diff options
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/smu_v12_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/smu_v12_0.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/smu_v12_0.c b/drivers/gpu/drm/amd/powerplay/smu_v12_0.c index 0f5d08ae71ae..9d2280ca1f4b 100644 --- a/drivers/gpu/drm/amd/powerplay/smu_v12_0.c +++ b/drivers/gpu/drm/amd/powerplay/smu_v12_0.c @@ -319,6 +319,67 @@ static int smu_v12_0_populate_smc_tables(struct smu_context *smu) return smu_update_table(smu, SMU_TABLE_DPMCLOCKS, 0, smu_table->clocks_table, false); } +static int smu_v12_0_get_dpm_ultimate_freq(struct smu_context *smu, enum smu_clk_type clk_type, + uint32_t *min, uint32_t *max) +{ + int ret = 0; + + mutex_lock(&smu->mutex); + + if (max) { + switch (clk_type) { + case SMU_GFXCLK: + case SMU_SCLK: + ret = smu_send_smc_msg(smu, SMU_MSG_GetMaxGfxclkFrequency); + if (ret) { + pr_err("Attempt to get max GX frequency from SMC Failed !\n"); + goto failed; + } + ret = smu_read_smc_arg(smu, max); + if (ret) + goto failed; + break; + case SMU_UCLK: + ret = smu_get_dpm_uclk_limited(smu, max, true); + if (ret) + goto failed; + break; + default: + ret = -EINVAL; + goto failed; + + } + } + + if (min) { + switch (clk_type) { + case SMU_GFXCLK: + case SMU_SCLK: + ret = smu_send_smc_msg(smu, SMU_MSG_GetMinGfxclkFrequency); + if (ret) { + pr_err("Attempt to get min GX frequency from SMC Failed !\n"); + goto failed; + } + ret = smu_read_smc_arg(smu, min); + if (ret) + goto failed; + break; + case SMU_UCLK: + ret = smu_get_dpm_uclk_limited(smu, min, false); + if (ret) + goto failed; + break; + default: + ret = -EINVAL; + goto failed; + } + + } +failed: + mutex_unlock(&smu->mutex); + return ret; +} + static const struct smu_funcs smu_v12_0_funcs = { .check_fw_status = smu_v12_0_check_fw_status, .check_fw_version = smu_v12_0_check_fw_version, @@ -332,6 +393,7 @@ static const struct smu_funcs smu_v12_0_funcs = { .init_smc_tables = smu_v12_0_init_smc_tables, .fini_smc_tables = smu_v12_0_fini_smc_tables, .populate_smc_tables = smu_v12_0_populate_smc_tables, + .get_dpm_ultimate_freq = smu_v12_0_get_dpm_ultimate_freq, }; void smu_v12_0_set_smu_funcs(struct smu_context *smu) |