From 8825dabaf67bb1517d939f28b6ba6fcf86d7f259 Mon Sep 17 00:00:00 2001 From: Lijo Lazar Date: Fri, 11 Jul 2025 21:48:33 +0530 Subject: [PATCH] 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 Reviewed-by: Asad Kamal Signed-off-by: Alex Deucher --- .../drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c | 38 +++++++++---------- 1 file 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)) { -- 2.25.1