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drm/amd/pm: Use cached gpu metrics table

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If cached gpu metrics table is available, return it directly. Also,
deprecate gpu_metrics_table variables as they are no longer used.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar 2025-12-02 14:33:28 +05:30 committed by Alex Deucher
parent 618c144145
commit 34d6599748
2 changed files with 11 additions and 3 deletions
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11
drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
View File

@ -3659,6 +3659,9 @@ static int smu_get_dpm_clock_table(void *handle,
static ssize_t smu_sys_get_gpu_metrics(void *handle, void **table)
{
struct smu_context *smu = handle;
struct smu_table_context *smu_table = &smu->smu_table;
struct smu_driver_table *driver_tables = smu_table->driver_tables;
struct smu_driver_table *gpu_metrics_table;
if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
return -EOPNOTSUPP;
@ -3666,6 +3669,14 @@ static ssize_t smu_sys_get_gpu_metrics(void *handle, void **table)
if (!smu->ppt_funcs->get_gpu_metrics)
return -EOPNOTSUPP;
gpu_metrics_table = &driver_tables[SMU_DRIVER_TABLE_GPU_METRICS];
/* If cached table is valid, return it */
if (smu_driver_table_is_valid(gpu_metrics_table)) {
*table = gpu_metrics_table->cache.buffer;
return gpu_metrics_table->cache.size;
}
return smu->ppt_funcs->get_gpu_metrics(smu, table);
}

3
drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
View File

@ -414,9 +414,6 @@ struct smu_table_context {
void *boot_overdrive_table;
void *user_overdrive_table;
uint32_t gpu_metrics_table_size;
void *gpu_metrics_table;
struct smu_driver_table driver_tables[SMU_DRIVER_TABLE_COUNT];
};