diff options
| -rw-r--r-- | drivers/gpu/drm/amd/pm/inc/smu_types.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c | 37 |
3 files changed, 41 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/pm/inc/smu_types.h b/drivers/gpu/drm/amd/pm/inc/smu_types.h index 720d15612fe1..b2d0d8fcf429 100644 --- a/drivers/gpu/drm/amd/pm/inc/smu_types.h +++ b/drivers/gpu/drm/amd/pm/inc/smu_types.h @@ -211,6 +211,7 @@ __SMU_DUMMY_MAP(SetGpoFeaturePMask), \ __SMU_DUMMY_MAP(DisallowGpo), \ __SMU_DUMMY_MAP(Enable2ndUSB20Port), \ + __SMU_DUMMY_MAP(RequestActiveWgp), \ #undef __SMU_DUMMY_MAP #define __SMU_DUMMY_MAP(type) SMU_MSG_##type diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c index 8b867a6d52b5..d921986448c5 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c @@ -478,9 +478,6 @@ static int smu_late_init(void *handle) smu_set_fine_grain_gfx_freq_parameters(smu); - if (adev->asic_type == CHIP_VANGOGH) - return 0; - if (!smu->pm_enabled) return 0; @@ -490,6 +487,9 @@ static int smu_late_init(void *handle) return ret; } + if (adev->asic_type == CHIP_VANGOGH) + return 0; + ret = smu_set_default_od_settings(smu); if (ret) { dev_err(adev->dev, "Failed to setup default OD settings!\n"); diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c index 8cb4fcee9a2c..48d4d4d4d26a 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c @@ -31,6 +31,9 @@ #include "smu_v11_5_ppsmc.h" #include "smu_v11_5_pmfw.h" #include "smu_cmn.h" +#include "soc15_common.h" +#include "asic_reg/gc/gc_10_3_0_offset.h" +#include "asic_reg/gc/gc_10_3_0_sh_mask.h" /* * DO NOT use these for err/warn/info/debug messages. @@ -118,6 +121,7 @@ static struct cmn2asic_msg_mapping vangogh_message_map[SMU_MSG_MAX_COUNT] = { MSG_MAP(StopDramLogging, PPSMC_MSG_StopDramLogging, 0), MSG_MAP(SetSoftMinCclk, PPSMC_MSG_SetSoftMinCclk, 0), MSG_MAP(SetSoftMaxCclk, PPSMC_MSG_SetSoftMaxCclk, 0), + MSG_MAP(RequestActiveWgp, PPSMC_MSG_RequestActiveWgp, 0), }; static struct cmn2asic_mapping vangogh_feature_mask_map[SMU_FEATURE_COUNT] = { @@ -733,6 +737,38 @@ static int vangogh_system_features_control(struct smu_context *smu, bool en) return 0; } +static int vangogh_post_smu_init(struct smu_context *smu) +{ + struct amdgpu_device *adev = smu->adev; + uint32_t tmp; + uint8_t aon_bits = 0; + /* Two CUs in one WGP */ + uint32_t req_active_wgps = adev->gfx.cu_info.number/2; + uint32_t total_cu = adev->gfx.config.max_cu_per_sh * + adev->gfx.config.max_sh_per_se * adev->gfx.config.max_shader_engines; + + /* if all CUs are active, no need to power off any WGPs */ + if (total_cu == adev->gfx.cu_info.number) + return 0; + + /* + * Calculate the total bits number of always on WGPs for all SA/SEs in + * RLC_PG_ALWAYS_ON_WGP_MASK. + */ + tmp = RREG32_KIQ(SOC15_REG_OFFSET(GC, 0, mmRLC_PG_ALWAYS_ON_WGP_MASK)); + tmp &= RLC_PG_ALWAYS_ON_WGP_MASK__AON_WGP_MASK_MASK; + + aon_bits = hweight32(tmp) * adev->gfx.config.max_sh_per_se * adev->gfx.config.max_shader_engines; + + /* Do not request any WGPs less than set in the AON_WGP_MASK */ + if (aon_bits > req_active_wgps) { + dev_info(adev->dev, "Number of always on WGPs greater than active WGPs: WGP power save not requested.\n"); + return 0; + } else { + return smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_RequestActiveWgp, req_active_wgps, NULL); + } +} + static const struct pptable_funcs vangogh_ppt_funcs = { .check_fw_status = smu_v11_0_check_fw_status, @@ -761,6 +797,7 @@ static const struct pptable_funcs vangogh_ppt_funcs = { .set_default_dpm_table = vangogh_set_default_dpm_tables, .set_fine_grain_gfx_freq_parameters = vangogh_set_fine_grain_gfx_freq_parameters, .system_features_control = vangogh_system_features_control, + .post_init = vangogh_post_smu_init, }; void vangogh_set_ppt_funcs(struct smu_context *smu) |