implement get_profiling_clk_mask and force_clk_levels for forcing dpm clk to limit value.
Signed-off-by: Prike Liang <Prike.Liang@xxxxxxx>
---
drivers/gpu/drm/amd/powerplay/renoir_ppt.c | 91 ++++++++++++++++++++++++++++++
1 file changed, 91 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
index dc945b8..4f2b750 100644
--- a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
@@ -393,6 +393,95 @@ static int renoir_get_workload_type(struct smu_context *smu, uint32_t profile)
return pplib_workload;
}
+static int renoir_get_profiling_clk_mask(struct smu_context *smu,
+ enum amd_dpm_forced_level level,
+ uint32_t *sclk_mask,
+ uint32_t *mclk_mask,
+ uint32_t *soc_mask)
+{
+
+ if (level == AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK) {
+ if (sclk_mask)
+ *sclk_mask = 0;
+ } else if (level == AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK) {
+ if (mclk_mask)
+ *mclk_mask = 0;
+ } else if (level == AMD_DPM_FORCED_LEVEL_PROFILE_PEAK) {
+ if(sclk_mask)
+ /* The sclk as gfxclk and has three level about max/min/current */
+ *sclk_mask = 3 - 1;
+
+ if(mclk_mask)
+ *mclk_mask = NUM_MEMCLK_DPM_LEVELS - 1;
+
+ if(soc_mask)
+ *soc_mask = NUM_SOCCLK_DPM_LEVELS - 1;
+ }
+
+ return 0;
+}
+
+static int renoir_force_clk_levels(struct smu_context *smu,
+ enum smu_clk_type clk_type, uint32_t mask)
+{
+
+ int ret = 0 ;
+ uint32_t soft_min_level = 0, soft_max_level = 0, min_freq = 0, max_freq = 0;
+ DpmClocks_t *clk_table = smu->smu_table.clocks_table;
+
+ soft_min_level = mask ? (ffs(mask) - 1) : 0;
+ soft_max_level = mask ? (fls(mask) - 1) : 0;
+
+ switch (clk_type) {
+ case SMU_GFXCLK:
+ case SMU_SCLK:
+ if (soft_min_level > 2 || soft_max_level > 2) {
+ pr_info("Currently sclk only support 3 levels on APU\n");
+ return -EINVAL;
+ }
+
+ ret = smu_get_dpm_freq_range(smu, SMU_GFXCLK, &min_freq, &max_freq);
+ if (ret)
+ return ret;
+ ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetSoftMaxGfxClk,
+ soft_max_level == 0 ? min_freq :
+ soft_max_level == 1 ? RENOIR_UMD_PSTATE_GFXCLK : max_freq);
+ if (ret)
+ return ret;
+ ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetHardMinGfxClk,
+ soft_min_level == 2 ? max_freq :
+ soft_min_level == 1 ? RENOIR_UMD_PSTATE_GFXCLK : min_freq);
+ if (ret)
+ return ret;
+ break;
+ case SMU_SOCCLK:
+ GET_DPM_CUR_FREQ(clk_table, clk_type, soft_min_level, min_freq);
+ GET_DPM_CUR_FREQ(clk_table, clk_type, soft_max_level, max_freq);
+ ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetSoftMaxSocclkByFreq, max_freq);
+ if (ret)
+ return ret;
+ ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetHardMinSocclkByFreq, min_freq);
+ if (ret)
+ return ret;
+ break;
+ case SMU_MCLK:
+ case SMU_FCLK:
+ GET_DPM_CUR_FREQ(clk_table, clk_type, soft_min_level, min_freq);
+ GET_DPM_CUR_FREQ(clk_table, clk_type, soft_max_level, max_freq);
+ ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetSoftMaxFclkByFreq, max_freq);
+ if (ret)
+ return ret;
+ ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetHardMinFclkByFreq, min_freq);
+ if (ret)
+ return ret;
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
+
static const struct pptable_funcs renoir_ppt_funcs = {
.get_smu_msg_index = renoir_get_smu_msg_index,
.get_smu_table_index = renoir_get_smu_table_index,
@@ -405,6 +494,8 @@ static const struct pptable_funcs renoir_ppt_funcs = {
.force_dpm_limit_value = renoir_force_dpm_limit_value,
.unforce_dpm_levels = renoir_unforce_dpm_levels,
.get_workload_type = renoir_get_workload_type,
+ .get_profiling_clk_mask = renoir_get_profiling_clk_mask,
+ .force_clk_levels = renoir_force_clk_levels,
};
void renoir_set_ppt_funcs(struct smu_context *smu)
--
2.7.4
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