/vega20_ppt.h
> index 5a0d2af63173..87f3a8303645 100644
> --- a/drivers/gpu/drm/amd/powerplay/vega20_ppt.h
> +++ b/drivers/gpu/drm/amd/powerplay/vega20_ppt.h
> @@ -36,6 +36,50 @@
> #define AVFS_CURVE 0
> #define OD8_HOTCURVE_TEMPERATURE 85
>
> +#define SMU_FEATURES_LOW_MASK 0x00000000FFFFFFFF
> +#define SMU_FEATURES_LOW_SHIFT 0
> +#define SMU_FEATURES_HIGH_MASK 0xFFFFFFFF00000000
> +#define SMU_FEATURES_HIGH_SHIFT 32
> +
> +enum {
> + GNLD_DPM_PREFETCHER = 0,
> + GNLD_DPM_GFXCLK,
> + GNLD_DPM_UCLK,
> + GNLD_DPM_SOCCLK,
> + GNLD_DPM_UVD,
> + GNLD_DPM_VCE,
> + GNLD_ULV,
> + GNLD_DPM_MP0CLK,
> + GNLD_DPM_LINK,
> + GNLD_DPM_DCEFCLK,
> + GNLD_DS_GFXCLK,
> + GNLD_DS_SOCCLK,
> + GNLD_DS_LCLK,
> + GNLD_PPT,
> + GNLD_TDC,
> + GNLD_THERMAL,
> + GNLD_GFX_PER_CU_CG,
> + GNLD_RM,
> + GNLD_DS_DCEFCLK,
> + GNLD_ACDC,
> + GNLD_VR0HOT,
> + GNLD_VR1HOT,
> + GNLD_FW_CTF,
> + GNLD_LED_DISPLAY,
> + GNLD_FAN_CONTROL,
> + GNLD_DIDT,
> + GNLD_GFXOFF,
> + GNLD_CG,
> + GNLD_DPM_FCLK,
> + GNLD_DS_FCLK,
> + GNLD_DS_MP1CLK,
> + GNLD_DS_MP0CLK,
> + GNLD_XGMI,
> + GNLD_ECC,
> +
> + GNLD_FEATURES_MAX
> +};
> +
> struct vega20_dpm_level {
> bool enabled;
> uint32_t value;
> --
> 2.21.0
>
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