Some clients(e.g., kfd) query sclk/mclk through this function. Because cyan skillfish don't support dpm. For sclk, set min/max to CYAN_SKILLFISH_SCLK_MIN/CYAN_SKILLFISH_SCLK_MAX(to maintain the existing logic).For others, set both min and max to current value.
Before this patch: # /opt/rocm/opencl/bin/clinfo Max clock frequency: 0Mhz After this patch: # /opt/rocm/opencl/bin/clinfo Max clock frequency: 2000Mhz v2: - Maintain the existing min/max sclk logic.(Lijo) Signed-off-by: Lang Yu <[email protected]> --- .../amd/pm/swsmu/smu11/cyan_skillfish_ppt.c | 35 +++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/cyan_skillfish_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/cyan_skillfish_ppt.c index 2238ee19c222..1b58fea47181 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/cyan_skillfish_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/cyan_skillfish_ppt.c @@ -552,6 +552,40 @@ static int cyan_skillfish_od_edit_dpm_table(struct smu_context *smu, return ret; } +static int cyan_skillfish_get_dpm_ultimate_freq(struct smu_context *smu, + enum smu_clk_type clk_type, + uint32_t *min, + uint32_t *max) +{ + int ret = 0; + + if (min) { + switch (clk_type) { + case SMU_GFXCLK: + case SMU_SCLK: + *min = CYAN_SKILLFISH_SCLK_MIN; + break; + default: + ret = cyan_skillfish_get_current_clk_freq(smu, clk_type, min); + break; + } + } + + if (max) { + switch (clk_type) { + case SMU_GFXCLK: + case SMU_SCLK: + *max = CYAN_SKILLFISH_SCLK_MAX; + break; + default: + ret = cyan_skillfish_get_current_clk_freq(smu, clk_type, max); + break; + } + } + + return ret; +} + static const struct pptable_funcs cyan_skillfish_ppt_funcs = { .check_fw_status = smu_v11_0_check_fw_status, @@ -565,6 +599,7 @@ static const struct pptable_funcs cyan_skillfish_ppt_funcs = { .is_dpm_running = cyan_skillfish_is_dpm_running, .get_gpu_metrics = cyan_skillfish_get_gpu_metrics, .od_edit_dpm_table = cyan_skillfish_od_edit_dpm_table, + .get_dpm_ultimate_freq = cyan_skillfish_get_dpm_ultimate_freq, .register_irq_handler = smu_v11_0_register_irq_handler, .notify_memory_pool_location = smu_v11_0_notify_memory_pool_location, .send_smc_msg_with_param = smu_cmn_send_smc_msg_with_param, -- 2.25.1
