[PATCH 1/3] drm/amd/pm: fix vclk setting failed for SMU v13.0.4
Tim Huang
Tim.Huang at amd.com
Wed Jun 7 08:02:28 UTC 2023
PMFW use the left-shifted 16 bits argument to set the VCLK
DPM frequency for SMU v13.0.4.
Signed-off-by: Tim Huang <Tim.Huang at amd.com>
---
drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h | 2 ++
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c | 11 +++++++++--
2 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h
index 5a99a091965e..6a0ac0bbaace 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h
@@ -51,6 +51,8 @@
#define CTF_OFFSET_HOTSPOT 5
#define CTF_OFFSET_MEM 5
+#define SMU_13_VCLK_SHIFT 16
+
extern const int pmfw_decoded_link_speed[5];
extern const int pmfw_decoded_link_width[7];
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c
index 46a8a366f287..999b07db862e 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c
@@ -831,6 +831,8 @@ static int smu_v13_0_4_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_4_clk_dpm_is_enabled(smu, clk_type))
@@ -859,12 +861,17 @@ static int smu_v13_0_4_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)
return ret;
return smu_cmn_send_smc_msg_with_param(smu, msg_set_max,
- max, NULL);
+ max_clk, NULL);
}
static int smu_v13_0_4_force_clk_levels(struct smu_context *smu,
--
2.34.1
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