diff options
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/smu_v11_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 115 |
1 files changed, 106 insertions, 9 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c index 632a20587c8b..95c7c4dae523 100644 --- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c +++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c @@ -40,6 +40,7 @@ #include "asic_reg/mp/mp_11_0_offset.h" #include "asic_reg/mp/mp_11_0_sh_mask.h" #include "asic_reg/nbio/nbio_7_4_offset.h" +#include "asic_reg/nbio/nbio_7_4_sh_mask.h" #include "asic_reg/smuio/smuio_11_0_0_offset.h" #include "asic_reg/smuio/smuio_11_0_0_sh_mask.h" @@ -67,9 +68,9 @@ static int smu_v11_0_read_arg(struct smu_context *smu, uint32_t *arg) static int smu_v11_0_wait_for_response(struct smu_context *smu) { struct amdgpu_device *adev = smu->adev; - uint32_t cur_value, i; + uint32_t cur_value, i, timeout = adev->usec_timeout * 10; - for (i = 0; i < adev->usec_timeout; i++) { + for (i = 0; i < timeout; i++) { cur_value = RREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_90); if ((cur_value & MP1_C2PMSG_90__CONTENT_MASK) != 0) break; @@ -77,7 +78,7 @@ static int smu_v11_0_wait_for_response(struct smu_context *smu) } /* timeout means wrong logic */ - if (i == adev->usec_timeout) + if (i == timeout) return -ETIME; return RREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_90) == 0x1 ? 0 : -EIO; @@ -260,14 +261,20 @@ static int smu_v11_0_check_fw_version(struct smu_context *smu) smu_minor = (smu_version >> 8) & 0xff; smu_debug = (smu_version >> 0) & 0xff; - + /* + * 1. if_version mismatch is not critical as our fw is designed + * to be backward compatible. + * 2. New fw usually brings some optimizations. But that's visible + * only on the paired driver. + * Considering above, we just leave user a warning message instead + * of halt driver loading. + */ if (if_version != smu->smc_if_version) { pr_info("smu driver if version = 0x%08x, smu fw if version = 0x%08x, " "smu fw version = 0x%08x (%d.%d.%d)\n", smu->smc_if_version, if_version, smu_version, smu_major, smu_minor, smu_debug); - pr_err("SMU driver if version not matched\n"); - ret = -EINVAL; + pr_warn("SMU driver if version not matched\n"); } return ret; @@ -702,7 +709,7 @@ static int smu_v11_0_write_pptable(struct smu_context *smu) struct smu_table_context *table_context = &smu->smu_table; int ret = 0; - ret = smu_update_table(smu, SMU_TABLE_PPTABLE, + ret = smu_update_table(smu, SMU_TABLE_PPTABLE, 0, table_context->driver_pptable, true); return ret; @@ -721,7 +728,7 @@ static int smu_v11_0_write_watermarks_table(struct smu_context *smu) if (!table->cpu_addr) return -EINVAL; - ret = smu_update_table(smu, SMU_TABLE_WATERMARKS, table->cpu_addr, + ret = smu_update_table(smu, SMU_TABLE_WATERMARKS, 0, table->cpu_addr, true); return ret; @@ -1088,7 +1095,7 @@ static int smu_v11_0_get_current_clk_freq(struct smu_context *smu, uint32_t *value) { int ret = 0; - uint32_t freq; + uint32_t freq = 0; if (clk_id >= SMU_CLK_COUNT || !value) return -EINVAL; @@ -1642,6 +1649,92 @@ static int smu_v11_0_set_azalia_d3_pme(struct smu_context *smu) return ret; } +static int smu_v11_0_baco_set_armd3_sequence(struct smu_context *smu, enum smu_v11_0_baco_seq baco_seq) +{ + return smu_send_smc_msg_with_param(smu, SMU_MSG_ArmD3, baco_seq); +} + +static bool smu_v11_0_baco_is_support(struct smu_context *smu) +{ + struct amdgpu_device *adev = smu->adev; + struct smu_baco_context *smu_baco = &smu->smu_baco; + uint32_t val; + bool baco_support; + + mutex_lock(&smu_baco->mutex); + baco_support = smu_baco->platform_support; + mutex_unlock(&smu_baco->mutex); + + if (!baco_support) + return false; + + if (!smu_feature_is_enabled(smu, SMU_FEATURE_BACO_BIT)) + return false; + + val = RREG32_SOC15(NBIO, 0, mmRCC_BIF_STRAP0); + if (val & RCC_BIF_STRAP0__STRAP_PX_CAPABLE_MASK) + return true; + + return false; +} + +static enum smu_baco_state smu_v11_0_baco_get_state(struct smu_context *smu) +{ + struct smu_baco_context *smu_baco = &smu->smu_baco; + enum smu_baco_state baco_state = SMU_BACO_STATE_EXIT; + + mutex_lock(&smu_baco->mutex); + baco_state = smu_baco->state; + mutex_unlock(&smu_baco->mutex); + + return baco_state; +} + +static int smu_v11_0_baco_set_state(struct smu_context *smu, enum smu_baco_state state) +{ + + struct smu_baco_context *smu_baco = &smu->smu_baco; + int ret = 0; + + if (smu_v11_0_baco_get_state(smu) == state) + return 0; + + mutex_lock(&smu_baco->mutex); + + if (state == SMU_BACO_STATE_ENTER) + ret = smu_send_smc_msg_with_param(smu, SMU_MSG_EnterBaco, BACO_SEQ_BACO); + else + ret = smu_send_smc_msg(smu, SMU_MSG_ExitBaco); + if (ret) + goto out; + + smu_baco->state = state; +out: + mutex_unlock(&smu_baco->mutex); + return ret; +} + +static int smu_v11_0_baco_reset(struct smu_context *smu) +{ + int ret = 0; + + ret = smu_v11_0_baco_set_armd3_sequence(smu, BACO_SEQ_BACO); + if (ret) + return ret; + + ret = smu_v11_0_baco_set_state(smu, SMU_BACO_STATE_ENTER); + if (ret) + return ret; + + msleep(10); + + ret = smu_v11_0_baco_set_state(smu, SMU_BACO_STATE_EXIT); + if (ret) + return ret; + + return ret; +} + static const struct smu_funcs smu_v11_0_funcs = { .init_microcode = smu_v11_0_init_microcode, .load_microcode = smu_v11_0_load_microcode, @@ -1690,6 +1783,10 @@ static const struct smu_funcs smu_v11_0_funcs = { .register_irq_handler = smu_v11_0_register_irq_handler, .set_azalia_d3_pme = smu_v11_0_set_azalia_d3_pme, .get_max_sustainable_clocks_by_dc = smu_v11_0_get_max_sustainable_clocks_by_dc, + .baco_is_support = smu_v11_0_baco_is_support, + .baco_get_state = smu_v11_0_baco_get_state, + .baco_set_state = smu_v11_0_baco_set_state, + .baco_reset = smu_v11_0_baco_reset, }; void smu_v11_0_set_smu_funcs(struct smu_context *smu) |