diff options
| author | Lijo Lazar <lijo.lazar@amd.com> | 2025-07-11 19:18:33 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-07-17 19:36:03 +0300 |
| commit | 8825dabaf67bb1517d939f28b6ba6fcf86d7f259 (patch) | |
| tree | 867be3a4200da6520a4e0bf15a87c6daebda99b3 | |
| parent | 9ffab039bcb0bbfade0e659552d2fb912347a871 (diff) | |
| download | linux-8825dabaf67bb1517d939f28b6ba6fcf86d7f259.tar.xz | |
drm/amd/pm: Use cached data for min/max clocks
If dpm tables are already populated on SMU v13.0.6 SOCs, use the cached
data. Otherwise, fetch values from firmware.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c index 68624afe7d83..f2cf333b2e40 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c @@ -881,51 +881,51 @@ static int smu_v13_0_6_get_dpm_ultimate_freq(struct smu_context *smu, enum smu_clk_type clk_type, uint32_t *min, uint32_t *max) { + struct smu_13_0_dpm_context *dpm_context = smu->smu_dpm.dpm_context; struct smu_table_context *smu_table = &smu->smu_table; struct PPTable_t *pptable = (struct PPTable_t *)smu_table->driver_pptable; - uint32_t clock_limit = 0, param; + struct smu_13_0_dpm_table *dpm_table; + uint32_t min_clk, max_clk, param; int ret = 0, clk_id = 0; - if (!smu_cmn_clk_dpm_is_enabled(smu, clk_type)) { + /* Use dpm tables, if data is already fetched */ + if (pptable->Init) { switch (clk_type) { case SMU_MCLK: case SMU_UCLK: - if (pptable->Init) - clock_limit = pptable->UclkFrequencyTable[0]; + dpm_table = &dpm_context->dpm_tables.uclk_table; break; case SMU_GFXCLK: case SMU_SCLK: - if (pptable->Init) - clock_limit = pptable->MinGfxclkFrequency; + dpm_table = &dpm_context->dpm_tables.gfx_table; break; case SMU_SOCCLK: - if (pptable->Init) - clock_limit = pptable->SocclkFrequencyTable[0]; + dpm_table = &dpm_context->dpm_tables.soc_table; break; case SMU_FCLK: - if (pptable->Init) - clock_limit = pptable->FclkFrequencyTable[0]; + dpm_table = &dpm_context->dpm_tables.fclk_table; break; case SMU_VCLK: - if (pptable->Init) - clock_limit = pptable->VclkFrequencyTable[0]; + dpm_table = &dpm_context->dpm_tables.vclk_table; break; case SMU_DCLK: - if (pptable->Init) - clock_limit = pptable->DclkFrequencyTable[0]; + dpm_table = &dpm_context->dpm_tables.dclk_table; break; default: - break; + return -EINVAL; } - if (min) - *min = clock_limit; + min_clk = dpm_table->min; + max_clk = dpm_table->max; + if (min) + *min = min_clk; if (max) - *max = clock_limit; + *max = max_clk; - return 0; + if (min_clk && max_clk) + return 0; } if (!(clk_type == SMU_GFXCLK || clk_type == SMU_SCLK)) { |