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From a0c64c16ec52d1668637858871a0c5bbf2b6a0b0 Mon Sep 17 00:00:00 2001
From: Likun Gao <Likun.Gao@amd.com>
Date: Mon, 28 Jan 2019 19:12:10 +0800
Subject: [PATCH 1467/2940] drm/amd/powerplay: add function to get sclk and
mclk
Add function to get sclk and mclk for smu11.
Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c | 16 ++++
drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h | 10 +--
.../gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 6 ++
drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 84 +++++++++++++++++++
4 files changed, 110 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c
index 344967df3137..523b8ab6b04e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c
@@ -904,3 +904,19 @@ amdgpu_get_vce_clock_state(void *handle, u32 idx)
return NULL;
}
+
+int amdgpu_dpm_get_sclk(struct amdgpu_device *adev, bool low)
+{
+ if (is_support_sw_smu(adev))
+ return smu_get_sclk(&adev->smu, low);
+ else
+ return (adev)->powerplay.pp_funcs->get_sclk((adev)->powerplay.pp_handle, (low));
+}
+
+int amdgpu_dpm_get_mclk(struct amdgpu_device *adev, bool low)
+{
+ if (is_support_sw_smu(adev))
+ return smu_get_mclk(&adev->smu, low);
+ else
+ return (adev)->powerplay.pp_funcs->get_mclk((adev)->powerplay.pp_handle, (low));
+}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
index 5b1539e72101..2fda77fec930 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
@@ -278,12 +278,6 @@ enum amdgpu_pcie_gen {
#define amdgpu_dpm_set_fan_speed_rpm(adev, s) \
((adev)->powerplay.pp_funcs->set_fan_speed_rpm)((adev)->powerplay.pp_handle, (s))
-#define amdgpu_dpm_get_sclk(adev, l) \
- ((adev)->powerplay.pp_funcs->get_sclk((adev)->powerplay.pp_handle, (l)))
-
-#define amdgpu_dpm_get_mclk(adev, l) \
- ((adev)->powerplay.pp_funcs->get_mclk((adev)->powerplay.pp_handle, (l)))
-
#define amdgpu_dpm_force_performance_level(adev, l) \
((adev)->powerplay.pp_funcs->force_performance_level((adev)->powerplay.pp_handle, (l)))
@@ -509,4 +503,8 @@ enum amdgpu_pcie_gen amdgpu_get_pcie_gen_support(struct amdgpu_device *adev,
struct amd_vce_state*
amdgpu_get_vce_clock_state(void *handle, u32 idx);
+extern int amdgpu_dpm_get_sclk(struct amdgpu_device *adev, bool low);
+
+extern int amdgpu_dpm_get_mclk(struct amdgpu_device *adev, bool low);
+
#endif
diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
index db050978020f..d7f26e178839 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
@@ -528,6 +528,8 @@ struct smu_funcs
uint32_t value);
int (*dpm_set_uvd_enable)(struct smu_context *smu, bool enable);
int (*dpm_set_vce_enable)(struct smu_context *smu, bool enable);
+ uint32_t (*get_sclk)(struct smu_context *smu, bool low);
+ uint32_t (*get_mclk)(struct smu_context *smu, bool low);
};
#define smu_init_microcode(smu) \
@@ -693,6 +695,10 @@ struct smu_funcs
((smu)->funcs->dpm_set_uvd_enable ? (smu)->funcs->dpm_set_uvd_enable((smu), (enable)) : 0)
#define smu_dpm_set_vce_enable(smu, enable) \
((smu)->funcs->dpm_set_vce_enable ? (smu)->funcs->dpm_set_vce_enable((smu), (enable)) : 0)
+#define smu_get_sclk(smu, low) \
+ ((smu)->funcs->get_sclk ? (smu)->funcs->get_sclk((smu), (low)) : 0)
+#define smu_get_mclk(smu, low) \
+ ((smu)->funcs->get_mclk ? (smu)->funcs->get_mclk((smu), (low)) : 0)
extern int smu_get_atom_data_table(struct smu_context *smu, uint32_t table,
diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
index 3ebf89b3f815..48174df19105 100644
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -1258,6 +1258,88 @@ smu_v11_0_set_watermarks_for_clock_ranges(struct smu_context *smu, struct
return ret;
}
+static int smu_v11_0_get_clock_ranges(struct smu_context *smu,
+ uint32_t *clock,
+ PPCLK_e clock_select,
+ bool max)
+{
+ int ret;
+ *clock = 0;
+ if (max) {
+ ret = smu_send_smc_msg_with_param(smu, SMU_MSG_GetMaxDpmFreq,
+ (clock_select << 16));
+ if (ret) {
+ pr_err("[GetClockRanges] Failed to get max clock from SMC!\n");
+ return ret;
+ }
+ smu_read_smc_arg(smu, clock);
+ } else {
+ ret = smu_send_smc_msg_with_param(smu, SMU_MSG_GetMinDpmFreq,
+ (clock_select << 16));
+ if (ret) {
+ pr_err("[GetClockRanges] Failed to get min clock from SMC!\n");
+ return ret;
+ }
+ smu_read_smc_arg(smu, clock);
+ }
+
+ return 0;
+}
+
+static uint32_t smu_v11_0_dpm_get_sclk(struct smu_context *smu, bool low)
+{
+ uint32_t gfx_clk;
+ int ret;
+
+ if (!smu_feature_is_enabled(smu, FEATURE_DPM_GFXCLK_BIT)) {
+ pr_err("[GetSclks]: gfxclk dpm not enabled!\n");
+ return -EPERM;
+ }
+
+ if (low) {
+ ret = smu_v11_0_get_clock_ranges(smu, &gfx_clk, PPCLK_GFXCLK, false);
+ if (ret) {
+ pr_err("[GetSclks]: fail to get min PPCLK_GFXCLK\n");
+ return ret;
+ }
+ } else {
+ ret = smu_v11_0_get_clock_ranges(smu, &gfx_clk, PPCLK_GFXCLK, true);
+ if (ret) {
+ pr_err("[GetSclks]: fail to get max PPCLK_GFXCLK\n");
+ return ret;
+ }
+ }
+
+ return (gfx_clk * 100);
+}
+
+static uint32_t smu_v11_0_dpm_get_mclk(struct smu_context *smu, bool low)
+{
+ uint32_t mem_clk;
+ int ret;
+
+ if (!smu_feature_is_enabled(smu, FEATURE_DPM_UCLK_BIT)) {
+ pr_err("[GetMclks]: memclk dpm not enabled!\n");
+ return -EPERM;
+ }
+
+ if (low) {
+ ret = smu_v11_0_get_clock_ranges(smu, &mem_clk, PPCLK_UCLK, false);
+ if (ret) {
+ pr_err("[GetMclks]: fail to get min PPCLK_UCLK\n");
+ return ret;
+ }
+ } else {
+ ret = smu_v11_0_get_clock_ranges(smu, &mem_clk, PPCLK_GFXCLK, true);
+ if (ret) {
+ pr_err("[GetMclks]: fail to get max PPCLK_UCLK\n");
+ return ret;
+ }
+ }
+
+ return (mem_clk * 100);
+}
+
static int smu_v11_0_set_od8_default_settings(struct smu_context *smu)
{
struct smu_table_context *table_context = &smu->smu_table;
@@ -1658,6 +1740,8 @@ static const struct smu_funcs smu_v11_0_funcs = {
.set_deep_sleep_dcefclk = smu_v11_0_set_deep_sleep_dcefclk,
.display_clock_voltage_request = smu_v11_0_display_clock_voltage_request,
.set_watermarks_for_clock_ranges = smu_v11_0_set_watermarks_for_clock_ranges,
+ .get_sclk = smu_v11_0_dpm_get_sclk,
+ .get_mclk = smu_v11_0_dpm_get_mclk,
.set_od8_default_settings = smu_v11_0_set_od8_default_settings,
.get_activity_monitor_coeff = smu_v11_0_get_activity_monitor_coeff,
.set_activity_monitor_coeff = smu_v11_0_set_activity_monitor_coeff,
--
2.17.1
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