[PATCH 2/4] drm/amd/pm: Add support to set min ISP clocks
Pratap Nirujogi
pratap.nirujogi at amd.com
Wed Jun 18 22:17:23 UTC 2025
Add support to set ISP clocks for SMU v14.0.0. ISP driver
uses amdgpu_dpm_set_soft_freq_range() API to set clocks via
SMU interface than communicating with PMFW directly.
amdgpu_dpm_set_soft_freq_range() is updated to take in any
pp_clock_type than limiting to support only PP_SCLK to allow
ISP and other driver modules to set the min/max clocks. Any
clock specific restrictions are expected to be taken care in
SOC specific SMU implementations instead of generic amdgpu_dpm
and amdgpu_smu interfaces.
Signed-off-by: Pratap Nirujogi <pratap.nirujogi at amd.com>
---
.../gpu/drm/amd/include/kgd_pp_interface.h | 2 +
drivers/gpu/drm/amd/pm/amdgpu_dpm.c | 14 ++---
drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 14 ++++-
drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h | 2 +-
drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h | 2 +
.../drm/amd/pm/swsmu/smu14/smu_v14_0_0_ppt.c | 51 ++++++++++++-------
6 files changed, 56 insertions(+), 29 deletions(-)
diff --git a/drivers/gpu/drm/amd/include/kgd_pp_interface.h b/drivers/gpu/drm/amd/include/kgd_pp_interface.h
index f4d914dc731f..e2b1ea7467b0 100644
--- a/drivers/gpu/drm/amd/include/kgd_pp_interface.h
+++ b/drivers/gpu/drm/amd/include/kgd_pp_interface.h
@@ -108,6 +108,8 @@ enum pp_clock_type {
PP_VCLK1,
PP_DCLK,
PP_DCLK1,
+ PP_ISPICLK,
+ PP_ISPXCLK,
OD_SCLK,
OD_MCLK,
OD_VDDC_CURVE,
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
index 95f1fff442cb..71d986dd7a6e 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
@@ -853,22 +853,16 @@ int amdgpu_dpm_set_soft_freq_range(struct amdgpu_device *adev,
uint32_t max)
{
struct smu_context *smu = adev->powerplay.pp_handle;
- int ret = 0;
-
- if (type != PP_SCLK)
- return -EINVAL;
if (!is_support_sw_smu(adev))
return -EOPNOTSUPP;
- mutex_lock(&adev->pm.mutex);
- ret = smu_set_soft_freq_range(smu,
- SMU_SCLK,
+ guard(mutex)(&adev->pm.mutex);
+
+ return smu_set_soft_freq_range(smu,
+ type,
min,
max);
- mutex_unlock(&adev->pm.mutex);
-
- return ret;
}
int amdgpu_dpm_write_watermarks_table(struct amdgpu_device *adev)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index 97572fe26ddf..756afe78a6e5 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -76,6 +76,7 @@ static void smu_power_profile_mode_get(struct smu_context *smu,
enum PP_SMC_POWER_PROFILE profile_mode);
static void smu_power_profile_mode_put(struct smu_context *smu,
enum PP_SMC_POWER_PROFILE profile_mode);
+static enum smu_clk_type smu_convert_to_smuclk(enum pp_clock_type type);
static int smu_sys_get_pp_feature_mask(void *handle,
char *buf)
@@ -134,12 +135,17 @@ int smu_get_status_gfxoff(struct smu_context *smu, uint32_t *value)
}
int smu_set_soft_freq_range(struct smu_context *smu,
- enum smu_clk_type clk_type,
+ enum pp_clock_type type,
uint32_t min,
uint32_t max)
{
+ enum smu_clk_type clk_type;
int ret = 0;
+ clk_type = smu_convert_to_smuclk(type);
+ if (clk_type == SMU_CLK_COUNT)
+ return -EINVAL;
+
if (smu->ppt_funcs->set_soft_freq_limited_range)
ret = smu->ppt_funcs->set_soft_freq_limited_range(smu,
clk_type,
@@ -2980,6 +2986,12 @@ static enum smu_clk_type smu_convert_to_smuclk(enum pp_clock_type type)
clk_type = SMU_DCLK; break;
case PP_DCLK1:
clk_type = SMU_DCLK1; break;
+ case PP_ISPICLK:
+ clk_type = SMU_ISPICLK;
+ break;
+ case PP_ISPXCLK:
+ clk_type = SMU_ISPXCLK;
+ break;
case OD_SCLK:
clk_type = SMU_OD_SCLK; break;
case OD_MCLK:
diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
index 41d4a7f93660..b52e194397e2 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
@@ -1642,7 +1642,7 @@ int smu_write_watermarks_table(struct smu_context *smu);
int smu_get_dpm_freq_range(struct smu_context *smu, enum smu_clk_type clk_type,
uint32_t *min, uint32_t *max);
-int smu_set_soft_freq_range(struct smu_context *smu, enum smu_clk_type clk_type,
+int smu_set_soft_freq_range(struct smu_context *smu, enum pp_clock_type clk_type,
uint32_t min, uint32_t max);
int smu_set_gfx_power_up_by_imu(struct smu_context *smu);
diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h
index eefdaa0b5df6..d7a9e41820fa 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h
@@ -305,6 +305,8 @@ enum smu_clk_type {
SMU_MCLK,
SMU_PCIE,
SMU_LCLK,
+ SMU_ISPICLK,
+ SMU_ISPXCLK,
SMU_OD_CCLK,
SMU_OD_SCLK,
SMU_OD_MCLK,
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_0_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_0_ppt.c
index fe4735d5ebd4..fe00c84b1cc6 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_0_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_0_ppt.c
@@ -1207,11 +1207,13 @@ static int smu_v14_0_0_print_clk_levels(struct smu_context *smu,
static int smu_v14_0_0_set_soft_freq_limited_range(struct smu_context *smu,
enum smu_clk_type clk_type,
- uint32_t min,
- uint32_t max)
+ u32 min,
+ u32 max,
+ bool __always_unused automatic)
{
- enum smu_message_type msg_set_min, msg_set_max;
- int ret = 0;
+ enum smu_message_type msg_set_min = SMU_MSG_MAX_COUNT;
+ enum smu_message_type msg_set_max = SMU_MSG_MAX_COUNT;
+ int ret = -EINVAL;
if (!smu_v14_0_0_clk_dpm_is_enabled(smu, clk_type))
return -EINVAL;
@@ -1240,16 +1242,23 @@ static int smu_v14_0_0_set_soft_freq_limited_range(struct smu_context *smu,
msg_set_min = SMU_MSG_SetHardMinVcn1;
msg_set_max = SMU_MSG_SetSoftMaxVcn1;
break;
+ case SMU_ISPICLK:
+ msg_set_min = SMU_MSG_SetHardMinIspiclkByFreq;
+ break;
+ case SMU_ISPXCLK:
+ msg_set_min = SMU_MSG_SetHardMinIspxclkByFreq;
+ break;
default:
return -EINVAL;
}
- ret = smu_cmn_send_smc_msg_with_param(smu, msg_set_min, min, NULL);
- if (ret)
- return ret;
+ if (min && msg_set_min != SMU_MSG_MAX_COUNT)
+ ret = smu_cmn_send_smc_msg_with_param(smu, msg_set_min, min, NULL);
+
+ if (max && msg_set_max != SMU_MSG_MAX_COUNT)
+ ret = smu_cmn_send_smc_msg_with_param(smu, msg_set_max, max, NULL);
- return smu_cmn_send_smc_msg_with_param(smu, msg_set_max,
- max, NULL);
+ return ret;
}
static int smu_v14_0_0_force_clk_levels(struct smu_context *smu,
@@ -1278,7 +1287,7 @@ static int smu_v14_0_0_force_clk_levels(struct smu_context *smu,
if (ret)
break;
- ret = smu_v14_0_0_set_soft_freq_limited_range(smu, clk_type, min_freq, max_freq);
+ ret = smu_v14_0_0_set_soft_freq_limited_range(smu, clk_type, min_freq, max_freq, false);
break;
default:
ret = -EINVAL;
@@ -1426,7 +1435,8 @@ static int smu_v14_0_common_set_performance_level(struct smu_context *smu,
ret = smu_v14_0_0_set_soft_freq_limited_range(smu,
SMU_SCLK,
sclk_min,
- sclk_max);
+ sclk_max,
+ false);
if (ret)
return ret;
@@ -1438,7 +1448,8 @@ static int smu_v14_0_common_set_performance_level(struct smu_context *smu,
ret = smu_v14_0_0_set_soft_freq_limited_range(smu,
SMU_FCLK,
fclk_min,
- fclk_max);
+ fclk_max,
+ false);
if (ret)
return ret;
}
@@ -1447,7 +1458,8 @@ static int smu_v14_0_common_set_performance_level(struct smu_context *smu,
ret = smu_v14_0_0_set_soft_freq_limited_range(smu,
SMU_SOCCLK,
socclk_min,
- socclk_max);
+ socclk_max,
+ false);
if (ret)
return ret;
}
@@ -1456,7 +1468,8 @@ static int smu_v14_0_common_set_performance_level(struct smu_context *smu,
ret = smu_v14_0_0_set_soft_freq_limited_range(smu,
SMU_VCLK,
vclk_min,
- vclk_max);
+ vclk_max,
+ false);
if (ret)
return ret;
}
@@ -1465,7 +1478,8 @@ static int smu_v14_0_common_set_performance_level(struct smu_context *smu,
ret = smu_v14_0_0_set_soft_freq_limited_range(smu,
SMU_VCLK1,
vclk1_min,
- vclk1_max);
+ vclk1_max,
+ false);
if (ret)
return ret;
}
@@ -1474,7 +1488,8 @@ static int smu_v14_0_common_set_performance_level(struct smu_context *smu,
ret = smu_v14_0_0_set_soft_freq_limited_range(smu,
SMU_DCLK,
dclk_min,
- dclk_max);
+ dclk_max,
+ false);
if (ret)
return ret;
}
@@ -1483,7 +1498,8 @@ static int smu_v14_0_common_set_performance_level(struct smu_context *smu,
ret = smu_v14_0_0_set_soft_freq_limited_range(smu,
SMU_DCLK1,
dclk1_min,
- dclk1_max);
+ dclk1_max,
+ false);
if (ret)
return ret;
}
@@ -1670,6 +1686,7 @@ static const struct pptable_funcs smu_v14_0_0_ppt_funcs = {
.gfx_off_control = smu_v14_0_gfx_off_control,
.mode2_reset = smu_v14_0_0_mode2_reset,
.get_dpm_ultimate_freq = smu_v14_0_common_get_dpm_ultimate_freq,
+ .set_soft_freq_limited_range = smu_v14_0_0_set_soft_freq_limited_range,
.od_edit_dpm_table = smu_v14_0_od_edit_dpm_table,
.print_clk_levels = smu_v14_0_0_print_clk_levels,
.force_clk_levels = smu_v14_0_0_force_clk_levels,
--
2.43.0
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