For Arcturus, clock limit settings on uclk/socclk/fclk domains
are not supported.
V2: simplify the code to support both SGPU and MGPU cases
Change-Id: I1286289e3770f0421f0d22989437e26d3f7b2ec4
Signed-off-by: Evan Quan <evan.q...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 13 ++
drivers/gpu/drm/amd/powerplay/arcturus_ppt.c | 142 ++++---------------
2 files changed, 39 insertions(+), 116 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index 36f36b35000d..660efe009749 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -2881,6 +2881,19 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
DRM_ERROR("failed to create device file pp_dpm_sclk\n");
return ret;
}
+
+ /* Arcturus does not support standalone mclk/socclk/fclk level setting
*/
+ if (adev->asic_type == CHIP_ARCTURUS) {
+ dev_attr_pp_dpm_mclk.attr.mode &= ~S_IWUGO;
+ dev_attr_pp_dpm_mclk.store = NULL;
+
+ dev_attr_pp_dpm_socclk.attr.mode &= ~S_IWUGO;
+ dev_attr_pp_dpm_socclk.store = NULL;
+
+ dev_attr_pp_dpm_fclk.attr.mode &= ~S_IWUGO;
+ dev_attr_pp_dpm_fclk.store = NULL;
+ }
+
ret = device_create_file(adev->dev, &dev_attr_pp_dpm_mclk);
if (ret) {
DRM_ERROR("failed to create device file pp_dpm_mclk\n");
diff --git a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
index 9a5faac1ceea..1bcc5ab2873d 100644
--- a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
@@ -37,6 +37,7 @@
#include "smu_v11_0_pptable.h"
#include "arcturus_ppsmc.h"
#include "nbio/nbio_7_4_sh_mask.h"
+#include "amdgpu_xgmi.h"
#define CTF_OFFSET_EDGE 5
#define CTF_OFFSET_HOTSPOT 5
@@ -849,84 +850,13 @@ static int arcturus_force_clk_levels(struct smu_context
*smu,
break;
case SMU_MCLK:
- single_dpm_table = &(dpm_table->mem_table);
-
- if (soft_max_level >= single_dpm_table->count) {
- pr_err("Clock level specified %d is over max allowed
%d\n",
- soft_max_level, single_dpm_table->count
- 1);
- ret = -EINVAL;
- break;
- }
-
- single_dpm_table->dpm_state.soft_min_level =
- single_dpm_table->dpm_levels[soft_min_level].value;
- single_dpm_table->dpm_state.soft_max_level =
- single_dpm_table->dpm_levels[soft_max_level].value;
-
- ret = arcturus_upload_dpm_level(smu, false,
FEATURE_DPM_UCLK_MASK);
- if (ret) {
- pr_err("Failed to upload boot level to lowest!\n");
- break;
- }
-
- ret = arcturus_upload_dpm_level(smu, true,
FEATURE_DPM_UCLK_MASK);
- if (ret)
- pr_err("Failed to upload dpm max level to highest!\n");
-
- break;
-
case SMU_SOCCLK:
- single_dpm_table = &(dpm_table->soc_table);
-
- if (soft_max_level >= single_dpm_table->count) {
- pr_err("Clock level specified %d is over max allowed
%d\n",
- soft_max_level, single_dpm_table->count
- 1);
- ret = -EINVAL;
- break;
- }
-
- single_dpm_table->dpm_state.soft_min_level =
- single_dpm_table->dpm_levels[soft_min_level].value;
- single_dpm_table->dpm_state.soft_max_level =
- single_dpm_table->dpm_levels[soft_max_level].value;
-
- ret = arcturus_upload_dpm_level(smu, false,
FEATURE_DPM_SOCCLK_MASK);
- if (ret) {
- pr_err("Failed to upload boot level to lowest!\n");
- break;
- }
-
- ret = arcturus_upload_dpm_level(smu, true,
FEATURE_DPM_SOCCLK_MASK);
- if (ret)
- pr_err("Failed to upload dpm max level to highest!\n");
-
- break;
-
case SMU_FCLK:
- single_dpm_table = &(dpm_table->fclk_table);
-
- if (soft_max_level >= single_dpm_table->count) {
- pr_err("Clock level specified %d is over max allowed
%d\n",
- soft_max_level, single_dpm_table->count
- 1);
- ret = -EINVAL;
- break;
- }
-
- single_dpm_table->dpm_state.soft_min_level =
- single_dpm_table->dpm_levels[soft_min_level].value;
- single_dpm_table->dpm_state.soft_max_level =
- single_dpm_table->dpm_levels[soft_max_level].value;
-
- ret = arcturus_upload_dpm_level(smu, false,
FEATURE_DPM_FCLK_MASK);
- if (ret) {
- pr_err("Failed to upload boot level to lowest!\n");
- break;
- }
-
- ret = arcturus_upload_dpm_level(smu, true,
FEATURE_DPM_FCLK_MASK);
- if (ret)
- pr_err("Failed to upload dpm max level to highest!\n");
-
+ /*
+ * Should not arrive here since Arcturus does not
+ * support mclk/socclk/fclk softmin/softmax settings
+ */
+ ret = -EINVAL;
break;
default:
@@ -1242,6 +1172,7 @@ static int arcturus_force_dpm_limit_value(struct
smu_context *smu, bool highest)
{
struct arcturus_dpm_table *dpm_table =
(struct arcturus_dpm_table *)smu->smu_dpm.dpm_context;
+ struct amdgpu_hive_info *hive = amdgpu_get_xgmi_hive(smu->adev, 0);
uint32_t soft_level;
int ret = 0;
@@ -1255,40 +1186,27 @@ static int arcturus_force_dpm_limit_value(struct
smu_context *smu, bool highest)
dpm_table->gfx_table.dpm_state.soft_max_level =
dpm_table->gfx_table.dpm_levels[soft_level].value;
- /* uclk */
- if (highest)
- soft_level =
arcturus_find_highest_dpm_level(&(dpm_table->mem_table));
- else
- soft_level =
arcturus_find_lowest_dpm_level(&(dpm_table->mem_table));
-
- dpm_table->mem_table.dpm_state.soft_min_level =
- dpm_table->mem_table.dpm_state.soft_max_level =
- dpm_table->mem_table.dpm_levels[soft_level].value;
-
- /* socclk */
- if (highest)
- soft_level =
arcturus_find_highest_dpm_level(&(dpm_table->soc_table));
- else
- soft_level =
arcturus_find_lowest_dpm_level(&(dpm_table->soc_table));
-
- dpm_table->soc_table.dpm_state.soft_min_level =
- dpm_table->soc_table.dpm_state.soft_max_level =
- dpm_table->soc_table.dpm_levels[soft_level].value;
-
- ret = arcturus_upload_dpm_level(smu, false, 0xFFFFFFFF);
+ ret = arcturus_upload_dpm_level(smu, false, FEATURE_DPM_GFXCLK_MASK);
if (ret) {
pr_err("Failed to upload boot level to %s!\n",
highest ? "highest" : "lowest");
return ret;
}
- ret = arcturus_upload_dpm_level(smu, true, 0xFFFFFFFF);
+ ret = arcturus_upload_dpm_level(smu, true, FEATURE_DPM_GFXCLK_MASK);
if (ret) {
pr_err("Failed to upload dpm max level to %s!\n!",
highest ? "highest" : "lowest");
return ret;
}
+ if (hive)
+ /*
+ * Force XGMI Pstate to highest or lowest
+ * TODO: revise this when xgmi dpm is functional
+ */
+ ret = smu_v11_0_set_xgmi_pstate(smu, highest ? 1 : 0);
+
return ret;
}
@@ -1296,6 +1214,7 @@ static int arcturus_unforce_dpm_levels(struct smu_context
*smu)
{
struct arcturus_dpm_table *dpm_table =
(struct arcturus_dpm_table *)smu->smu_dpm.dpm_context;
+ struct amdgpu_hive_info *hive = amdgpu_get_xgmi_hive(smu->adev, 0);
uint32_t soft_min_level, soft_max_level;
int ret = 0;
@@ -1307,34 +1226,25 @@ static int arcturus_unforce_dpm_levels(struct
smu_context *smu)
dpm_table->gfx_table.dpm_state.soft_max_level =
dpm_table->gfx_table.dpm_levels[soft_max_level].value;
- /* uclk */
- soft_min_level =
arcturus_find_lowest_dpm_level(&(dpm_table->mem_table));
- soft_max_level =
arcturus_find_highest_dpm_level(&(dpm_table->mem_table));
- dpm_table->mem_table.dpm_state.soft_min_level =
- dpm_table->gfx_table.dpm_levels[soft_min_level].value;
- dpm_table->mem_table.dpm_state.soft_max_level =
- dpm_table->gfx_table.dpm_levels[soft_max_level].value;
-
- /* socclk */
- soft_min_level =
arcturus_find_lowest_dpm_level(&(dpm_table->soc_table));
- soft_max_level =
arcturus_find_highest_dpm_level(&(dpm_table->soc_table));
- dpm_table->soc_table.dpm_state.soft_min_level =
- dpm_table->soc_table.dpm_levels[soft_min_level].value;
- dpm_table->soc_table.dpm_state.soft_max_level =
- dpm_table->soc_table.dpm_levels[soft_max_level].value;
-
- ret = arcturus_upload_dpm_level(smu, false, 0xFFFFFFFF);
+ ret = arcturus_upload_dpm_level(smu, false, FEATURE_DPM_GFXCLK_MASK);
if (ret) {
pr_err("Failed to upload DPM Bootup Levels!");
return ret;
}
- ret = arcturus_upload_dpm_level(smu, true, 0xFFFFFFFF);
+ ret = arcturus_upload_dpm_level(smu, true, FEATURE_DPM_GFXCLK_MASK);
if (ret) {
pr_err("Failed to upload DPM Max Levels!");
return ret;
}
+ if (hive)
+ /*
+ * Reset XGMI Pstate back to default
+ * TODO: revise this when xgmi dpm is functional
+ */
+ ret = smu_v11_0_set_xgmi_pstate(smu, 0);
+
return ret;
}
--
2.23.0
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