drm/amd/powerplay: add power profile support for Vega10 (v2)
This implements the workload specific interface of optimized
compute power profile for Vega10.
v2: squash in fix (Tom)
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
index 2614af2..1c5d0a9 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
@@ -2286,6 +2286,34 @@ static int vega10_avfs_enable(struct pp_hwmgr *hwmgr, bool enable)
return 0;
}
+static int vega10_save_default_power_profile(struct pp_hwmgr *hwmgr)
+{
+ struct vega10_hwmgr *data = (struct vega10_hwmgr *)(hwmgr->backend);
+ struct vega10_single_dpm_table *dpm_table = &(data->dpm_table.gfx_table);
+ uint32_t min_level;
+
+ hwmgr->default_gfx_power_profile.type = AMD_PP_GFX_PROFILE;
+ hwmgr->default_compute_power_profile.type = AMD_PP_COMPUTE_PROFILE;
+
+ /* Optimize compute power profile: Use only highest
+ * 2 power levels (if more than 2 are available)
+ */
+ if (dpm_table->count > 2)
+ min_level = dpm_table->count - 2;
+ else if (dpm_table->count == 2)
+ min_level = 1;
+ else
+ min_level = 0;
+
+ hwmgr->default_compute_power_profile.min_sclk =
+ dpm_table->dpm_levels[min_level].value;
+
+ hwmgr->gfx_power_profile = hwmgr->default_gfx_power_profile;
+ hwmgr->compute_power_profile = hwmgr->default_compute_power_profile;
+
+ return 0;
+}
+
/**
* Initializes the SMC table and uploads it
*
@@ -2420,6 +2448,8 @@ static int vega10_init_smc_table(struct pp_hwmgr *hwmgr)
PP_ASSERT_WITH_CODE(!result, "Attempt to enable AVFS feature Failed!",
return result);
+ vega10_save_default_power_profile(hwmgr);
+
return 0;
}
@@ -4483,6 +4513,67 @@ static int vega10_power_off_asic(struct pp_hwmgr *hwmgr)
return result;
}
+static void vega10_find_min_clock_index(struct pp_hwmgr *hwmgr,
+ uint32_t *sclk_idx, uint32_t *mclk_idx,
+ uint32_t min_sclk, uint32_t min_mclk)
+{
+ struct vega10_hwmgr *data = (struct vega10_hwmgr *)(hwmgr->backend);
+ struct vega10_dpm_table *dpm_table = &(data->dpm_table);
+ uint32_t i;
+
+ for (i = 0; i < dpm_table->gfx_table.count; i++) {
+ if (dpm_table->gfx_table.dpm_levels[i].enabled &&
+ dpm_table->gfx_table.dpm_levels[i].value >= min_sclk) {
+ *sclk_idx = i;
+ break;
+ }
+ }
+
+ for (i = 0; i < dpm_table->mem_table.count; i++) {
+ if (dpm_table->mem_table.dpm_levels[i].enabled &&
+ dpm_table->mem_table.dpm_levels[i].value >= min_mclk) {
+ *mclk_idx = i;
+ break;
+ }
+ }
+}
+
+static int vega10_set_power_profile_state(struct pp_hwmgr *hwmgr,
+ struct amd_pp_profile *request)
+{
+ struct vega10_hwmgr *data = (struct vega10_hwmgr *)(hwmgr->backend);
+ uint32_t sclk_idx = 0, mclk_idx = 0;
+
+ if (hwmgr->dpm_level != AMD_DPM_FORCED_LEVEL_AUTO)
+ return -EINVAL;
+
+ vega10_find_min_clock_index(hwmgr, &sclk_idx, &mclk_idx,
+ request->min_sclk, request->min_mclk);
+
+ if (sclk_idx) {
+ if (!data->registry_data.sclk_dpm_key_disabled)
+ PP_ASSERT_WITH_CODE(
+ !smum_send_msg_to_smc_with_parameter(
+ hwmgr->smumgr,
+ PPSMC_MSG_SetSoftMinGfxclkByIndex,
+ sclk_idx),
+ "Failed to set soft min sclk index!",
+ return -EINVAL);
+ }
+
+ if (mclk_idx) {
+ if (!data->registry_data.mclk_dpm_key_disabled)
+ PP_ASSERT_WITH_CODE(
+ !smum_send_msg_to_smc_with_parameter(
+ hwmgr->smumgr,
+ PPSMC_MSG_SetSoftMinUclkByIndex,
+ mclk_idx),
+ "Failed to set soft min mclk index!",
+ return -EINVAL);
+ }
+
+ return 0;
+}
static const struct pp_hwmgr_func vega10_hwmgr_funcs = {
.backend_init = vega10_hwmgr_backend_init,
@@ -4531,6 +4622,7 @@ static const struct pp_hwmgr_func vega10_hwmgr_funcs = {
vega10_check_smc_update_required_for_display_configuration,
.power_off_asic = vega10_power_off_asic,
.disable_smc_firmware_ctf = vega10_thermal_disable_alert,
+ .set_power_profile_state = vega10_set_power_profile_state,
};
int vega10_hwmgr_init(struct pp_hwmgr *hwmgr)