[PATCH 1/3] drm/amd/pm: fix vclk setting failed for SMU v13.0.5
Tim Huang
Tim.Huang at amd.com
Fri Jun 9 10:44:25 UTC 2023
PMFW use the left-shifted 16 bits argument to set the VCLK
DPM frequency for SMU v13.0.5.
Signed-off-by: Tim Huang <Tim.Huang at amd.com>
---
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_5_ppt.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_5_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_5_ppt.c
index 7c3ac535f68a..725c791ad3fc 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_5_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_5_ppt.c
@@ -831,6 +831,8 @@ static int smu_v13_0_5_set_soft_freq_limited_range(struct smu_context *smu,
uint32_t max)
{
enum smu_message_type msg_set_min, msg_set_max;
+ uint32_t min_clk = min;
+ uint32_t max_clk = max;
int ret = 0;
if (!smu_v13_0_5_clk_dpm_is_enabled(smu, clk_type))
@@ -851,11 +853,16 @@ static int smu_v13_0_5_set_soft_freq_limited_range(struct smu_context *smu,
return -EINVAL;
}
- ret = smu_cmn_send_smc_msg_with_param(smu, msg_set_min, min, NULL);
+ if (clk_type == SMU_VCLK) {
+ min_clk = min << SMU_13_VCLK_SHIFT;
+ max_clk = max << SMU_13_VCLK_SHIFT;
+ }
+
+ ret = smu_cmn_send_smc_msg_with_param(smu, msg_set_min, min_clk, NULL);
if (ret)
goto out;
- ret = smu_cmn_send_smc_msg_with_param(smu, msg_set_max, max, NULL);
+ ret = smu_cmn_send_smc_msg_with_param(smu, msg_set_max, max_clk, NULL);
if (ret)
goto out;
--
2.34.1
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